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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1186 | savelij | 1 | /* codeh8_3.c */ |
| 2 | /*****************************************************************************/ |
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| 3 | /* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only */ |
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| 4 | /* */ |
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| 5 | /* AS-Portierung */ |
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| 6 | /* */ |
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| 7 | /* Codegenerator H8/300(L/H) */ |
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| 8 | /* */ |
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| 9 | /*****************************************************************************/ |
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| 10 | |||
| 11 | #include "stdinc.h" |
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| 12 | #include <string.h> |
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| 13 | #include <ctype.h> |
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| 14 | |||
| 15 | #include "nls.h" |
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| 16 | #include "bpemu.h" |
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| 17 | #include "strutil.h" |
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| 18 | #include "asmdef.h" |
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| 19 | #include "asmsub.h" |
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| 20 | #include "asmpars.h" |
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| 21 | #include "asmallg.h" |
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| 22 | #include "onoff_common.h" |
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| 23 | #include "asmstructs.h" |
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| 24 | #include "asmitree.h" |
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| 25 | #include "codepseudo.h" |
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| 26 | #include "motpseudo.h" |
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| 27 | #include "codevars.h" |
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| 28 | #include "errmsg.h" |
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| 29 | |||
| 30 | #include "codeh8_3.h" |
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| 31 | |||
| 32 | #define ModNone (-1) |
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| 33 | #define ModReg 0 |
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| 34 | #define MModReg (1 << ModReg) |
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| 35 | #define ModImm 1 |
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| 36 | #define MModImm (1 << ModImm) |
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| 37 | #define ModAbs8 2 |
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| 38 | #define MModAbs8 (1 << ModAbs8) |
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| 39 | #define ModAbs16 3 |
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| 40 | #define MModAbs16 (1 << ModAbs16) |
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| 41 | #define ModAbs24 4 |
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| 42 | #define MModAbs24 (1 << ModAbs24) |
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| 43 | #define MModAbs (MModAbs8 | MModAbs16 | MModAbs24) |
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| 44 | #define ModIReg 5 |
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| 45 | #define MModIReg (1 << ModIReg) |
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| 46 | #define ModPreDec 6 |
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| 47 | #define MModPreDec (1 << ModPreDec) |
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| 48 | #define ModPostInc 7 |
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| 49 | #define MModPostInc (1 << ModPostInc) |
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| 50 | #define ModInd16 8 |
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| 51 | #define MModInd16 (1 << ModInd16) |
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| 52 | #define ModInd24 9 |
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| 53 | #define MModInd24 (1 << ModInd24) |
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| 54 | #define ModIIAbs 10 |
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| 55 | #define MModIIAbs (1 << ModIIAbs) |
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| 56 | #define MModInd (MModInd16 | MModInd24) |
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| 57 | |||
| 58 | /* keep in the same order as in registration */ |
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| 59 | |||
| 60 | #define M_CPUH8_300L (1 << 0) |
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| 61 | #define M_CPU6413308 (1 << 1) |
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| 62 | #define M_CPUH8_300 (1 << 2) |
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| 63 | #define M_CPU6413309 (1 << 3) |
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| 64 | #define M_CPUH8_300H (1 << 4) |
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| 65 | |||
| 66 | #define REG_SP 7 |
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| 67 | |||
| 68 | static tSymbolSize OpSize, MomSize; |
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| 69 | static ShortInt AdrMode; /* Ergebnisadressmodus */ |
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| 70 | static Byte AdrPart; /* Adressierungsmodusbits im Opcode */ |
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| 71 | static Word AdrVals[6]; /* Adressargument */ |
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| 72 | |||
| 73 | static CPUVar CPUH8_300L; |
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| 74 | static CPUVar CPU6413308,CPUH8_300; |
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| 75 | static CPUVar CPU6413309,CPUH8_300H; |
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| 76 | static Boolean CPU16; /* keine 32-Bit-Register */ |
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| 77 | |||
| 78 | /*-------------------------------------------------------------------------*/ |
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| 79 | /* Adressparsing */ |
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| 80 | |||
| 81 | static void SetOpSize(tSymbolSize Size) |
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| 82 | { |
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| 83 | if (OpSize == eSymbolSizeUnknown) |
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| 84 | OpSize = Size; |
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| 85 | else if (Size != OpSize) |
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| 86 | { |
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| 87 | WrError(ErrNum_ConfOpSizes); |
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| 88 | AdrMode = ModNone; |
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| 89 | AdrCnt = 0; |
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| 90 | } |
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| 91 | } |
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| 92 | |||
| 93 | static Boolean IsNum(char Inp, Byte *Erg) |
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| 94 | { |
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| 95 | if ((Inp < '0') || (Inp > '7')) |
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| 96 | return False; |
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| 97 | else |
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| 98 | { |
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| 99 | *Erg = Inp - AscOfs; |
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| 100 | return True; |
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| 101 | } |
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| 102 | } |
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| 103 | |||
| 104 | /*!------------------------------------------------------------------------ |
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| 105 | * \fn DecodeRegCore(char *pArg, Byte *pResult, tSymbolSize *pSize) |
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| 106 | * \brief check whether argument is a CPU register |
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| 107 | * \param pArg source argument |
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| 108 | * \param pResult register # if yes |
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| 109 | * \param pSize register size if yes |
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| 110 | * \return True if it is a register |
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| 111 | * ------------------------------------------------------------------------ */ |
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| 112 | |||
| 113 | static Boolean DecodeRegCore(char *pArg, Byte *pResult, tSymbolSize *pSize) |
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| 114 | { |
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| 115 | if (!as_strcasecmp(pArg, "SP")) |
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| 116 | { |
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| 117 | *pResult = REG_SP | REGSYM_FLAG_ALIAS; |
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| 118 | *pSize = MaxMode ? eSymbolSize32Bit : eSymbolSize16Bit; |
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| 119 | return True; |
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| 120 | } |
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| 121 | |||
| 122 | switch (strlen(pArg)) |
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| 123 | { |
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| 124 | case 2: |
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| 125 | if (IsNum(pArg[1], pResult)) |
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| 126 | { |
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| 127 | if (as_toupper(*pArg) == 'R') |
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| 128 | { |
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| 129 | *pSize = eSymbolSize16Bit; |
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| 130 | return True; |
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| 131 | } |
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| 132 | else if (as_toupper(*pArg) == 'E') |
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| 133 | { |
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| 134 | *pResult += 8; |
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| 135 | *pSize = eSymbolSize16Bit; |
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| 136 | return True; |
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| 137 | } |
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| 138 | } |
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| 139 | break; |
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| 140 | case 3: |
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| 141 | if ((as_toupper(*pArg) == 'R') && IsNum(pArg[1], pResult)) |
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| 142 | { |
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| 143 | if (as_toupper(pArg[2]) == 'L') |
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| 144 | { |
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| 145 | *pResult += 8; |
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| 146 | *pSize = eSymbolSize8Bit; |
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| 147 | return True; |
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| 148 | } |
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| 149 | else if (as_toupper(pArg[2]) == 'H') |
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| 150 | { |
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| 151 | *pSize = eSymbolSize8Bit; |
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| 152 | return True; |
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| 153 | } |
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| 154 | } |
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| 155 | else if ((as_toupper(*pArg) == 'E') && (as_toupper(pArg[1]) == 'R') && IsNum(pArg[2], pResult)) |
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| 156 | { |
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| 157 | *pSize = eSymbolSize32Bit; |
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| 158 | return True; |
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| 159 | } |
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| 160 | } |
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| 161 | |||
| 162 | *pSize = eSymbolSizeUnknown; |
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| 163 | return False; |
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| 164 | } |
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| 165 | |||
| 166 | /*!------------------------------------------------------------------------ |
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| 167 | * \fn DissectReg_H8_3(char *pDest, size_t DestSize, tRegInt Value, tSymbolSize InpSize) |
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| 168 | * \brief dissect register symbols - C16x variant |
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| 169 | * \param pDest destination buffer |
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| 170 | * \param DestSize destination buffer size |
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| 171 | * \param Value numeric register value |
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| 172 | * \param InpSize register size |
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| 173 | * ------------------------------------------------------------------------ */ |
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| 174 | |||
| 175 | static void DissectReg_H8_3(char *pDest, size_t DestSize, tRegInt Value, tSymbolSize InpSize) |
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| 176 | { |
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| 177 | switch (InpSize) |
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| 178 | { |
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| 179 | case eSymbolSize8Bit: |
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| 180 | as_snprintf(pDest, DestSize, "R%u%c", (unsigned)(Value & 7), "HL"[(Value >> 3) & 1]); |
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| 181 | break; |
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| 182 | case eSymbolSize16Bit: |
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| 183 | if (Value == (REG_SP | REGSYM_FLAG_ALIAS)) |
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| 184 | as_snprintf(pDest, DestSize, "SP"); |
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| 185 | else |
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| 186 | as_snprintf(pDest, DestSize, "%c%u", "RE"[(Value >> 3) & 1], (unsigned)(Value & 7)); |
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| 187 | break; |
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| 188 | case eSymbolSize32Bit: |
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| 189 | if (Value == (REG_SP | REGSYM_FLAG_ALIAS)) |
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| 190 | as_snprintf(pDest, DestSize, "SP"); |
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| 191 | else |
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| 192 | as_snprintf(pDest, DestSize, "ER%u", (unsigned)Value); |
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| 193 | break; |
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| 194 | default: |
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| 195 | as_snprintf(pDest, DestSize, "%d-%u", (int)InpSize, (unsigned)Value); |
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| 196 | } |
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| 197 | } |
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| 198 | |||
| 199 | /*!------------------------------------------------------------------------ |
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| 200 | * \fn DecodeReg(const tStrComp *pArg, Byte *pResult, tSymbolSize ReqSize, tSymbolSize *pSize) |
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| 201 | * \brief check whether argument is a CPU register or register alias |
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| 202 | * \param pArg source argument |
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| 203 | * \param pResult register # if yes |
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| 204 | * \param SizeMask requested register size(s) |
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| 205 | * \param pSize register size if yes |
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| 206 | * \return reg eval result |
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| 207 | * ------------------------------------------------------------------------ */ |
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| 208 | |||
| 209 | static tRegEvalResult DecodeReg(const tStrComp *pArg, Byte *pResult, unsigned SizeMask, tSymbolSize *pSize, Boolean MustBeReg) |
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| 210 | { |
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| 211 | tRegDescr RegDescr; |
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| 212 | tEvalResult EvalResult; |
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| 213 | tRegEvalResult RegEvalResult; |
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| 214 | |||
| 215 | if (DecodeRegCore(pArg->str.p_str, pResult, pSize)) |
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| 216 | { |
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| 217 | RegEvalResult = eIsReg; |
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| 218 | *pResult &= ~REGSYM_FLAG_ALIAS; |
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| 219 | } |
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| 220 | else |
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| 221 | { |
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| 222 | RegEvalResult = EvalStrRegExpressionAsOperand(pArg, &RegDescr, &EvalResult, eSymbolSizeUnknown, MustBeReg); |
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| 223 | *pSize = EvalResult.DataSize; |
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| 224 | *pResult = RegDescr.Reg & ~REGSYM_FLAG_ALIAS; |
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| 225 | } |
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| 226 | |||
| 227 | if ((RegEvalResult == eIsReg) |
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| 228 | && !((SizeMask >> *pSize) & 1)) |
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| 229 | { |
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| 230 | WrStrErrorPos(ErrNum_InvOpSize, pArg); |
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| 231 | return MustBeReg ? eIsNoReg : eRegAbort; |
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| 232 | } |
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| 233 | |||
| 234 | return RegEvalResult; |
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| 235 | } |
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| 236 | |||
| 237 | static void CutSize(tStrComp *pArg) |
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| 238 | { |
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| 239 | int ArgLen = strlen(pArg->str.p_str); |
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| 240 | |||
| 241 | if ((ArgLen >= 2) && !strcmp(pArg->str.p_str + ArgLen - 2, ":8")) |
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| 242 | { |
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| 243 | StrCompShorten(pArg, 2); |
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| 244 | MomSize = eSymbolSize8Bit; |
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| 245 | } |
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| 246 | else if ((ArgLen >= 3) && !strcmp(pArg->str.p_str + ArgLen - 3, ":16")) |
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| 247 | { |
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| 248 | StrCompShorten(pArg, 3); |
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| 249 | MomSize = eSymbolSize16Bit; |
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| 250 | } |
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| 251 | else if ((ArgLen >= 3) && !strcmp(pArg->str.p_str + ArgLen - 3, ":24")) |
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| 252 | { |
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| 253 | StrCompShorten(pArg, 3); |
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| 254 | MomSize = eSymbolSize24Bit; |
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| 255 | } |
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| 256 | } |
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| 257 | |||
| 258 | static Boolean ChkCPU32(tErrorNum ErrorNum) |
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| 259 | { |
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| 260 | return ChkMinCPUExt(CPU6413309, ErrorNum); |
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| 261 | } |
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| 262 | |||
| 263 | static Byte DecodeBaseReg(const tStrComp *pArg, Byte *Erg, Boolean MustBeReg) |
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| 264 | { |
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| 265 | tSymbolSize HSize; |
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| 266 | Word Mask; |
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| 267 | |||
| 268 | switch (DecodeReg(pArg, Erg, (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), &HSize, MustBeReg)) |
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| 269 | { |
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| 270 | case eIsNoReg: |
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| 271 | return 0; |
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| 272 | case eRegAbort: |
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| 273 | return 1; |
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| 274 | default: |
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| 275 | break; |
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| 276 | } |
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| 277 | if ((HSize == eSymbolSize16Bit) && (*Erg > 7)) |
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| 278 | { |
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| 279 | WrStrErrorPos(ErrNum_InvReg, pArg); |
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| 280 | return 1; |
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| 281 | } |
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| 282 | Mask = (HSize == eSymbolSize16Bit) ? (M_CPUH8_300L | M_CPU6413308 | M_CPUH8_300) : (M_CPU6413309 | M_CPUH8_300H); |
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| 283 | if (ChkExactCPUMaskExt(Mask, CPUH8_300L, ErrNum_AddrModeNotSupported) < 0) |
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| 284 | return 1; |
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| 285 | return 2; |
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| 286 | } |
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| 287 | |||
| 288 | static Boolean Is8(LongInt Address) |
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| 289 | { |
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| 290 | if (CPU16) |
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| 291 | return (((Address >> 8) & 0xff) == 0xff); |
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| 292 | else |
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| 293 | return (((Address >> 8) & 0xffff) == 0xffff); |
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| 294 | } |
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| 295 | |||
| 296 | static Boolean Is16(LongInt Address) |
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| 297 | { |
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| 298 | return (CPU16) ? (True) : (((Address >= 0) && (Address <= 0x7fff)) || ((Address >= 0xff8000) && (Address <= 0xffffff))); |
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| 299 | } |
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| 300 | |||
| 301 | static void DecideVAbsolute(LongInt Address, Word Mask) |
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| 302 | { |
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| 303 | /* bei Automatik Operandengroesse festlegen */ |
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| 304 | |||
| 305 | if (MomSize == eSymbolSizeUnknown) |
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| 306 | { |
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| 307 | if (Is8(Address)) |
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| 308 | MomSize = eSymbolSize8Bit; |
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| 309 | else if (Is16(Address)) |
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| 310 | MomSize = eSymbolSize16Bit; |
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| 311 | else |
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| 312 | MomSize = eSymbolSize24Bit; |
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| 313 | } |
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| 314 | |||
| 315 | /* wenn nicht vorhanden, eins rauf */ |
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| 316 | |||
| 317 | if ((MomSize == eSymbolSize8Bit) && ((Mask & MModAbs8) == 0)) |
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| 318 | MomSize = eSymbolSize16Bit; |
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| 319 | if ((MomSize == eSymbolSize16Bit) && ((Mask & MModAbs16) == 0)) |
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| 320 | MomSize = eSymbolSize24Bit; |
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| 321 | |||
| 322 | /* entsprechend Modus Bytes ablegen */ |
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| 323 | |||
| 324 | switch (MomSize) |
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| 325 | { |
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| 326 | case eSymbolSize8Bit: |
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| 327 | if (!Is8(Address)) WrError(ErrNum_AdrOverflow); |
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| 328 | else |
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| 329 | { |
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| 330 | AdrCnt = 2; |
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| 331 | AdrVals[0] = Address & 0xff; |
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| 332 | AdrMode = ModAbs8; |
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| 333 | } |
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| 334 | break; |
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| 335 | case eSymbolSize16Bit: |
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| 336 | if (!Is16(Address)) WrError(ErrNum_AdrOverflow); |
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| 337 | else |
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| 338 | { |
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| 339 | AdrCnt = 2; |
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| 340 | AdrVals[0] = Address & 0xffff; |
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| 341 | AdrMode = ModAbs16; |
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| 342 | } |
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| 343 | break; |
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| 344 | case eSymbolSize24Bit: |
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| 345 | AdrCnt = 4; |
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| 346 | AdrVals[1] = Address & 0xffff; |
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| 347 | AdrVals[0] = Lo(Address >> 16); |
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| 348 | AdrMode = ModAbs24; |
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| 349 | break; |
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| 350 | default: |
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| 351 | WrError(ErrNum_InternalError); |
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| 352 | } |
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| 353 | } |
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| 354 | |||
| 355 | static void DecideAbsolute(const tStrComp *pArg, Word Mask) |
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| 356 | { |
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| 357 | LongInt Addr; |
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| 358 | Boolean OK; |
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| 359 | |||
| 360 | Addr = EvalStrIntExpression(pArg, Int32, &OK); |
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| 361 | if (OK) |
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| 362 | DecideVAbsolute(Addr, Mask); |
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| 363 | } |
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| 364 | |||
| 365 | |||
| 366 | static void DecodeAdr(tStrComp *pArg, Word Mask) |
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| 367 | { |
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| 368 | tSymbolSize HSize; |
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| 369 | Byte HReg; |
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| 370 | LongInt HLong; |
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| 371 | Boolean OK; |
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| 372 | char *p; |
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| 373 | LongInt DispAcc; |
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| 374 | int ArgLen; |
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| 375 | |||
| 376 | AdrMode = ModNone; |
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| 377 | AdrCnt = 0; |
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| 378 | MomSize = eSymbolSizeUnknown; |
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| 379 | |||
| 380 | /* immediate ? */ |
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| 381 | |||
| 382 | if (*pArg->str.p_str == '#') |
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| 383 | { |
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| 384 | switch (OpSize) |
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| 385 | { |
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| 386 | case eSymbolSizeUnknown: |
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| 387 | WrError(ErrNum_UndefOpSizes); |
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| 388 | break; |
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| 389 | case eSymbolSize8Bit: |
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| 390 | HReg = EvalStrIntExpressionOffs(pArg, 1, Int8, &OK); |
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| 391 | if (OK) |
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| 392 | { |
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| 393 | AdrCnt = 2; |
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| 394 | AdrVals[0] = HReg; |
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| 395 | AdrMode = ModImm; |
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| 396 | } |
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| 397 | break; |
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| 398 | case eSymbolSize16Bit: |
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| 399 | AdrVals[0] = EvalStrIntExpressionOffs(pArg, 1, Int16, &OK); |
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| 400 | if (OK) |
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| 401 | { |
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| 402 | AdrCnt = 2; |
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| 403 | AdrMode = ModImm; |
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| 404 | } |
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| 405 | break; |
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| 406 | case eSymbolSize32Bit: |
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| 407 | HLong = EvalStrIntExpressionOffs(pArg, 1, Int32, &OK); |
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| 408 | if (OK) |
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| 409 | { |
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| 410 | AdrCnt = 4; |
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| 411 | AdrVals[0] = HLong >> 16; |
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| 412 | AdrVals[1] = HLong & 0xffff; |
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| 413 | AdrMode = ModImm; |
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| 414 | } |
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| 415 | break; |
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| 416 | default: |
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| 417 | WrError(ErrNum_InvOpSize); |
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| 418 | } |
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| 419 | goto chk; |
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| 420 | } |
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| 421 | |||
| 422 | /* Register ? */ |
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| 423 | |||
| 424 | switch (DecodeReg(pArg, &HReg, (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), &HSize, False)) |
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| 425 | { |
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| 426 | case eIsReg: |
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| 427 | AdrMode = ModReg; |
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| 428 | AdrPart = HReg; |
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| 429 | SetOpSize(HSize); |
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| 430 | goto chk; |
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| 431 | case eRegAbort: |
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| 432 | return; |
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| 433 | case eIsNoReg: |
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| 434 | break; |
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| 435 | } |
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| 436 | |||
| 437 | /* indirekt ? */ |
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| 438 | |||
| 439 | if (*pArg->str.p_str == '@') |
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| 440 | { |
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| 441 | tStrComp Arg; |
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| 442 | |||
| 443 | StrCompRefRight(&Arg, pArg, 1); |
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| 444 | |||
| 445 | if (*Arg.str.p_str == '@') |
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| 446 | { |
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| 447 | AdrVals[0] = EvalStrIntExpressionOffs(&Arg, 1, UInt8, &OK) & 0xff; |
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| 448 | if (OK) |
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| 449 | { |
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| 450 | AdrCnt = 1; |
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| 451 | AdrMode = ModIIAbs; |
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| 452 | } |
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| 453 | goto chk; |
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| 454 | } |
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| 455 | |||
| 456 | switch (DecodeBaseReg(&Arg, &AdrPart, False)) |
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| 457 | { |
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| 458 | case 1: |
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| 459 | goto chk; |
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| 460 | case 2: |
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| 461 | AdrMode = ModIReg; |
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| 462 | goto chk; |
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| 463 | } |
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| 464 | |||
| 465 | if (*Arg.str.p_str == '-') |
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| 466 | { |
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| 467 | tStrComp Reg; |
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| 468 | |||
| 469 | StrCompRefRight(&Reg, &Arg, 1); |
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| 470 | switch (DecodeBaseReg(&Reg, &AdrPart, True)) |
||
| 471 | { |
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| 472 | case 1: |
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| 473 | goto chk; |
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| 474 | case 2: |
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| 475 | AdrMode = ModPreDec; |
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| 476 | goto chk; |
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| 477 | } |
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| 478 | } |
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| 479 | |||
| 480 | ArgLen = strlen(Arg.str.p_str); |
||
| 481 | if (*Arg.str.p_str && (Arg.str.p_str[ArgLen - 1] == '+')) |
||
| 482 | { |
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| 483 | StrCompShorten(&Arg, 1); |
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| 484 | switch (DecodeBaseReg(&Arg, &AdrPart, True)) |
||
| 485 | { |
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| 486 | case 1: |
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| 487 | goto chk; |
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| 488 | case 2: |
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| 489 | AdrMode = ModPostInc; |
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| 490 | goto chk; |
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| 491 | } |
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| 492 | Arg.str.p_str[ArgLen - 1] = '+'; Arg.Pos.Len++; |
||
| 493 | } |
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| 494 | |||
| 495 | if (IsIndirect(Arg.str.p_str)) |
||
| 496 | { |
||
| 497 | tStrComp Part, Remainder; |
||
| 498 | |||
| 499 | StrCompRefRight(&Part, &Arg, 1); |
||
| 500 | StrCompShorten(&Part, 1); |
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| 501 | |||
| 502 | AdrPart = 0xff; |
||
| 503 | DispAcc = 0; |
||
| 504 | do |
||
| 505 | { |
||
| 506 | p = QuotPos(Part.str.p_str, ','); |
||
| 507 | if (p) |
||
| 508 | StrCompSplitRef(&Part, &Remainder, &Part, p); |
||
| 509 | switch (DecodeBaseReg(&Part, &HReg, False)) |
||
| 510 | { |
||
| 511 | case 2: |
||
| 512 | if (AdrPart != 0xff) |
||
| 513 | { |
||
| 514 | WrError(ErrNum_InvAddrMode); |
||
| 515 | goto chk; |
||
| 516 | } |
||
| 517 | else |
||
| 518 | AdrPart = HReg; |
||
| 519 | break; |
||
| 520 | case 1: |
||
| 521 | goto chk; |
||
| 522 | case 0: |
||
| 523 | CutSize(&Part); |
||
| 524 | DispAcc += EvalStrIntExpression(&Part, Int32, &OK); |
||
| 525 | if (!OK) |
||
| 526 | { |
||
| 527 | goto chk; |
||
| 528 | } |
||
| 529 | break; |
||
| 530 | } |
||
| 531 | if (p) |
||
| 532 | Part = Remainder; |
||
| 533 | } |
||
| 534 | while (p); |
||
| 535 | |||
| 536 | if (AdrPart == 0xff) |
||
| 537 | DecideVAbsolute(DispAcc, Mask); |
||
| 538 | else |
||
| 539 | { |
||
| 540 | if ((CPU16) && ((DispAcc & 0xffff8000) == 0x8000)) |
||
| 541 | DispAcc += 0xffff0000; |
||
| 542 | if (MomSize == eSymbolSizeUnknown) |
||
| 543 | MomSize = ((DispAcc >= -32768) && (DispAcc <= 32767)) ? eSymbolSize16Bit : eSymbolSize24Bit; |
||
| 544 | switch (MomSize) |
||
| 545 | { |
||
| 546 | case eSymbolSize8Bit: |
||
| 547 | WrError(ErrNum_InvOpSize); |
||
| 548 | break; |
||
| 549 | case eSymbolSize16Bit: |
||
| 550 | if (ChkRange(DispAcc, -32768, 32767)) |
||
| 551 | { |
||
| 552 | AdrCnt = 2; |
||
| 553 | AdrVals[0] = DispAcc & 0xffff; |
||
| 554 | AdrMode = ModInd16; |
||
| 555 | } |
||
| 556 | break; |
||
| 557 | case eSymbolSize24Bit: |
||
| 558 | AdrVals[1] = DispAcc & 0xffff; |
||
| 559 | AdrVals[0] = Lo(DispAcc >> 16); |
||
| 560 | AdrCnt = 4; |
||
| 561 | AdrMode = ModInd24; |
||
| 562 | break; |
||
| 563 | default: |
||
| 564 | WrError(ErrNum_InternalError); |
||
| 565 | } |
||
| 566 | } |
||
| 567 | } |
||
| 568 | else |
||
| 569 | { |
||
| 570 | CutSize(&Arg); |
||
| 571 | DecideAbsolute(&Arg, Mask); |
||
| 572 | } |
||
| 573 | goto chk; |
||
| 574 | } |
||
| 575 | |||
| 576 | CutSize(pArg); |
||
| 577 | DecideAbsolute(pArg, Mask); |
||
| 578 | |||
| 579 | chk: |
||
| 580 | if (((AdrMode == ModReg) && (OpSize == eSymbolSize32Bit)) |
||
| 581 | || ((AdrMode == ModReg) && (OpSize == eSymbolSize16Bit) && (AdrPart > 7)) |
||
| 582 | || (AdrMode == ModAbs24) |
||
| 583 | || (AdrMode == ModInd24)) |
||
| 584 | { |
||
| 585 | if (!ChkMinCPUExt(CPU6413309, ErrNum_AddrModeNotSupported)) |
||
| 586 | { |
||
| 587 | AdrMode = ModNone; |
||
| 588 | AdrCnt = 0; |
||
| 589 | } |
||
| 590 | } |
||
| 591 | if ((AdrMode != ModNone) && ((Mask & (1 << AdrMode)) == 0)) |
||
| 592 | { |
||
| 593 | WrError(ErrNum_InvAddrMode); |
||
| 594 | AdrMode = ModNone; |
||
| 595 | AdrCnt = 0; |
||
| 596 | } |
||
| 597 | } |
||
| 598 | |||
| 599 | static LongInt ImmVal(void) |
||
| 600 | { |
||
| 601 | switch (OpSize) |
||
| 602 | { |
||
| 603 | case eSymbolSize8Bit: |
||
| 604 | return Lo(AdrVals[0]); |
||
| 605 | case eSymbolSize16Bit: |
||
| 606 | return AdrVals[0]; |
||
| 607 | case eSymbolSize32Bit: |
||
| 608 | return (((LongInt)AdrVals[0]) << 16) + AdrVals[1]; |
||
| 609 | default: |
||
| 610 | WrError(ErrNum_InternalError); |
||
| 611 | return 0; |
||
| 612 | } |
||
| 613 | } |
||
| 614 | |||
| 615 | /*--------------------------------------------------------------------------*/ |
||
| 616 | /* Bit Symbol Handling */ |
||
| 617 | |||
| 618 | /* |
||
| 619 | * Compact representation of bits in symbol table: |
||
| 620 | * Bits 10...3: Absolute address (8-bit value for range $FFxx or $FFFFxx) |
||
| 621 | * Bits 0..2: Bit position |
||
| 622 | */ |
||
| 623 | |||
| 624 | /*!------------------------------------------------------------------------ |
||
| 625 | * \fn EvalBitPosition(const tStrComp *pArg, Boolean *pOK) |
||
| 626 | * \brief evaluate bit position |
||
| 627 | * \param bit position argument (with or without #) |
||
| 628 | * \param pOK parsing OK? |
||
| 629 | * \return numeric bit position |
||
| 630 | * ------------------------------------------------------------------------ */ |
||
| 631 | |||
| 632 | static LongWord EvalBitPosition(const tStrComp *pArg, Boolean *pOK) |
||
| 633 | { |
||
| 634 | return EvalStrIntExpressionOffs(pArg, !!(*pArg->str.p_str == '#'), UInt3, pOK); |
||
| 635 | } |
||
| 636 | |||
| 637 | /*!------------------------------------------------------------------------ |
||
| 638 | * \fn AssembleBitSymbol(Byte BitPos, LongWord Address) |
||
| 639 | * \brief build the compact internal representation of a bit symbol |
||
| 640 | * \param BitPos bit position in byte |
||
| 641 | * \param Address register address |
||
| 642 | * \return compact representation |
||
| 643 | * ------------------------------------------------------------------------ */ |
||
| 644 | |||
| 645 | static LongWord AssembleBitSymbol(Byte BitPos, Word Address) |
||
| 646 | { |
||
| 647 | return |
||
| 648 | (Address << 3) |
||
| 649 | | (BitPos << 0); |
||
| 650 | } |
||
| 651 | |||
| 652 | /*!------------------------------------------------------------------------ |
||
| 653 | * \fn DecodeBitArg2(LongWord *pResult, const tStrComp *pBitArg, tStrComp *pRegArg) |
||
| 654 | * \brief encode a bit symbol, address & bit position separated |
||
| 655 | * \param pResult resulting encoded bit |
||
| 656 | * \param pRegArg register argument |
||
| 657 | * \param pBitArg bit argument |
||
| 658 | * \return True if success |
||
| 659 | * ------------------------------------------------------------------------ */ |
||
| 660 | |||
| 661 | static Boolean DecodeBitArg2(LongWord *pResult, const tStrComp *pBitArg, tStrComp *pRegArg) |
||
| 662 | { |
||
| 663 | Boolean OK; |
||
| 664 | LongWord BitPos; |
||
| 665 | |||
| 666 | BitPos = EvalBitPosition(pBitArg, &OK); |
||
| 667 | if (!OK) |
||
| 668 | return False; |
||
| 669 | |||
| 670 | DecideAbsolute(pRegArg, MModAbs8); |
||
| 671 | if (AdrMode != ModAbs8) |
||
| 672 | return False; |
||
| 673 | |||
| 674 | *pResult = AssembleBitSymbol(BitPos, AdrVals[0]); |
||
| 675 | return True; |
||
| 676 | } |
||
| 677 | |||
| 678 | /*!------------------------------------------------------------------------ |
||
| 679 | * \fn DecodeBitArg(LongWord *pResult, int Start, int Stop) |
||
| 680 | * \brief encode a bit symbol from instruction argument(s) |
||
| 681 | * \param pResult resulting encoded bit |
||
| 682 | * \param Start first argument |
||
| 683 | * \param Stop last argument |
||
| 684 | * \return True if success |
||
| 685 | * ------------------------------------------------------------------------ */ |
||
| 686 | |||
| 687 | static Boolean DecodeBitArg(LongWord *pResult, int Start, int Stop) |
||
| 688 | { |
||
| 689 | *pResult = 0; |
||
| 690 | |||
| 691 | /* Just one argument -> parse as bit argument */ |
||
| 692 | |||
| 693 | if (Start == Stop) |
||
| 694 | { |
||
| 695 | tEvalResult EvalResult; |
||
| 696 | |||
| 697 | *pResult = EvalStrIntExpressionWithResult(&ArgStr[Start], UInt32, &EvalResult); |
||
| 698 | if (EvalResult.OK) |
||
| 699 | ChkSpace(SegBData, EvalResult.AddrSpaceMask); |
||
| 700 | return EvalResult.OK; |
||
| 701 | } |
||
| 702 | |||
| 703 | /* register & bit position are given as separate arguments */ |
||
| 704 | |||
| 705 | else if (Stop == Start + 1) |
||
| 706 | return DecodeBitArg2(pResult, &ArgStr[Start], &ArgStr[Stop]); |
||
| 707 | |||
| 708 | /* other # of arguments not allowed */ |
||
| 709 | |||
| 710 | else |
||
| 711 | { |
||
| 712 | WrError(ErrNum_WrongArgCnt); |
||
| 713 | return False; |
||
| 714 | } |
||
| 715 | } |
||
| 716 | |||
| 717 | /*!------------------------------------------------------------------------ |
||
| 718 | * \fn DissectBitSymbol(LongWord BitSymbol, Word *pAddress, Byte *pBitPos) |
||
| 719 | * \brief transform compact representation of bit (field) symbol into components |
||
| 720 | * \param BitSymbol compact storage |
||
| 721 | * \param pAddress register address |
||
| 722 | * \param pBitPos bit position |
||
| 723 | * \return constant True |
||
| 724 | * ------------------------------------------------------------------------ */ |
||
| 725 | |||
| 726 | static Boolean DissectBitSymbol(LongWord BitSymbol, LongWord *pAddress, Byte *pBitPos) |
||
| 727 | { |
||
| 728 | *pAddress = (BitSymbol >> 3) & 0xfful; |
||
| 729 | *pBitPos = BitSymbol & 7; |
||
| 730 | return True; |
||
| 731 | } |
||
| 732 | |||
| 733 | /*!------------------------------------------------------------------------ |
||
| 734 | * \fn DissectBit_H8_3(char *pDest, size_t DestSize, LargeWord Inp) |
||
| 735 | * \brief dissect compact storage of bit (field) into readable form for listing |
||
| 736 | * \param pDest destination for ASCII representation |
||
| 737 | * \param DestSize destination buffer size |
||
| 738 | * \param Inp compact storage |
||
| 739 | * ------------------------------------------------------------------------ */ |
||
| 740 | |||
| 741 | static void DissectBit_H8_3(char *pDest, size_t DestSize, LargeWord Inp) |
||
| 742 | { |
||
| 743 | Byte BitPos; |
||
| 744 | LongWord Address; |
||
| 745 | |||
| 746 | DissectBitSymbol(Inp, &Address, &BitPos); |
||
| 747 | |||
| 748 | as_snprintf(pDest, DestSize, "#%u,$%s%x", BitPos, |
||
| 749 | (HexStartCharacter == 'A') ? (CPU16 ? "FF" : "FFFF") : (CPU16 ? "ff" : "ffff"), |
||
| 750 | (unsigned)Address); |
||
| 751 | } |
||
| 752 | |||
| 753 | /*!------------------------------------------------------------------------ |
||
| 754 | * \fn ExpandBit_H8_3(const tStrComp *pVarName, const struct sStructElem *pStructElem, LargeWord Base) |
||
| 755 | * \brief expands bit definition when a structure is instantiated |
||
| 756 | * \param pVarName desired symbol name |
||
| 757 | * \param pStructElem element definition |
||
| 758 | * \param Base base address of instantiated structure |
||
| 759 | * ------------------------------------------------------------------------ */ |
||
| 760 | |||
| 761 | static void ExpandBit_H8_3(const tStrComp *pVarName, const struct sStructElem *pStructElem, LargeWord Base) |
||
| 762 | { |
||
| 763 | LongWord Address = Base + pStructElem->Offset; |
||
| 764 | |||
| 765 | if (pInnermostNamedStruct) |
||
| 766 | { |
||
| 767 | PStructElem pElem = CloneStructElem(pVarName, pStructElem); |
||
| 768 | |||
| 769 | if (!pElem) |
||
| 770 | return; |
||
| 771 | pElem->Offset = Address; |
||
| 772 | AddStructElem(pInnermostNamedStruct->StructRec, pElem); |
||
| 773 | } |
||
| 774 | else |
||
| 775 | { |
||
| 776 | if (!ChkRange(Address, SegLimits[SegCode] - 0xff, SegLimits[SegCode]) |
||
| 777 | || !ChkRange(pStructElem->BitPos, 0, 7)) |
||
| 778 | return; |
||
| 779 | |||
| 780 | PushLocHandle(-1); |
||
| 781 | EnterIntSymbol(pVarName, AssembleBitSymbol(pStructElem->BitPos, Address), SegBData, False); |
||
| 782 | PopLocHandle(); |
||
| 783 | /* TODO: MakeUseList? */ |
||
| 784 | } |
||
| 785 | } |
||
| 786 | |||
| 787 | /*-------------------------------------------------------------------------*/ |
||
| 788 | /* Code Generators */ |
||
| 789 | |||
| 790 | static void DecodeFixed(Word Code) |
||
| 791 | { |
||
| 792 | if (!ChkArgCnt(0, 0)); |
||
| 793 | else if (*AttrPart.str.p_str) WrError(ErrNum_UseLessAttr); |
||
| 794 | else |
||
| 795 | { |
||
| 796 | CodeLen = 2; |
||
| 797 | WAsmCode[0] = Code; |
||
| 798 | } |
||
| 799 | } |
||
| 800 | |||
| 801 | static void DecodeEEPMOV(Word Code) |
||
| 802 | { |
||
| 803 | UNUSED(Code); |
||
| 804 | |||
| 805 | if (OpSize == eSymbolSizeUnknown) |
||
| 806 | OpSize = CPU16 ? eSymbolSize8Bit : eSymbolSize16Bit; |
||
| 807 | if (OpSize > eSymbolSize16Bit) WrError(ErrNum_InvOpSize); |
||
| 808 | else if (!ChkArgCnt(0, 0)); |
||
| 809 | else if ((OpSize == eSymbolSize16Bit) && !ChkCPU32(ErrNum_AddrModeNotSupported)); |
||
| 810 | else |
||
| 811 | { |
||
| 812 | CodeLen = 4; |
||
| 813 | WAsmCode[0] = (OpSize == eSymbolSize8Bit) ? 0x7b5c : 0x7bd4; |
||
| 814 | WAsmCode[1] = 0x598f; |
||
| 815 | } |
||
| 816 | } |
||
| 817 | |||
| 818 | static void DecodeMOV(Word Code) |
||
| 819 | { |
||
| 820 | Byte HReg; |
||
| 821 | |||
| 822 | UNUSED(Code); |
||
| 823 | |||
| 824 | if (ChkArgCnt(2, 2)) |
||
| 825 | { |
||
| 826 | DecodeAdr(&ArgStr[2], MModReg | MModIReg | MModPreDec | MModInd | MModAbs); |
||
| 827 | switch (AdrMode) |
||
| 828 | { |
||
| 829 | case ModReg: |
||
| 830 | HReg = AdrPart; |
||
| 831 | DecodeAdr(&ArgStr[1], MModReg | MModIReg | MModPostInc | MModInd | MModImm | ((OpSize == eSymbolSize8Bit) ? MModAbs : (MModAbs16 | MModAbs24))); |
||
| 832 | switch (AdrMode) |
||
| 833 | { |
||
| 834 | case ModReg: |
||
| 835 | { |
||
| 836 | int z = (OpSize == eSymbolSize32Bit) ? 3 : OpSize; |
||
| 837 | |||
| 838 | CodeLen = 2; |
||
| 839 | WAsmCode[0] = 0x0c00 + (z << 8) + (AdrPart << 4) + HReg; |
||
| 840 | if (OpSize == eSymbolSize32Bit) |
||
| 841 | WAsmCode[0] += 0x80; |
||
| 842 | break; |
||
| 843 | } |
||
| 844 | case ModIReg: |
||
| 845 | switch (OpSize) |
||
| 846 | { |
||
| 847 | case eSymbolSize8Bit: |
||
| 848 | CodeLen = 2; |
||
| 849 | WAsmCode[0] = 0x6800 + (AdrPart << 4) + HReg; |
||
| 850 | break; |
||
| 851 | case eSymbolSize16Bit: |
||
| 852 | CodeLen = 2; |
||
| 853 | WAsmCode[0] = 0x6900 + (AdrPart << 4) + HReg; |
||
| 854 | break; |
||
| 855 | case eSymbolSize32Bit: |
||
| 856 | CodeLen = 4; |
||
| 857 | WAsmCode[0] = 0x0100; |
||
| 858 | WAsmCode[1] = 0x6900 + (AdrPart << 4) + HReg; |
||
| 859 | break; |
||
| 860 | default: |
||
| 861 | break; |
||
| 862 | } |
||
| 863 | break; |
||
| 864 | case ModPostInc: |
||
| 865 | switch (OpSize) |
||
| 866 | { |
||
| 867 | case eSymbolSize8Bit: |
||
| 868 | CodeLen = 2; |
||
| 869 | WAsmCode[0] = 0x6c00 + (AdrPart << 4) + HReg; |
||
| 870 | break; |
||
| 871 | case eSymbolSize16Bit: |
||
| 872 | CodeLen = 2; |
||
| 873 | WAsmCode[0] = 0x6d00 + (AdrPart << 4) + HReg; |
||
| 874 | break; |
||
| 875 | case eSymbolSize32Bit: |
||
| 876 | CodeLen = 4; |
||
| 877 | WAsmCode[0] = 0x0100; |
||
| 878 | WAsmCode[1] = 0x6d00 + (AdrPart << 4) + HReg; |
||
| 879 | break; |
||
| 880 | default: |
||
| 881 | break; |
||
| 882 | } |
||
| 883 | break; |
||
| 884 | case ModInd16: |
||
| 885 | switch (OpSize) |
||
| 886 | { |
||
| 887 | case eSymbolSize8Bit: |
||
| 888 | CodeLen = 4; |
||
| 889 | WAsmCode[0] = 0x6e00 + (AdrPart << 4) + HReg; |
||
| 890 | WAsmCode[1] = AdrVals[0]; |
||
| 891 | break; |
||
| 892 | case eSymbolSize16Bit: |
||
| 893 | CodeLen = 4; |
||
| 894 | WAsmCode[0] = 0x6f00 + (AdrPart << 4) + HReg; |
||
| 895 | WAsmCode[1] = AdrVals[0]; |
||
| 896 | break; |
||
| 897 | case eSymbolSize32Bit: |
||
| 898 | CodeLen = 6; |
||
| 899 | WAsmCode[0] = 0x0100; |
||
| 900 | WAsmCode[1] = 0x6f00 + (AdrPart << 4) + HReg; |
||
| 901 | WAsmCode[2] = AdrVals[0]; |
||
| 902 | break; |
||
| 903 | default: |
||
| 904 | break; |
||
| 905 | } |
||
| 906 | break; |
||
| 907 | case ModInd24: |
||
| 908 | switch (OpSize) |
||
| 909 | { |
||
| 910 | case eSymbolSize8Bit: |
||
| 911 | CodeLen = 8; |
||
| 912 | WAsmCode[0] = 0x7800 + (AdrPart << 4); |
||
| 913 | WAsmCode[1] = 0x6a20 + HReg; |
||
| 914 | memcpy(WAsmCode + 2, AdrVals, AdrCnt); |
||
| 915 | break; |
||
| 916 | case eSymbolSize16Bit: |
||
| 917 | CodeLen = 8; |
||
| 918 | WAsmCode[0] = 0x7800 + (AdrPart << 4); |
||
| 919 | WAsmCode[1] = 0x6b20 + HReg; |
||
| 920 | memcpy(WAsmCode + 2, AdrVals, AdrCnt); |
||
| 921 | break; |
||
| 922 | case eSymbolSize32Bit: |
||
| 923 | CodeLen = 10; |
||
| 924 | WAsmCode[0] = 0x0100; |
||
| 925 | WAsmCode[1] = 0x7800 + (AdrPart << 4); |
||
| 926 | WAsmCode[2] = 0x6b20 + HReg; |
||
| 927 | memcpy(WAsmCode + 3, AdrVals, AdrCnt); |
||
| 928 | break; |
||
| 929 | default: |
||
| 930 | break; |
||
| 931 | } |
||
| 932 | break; |
||
| 933 | case ModAbs8: |
||
| 934 | CodeLen = 2; |
||
| 935 | WAsmCode[0] = 0x2000 + (((Word)HReg) << 8) + Lo(AdrVals[0]); |
||
| 936 | break; |
||
| 937 | case ModAbs16: |
||
| 938 | switch (OpSize) |
||
| 939 | { |
||
| 940 | case eSymbolSize8Bit: |
||
| 941 | CodeLen = 4; |
||
| 942 | WAsmCode[0] = 0x6a00 + HReg; |
||
| 943 | WAsmCode[1] = AdrVals[0]; |
||
| 944 | break; |
||
| 945 | case eSymbolSize16Bit: |
||
| 946 | CodeLen = 4; |
||
| 947 | WAsmCode[0] = 0x6b00 + HReg; |
||
| 948 | WAsmCode[1] = AdrVals[0]; |
||
| 949 | break; |
||
| 950 | case eSymbolSize32Bit: |
||
| 951 | CodeLen = 6; |
||
| 952 | WAsmCode[0] = 0x0100; |
||
| 953 | WAsmCode[1] = 0x6b00 + HReg; |
||
| 954 | WAsmCode[2] = AdrVals[0]; |
||
| 955 | break; |
||
| 956 | default: |
||
| 957 | break; |
||
| 958 | } |
||
| 959 | break; |
||
| 960 | case ModAbs24: |
||
| 961 | switch (OpSize) |
||
| 962 | { |
||
| 963 | case eSymbolSize8Bit: |
||
| 964 | CodeLen = 6; |
||
| 965 | WAsmCode[0] = 0x6a20 + HReg; |
||
| 966 | memcpy(WAsmCode + 1, AdrVals, AdrCnt); |
||
| 967 | break; |
||
| 968 | case eSymbolSize16Bit: |
||
| 969 | CodeLen = 6; |
||
| 970 | WAsmCode[0] = 0x6b20 + HReg; |
||
| 971 | memcpy(WAsmCode + 1, AdrVals, AdrCnt); |
||
| 972 | break; |
||
| 973 | case eSymbolSize32Bit: |
||
| 974 | CodeLen = 8; |
||
| 975 | WAsmCode[0] = 0x0100; |
||
| 976 | WAsmCode[1] = 0x6b20 + HReg; |
||
| 977 | memcpy(WAsmCode + 2, AdrVals, AdrCnt); |
||
| 978 | break; |
||
| 979 | default: |
||
| 980 | break; |
||
| 981 | } |
||
| 982 | break; |
||
| 983 | case ModImm: |
||
| 984 | switch (OpSize) |
||
| 985 | { |
||
| 986 | case eSymbolSize8Bit: |
||
| 987 | CodeLen = 2; |
||
| 988 | WAsmCode[0] = 0xf000 + (((Word)HReg) << 8) + Lo(AdrVals[0]); |
||
| 989 | break; |
||
| 990 | case eSymbolSize16Bit: |
||
| 991 | CodeLen = 4; |
||
| 992 | WAsmCode[0] = 0x7900 + HReg; |
||
| 993 | WAsmCode[1] = AdrVals[0]; |
||
| 994 | break; |
||
| 995 | case eSymbolSize32Bit: |
||
| 996 | CodeLen = 6; |
||
| 997 | WAsmCode[0] = 0x7a00 + HReg; |
||
| 998 | memcpy(WAsmCode + 1, AdrVals, AdrCnt); |
||
| 999 | break; |
||
| 1000 | default: |
||
| 1001 | break; |
||
| 1002 | } |
||
| 1003 | break; |
||
| 1004 | } |
||
| 1005 | break; |
||
| 1006 | case ModIReg: |
||
| 1007 | HReg = AdrPart; |
||
| 1008 | DecodeAdr(&ArgStr[1], MModReg); |
||
| 1009 | if (AdrMode != ModNone) |
||
| 1010 | { |
||
| 1011 | switch (OpSize) |
||
| 1012 | { |
||
| 1013 | case eSymbolSize8Bit: |
||
| 1014 | CodeLen = 2; |
||
| 1015 | WAsmCode[0] = 0x6880 + (HReg << 4) + AdrPart; |
||
| 1016 | break; |
||
| 1017 | case eSymbolSize16Bit: |
||
| 1018 | CodeLen = 2; |
||
| 1019 | WAsmCode[0] = 0x6980 + (HReg << 4) + AdrPart; |
||
| 1020 | break; |
||
| 1021 | case eSymbolSize32Bit: |
||
| 1022 | CodeLen = 4; |
||
| 1023 | WAsmCode[0] = 0x0100; |
||
| 1024 | WAsmCode[1] = 0x6980 + (HReg << 4) + AdrPart; |
||
| 1025 | break; |
||
| 1026 | default: |
||
| 1027 | break; |
||
| 1028 | } |
||
| 1029 | } |
||
| 1030 | break; |
||
| 1031 | case ModPreDec: |
||
| 1032 | HReg = AdrPart; |
||
| 1033 | DecodeAdr(&ArgStr[1], MModReg); |
||
| 1034 | if (AdrMode != ModNone) |
||
| 1035 | { |
||
| 1036 | switch (OpSize) |
||
| 1037 | { |
||
| 1038 | case eSymbolSize8Bit: |
||
| 1039 | CodeLen=2; WAsmCode[0]=0x6c80+(HReg << 4)+AdrPart; |
||
| 1040 | break; |
||
| 1041 | case eSymbolSize16Bit: |
||
| 1042 | CodeLen=2; WAsmCode[0]=0x6d80+(HReg << 4)+AdrPart; |
||
| 1043 | break; |
||
| 1044 | case eSymbolSize32Bit: |
||
| 1045 | CodeLen=4; WAsmCode[0]=0x0100; |
||
| 1046 | WAsmCode[1]=0x6d80+(HReg << 4)+AdrPart; |
||
| 1047 | break; |
||
| 1048 | default: |
||
| 1049 | break; |
||
| 1050 | } |
||
| 1051 | } |
||
| 1052 | break; |
||
| 1053 | case ModInd16: |
||
| 1054 | HReg = AdrPart; |
||
| 1055 | WAsmCode[1] = AdrVals[0]; |
||
| 1056 | DecodeAdr(&ArgStr[1], MModReg); |
||
| 1057 | if (AdrMode!=ModNone) |
||
| 1058 | { |
||
| 1059 | switch (OpSize) |
||
| 1060 | { |
||
| 1061 | case eSymbolSize8Bit: |
||
| 1062 | CodeLen = 4; |
||
| 1063 | WAsmCode[0] = 0x6e80 + (HReg << 4) + AdrPart; |
||
| 1064 | break; |
||
| 1065 | case eSymbolSize16Bit: |
||
| 1066 | CodeLen = 4; |
||
| 1067 | WAsmCode[0] = 0x6f80 + (HReg << 4) + AdrPart; |
||
| 1068 | break; |
||
| 1069 | case eSymbolSize32Bit: |
||
| 1070 | CodeLen = 6; |
||
| 1071 | WAsmCode[0] = 0x0100; |
||
| 1072 | WAsmCode[2] = WAsmCode[1]; |
||
| 1073 | WAsmCode[1] = 0x6f80 + (HReg << 4) + AdrPart; |
||
| 1074 | break; |
||
| 1075 | default: |
||
| 1076 | break; |
||
| 1077 | } |
||
| 1078 | } |
||
| 1079 | break; |
||
| 1080 | case ModInd24: |
||
| 1081 | HReg = AdrPart; |
||
| 1082 | memcpy(WAsmCode + 2, AdrVals, 4); |
||
| 1083 | DecodeAdr(&ArgStr[1], MModReg); |
||
| 1084 | if (AdrMode != ModNone) |
||
| 1085 | { |
||
| 1086 | switch (OpSize) |
||
| 1087 | { |
||
| 1088 | case eSymbolSize8Bit: |
||
| 1089 | CodeLen = 8; |
||
| 1090 | WAsmCode[0] = 0x7800 + (HReg << 4); |
||
| 1091 | WAsmCode[1] = 0x6aa0 + AdrPart; |
||
| 1092 | break; |
||
| 1093 | case eSymbolSize16Bit: |
||
| 1094 | CodeLen = 8; |
||
| 1095 | WAsmCode[0] = 0x7800 + (HReg << 4); |
||
| 1096 | WAsmCode[1] = 0x6ba0 + AdrPart; |
||
| 1097 | break; |
||
| 1098 | case eSymbolSize32Bit: |
||
| 1099 | CodeLen = 10; |
||
| 1100 | WAsmCode[0] = 0x0100; |
||
| 1101 | WAsmCode[4] = WAsmCode[3]; |
||
| 1102 | WAsmCode[3] = WAsmCode[2]; |
||
| 1103 | WAsmCode[1] = 0x7800 + (HReg << 4); |
||
| 1104 | WAsmCode[2] = 0x6ba0 + AdrPart; |
||
| 1105 | break; |
||
| 1106 | default: |
||
| 1107 | break; |
||
| 1108 | } |
||
| 1109 | } |
||
| 1110 | break; |
||
| 1111 | case ModAbs8: |
||
| 1112 | HReg = Lo(AdrVals[0]); |
||
| 1113 | DecodeAdr(&ArgStr[1], MModReg); |
||
| 1114 | if (AdrMode != ModNone) |
||
| 1115 | { |
||
| 1116 | switch (OpSize) |
||
| 1117 | { |
||
| 1118 | case eSymbolSize8Bit: |
||
| 1119 | CodeLen = 2; |
||
| 1120 | WAsmCode[0] = 0x3000 + (((Word)AdrPart) << 8) + HReg; |
||
| 1121 | break; |
||
| 1122 | case eSymbolSize16Bit: |
||
| 1123 | CodeLen = 4; |
||
| 1124 | WAsmCode[0] = 0x6b80 + AdrPart; |
||
| 1125 | WAsmCode[1] = 0xff00 + HReg; |
||
| 1126 | break; |
||
| 1127 | case eSymbolSize32Bit: |
||
| 1128 | CodeLen = 6; |
||
| 1129 | WAsmCode[0] = 0x0100; |
||
| 1130 | WAsmCode[1] = 0x6b80 + AdrPart; |
||
| 1131 | WAsmCode[2] = 0xff00 + HReg; |
||
| 1132 | break; |
||
| 1133 | default: |
||
| 1134 | break; |
||
| 1135 | } |
||
| 1136 | } |
||
| 1137 | break; |
||
| 1138 | case ModAbs16: |
||
| 1139 | WAsmCode[1] = AdrVals[0]; |
||
| 1140 | DecodeAdr(&ArgStr[1], MModReg); |
||
| 1141 | if (AdrMode != ModNone) |
||
| 1142 | { |
||
| 1143 | switch (OpSize) |
||
| 1144 | { |
||
| 1145 | case eSymbolSize8Bit: |
||
| 1146 | CodeLen = 4; |
||
| 1147 | WAsmCode[0] = 0x6a80 + AdrPart; |
||
| 1148 | break; |
||
| 1149 | case eSymbolSize16Bit: |
||
| 1150 | CodeLen = 4; |
||
| 1151 | WAsmCode[0] = 0x6b80 + AdrPart; |
||
| 1152 | break; |
||
| 1153 | case eSymbolSize32Bit: |
||
| 1154 | CodeLen = 6; |
||
| 1155 | WAsmCode[0] = 0x0100; |
||
| 1156 | WAsmCode[2] = WAsmCode[1]; |
||
| 1157 | WAsmCode[1] = 0x6b80 + AdrPart; |
||
| 1158 | break; |
||
| 1159 | default: |
||
| 1160 | break; |
||
| 1161 | } |
||
| 1162 | } |
||
| 1163 | break; |
||
| 1164 | case ModAbs24: |
||
| 1165 | memcpy(WAsmCode + 1, AdrVals, 4); |
||
| 1166 | DecodeAdr(&ArgStr[1], MModReg); |
||
| 1167 | if (AdrMode != ModNone) |
||
| 1168 | { |
||
| 1169 | switch (OpSize) |
||
| 1170 | { |
||
| 1171 | case eSymbolSize8Bit: |
||
| 1172 | CodeLen = 6; |
||
| 1173 | WAsmCode[0] = 0x6aa0 + AdrPart; |
||
| 1174 | break; |
||
| 1175 | case eSymbolSize16Bit: |
||
| 1176 | CodeLen = 6; |
||
| 1177 | WAsmCode[0] = 0x6ba0 + AdrPart; |
||
| 1178 | break; |
||
| 1179 | case eSymbolSize32Bit: |
||
| 1180 | CodeLen = 8; |
||
| 1181 | WAsmCode[0] = 0x0100; |
||
| 1182 | WAsmCode[3] = WAsmCode[2]; |
||
| 1183 | WAsmCode[2] = WAsmCode[1]; |
||
| 1184 | WAsmCode[1] = 0x6ba0 + AdrPart; |
||
| 1185 | break; |
||
| 1186 | default: |
||
| 1187 | break; |
||
| 1188 | } |
||
| 1189 | } |
||
| 1190 | break; |
||
| 1191 | } |
||
| 1192 | } |
||
| 1193 | } |
||
| 1194 | |||
| 1195 | static void DecodeMOVTPE_MOVFPE(Word CodeTPE) |
||
| 1196 | { |
||
| 1197 | if (ChkArgCnt(2, 2) |
||
| 1198 | && ChkMinCPU(CPU6413308)) |
||
| 1199 | { |
||
| 1200 | tStrComp *pRegArg = CodeTPE ? &ArgStr[1] : &ArgStr[2], |
||
| 1201 | *pMemArg = CodeTPE ? &ArgStr[2] : &ArgStr[1]; |
||
| 1202 | |||
| 1203 | DecodeAdr(pRegArg, MModReg); |
||
| 1204 | if (AdrMode != ModNone) |
||
| 1205 | { |
||
| 1206 | if (OpSize != eSymbolSize8Bit) WrError(ErrNum_InvOpSize); |
||
| 1207 | else |
||
| 1208 | { |
||
| 1209 | Byte HReg = AdrPart; |
||
| 1210 | DecodeAdr(pMemArg, MModAbs16); |
||
| 1211 | if (AdrMode != ModNone) |
||
| 1212 | { |
||
| 1213 | CodeLen = 4; |
||
| 1214 | WAsmCode[0] = 0x6a40 + CodeTPE + HReg; |
||
| 1215 | WAsmCode[1] = AdrVals[0]; |
||
| 1216 | } |
||
| 1217 | } |
||
| 1218 | } |
||
| 1219 | } |
||
| 1220 | } |
||
| 1221 | |||
| 1222 | static void DecodePUSH_POP(Word Code) |
||
| 1223 | { |
||
| 1224 | if (ChkArgCnt(1, 1)) |
||
| 1225 | { |
||
| 1226 | DecodeAdr(&ArgStr[1], MModReg); |
||
| 1227 | if (AdrMode != ModNone) |
||
| 1228 | { |
||
| 1229 | if (OpSize == eSymbolSize8Bit) WrError(ErrNum_InvOpSize); |
||
| 1230 | else if ((OpSize != eSymbolSize32Bit) || ChkCPU32(ErrNum_AddrModeNotSupported)) |
||
| 1231 | { |
||
| 1232 | if (OpSize == eSymbolSize32Bit) |
||
| 1233 | WAsmCode[0] = 0x0100; |
||
| 1234 | CodeLen = 2 * OpSize; |
||
| 1235 | WAsmCode[(CodeLen - 2) >> 1] = Code + AdrPart; |
||
| 1236 | } |
||
| 1237 | } |
||
| 1238 | } |
||
| 1239 | } |
||
| 1240 | |||
| 1241 | static void DecodeLDC_STC(Word CodeIsSTC) |
||
| 1242 | { |
||
| 1243 | if (ChkArgCnt(2, 2)) |
||
| 1244 | { |
||
| 1245 | tStrComp *pRegArg = CodeIsSTC ? &ArgStr[1] : &ArgStr[2], |
||
| 1246 | *pMemArg = CodeIsSTC ? &ArgStr[2] : &ArgStr[1]; |
||
| 1247 | |||
| 1248 | if (as_strcasecmp(pRegArg->str.p_str, "CCR")) WrError(ErrNum_InvAddrMode); |
||
| 1249 | else |
||
| 1250 | { |
||
| 1251 | SetOpSize(eSymbolSize8Bit); |
||
| 1252 | DecodeAdr(pMemArg, MModReg | MModIReg | MModInd | MModAbs16 | MModAbs24 | (CodeIsSTC ? MModPreDec : (MModImm | MModPostInc))); |
||
| 1253 | switch (AdrMode) |
||
| 1254 | { |
||
| 1255 | case ModReg: |
||
| 1256 | CodeLen = 2; |
||
| 1257 | WAsmCode[0] = 0x0300 + AdrPart - (CodeIsSTC << 1); |
||
| 1258 | break; |
||
| 1259 | case ModIReg: |
||
| 1260 | CodeLen = 4; |
||
| 1261 | WAsmCode[0] = 0x0140; |
||
| 1262 | WAsmCode[1] = 0x6900 + CodeIsSTC + (AdrPart << 4); |
||
| 1263 | break; |
||
| 1264 | case ModPostInc: |
||
| 1265 | case ModPreDec: |
||
| 1266 | CodeLen = 4; |
||
| 1267 | WAsmCode[0] = 0x0140; |
||
| 1268 | WAsmCode[1] = 0x6d00 + CodeIsSTC + (AdrPart << 4); |
||
| 1269 | break; |
||
| 1270 | case ModInd16: |
||
| 1271 | CodeLen = 6; |
||
| 1272 | WAsmCode[0] = 0x0140; |
||
| 1273 | WAsmCode[2] = AdrVals[0]; |
||
| 1274 | WAsmCode[1] = 0x6f00 + CodeIsSTC + (AdrPart << 4); |
||
| 1275 | break; |
||
| 1276 | case ModInd24: |
||
| 1277 | CodeLen = 10; |
||
| 1278 | WAsmCode[0] = 0x0140; |
||
| 1279 | WAsmCode[1] = 0x7800 + (AdrPart << 4); |
||
| 1280 | WAsmCode[2] = 0x6b20 + CodeIsSTC; |
||
| 1281 | memcpy(WAsmCode + 3, AdrVals, AdrCnt); |
||
| 1282 | break; |
||
| 1283 | case ModAbs16: |
||
| 1284 | CodeLen = 6; |
||
| 1285 | WAsmCode[0] = 0x0140; |
||
| 1286 | WAsmCode[2] = AdrVals[0]; |
||
| 1287 | WAsmCode[1] = 0x6b00 + CodeIsSTC; |
||
| 1288 | break; |
||
| 1289 | case ModAbs24: |
||
| 1290 | CodeLen = 8; |
||
| 1291 | WAsmCode[0] = 0x0140; |
||
| 1292 | WAsmCode[1] = 0x6b20 + CodeIsSTC; |
||
| 1293 | memcpy(WAsmCode + 2, AdrVals, AdrCnt); |
||
| 1294 | break; |
||
| 1295 | case ModImm: |
||
| 1296 | CodeLen = 2; |
||
| 1297 | WAsmCode[0] = 0x0700 + Lo(AdrVals[0]); |
||
| 1298 | break; |
||
| 1299 | } |
||
| 1300 | } |
||
| 1301 | } |
||
| 1302 | } |
||
| 1303 | |||
| 1304 | static void DecodeADD_SUB(Word IsSUB) |
||
| 1305 | { |
||
| 1306 | if (ChkArgCnt(2, 2)) |
||
| 1307 | { |
||
| 1308 | DecodeAdr(&ArgStr[2], MModReg); |
||
| 1309 | if (AdrMode != ModNone) |
||
| 1310 | { |
||
| 1311 | Byte HReg = AdrPart; |
||
| 1312 | DecodeAdr(&ArgStr[1], MModReg | MModImm); |
||
| 1313 | if (AdrMode != ModNone) |
||
| 1314 | { |
||
| 1315 | if (((OpSize > eSymbolSize16Bit) || ((OpSize == eSymbolSize16Bit) && (AdrMode == ModImm))) && !ChkCPU32(ErrNum_AddrModeNotSupported)); |
||
| 1316 | else |
||
| 1317 | { |
||
| 1318 | switch (AdrMode) |
||
| 1319 | { |
||
| 1320 | case ModImm: |
||
| 1321 | switch (OpSize) |
||
| 1322 | { |
||
| 1323 | case eSymbolSize8Bit: |
||
| 1324 | if (IsSUB) WrError(ErrNum_InvAddrMode); |
||
| 1325 | else |
||
| 1326 | { |
||
| 1327 | CodeLen = 2; |
||
| 1328 | WAsmCode[0] = 0x8000 + (((Word)HReg) << 8) + Lo(AdrVals[0]); |
||
| 1329 | } |
||
| 1330 | break; |
||
| 1331 | case eSymbolSize16Bit: |
||
| 1332 | CodeLen = 4; |
||
| 1333 | WAsmCode[1] = AdrVals[0]; |
||
| 1334 | WAsmCode[0] = 0x7910 + (IsSUB << 5) + HReg; |
||
| 1335 | break; |
||
| 1336 | case eSymbolSize32Bit: |
||
| 1337 | CodeLen = 6; |
||
| 1338 | memcpy(WAsmCode + 1, AdrVals, 4); |
||
| 1339 | WAsmCode[0] = 0x7a10 + (IsSUB << 5) + HReg; |
||
| 1340 | break; |
||
| 1341 | default: |
||
| 1342 | break; |
||
| 1343 | } |
||
| 1344 | break; |
||
| 1345 | case ModReg: |
||
| 1346 | switch (OpSize) |
||
| 1347 | { |
||
| 1348 | case eSymbolSize8Bit: |
||
| 1349 | CodeLen = 2; |
||
| 1350 | WAsmCode[0] = 0x0800 + (IsSUB << 12) + (AdrPart << 4) + HReg; |
||
| 1351 | break; |
||
| 1352 | case eSymbolSize16Bit: |
||
| 1353 | CodeLen = 2; |
||
| 1354 | WAsmCode[0] = 0x0900 + (IsSUB << 12) + (AdrPart << 4) + HReg; |
||
| 1355 | break; |
||
| 1356 | case eSymbolSize32Bit: |
||
| 1357 | CodeLen = 2; |
||
| 1358 | WAsmCode[0] = 0x0a00 + (IsSUB << 12) + 0x80 + (AdrPart << 4) + HReg; |
||
| 1359 | break; |
||
| 1360 | default: |
||
| 1361 | break; |
||
| 1362 | } |
||
| 1363 | break; |
||
| 1364 | } |
||
| 1365 | } |
||
| 1366 | } |
||
| 1367 | } |
||
| 1368 | } |
||
| 1369 | } |
||
| 1370 | |||
| 1371 | static void DecodeCMP(Word Code) |
||
| 1372 | { |
||
| 1373 | UNUSED(Code); |
||
| 1374 | |||
| 1375 | if (ChkArgCnt(2, 2)) |
||
| 1376 | { |
||
| 1377 | DecodeAdr(&ArgStr[2], MModReg); |
||
| 1378 | if (AdrMode != ModNone) |
||
| 1379 | { |
||
| 1380 | Byte HReg = AdrPart; |
||
| 1381 | DecodeAdr(&ArgStr[1], MModReg | MModImm); |
||
| 1382 | if (AdrMode != ModNone) |
||
| 1383 | { |
||
| 1384 | if (((OpSize > eSymbolSize16Bit) || ((OpSize == eSymbolSize16Bit) && (AdrMode == ModImm))) && !ChkCPU32(ErrNum_AddrModeNotSupported)); |
||
| 1385 | else |
||
| 1386 | { |
||
| 1387 | switch (AdrMode) |
||
| 1388 | { |
||
| 1389 | case ModImm: |
||
| 1390 | switch (OpSize) |
||
| 1391 | { |
||
| 1392 | case eSymbolSize8Bit: |
||
| 1393 | CodeLen = 2; |
||
| 1394 | WAsmCode[0] = 0xa000 + (((Word)HReg) << 8) + Lo(AdrVals[0]); |
||
| 1395 | break; |
||
| 1396 | case eSymbolSize16Bit: |
||
| 1397 | CodeLen = 4; |
||
| 1398 | WAsmCode[1] = AdrVals[0]; |
||
| 1399 | WAsmCode[0] = 0x7920 + HReg; |
||
| 1400 | break; |
||
| 1401 | case eSymbolSize32Bit: |
||
| 1402 | CodeLen = 6; |
||
| 1403 | memcpy(WAsmCode + 1, AdrVals, 4); |
||
| 1404 | WAsmCode[0] = 0x7a20 + HReg; |
||
| 1405 | default: |
||
| 1406 | break; |
||
| 1407 | } |
||
| 1408 | break; |
||
| 1409 | case ModReg: |
||
| 1410 | switch (OpSize) |
||
| 1411 | { |
||
| 1412 | case eSymbolSize8Bit: |
||
| 1413 | CodeLen = 2; |
||
| 1414 | WAsmCode[0] = 0x1c00 + (AdrPart << 4) + HReg; |
||
| 1415 | break; |
||
| 1416 | case eSymbolSize16Bit: |
||
| 1417 | CodeLen = 2; |
||
| 1418 | WAsmCode[0] = 0x1d00 + (AdrPart << 4) + HReg; |
||
| 1419 | break; |
||
| 1420 | case eSymbolSize32Bit: |
||
| 1421 | CodeLen = 2; |
||
| 1422 | WAsmCode[0] = 0x1f80 + (AdrPart << 4) + HReg; |
||
| 1423 | break; |
||
| 1424 | default: |
||
| 1425 | break; |
||
| 1426 | } |
||
| 1427 | break; |
||
| 1428 | } |
||
| 1429 | } |
||
| 1430 | } |
||
| 1431 | } |
||
| 1432 | } |
||
| 1433 | } |
||
| 1434 | |||
| 1435 | static void DecodeLogic(Word Code) |
||
| 1436 | { |
||
| 1437 | if (ChkArgCnt(2, 2)) |
||
| 1438 | { |
||
| 1439 | DecodeAdr(&ArgStr[2], MModReg); |
||
| 1440 | if (AdrMode != ModNone) |
||
| 1441 | { |
||
| 1442 | if ((OpSize <= eSymbolSize8Bit) || ChkCPU32(ErrNum_AddrModeNotSupported)) |
||
| 1443 | { |
||
| 1444 | Byte HReg = AdrPart; |
||
| 1445 | DecodeAdr(&ArgStr[1], MModImm | MModReg); |
||
| 1446 | switch (AdrMode) |
||
| 1447 | { |
||
| 1448 | case ModImm: |
||
| 1449 | switch (OpSize) |
||
| 1450 | { |
||
| 1451 | case eSymbolSize8Bit: |
||
| 1452 | CodeLen = 2; |
||
| 1453 | WAsmCode[0] = 0xc000 + (Code << 12) + (((Word)HReg) << 8) + Lo(AdrVals[0]); |
||
| 1454 | break; |
||
| 1455 | case eSymbolSize16Bit: |
||
| 1456 | CodeLen = 4; |
||
| 1457 | WAsmCode[1] = AdrVals[0]; |
||
| 1458 | WAsmCode[0] = 0x7940 + (Code << 4) + HReg; |
||
| 1459 | break; |
||
| 1460 | case eSymbolSize32Bit: |
||
| 1461 | CodeLen = 6; |
||
| 1462 | memcpy(WAsmCode + 1, AdrVals, AdrCnt); |
||
| 1463 | WAsmCode[0] = 0x7a40 + (Code << 4) + HReg; |
||
| 1464 | break; |
||
| 1465 | default: |
||
| 1466 | break; |
||
| 1467 | } |
||
| 1468 | break; |
||
| 1469 | case ModReg: |
||
| 1470 | switch (OpSize) |
||
| 1471 | { |
||
| 1472 | case eSymbolSize8Bit: |
||
| 1473 | CodeLen = 2; |
||
| 1474 | WAsmCode[0] = 0x1400 + (Code << 8) + (AdrPart << 4) + HReg; |
||
| 1475 | break; |
||
| 1476 | case eSymbolSize16Bit: |
||
| 1477 | CodeLen = 2; |
||
| 1478 | WAsmCode[0] = 0x6400 + (Code << 8) + (AdrPart << 4) + HReg; |
||
| 1479 | break; |
||
| 1480 | case eSymbolSize32Bit: |
||
| 1481 | CodeLen = 4; |
||
| 1482 | WAsmCode[0] = 0x01f0; |
||
| 1483 | WAsmCode[1] = 0x6400 + (Code << 8) + (AdrPart << 4) + HReg; |
||
| 1484 | break; |
||
| 1485 | default: |
||
| 1486 | break; |
||
| 1487 | } |
||
| 1488 | break; |
||
| 1489 | } |
||
| 1490 | } |
||
| 1491 | } |
||
| 1492 | } |
||
| 1493 | } |
||
| 1494 | |||
| 1495 | static void DecodeLogicBit(Word Code) |
||
| 1496 | { |
||
| 1497 | SetOpSize(eSymbolSize8Bit); |
||
| 1498 | if (!ChkArgCnt(2, 2)); |
||
| 1499 | else if (as_strcasecmp(ArgStr[2].str.p_str, "CCR")) WrError(ErrNum_InvAddrMode); |
||
| 1500 | else |
||
| 1501 | { |
||
| 1502 | DecodeAdr(&ArgStr[1], MModImm); |
||
| 1503 | if (AdrMode != ModNone) |
||
| 1504 | { |
||
| 1505 | CodeLen = 2; |
||
| 1506 | WAsmCode[0] = 0x0400 + (Code << 8) + Lo(AdrVals[0]); |
||
| 1507 | } |
||
| 1508 | } |
||
| 1509 | } |
||
| 1510 | |||
| 1511 | static void DecodeADDX_SUBX(Word IsSUBX) |
||
| 1512 | { |
||
| 1513 | if (ChkArgCnt(2, 2)) |
||
| 1514 | { |
||
| 1515 | DecodeAdr(&ArgStr[2], MModReg); |
||
| 1516 | if (AdrMode != ModNone) |
||
| 1517 | { |
||
| 1518 | if (OpSize != eSymbolSize8Bit) WrError(ErrNum_InvOpSize); |
||
| 1519 | else |
||
| 1520 | { |
||
| 1521 | Byte HReg = AdrPart; |
||
| 1522 | DecodeAdr(&ArgStr[1], MModImm | MModReg); |
||
| 1523 | switch (AdrMode) |
||
| 1524 | { |
||
| 1525 | case ModImm: |
||
| 1526 | CodeLen = 2; |
||
| 1527 | WAsmCode[0] = 0x9000 + (((Word)HReg) << 8) + Lo(AdrVals[0]) + (IsSUBX << 13); |
||
| 1528 | break; |
||
| 1529 | case ModReg: |
||
| 1530 | CodeLen = 2; |
||
| 1531 | WAsmCode[0] = 0x0e00 + (AdrPart << 4) + HReg + (IsSUBX << 12); |
||
| 1532 | break; |
||
| 1533 | } |
||
| 1534 | } |
||
| 1535 | } |
||
| 1536 | } |
||
| 1537 | } |
||
| 1538 | |||
| 1539 | static void DecodeADDS_SUBS(Word IsSUBS) |
||
| 1540 | { |
||
| 1541 | if (ChkArgCnt(2, 2)) |
||
| 1542 | { |
||
| 1543 | DecodeAdr(&ArgStr[2], MModReg); |
||
| 1544 | if (AdrMode != ModNone) |
||
| 1545 | { |
||
| 1546 | if (((CPU16) && (OpSize != eSymbolSize16Bit)) || ((!CPU16) && (OpSize != eSymbolSize32Bit))) WrError(ErrNum_InvOpSize); |
||
| 1547 | else |
||
| 1548 | { |
||
| 1549 | Byte HReg = AdrPart; |
||
| 1550 | DecodeAdr(&ArgStr[1], MModImm); |
||
| 1551 | if (AdrMode != ModNone) |
||
| 1552 | { |
||
| 1553 | LongInt AdrLong = ImmVal(); |
||
| 1554 | if ((AdrLong != 1) && (AdrLong != 2) && (AdrLong != 4)) WrError(ErrNum_OverRange); |
||
| 1555 | else |
||
| 1556 | { |
||
| 1557 | switch (AdrLong) |
||
| 1558 | { |
||
| 1559 | case 1: WAsmCode[0] = 0x0b00; break; |
||
| 1560 | case 2: WAsmCode[0] = 0x0b80; break; |
||
| 1561 | case 4: WAsmCode[0] = 0x0b90; break; |
||
| 1562 | } |
||
| 1563 | CodeLen = 2; |
||
| 1564 | WAsmCode[0] += HReg + IsSUBS; |
||
| 1565 | } |
||
| 1566 | } |
||
| 1567 | } |
||
| 1568 | } |
||
| 1569 | } |
||
| 1570 | } |
||
| 1571 | |||
| 1572 | static void DecodeMul(Word Code) |
||
| 1573 | { |
||
| 1574 | if (ChkArgCnt(2, 2)) |
||
| 1575 | { |
||
| 1576 | if (OpSize != eSymbolSizeUnknown) OpSize++; |
||
| 1577 | DecodeAdr(&ArgStr[2], MModReg); |
||
| 1578 | if (AdrMode != ModNone) |
||
| 1579 | { |
||
| 1580 | if (OpSize == eSymbolSize8Bit) WrError(ErrNum_InvOpSize); |
||
| 1581 | else if ((OpSize != eSymbolSize32Bit) || ChkCPU32(ErrNum_AddrModeNotSupported)) |
||
| 1582 | { |
||
| 1583 | Byte HReg = AdrPart; |
||
| 1584 | OpSize--; |
||
| 1585 | DecodeAdr(&ArgStr[1], MModReg); |
||
| 1586 | if (AdrMode != ModNone) |
||
| 1587 | { |
||
| 1588 | if ((Code & 2) == 2) |
||
| 1589 | { |
||
| 1590 | CodeLen = 4; |
||
| 1591 | WAsmCode[0] = 0x01c0; |
||
| 1592 | if ((Code & 1) == 1) |
||
| 1593 | WAsmCode[0] += 0x10; |
||
| 1594 | } |
||
| 1595 | else |
||
| 1596 | CodeLen=2; |
||
| 1597 | WAsmCode[CodeLen >> 2] = 0x5000 |
||
| 1598 | + (((Word)OpSize) << 9) |
||
| 1599 | + ((Code & 1) << 8) |
||
| 1600 | + (AdrPart << 4) + HReg; |
||
| 1601 | } |
||
| 1602 | } |
||
| 1603 | } |
||
| 1604 | } |
||
| 1605 | } |
||
| 1606 | |||
| 1607 | static void DecodeBit1(Word Code) |
||
| 1608 | { |
||
| 1609 | Word OpCode = 0x60 + (Code & 0x7f); |
||
| 1610 | Byte BitPos; |
||
| 1611 | |||
| 1612 | switch (ArgCnt) |
||
| 1613 | { |
||
| 1614 | case 1: |
||
| 1615 | { |
||
| 1616 | LongWord BitSpec; |
||
| 1617 | |||
| 1618 | if (DecodeBitArg(&BitSpec, 1, 1)) |
||
| 1619 | { |
||
| 1620 | LongWord Addr; |
||
| 1621 | |||
| 1622 | DissectBitSymbol(BitSpec, &Addr, &BitPos); |
||
| 1623 | AdrMode = ModAbs8; |
||
| 1624 | AdrVals[0] = Addr & 0xff; |
||
| 1625 | AdrCnt = 2; |
||
| 1626 | goto common; |
||
| 1627 | } |
||
| 1628 | break; |
||
| 1629 | } |
||
| 1630 | case 2: |
||
| 1631 | { |
||
| 1632 | Boolean OK; |
||
| 1633 | |||
| 1634 | BitPos = EvalBitPosition(&ArgStr[1], &OK); |
||
| 1635 | if (OK) |
||
| 1636 | { |
||
| 1637 | DecodeAdr(&ArgStr[2], MModReg | MModIReg | MModAbs8); |
||
| 1638 | if (AdrMode != ModNone) |
||
| 1639 | goto common; |
||
| 1640 | } |
||
| 1641 | break; |
||
| 1642 | } |
||
| 1643 | common: |
||
| 1644 | if (OpSize > eSymbolSize8Bit) WrError(ErrNum_InvOpSize); |
||
| 1645 | else switch (AdrMode) |
||
| 1646 | { |
||
| 1647 | case ModReg: |
||
| 1648 | CodeLen = 2; |
||
| 1649 | WAsmCode[0] = (OpCode << 8) + (Code & 0x80) + (BitPos << 4) + AdrPart; |
||
| 1650 | break; |
||
| 1651 | case ModIReg: |
||
| 1652 | CodeLen = 4; |
||
| 1653 | WAsmCode[0] = 0x7c00 + (AdrPart << 4); |
||
| 1654 | WAsmCode[1] = (OpCode << 8) + (Code & 0x80) + (BitPos << 4); |
||
| 1655 | if (OpCode < 0x70) |
||
| 1656 | WAsmCode[0] += 0x100; |
||
| 1657 | break; |
||
| 1658 | case ModAbs8: |
||
| 1659 | CodeLen = 4; |
||
| 1660 | WAsmCode[0] = 0x7e00 + Lo(AdrVals[0]); |
||
| 1661 | WAsmCode[1] = (OpCode << 8) + (Code & 0x80) + (BitPos << 4); |
||
| 1662 | if (OpCode < 0x70) |
||
| 1663 | WAsmCode[0] += 0x100; |
||
| 1664 | break; |
||
| 1665 | } |
||
| 1666 | break; |
||
| 1667 | default: |
||
| 1668 | (void)ChkArgCnt(1, 2); |
||
| 1669 | } |
||
| 1670 | } |
||
| 1671 | |||
| 1672 | static void DecodeBit2(Word Code) |
||
| 1673 | { |
||
| 1674 | Word OpCode; |
||
| 1675 | Byte Bit; |
||
| 1676 | Boolean OK; |
||
| 1677 | tSymbolSize HSize; |
||
| 1678 | |||
| 1679 | switch (ArgCnt) |
||
| 1680 | { |
||
| 1681 | case 1: |
||
| 1682 | { |
||
| 1683 | LongWord BitSpec; |
||
| 1684 | |||
| 1685 | if (DecodeBitArg(&BitSpec, 1, 1)) |
||
| 1686 | { |
||
| 1687 | LongWord Addr; |
||
| 1688 | |||
| 1689 | DissectBitSymbol(BitSpec, &Addr, &Bit); |
||
| 1690 | OpCode = Code + 0x70; |
||
| 1691 | AdrMode = ModAbs8; |
||
| 1692 | AdrVals[0] = Addr & 0xff; |
||
| 1693 | AdrCnt = 2; |
||
| 1694 | goto common; |
||
| 1695 | } |
||
| 1696 | break; |
||
| 1697 | } |
||
| 1698 | case 2: |
||
| 1699 | switch (DecodeReg(&ArgStr[1], &Bit, 1 << eSymbolSize8Bit, &HSize, False)) |
||
| 1700 | { |
||
| 1701 | case eIsReg: |
||
| 1702 | OpCode = Code + 0x60; |
||
| 1703 | OK = True; |
||
| 1704 | break; |
||
| 1705 | case eIsNoReg: |
||
| 1706 | OpCode = Code + 0x70; |
||
| 1707 | Bit = EvalBitPosition(&ArgStr[1], &OK); |
||
| 1708 | break; |
||
| 1709 | default: /* eRegAbort */ |
||
| 1710 | return; |
||
| 1711 | } |
||
| 1712 | if (OK) |
||
| 1713 | { |
||
| 1714 | DecodeAdr(&ArgStr[2], MModReg | MModIReg | MModAbs8); |
||
| 1715 | if (AdrMode != ModNone) |
||
| 1716 | goto common; |
||
| 1717 | break; |
||
| 1718 | } |
||
| 1719 | common: |
||
| 1720 | if (OpSize > eSymbolSize8Bit) WrError(ErrNum_InvOpSize); |
||
| 1721 | else |
||
| 1722 | { |
||
| 1723 | switch (AdrMode) |
||
| 1724 | { |
||
| 1725 | case ModReg: |
||
| 1726 | CodeLen = 2; |
||
| 1727 | WAsmCode[0] = (OpCode << 8) + (Bit << 4) + AdrPart; |
||
| 1728 | break; |
||
| 1729 | case ModIReg: |
||
| 1730 | CodeLen = 4; |
||
| 1731 | WAsmCode[0] = 0x7d00 + (AdrPart << 4); |
||
| 1732 | WAsmCode[1] = (OpCode << 8) + (Bit << 4); |
||
| 1733 | if (Code == 3) |
||
| 1734 | WAsmCode[0] -= 0x100; |
||
| 1735 | break; |
||
| 1736 | case ModAbs8: |
||
| 1737 | CodeLen = 4; |
||
| 1738 | WAsmCode[0] = 0x7f00 + Lo(AdrVals[0]); |
||
| 1739 | WAsmCode[1] = (OpCode << 8) + (Bit << 4); |
||
| 1740 | if (Code == 3) |
||
| 1741 | WAsmCode[0] -= 0x100; |
||
| 1742 | break; |
||
| 1743 | } |
||
| 1744 | } |
||
| 1745 | break; |
||
| 1746 | default: |
||
| 1747 | (void)ChkArgCnt(1, 2); |
||
| 1748 | } |
||
| 1749 | } |
||
| 1750 | |||
| 1751 | static void DecodeINC_DEC(Word Code) |
||
| 1752 | { |
||
| 1753 | Boolean OK; |
||
| 1754 | int z; |
||
| 1755 | Byte HReg; |
||
| 1756 | |||
| 1757 | if (ChkArgCnt(1, 2)) |
||
| 1758 | { |
||
| 1759 | DecodeAdr(&ArgStr[ArgCnt], MModReg); |
||
| 1760 | if (AdrMode != ModNone) |
||
| 1761 | { |
||
| 1762 | if ((OpSize <= eSymbolSize8Bit) || ChkCPU32(ErrNum_AddrModeNotSupported)) |
||
| 1763 | { |
||
| 1764 | HReg = AdrPart; |
||
| 1765 | if (ArgCnt == 1) |
||
| 1766 | { |
||
| 1767 | OK = True; |
||
| 1768 | z = 1; |
||
| 1769 | } |
||
| 1770 | else |
||
| 1771 | { |
||
| 1772 | DecodeAdr(&ArgStr[1], MModImm); |
||
| 1773 | OK = (AdrMode == ModImm); |
||
| 1774 | if (OK) |
||
| 1775 | { |
||
| 1776 | z = ImmVal(); |
||
| 1777 | if (z < 1) |
||
| 1778 | { |
||
| 1779 | WrError(ErrNum_UnderRange); |
||
| 1780 | OK = False; |
||
| 1781 | } |
||
| 1782 | else if (((OpSize == eSymbolSize8Bit) && (z > 1)) || (z > 2)) |
||
| 1783 | { |
||
| 1784 | WrError(ErrNum_OverRange); |
||
| 1785 | OK = False; |
||
| 1786 | } |
||
| 1787 | } |
||
| 1788 | } |
||
| 1789 | if (OK) |
||
| 1790 | { |
||
| 1791 | CodeLen = 2; |
||
| 1792 | z--; |
||
| 1793 | switch (OpSize) |
||
| 1794 | { |
||
| 1795 | case eSymbolSize8Bit: |
||
| 1796 | WAsmCode[0] = Code + 0x0a00 + HReg; |
||
| 1797 | break; |
||
| 1798 | case eSymbolSize16Bit: |
||
| 1799 | WAsmCode[0] = Code + 0x0b50 + HReg + (z << 7); |
||
| 1800 | break; |
||
| 1801 | case eSymbolSize32Bit: |
||
| 1802 | WAsmCode[0] = Code + 0x0b70 + HReg + (z << 7); |
||
| 1803 | break; |
||
| 1804 | default: |
||
| 1805 | break; |
||
| 1806 | } |
||
| 1807 | } |
||
| 1808 | } |
||
| 1809 | } |
||
| 1810 | } |
||
| 1811 | } |
||
| 1812 | |||
| 1813 | static void DecodeShift(Word Code) |
||
| 1814 | { |
||
| 1815 | if (ChkArgCnt(1, 1)) |
||
| 1816 | { |
||
| 1817 | DecodeAdr(&ArgStr[1], MModReg); |
||
| 1818 | if (AdrMode != ModNone) |
||
| 1819 | { |
||
| 1820 | if ((OpSize <= eSymbolSize8Bit) || ChkCPU32(ErrNum_AddrModeNotSupported)) |
||
| 1821 | { |
||
| 1822 | CodeLen = 2; |
||
| 1823 | switch (OpSize) |
||
| 1824 | { |
||
| 1825 | case eSymbolSize8Bit: |
||
| 1826 | WAsmCode[0] = Code + AdrPart; |
||
| 1827 | break; |
||
| 1828 | case eSymbolSize16Bit: |
||
| 1829 | WAsmCode[0] = Code + AdrPart + 0x10; |
||
| 1830 | break; |
||
| 1831 | case eSymbolSize32Bit: |
||
| 1832 | WAsmCode[0] = Code + AdrPart + 0x30; |
||
| 1833 | break; |
||
| 1834 | default: |
||
| 1835 | break; |
||
| 1836 | } |
||
| 1837 | } |
||
| 1838 | } |
||
| 1839 | } |
||
| 1840 | } |
||
| 1841 | |||
| 1842 | static void DecodeNEG_NOT(Word Code) |
||
| 1843 | { |
||
| 1844 | if (ChkArgCnt(1, 1)) |
||
| 1845 | { |
||
| 1846 | DecodeAdr(&ArgStr[1], MModReg); |
||
| 1847 | if (AdrMode != ModNone) |
||
| 1848 | { |
||
| 1849 | if ((OpSize <= eSymbolSize8Bit) || ChkCPU32(ErrNum_AddrModeNotSupported)) |
||
| 1850 | { |
||
| 1851 | CodeLen = 2; |
||
| 1852 | switch (OpSize) |
||
| 1853 | { |
||
| 1854 | case eSymbolSize8Bit: |
||
| 1855 | WAsmCode[0] = Code + 0x1700 + AdrPart; |
||
| 1856 | break; |
||
| 1857 | case eSymbolSize16Bit: |
||
| 1858 | WAsmCode[0] = Code + 0x1710 + AdrPart; |
||
| 1859 | break; |
||
| 1860 | case eSymbolSize32Bit: |
||
| 1861 | WAsmCode[0] = Code + 0x1730 + AdrPart; |
||
| 1862 | break; |
||
| 1863 | default: |
||
| 1864 | break; |
||
| 1865 | } |
||
| 1866 | } |
||
| 1867 | } |
||
| 1868 | } |
||
| 1869 | } |
||
| 1870 | |||
| 1871 | static void DecodeEXTS_EXTU(Word IsEXTS) |
||
| 1872 | { |
||
| 1873 | if (ChkArgCnt(1, 1) |
||
| 1874 | && ChkCPU32(ErrNum_InstructionNotSupported)) |
||
| 1875 | { |
||
| 1876 | DecodeAdr(&ArgStr[1], MModReg); |
||
| 1877 | if (AdrMode != ModNone) |
||
| 1878 | { |
||
| 1879 | if ((OpSize != eSymbolSize16Bit) && (OpSize != 2)) WrError(ErrNum_InvOpSize); |
||
| 1880 | else |
||
| 1881 | { |
||
| 1882 | CodeLen = 2; |
||
| 1883 | switch (OpSize) |
||
| 1884 | { |
||
| 1885 | case eSymbolSize16Bit: |
||
| 1886 | WAsmCode[0] = IsEXTS ? 0x17d0 : 0x1750; |
||
| 1887 | break; |
||
| 1888 | case eSymbolSize32Bit: |
||
| 1889 | WAsmCode[0] = IsEXTS ? 0x17f0 : 0x1770; |
||
| 1890 | break; |
||
| 1891 | default: |
||
| 1892 | break; |
||
| 1893 | } |
||
| 1894 | WAsmCode[0] += AdrPart; |
||
| 1895 | } |
||
| 1896 | } |
||
| 1897 | } |
||
| 1898 | } |
||
| 1899 | |||
| 1900 | static void DecodeDAA_DAS(Word Code) |
||
| 1901 | { |
||
| 1902 | if (ChkArgCnt(1, 1)) |
||
| 1903 | { |
||
| 1904 | DecodeAdr(&ArgStr[1], MModReg); |
||
| 1905 | if (AdrMode != ModNone) |
||
| 1906 | { |
||
| 1907 | if (OpSize != eSymbolSize8Bit) WrError(ErrNum_InvOpSize); |
||
| 1908 | else |
||
| 1909 | { |
||
| 1910 | CodeLen = 2; |
||
| 1911 | WAsmCode[0] = Code + AdrPart; |
||
| 1912 | } |
||
| 1913 | } |
||
| 1914 | } |
||
| 1915 | } |
||
| 1916 | |||
| 1917 | static void DecodeCond(Word Code) |
||
| 1918 | { |
||
| 1919 | if (!ChkArgCnt(1, 1)); |
||
| 1920 | else if ((OpSize != eSymbolSizeUnknown) && (OpSize != eSymbolSizeFloat32Bit) && (OpSize != eSymbolSize32Bit)) WrError(ErrNum_InvOpSize); |
||
| 1921 | else |
||
| 1922 | { |
||
| 1923 | Boolean OK; |
||
| 1924 | tSymbolFlags Flags; |
||
| 1925 | LongInt AdrLong = EvalStrIntExpressionWithFlags(&ArgStr[1], Int24, &OK, &Flags) - (EProgCounter() + 2); |
||
| 1926 | |||
| 1927 | if (OK) |
||
| 1928 | { |
||
| 1929 | if (OpSize == eSymbolSizeUnknown) |
||
| 1930 | { |
||
| 1931 | if ((AdrLong >= -128) && (AdrLong <= 127)) |
||
| 1932 | OpSize = eSymbolSizeFloat32Bit; |
||
| 1933 | else |
||
| 1934 | { |
||
| 1935 | OpSize = eSymbolSize32Bit; |
||
| 1936 | AdrLong -= 2; |
||
| 1937 | } |
||
| 1938 | } |
||
| 1939 | else if (OpSize == eSymbolSize32Bit) |
||
| 1940 | AdrLong -= 2; |
||
| 1941 | if (OpSize == eSymbolSize32Bit) |
||
| 1942 | { |
||
| 1943 | if (!mSymbolQuestionable(Flags) && ((AdrLong < -32768) || (AdrLong > 32767))) WrError(ErrNum_JmpDistTooBig); |
||
| 1944 | else if (ChkCPU32(ErrNum_AddrModeNotSupported)) |
||
| 1945 | { |
||
| 1946 | CodeLen = 4; |
||
| 1947 | WAsmCode[0] = 0x5800 + (Code << 4); |
||
| 1948 | WAsmCode[1] = AdrLong & 0xffff; |
||
| 1949 | } |
||
| 1950 | } |
||
| 1951 | else |
||
| 1952 | { |
||
| 1953 | if (!mSymbolQuestionable(Flags) && ((AdrLong < -128) || (AdrLong > 127))) WrError(ErrNum_JmpDistTooBig); |
||
| 1954 | else |
||
| 1955 | { |
||
| 1956 | CodeLen = 2; |
||
| 1957 | WAsmCode[0] = 0x4000 + (Code << 8) + (AdrLong & 0xff); |
||
| 1958 | } |
||
| 1959 | } |
||
| 1960 | } |
||
| 1961 | } |
||
| 1962 | } |
||
| 1963 | |||
| 1964 | static void DecodeJMP_JSR(Word Code) |
||
| 1965 | { |
||
| 1966 | if (ChkArgCnt(1, 1)) |
||
| 1967 | { |
||
| 1968 | DecodeAdr(&ArgStr[1], MModIReg | ((CPU16) ? MModAbs16 : MModAbs24) | MModIIAbs); |
||
| 1969 | switch (AdrMode) |
||
| 1970 | { |
||
| 1971 | case ModIReg: |
||
| 1972 | CodeLen = 2; |
||
| 1973 | WAsmCode[0] = 0x5900 + Code + (AdrPart << 4); |
||
| 1974 | break; |
||
| 1975 | case ModAbs16: |
||
| 1976 | CodeLen = 4; |
||
| 1977 | WAsmCode[0] = 0x5a00 + Code; |
||
| 1978 | WAsmCode[1] = AdrVals[0]; |
||
| 1979 | break; |
||
| 1980 | case ModAbs24: |
||
| 1981 | CodeLen = 4; |
||
| 1982 | WAsmCode[0] = 0x5a00 + Code + Lo(AdrVals[0]); |
||
| 1983 | WAsmCode[1] = AdrVals[1]; |
||
| 1984 | break; |
||
| 1985 | case ModIIAbs: |
||
| 1986 | CodeLen = 2; |
||
| 1987 | WAsmCode[0] = 0x5b00 + Code + Lo(AdrVals[0]); |
||
| 1988 | break; |
||
| 1989 | } |
||
| 1990 | } |
||
| 1991 | } |
||
| 1992 | |||
| 1993 | static void DecodeBSR(Word Code) |
||
| 1994 | { |
||
| 1995 | UNUSED(Code); |
||
| 1996 | |||
| 1997 | if (!ChkArgCnt(1, 1)); |
||
| 1998 | else if ((OpSize != eSymbolSizeUnknown) && (OpSize != eSymbolSizeFloat32Bit) && (OpSize != eSymbolSize32Bit)) WrError(ErrNum_InvOpSize); |
||
| 1999 | else |
||
| 2000 | { |
||
| 2001 | Boolean OK; |
||
| 2002 | tSymbolFlags Flags; |
||
| 2003 | LongInt AdrLong = EvalStrIntExpressionWithFlags(&ArgStr[1], Int24, &OK, &Flags) - (EProgCounter() + 2); |
||
| 2004 | |||
| 2005 | if (OK) |
||
| 2006 | { |
||
| 2007 | if (OpSize == eSymbolSizeUnknown) |
||
| 2008 | { |
||
| 2009 | if ((AdrLong >= -128) && (AdrLong <= 127)) |
||
| 2010 | OpSize = eSymbolSizeFloat32Bit; |
||
| 2011 | else |
||
| 2012 | { |
||
| 2013 | OpSize = eSymbolSize32Bit; |
||
| 2014 | AdrLong -= 2; |
||
| 2015 | } |
||
| 2016 | } |
||
| 2017 | else |
||
| 2018 | { |
||
| 2019 | if (OpSize == eSymbolSize32Bit) |
||
| 2020 | AdrLong -= 2; |
||
| 2021 | } |
||
| 2022 | if (OpSize == eSymbolSize32Bit) |
||
| 2023 | { |
||
| 2024 | if (!mSymbolQuestionable(Flags) && ((AdrLong < -32768) || (AdrLong > 32767))) WrError(ErrNum_JmpDistTooBig); |
||
| 2025 | else if (ChkCPU32(ErrNum_AddrModeNotSupported)) |
||
| 2026 | { |
||
| 2027 | CodeLen = 4; |
||
| 2028 | WAsmCode[0] = 0x5c00; |
||
| 2029 | WAsmCode[1] = AdrLong & 0xffff; |
||
| 2030 | } |
||
| 2031 | } |
||
| 2032 | else |
||
| 2033 | { |
||
| 2034 | if ((AdrLong < -128) || (AdrLong > 127)) WrError(ErrNum_JmpDistTooBig); |
||
| 2035 | else |
||
| 2036 | { |
||
| 2037 | CodeLen = 2; |
||
| 2038 | WAsmCode[0] = 0x5500 + (AdrLong & 0xff); |
||
| 2039 | } |
||
| 2040 | } |
||
| 2041 | } |
||
| 2042 | } |
||
| 2043 | } |
||
| 2044 | |||
| 2045 | static void DecodeTRAPA(Word Code) |
||
| 2046 | { |
||
| 2047 | UNUSED(Code); |
||
| 2048 | |||
| 2049 | if (ChkArgCnt(1, 1) |
||
| 2050 | && ChkMinCPU(CPU6413309)) |
||
| 2051 | { |
||
| 2052 | Boolean OK; |
||
| 2053 | |||
| 2054 | WAsmCode[0] = EvalStrIntExpressionOffs(&ArgStr[1], !!(*ArgStr[1].str.p_str == '#'), UInt2, &OK) << 4; |
||
| 2055 | if (OK) |
||
| 2056 | { |
||
| 2057 | WAsmCode[0] += 0x5700; |
||
| 2058 | CodeLen = 2; |
||
| 2059 | } |
||
| 2060 | } |
||
| 2061 | } |
||
| 2062 | |||
| 2063 | /*!------------------------------------------------------------------------ |
||
| 2064 | * \fn DecodeBIT(Word Code) |
||
| 2065 | * \brief handle BIT instruction |
||
| 2066 | * ------------------------------------------------------------------------ */ |
||
| 2067 | |||
| 2068 | static void DecodeBIT(Word Code) |
||
| 2069 | { |
||
| 2070 | UNUSED(Code); |
||
| 2071 | |||
| 2072 | /* if in structure definition, add special element to structure */ |
||
| 2073 | |||
| 2074 | if ((OpSize != eSymbolSize8Bit) && (OpSize != eSymbolSizeUnknown)) |
||
| 2075 | { |
||
| 2076 | WrError(ErrNum_InvOpSize); |
||
| 2077 | return; |
||
| 2078 | } |
||
| 2079 | if (ActPC == StructSeg) |
||
| 2080 | { |
||
| 2081 | Boolean OK; |
||
| 2082 | Byte BitPos; |
||
| 2083 | PStructElem pElement; |
||
| 2084 | |||
| 2085 | if (!ChkArgCnt(2, 2)) |
||
| 2086 | return; |
||
| 2087 | BitPos = EvalBitPosition(&ArgStr[1], &OK); |
||
| 2088 | if (!OK) |
||
| 2089 | return; |
||
| 2090 | pElement = CreateStructElem(&LabPart); |
||
| 2091 | if (!pElement) |
||
| 2092 | return; |
||
| 2093 | pElement->pRefElemName = as_strdup(ArgStr[2].str.p_str); |
||
| 2094 | pElement->OpSize = eSymbolSize8Bit; |
||
| 2095 | pElement->BitPos = BitPos; |
||
| 2096 | pElement->ExpandFnc = ExpandBit_H8_3; |
||
| 2097 | AddStructElem(pInnermostNamedStruct->StructRec, pElement); |
||
| 2098 | } |
||
| 2099 | else |
||
| 2100 | { |
||
| 2101 | LongWord BitSpec; |
||
| 2102 | |||
| 2103 | if (DecodeBitArg(&BitSpec, 1, ArgCnt)) |
||
| 2104 | { |
||
| 2105 | *ListLine = '='; |
||
| 2106 | DissectBit_H8_3(ListLine + 1, STRINGSIZE - 3, BitSpec); |
||
| 2107 | PushLocHandle(-1); |
||
| 2108 | EnterIntSymbol(&LabPart, BitSpec, SegBData, False); |
||
| 2109 | PopLocHandle(); |
||
| 2110 | /* TODO: MakeUseList? */ |
||
| 2111 | } |
||
| 2112 | } |
||
| 2113 | } |
||
| 2114 | |||
| 2115 | /*-------------------------------------------------------------------------*/ |
||
| 2116 | /* dynamische Belegung/Freigabe Codetabellen */ |
||
| 2117 | |||
| 2118 | static void AddFixed(const char *NName, Word NCode) |
||
| 2119 | { |
||
| 2120 | AddInstTable(InstTable, NName, NCode, DecodeFixed); |
||
| 2121 | } |
||
| 2122 | |||
| 2123 | static void AddCond(const char *NName, Byte NCode) |
||
| 2124 | { |
||
| 2125 | AddInstTable(InstTable, NName, NCode, DecodeCond); |
||
| 2126 | } |
||
| 2127 | |||
| 2128 | static void AddShift(const char *NName, Word NCode) |
||
| 2129 | { |
||
| 2130 | AddInstTable(InstTable, NName, NCode, DecodeShift); |
||
| 2131 | } |
||
| 2132 | |||
| 2133 | static void AddLogic(const char *NName, const char *NNameBit, Word NCode) |
||
| 2134 | { |
||
| 2135 | AddInstTable(InstTable, NName, NCode, DecodeLogic); |
||
| 2136 | AddInstTable(InstTable, NNameBit, NCode, DecodeLogicBit); |
||
| 2137 | } |
||
| 2138 | |||
| 2139 | static void AddMul(const char *NName, Word NCode) |
||
| 2140 | { |
||
| 2141 | AddInstTable(InstTable, NName, NCode, DecodeMul); |
||
| 2142 | } |
||
| 2143 | |||
| 2144 | static void AddBit1(const char *NName, Word NCode) |
||
| 2145 | { |
||
| 2146 | AddInstTable(InstTable, NName, NCode, DecodeBit1); |
||
| 2147 | } |
||
| 2148 | |||
| 2149 | static void AddBit2(const char *NName, Word NCode) |
||
| 2150 | { |
||
| 2151 | AddInstTable(InstTable, NName, NCode, DecodeBit2); |
||
| 2152 | } |
||
| 2153 | |||
| 2154 | static void InitFields(void) |
||
| 2155 | { |
||
| 2156 | InstTable = CreateInstTable(203); |
||
| 2157 | |||
| 2158 | add_null_pseudo(InstTable); |
||
| 2159 | |||
| 2160 | AddInstTable(InstTable, "EEPMOV", 0, DecodeEEPMOV); |
||
| 2161 | AddInstTable(InstTable, "MOV", 0, DecodeMOV); |
||
| 2162 | AddInstTable(InstTable, "MOVTPE", 0x80, DecodeMOVTPE_MOVFPE); |
||
| 2163 | AddInstTable(InstTable, "MOVFPE", 0x00, DecodeMOVTPE_MOVFPE); |
||
| 2164 | AddInstTable(InstTable, "PUSH", 0x6df0, DecodePUSH_POP); |
||
| 2165 | AddInstTable(InstTable, "POP", 0x6d70, DecodePUSH_POP); |
||
| 2166 | AddInstTable(InstTable, "LDC", 0x00, DecodeLDC_STC); |
||
| 2167 | AddInstTable(InstTable, "STC", 0x80, DecodeLDC_STC); |
||
| 2168 | AddInstTable(InstTable, "ADD", 0, DecodeADD_SUB); |
||
| 2169 | AddInstTable(InstTable, "SUB", 1, DecodeADD_SUB); |
||
| 2170 | AddInstTable(InstTable, "CMP", 0, DecodeCMP); |
||
| 2171 | AddInstTable(InstTable, "ADDX", 0, DecodeADDX_SUBX); |
||
| 2172 | AddInstTable(InstTable, "SUBX", 1, DecodeADDX_SUBX); |
||
| 2173 | AddInstTable(InstTable, "ADDS", 0x0000, DecodeADDS_SUBS); |
||
| 2174 | AddInstTable(InstTable, "SUBS", 0x1000, DecodeADDS_SUBS); |
||
| 2175 | AddInstTable(InstTable, "INC", 0x0000, DecodeINC_DEC); |
||
| 2176 | AddInstTable(InstTable, "DEC", 0x1000, DecodeINC_DEC); |
||
| 2177 | AddInstTable(InstTable, "NEG", 0x80, DecodeNEG_NOT); |
||
| 2178 | AddInstTable(InstTable, "NOT", 0x00, DecodeNEG_NOT); |
||
| 2179 | AddInstTable(InstTable, "EXTS", 1, DecodeEXTS_EXTU); |
||
| 2180 | AddInstTable(InstTable, "EXTU", 0, DecodeEXTS_EXTU); |
||
| 2181 | AddInstTable(InstTable, "DAA", 0x0f00, DecodeDAA_DAS); |
||
| 2182 | AddInstTable(InstTable, "DAS", 0x1f00, DecodeDAA_DAS); |
||
| 2183 | AddInstTable(InstTable, "JMP", 0x0000, DecodeJMP_JSR); |
||
| 2184 | AddInstTable(InstTable, "JSR", 0x0400, DecodeJMP_JSR); |
||
| 2185 | AddInstTable(InstTable, "BSR", 0, DecodeBSR); |
||
| 2186 | AddInstTable(InstTable, "TRAPA", 0, DecodeTRAPA); |
||
| 2187 | |||
| 2188 | AddFixed("NOP", 0x0000); AddFixed("RTE" , 0x5670); |
||
| 2189 | AddFixed("RTS", 0x5470); AddFixed("SLEEP", 0x0180); |
||
| 2190 | |||
| 2191 | AddCond("BRA", 0x0); AddCond("BT" , 0x0); |
||
| 2192 | AddCond("BRN", 0x1); AddCond("BF" , 0x1); |
||
| 2193 | AddCond("BHI", 0x2); AddCond("BLS", 0x3); |
||
| 2194 | AddCond("BCC", 0x4); AddCond("BHS", 0x4); |
||
| 2195 | AddCond("BCS", 0x5); AddCond("BLO", 0x5); |
||
| 2196 | AddCond("BNE", 0x6); AddCond("BEQ", 0x7); |
||
| 2197 | AddCond("BVC", 0x8); AddCond("BVS", 0x9); |
||
| 2198 | AddCond("BPL", 0xa); AddCond("BMI", 0xb); |
||
| 2199 | AddCond("BGE", 0xc); AddCond("BLT", 0xd); |
||
| 2200 | AddCond("BGT", 0xe); AddCond("BLE", 0xf); |
||
| 2201 | |||
| 2202 | AddShift("ROTL" , 0x1280); AddShift("ROTR" , 0x1380); |
||
| 2203 | AddShift("ROTXL", 0x1200); AddShift("ROTXR", 0x1300); |
||
| 2204 | AddShift("SHAL" , 0x1080); AddShift("SHAR" , 0x1180); |
||
| 2205 | AddShift("SHLL" , 0x1000); AddShift("SHLR" , 0x1100); |
||
| 2206 | |||
| 2207 | AddLogic("OR", "ORC", 0); |
||
| 2208 | AddLogic("XOR", "XORC", 1); |
||
| 2209 | AddLogic("AND", "ANDC", 2); |
||
| 2210 | |||
| 2211 | AddMul("DIVXS", 3); |
||
| 2212 | AddMul("DIVXU", 1); |
||
| 2213 | AddMul("MULXS", 2); |
||
| 2214 | AddMul("MULXU", 0); |
||
| 2215 | |||
| 2216 | AddBit1("BAND", 0x16); AddBit1("BIAND", 0x96); |
||
| 2217 | AddBit1("BOR" , 0x14); AddBit1("BIOR" , 0x94); |
||
| 2218 | AddBit1("BXOR", 0x15); AddBit1("BIXOR", 0x95); |
||
| 2219 | AddBit1("BLD" , 0x17); AddBit1("BILD" , 0x97); |
||
| 2220 | AddBit1("BST" , 0x07); AddBit1("BIST" , 0x87); |
||
| 2221 | |||
| 2222 | AddBit2("BCLR", 2); |
||
| 2223 | AddBit2("BNOT", 1); |
||
| 2224 | AddBit2("BSET", 0); |
||
| 2225 | AddBit2("BTST", 3); |
||
| 2226 | |||
| 2227 | AddInstTable(InstTable, "REG", 0, CodeREG); |
||
| 2228 | AddInstTable(InstTable, "BIT", 0, DecodeBIT); |
||
| 2229 | AddMoto16Pseudo(InstTable, e_moto_pseudo_flags_be); |
||
| 2230 | } |
||
| 2231 | |||
| 2232 | static void DeinitFields(void) |
||
| 2233 | { |
||
| 2234 | DestroyInstTable(InstTable); |
||
| 2235 | } |
||
| 2236 | |||
| 2237 | /*-------------------------------------------------------------------------*/ |
||
| 2238 | |||
| 2239 | /*!------------------------------------------------------------------------ |
||
| 2240 | * \fn InternSymbol_H8_3(char *pArg, TempResult *pResult) |
||
| 2241 | * \brief handle built-in symbols on H8/300 |
||
| 2242 | * \param pArg source argument |
||
| 2243 | * \param pResult result buffer |
||
| 2244 | * ------------------------------------------------------------------------ */ |
||
| 2245 | |||
| 2246 | static void InternSymbol_H8_3(char *pArg, TempResult *pResult) |
||
| 2247 | { |
||
| 2248 | Byte Result; |
||
| 2249 | tSymbolSize Size; |
||
| 2250 | |||
| 2251 | if (DecodeRegCore(pArg, &Result, &Size)) |
||
| 2252 | { |
||
| 2253 | pResult->Typ = TempReg; |
||
| 2254 | pResult->DataSize = Size; |
||
| 2255 | pResult->Contents.RegDescr.Reg = Result; |
||
| 2256 | pResult->Contents.RegDescr.Dissect = DissectReg_H8_3; |
||
| 2257 | pResult->Contents.RegDescr.compare = NULL; |
||
| 2258 | } |
||
| 2259 | } |
||
| 2260 | |||
| 2261 | static Boolean DecodeAttrPart_H8_3(void) |
||
| 2262 | { |
||
| 2263 | if (*AttrPart.str.p_str) |
||
| 2264 | { |
||
| 2265 | if (strlen(AttrPart.str.p_str) != 1) |
||
| 2266 | { |
||
| 2267 | WrStrErrorPos(ErrNum_TooLongAttr, &AttrPart); |
||
| 2268 | return False; |
||
| 2269 | } |
||
| 2270 | if (!DecodeMoto16AttrSize(*AttrPart.str.p_str, &AttrPartOpSize[0], False)) |
||
| 2271 | return False; |
||
| 2272 | } |
||
| 2273 | return True; |
||
| 2274 | } |
||
| 2275 | |||
| 2276 | static void MakeCode_H8_3(void) |
||
| 2277 | { |
||
| 2278 | OpSize = eSymbolSizeUnknown; |
||
| 2279 | if (AttrPartOpSize[0] != eSymbolSizeUnknown) |
||
| 2280 | SetOpSize(AttrPartOpSize[0]); |
||
| 2281 | |||
| 2282 | if (!LookupInstTable(InstTable, OpPart.str.p_str)) |
||
| 2283 | WrStrErrorPos(ErrNum_UnknownInstruction, &OpPart); |
||
| 2284 | } |
||
| 2285 | |||
| 2286 | static Boolean IsDef_H8_3(void) |
||
| 2287 | { |
||
| 2288 | return Memo("REG") |
||
| 2289 | || Memo("BIT"); |
||
| 2290 | } |
||
| 2291 | |||
| 2292 | static void SwitchTo_H8_3(void) |
||
| 2293 | { |
||
| 2294 | TurnWords = True; |
||
| 2295 | SetIntConstMode(eIntConstModeMoto); |
||
| 2296 | |||
| 2297 | PCSymbol = "*"; |
||
| 2298 | HeaderID = 0x68; |
||
| 2299 | NOPCode = 0x0000; |
||
| 2300 | DivideChars = ","; |
||
| 2301 | HasAttrs = True; |
||
| 2302 | AttrChars = "."; |
||
| 2303 | |||
| 2304 | ValidSegs = 1 << SegCode; |
||
| 2305 | Grans[SegCode] = 1; |
||
| 2306 | ListGrans[SegCode] = 2; |
||
| 2307 | SegInits[SegCode] = 0; |
||
| 2308 | SegLimits[SegCode] = (MomCPU <= CPUH8_300) ? 0xffff : 0xffffffl; |
||
| 2309 | |||
| 2310 | DecodeAttrPart = DecodeAttrPart_H8_3; |
||
| 2311 | MakeCode = MakeCode_H8_3; |
||
| 2312 | IsDef = IsDef_H8_3; |
||
| 2313 | InternSymbol = InternSymbol_H8_3; |
||
| 2314 | DissectReg = DissectReg_H8_3; |
||
| 2315 | DissectBit = DissectBit_H8_3; |
||
| 2316 | QualifyQuote = QualifyQuote_SingleQuoteConstant; |
||
| 2317 | IntConstModeIBMNoTerm = True; |
||
| 2318 | SwitchFrom = DeinitFields; |
||
| 2319 | InitFields(); |
||
| 2320 | onoff_maxmode_add(); |
||
| 2321 | AddMoto16PseudoONOFF(False); |
||
| 2322 | |||
| 2323 | CPU16 = (MomCPU <= CPUH8_300); |
||
| 2324 | } |
||
| 2325 | |||
| 2326 | void codeh8_3_init(void) |
||
| 2327 | { |
||
| 2328 | CPUH8_300L = AddCPU("H8/300L" , SwitchTo_H8_3); |
||
| 2329 | CPU6413308 = AddCPU("HD6413308" , SwitchTo_H8_3); |
||
| 2330 | CPUH8_300 = AddCPU("H8/300" , SwitchTo_H8_3); |
||
| 2331 | CPU6413309 = AddCPU("HD6413309" , SwitchTo_H8_3); |
||
| 2332 | CPUH8_300H = AddCPU("H8/300H" , SwitchTo_H8_3); |
||
| 2333 | } |