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Rev | Author | Line No. | Line |
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1186 | savelij | 1 | /* code9331.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 | /* Code Generator Toshiba TC9331 */ |
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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 <ctype.h> |
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13 | #include <string.h> |
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14 | |||
15 | #include "bpemu.h" |
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16 | #include "strutil.h" |
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17 | #include "asmdef.h" |
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18 | #include "asmsub.h" |
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19 | #include "asmpars.h" |
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20 | #include "asmitree.h" |
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21 | #include "headids.h" |
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22 | #include "codevars.h" |
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23 | #include "errmsg.h" |
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24 | |||
25 | #include "code9331.h" |
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26 | |||
27 | static CPUVar CPU9331; |
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28 | |||
29 | static const char *pFNames[] = |
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30 | { |
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31 | "ZF", "SF", "V0F", "V1F", |
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32 | "LRF", "GF0", "GF1", "GF2", |
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33 | "GF3", "IFF0", "IFF1", "IFF2", |
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34 | NULL |
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35 | }; |
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36 | |||
37 | /* ------------------------------------------------------------------------- */ |
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38 | /* Common Subroutines */ |
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39 | |||
40 | static void StripComment(char *pArg) |
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41 | { |
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42 | char *pStart, *pEnd; |
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43 | |||
44 | while (True) |
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45 | { |
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46 | pStart = QuotPos(pArg, '('); |
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47 | if (!pStart) |
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48 | return; |
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49 | pEnd = QuotPos(pStart + 1, ')'); |
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50 | if (!pEnd) |
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51 | return; |
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52 | strmov(pStart, pEnd + 1); |
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53 | KillPrefBlanks(pArg); |
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54 | KillPostBlanks(pArg); |
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55 | } |
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56 | } |
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57 | |||
58 | static Boolean DecodeRegList(const char *pNames[], const char *pArg, LongWord *pResult) |
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59 | { |
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60 | if (!*pArg) |
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61 | { |
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62 | *pResult = 0; |
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63 | return True; |
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64 | } |
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65 | |||
66 | for (*pResult = 0; pNames[*pResult]; (*pResult)++) |
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67 | if (!as_strcasecmp(pArg, pNames[*pResult])) |
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68 | return True; |
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69 | |||
70 | WrXError(pNames == pFNames ? ErrNum_UndefCond : ErrNum_InvReg, pArg); |
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71 | return False; |
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72 | } |
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73 | |||
74 | static Boolean DecodeDSTA(const char *pArg, LongWord *pResult, IntType *pSize) |
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75 | { |
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76 | static const char *pNames[] = |
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77 | { |
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78 | "LC0", "LC1", "CP", "OFP", |
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79 | "DP0", "DP1", "DP2", "DP3", |
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80 | "MOD0", "MOD1", "MOD2", "MOD3", |
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81 | "DF0", "DF1", NULL |
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82 | }; |
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83 | |||
84 | if (!*pArg) |
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85 | { |
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86 | WrXError(ErrNum_InvReg, pArg); |
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87 | return False; |
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88 | } |
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89 | |||
90 | if (!DecodeRegList(pNames, pArg, pResult)) |
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91 | return False; |
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92 | |||
93 | if (3 == *pResult) |
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94 | *pSize = UInt6; |
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95 | else if (2 == *pResult) |
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96 | *pSize = UInt9; |
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97 | else |
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98 | *pSize = (*pResult <= 1) ? UInt8 : UInt7; |
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99 | return True; |
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100 | } |
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101 | |||
102 | static Boolean DecodeWRF(const char *pArg, LongWord *pResult) |
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103 | { |
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104 | static const char *pNames[] = |
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105 | { |
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106 | "WF0", "WF1", "WF2", "W1", |
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107 | NULL |
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108 | }; |
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109 | |||
110 | return DecodeRegList(pNames, pArg, pResult); |
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111 | } |
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112 | |||
113 | static Boolean DecodeDEST(const char *pArg, LongWord *pResult, Boolean AllowAll) |
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114 | { |
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115 | static const char *pNames[] = |
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116 | { |
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117 | "NOP", "X", "W0", "W1", |
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118 | "Y", "DP", "XAD", "PO", |
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119 | "SO0", "SO1", "SO2", "XD", |
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120 | "C", "O", "D", "B", |
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121 | "XA", "A", |
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122 | NULL |
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123 | }; |
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124 | Boolean Result; |
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125 | |||
126 | Result = DecodeRegList(pNames, pArg, pResult); |
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127 | if (!Result) |
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128 | return Result; |
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129 | |||
130 | switch (*pResult) |
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131 | { |
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132 | case 17: |
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133 | if (AllowAll) |
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134 | *pResult = 14; /* A -> D */ |
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135 | else |
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136 | Result = False; |
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137 | break; |
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138 | case 16: |
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139 | if (AllowAll) |
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140 | *pResult = 11; /* XA -> XD */ |
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141 | else |
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142 | Result = False; |
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143 | break; |
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144 | case 15: |
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145 | if (!AllowAll) |
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146 | Result = False; |
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147 | break; |
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148 | default: |
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149 | break; |
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150 | } |
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151 | if (!Result) |
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152 | WrXError(ErrNum_InvReg, pArg); |
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153 | return Result; |
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154 | } |
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155 | |||
156 | static Boolean DecodeSOUR(const char *pArg, LongWord *pResult, Boolean AllowAll) |
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157 | { |
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158 | static const char *pNames[] = |
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159 | { |
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160 | "RND", "X", "W0", "W1", |
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161 | "", "DP", "", "PI", |
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162 | "PO", "SI0", "SI1", "RMR", |
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163 | "C", "O", "D", "B", |
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164 | "A", |
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165 | NULL |
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166 | }; |
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167 | Boolean Result; |
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168 | |||
169 | Result = DecodeRegList(pNames, pArg, pResult); |
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170 | if (!Result) |
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171 | return Result; |
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172 | |||
173 | switch (*pResult) |
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174 | { |
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175 | case 16: |
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176 | if (AllowAll) |
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177 | *pResult = 14; /* A -> D */ |
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178 | else |
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179 | Result = False; |
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180 | break; |
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181 | case 15: |
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182 | if (!AllowAll) |
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183 | Result = False; |
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184 | break; |
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185 | default: |
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186 | break; |
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187 | } |
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188 | |||
189 | if (!Result) |
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190 | WrXError(ErrNum_InvReg, pArg); |
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191 | return Result; |
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192 | } |
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193 | |||
194 | static Boolean DecodeXCNT(const char *pArg, LongWord *pResult) |
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195 | { |
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196 | static const char *pNames[] = |
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197 | { |
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198 | "STBY", "XRD", "WRX", "XREF", |
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199 | NULL |
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200 | }; |
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201 | |||
202 | return DecodeRegList(pNames, pArg, pResult); |
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203 | } |
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204 | |||
205 | static Boolean DecodeXS(const char *pArg, LongWord *pResult) |
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206 | { |
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207 | static const char *pNames[] = |
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208 | { |
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209 | "X", "W", |
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210 | NULL |
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211 | }; |
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212 | |||
213 | return DecodeRegList(pNames, pArg, pResult); |
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214 | } |
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215 | |||
216 | static Boolean DecodeYS(const char *pArg, LongWord *pResult) |
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217 | { |
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218 | static const char *pNames[] = |
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219 | { |
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220 | "Y", "X", |
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221 | NULL |
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222 | }; |
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223 | |||
224 | return DecodeRegList(pNames, pArg, pResult); |
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225 | } |
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226 | |||
227 | static Boolean DecodeZS(const char *pArg, LongWord *pResult) |
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228 | { |
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229 | static const char *pNames[] = |
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230 | { |
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231 | "0", "W", "AC", |
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232 | NULL |
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233 | }; |
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234 | |||
235 | return DecodeRegList(pNames, pArg, pResult); |
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236 | } |
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237 | |||
238 | static Boolean DecodeWS(const char *pArg, LongWord *pResult) |
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239 | { |
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240 | static const char *pNames[] = |
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241 | { |
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242 | "W0", "W1", |
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243 | NULL |
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244 | }; |
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245 | |||
246 | return DecodeRegList(pNames, pArg, pResult); |
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247 | } |
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248 | |||
249 | static Boolean DecodeCP(const char *pArg, LongWord *pResult) |
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250 | { |
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251 | static const char *pNames[] = |
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252 | { |
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253 | "NOP", "CP+", |
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254 | NULL |
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255 | }; |
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256 | |||
257 | return DecodeRegList(pNames, pArg, pResult); |
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258 | } |
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259 | |||
260 | static Boolean DecodeDPS(const char *pArg, LongWord *pResult) |
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261 | { |
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262 | static const char *pNames[] = |
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263 | { |
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264 | "DP0", "DP1", "DP2", "DP3", |
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265 | NULL |
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266 | }; |
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267 | |||
268 | return DecodeRegList(pNames, pArg, pResult); |
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269 | } |
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270 | |||
271 | static Boolean DecodeMODE(const char *pArg, LongWord *pResult) |
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272 | { |
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273 | static const char *pNames[] = |
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274 | { |
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275 | "NOP", "", "-", "+", |
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276 | "-DF0", "+DF0", "-DF1", "+DF1", |
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277 | NULL |
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278 | }; |
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279 | |||
280 | return DecodeRegList(pNames, pArg, pResult); |
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281 | } |
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282 | |||
283 | static Boolean DecodeOFP(const char *pArg, LongWord *pResult) |
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284 | { |
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285 | static const char *pNames[] = |
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286 | { |
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287 | "NOP", "OFP+", |
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288 | NULL |
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289 | }; |
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290 | |||
291 | return DecodeRegList(pNames, pArg, pResult); |
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292 | } |
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293 | |||
294 | static Boolean DecodeER(const char *pArg, LongWord *pResult) |
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295 | { |
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296 | static const char *pNames[] = |
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297 | { |
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298 | "NOP", "ER", |
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299 | NULL |
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300 | }; |
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301 | |||
302 | return DecodeRegList(pNames, pArg, pResult); |
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303 | } |
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304 | |||
305 | static Boolean DecodeDSTB(const char *pArg, LongWord *pResult) |
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306 | { |
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307 | static const char *pNames[] = |
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308 | { |
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309 | "W1", "X", |
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310 | NULL |
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311 | }; |
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312 | |||
313 | return DecodeRegList(pNames, pArg, pResult); |
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314 | } |
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315 | |||
316 | static Boolean DecodeFORM(const char *pArg, LongWord *pResult) |
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317 | { |
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318 | static const char *pNames[] = |
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319 | { |
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320 | "L", "R", |
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321 | NULL |
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322 | }; |
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323 | |||
324 | return DecodeRegList(pNames, pArg, pResult); |
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325 | } |
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326 | |||
327 | static Boolean DecodeGFX(const char *pArg, LongWord *pResult) |
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328 | { |
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329 | static const char *pNames[] = |
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330 | { |
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331 | "GFS", "", "", "GFC", |
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332 | NULL |
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333 | }; |
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334 | |||
335 | if (!*pArg) |
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336 | { |
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337 | WrXError(ErrNum_InvReg, pArg); |
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338 | return False; |
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339 | } |
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340 | |||
341 | return DecodeRegList(pNames, pArg, pResult); |
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342 | } |
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343 | |||
344 | static Boolean DecodeGF(const char *pArg, LongWord *pResult) |
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345 | { |
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346 | static const char *pNames[] = |
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347 | { |
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348 | "GF0", "GF1", "GF2", "GF3", |
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349 | "OV0", "OV1", "FCHG", "BNK", |
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350 | NULL |
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351 | }; |
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352 | |||
353 | return DecodeRegList(pNames, pArg, pResult); |
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354 | } |
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355 | |||
356 | |||
357 | /* ------------------------------------------------------------------------- */ |
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358 | /* Instruction Decoders */ |
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359 | |||
360 | static void DecodeMAIN(Word Code) |
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361 | { |
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362 | LongWord Xs, Ys, Zs, Wrf, Ws, Cp, Dps, Mode, Dest, Sour, Xcnt, Ofp, Er, |
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363 | LCode = Lo(Code); |
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364 | Boolean UseZS = Hi(Code) || False; |
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365 | |||
366 | if (!ChkArgCnt(15, 15)); |
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367 | else if (*ArgStr[1].str.p_str) WrError(ErrNum_InvAddrMode); |
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368 | else if (!DecodeXS(ArgStr[3].str.p_str, &Xs)); |
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369 | else if (!DecodeYS(ArgStr[4].str.p_str, &Ys)); |
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370 | else if (!DecodeZS(ArgStr[5].str.p_str, &Zs)); |
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371 | else if (!DecodeWRF(ArgStr[6].str.p_str, &Wrf)); |
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372 | else if (!DecodeWS(ArgStr[7].str.p_str, &Ws)); |
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373 | else if (!DecodeCP(ArgStr[8].str.p_str, &Cp)); |
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374 | else if (!DecodeDPS(ArgStr[9].str.p_str, &Dps)); |
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375 | else if (!DecodeMODE(ArgStr[10].str.p_str, &Mode)); |
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376 | else if (!DecodeDEST(ArgStr[11].str.p_str, &Dest, True)); |
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377 | else if (!DecodeSOUR(ArgStr[12].str.p_str, &Sour, True)); |
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378 | else if (!DecodeXCNT(ArgStr[13].str.p_str, &Xcnt)); |
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379 | else if (Xcnt == 2) WrStrErrorPos(ErrNum_InvReg, &ArgStr[13]); |
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380 | else if (!DecodeOFP(ArgStr[14].str.p_str, &Ofp)); |
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381 | else if (!DecodeER(ArgStr[15].str.p_str, &Er)); |
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382 | else |
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383 | { |
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384 | Boolean OK = True; |
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385 | Word Shift; |
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386 | tSymbolFlags Flags = eSymbolFlag_None; |
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387 | |||
388 | Shift = *ArgStr[2].str.p_str ? EvalStrIntExpressionWithFlags(&ArgStr[2], UInt3, &OK, &Flags) : 0; |
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389 | if (mFirstPassUnknown(Flags)) |
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390 | Shift = 0; |
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391 | |||
392 | DAsmCode[0] = (LCode << 26) |
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393 | | (Xs << 24) | (Ys << 23) |
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394 | | (Wrf << 20) | (Ws << 22) | (Cp << 16) | (Dps << 13) |
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395 | | (Mode << 10) | (Dest << 0) | (Sour << 4) | (Xcnt << 8) |
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396 | | (Ofp << 15) | (Er << 25); |
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397 | if (UseZS) |
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398 | DAsmCode[0] |= (Zs << 26); |
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399 | switch (Shift) |
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400 | { |
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401 | case 0: |
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402 | break; |
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403 | case 1: |
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404 | DAsmCode[0] |= 0x00040000ul; |
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405 | break; |
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406 | case 4: |
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407 | DAsmCode[0] |= 0x00080000ul; |
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408 | break; |
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409 | default: |
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410 | WrStrErrorPos(ErrNum_InvShiftArg, &ArgStr[2]); |
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411 | return; |
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412 | } |
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413 | |||
414 | CodeLen = 1; |
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415 | } |
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416 | } |
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417 | |||
418 | static void DecodeLDA(Word Code) |
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419 | { |
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420 | LongWord DstA, Wrf, Dest, Sour, Xcnt; |
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421 | IntType IntSize; |
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422 | |||
423 | UNUSED(Code); |
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424 | |||
425 | if (!ChkArgCnt(7, 7)); |
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426 | else if (*ArgStr[1].str.p_str) WrError(ErrNum_InvAddrMode); |
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427 | else if (!DecodeDSTA(ArgStr[2].str.p_str, &DstA, &IntSize)); |
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428 | else if (!DecodeWRF(ArgStr[4].str.p_str, &Wrf)); |
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429 | else if (!DecodeDEST(ArgStr[5].str.p_str, &Dest, False)); |
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430 | else if (!DecodeSOUR(ArgStr[6].str.p_str, &Sour, False)); |
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431 | else if (Sour > 14) WrStrErrorPos(ErrNum_InvReg, &ArgStr[6]); |
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432 | else if (!DecodeXCNT(ArgStr[7].str.p_str, &Xcnt)); |
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433 | else if (Xcnt == 2) WrStrErrorPos(ErrNum_InvReg, &ArgStr[7]); |
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434 | else |
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435 | { |
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436 | Boolean OK; |
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437 | LongWord Value = EvalStrIntExpression(&ArgStr[3], IntSize, &OK); |
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438 | |||
439 | if (OK) |
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440 | { |
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441 | DAsmCode[0] = 0x04000000ul |
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442 | | (DstA << 22) | (Wrf << 20) | (Dest << 0) | (Sour << 4) | (Xcnt << 8) |
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443 | | ((Value << 10) & 0x7fc00); |
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444 | CodeLen = 1; |
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445 | } |
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446 | } |
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447 | } |
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448 | |||
449 | static void DecodeLDB(Word Code) |
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450 | { |
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451 | LongWord DstB, Form; |
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452 | |||
453 | UNUSED(Code); |
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454 | |||
455 | if (!ChkArgCnt(4, 4)); |
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456 | else if (*ArgStr[1].str.p_str) WrError(ErrNum_InvAddrMode); |
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457 | else if (!DecodeDSTB(ArgStr[2].str.p_str, &DstB)); |
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458 | else if (!DecodeFORM(ArgStr[4].str.p_str, &Form)); |
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459 | else |
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460 | { |
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461 | Boolean OK; |
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462 | LongWord Value = EvalStrIntExpression(&ArgStr[3], UInt24, &OK); |
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463 | |||
464 | if (OK) |
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465 | { |
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466 | DAsmCode[0] = 0x08000000ul |
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467 | | (DstB << 1) | (Form << 0) |
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468 | | ((Value & 0xffffff) << 2); |
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469 | CodeLen = 1; |
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470 | } |
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471 | } |
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472 | } |
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473 | |||
474 | static void DecodeBR(Word Code) |
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475 | { |
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476 | LongWord Cp, Dps, Mode, Dest, Sour, Xcnt, Ofp; |
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477 | |||
478 | if (!ChkArgCnt(9, 9)); |
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479 | else if (*ArgStr[1].str.p_str) WrError(ErrNum_InvAddrMode); |
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480 | else if (!DecodeCP(ArgStr[3].str.p_str, &Cp)); |
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481 | else if (!DecodeDPS(ArgStr[4].str.p_str, &Dps)); |
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482 | else if (!DecodeMODE(ArgStr[5].str.p_str, &Mode)); |
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483 | else if (!DecodeDEST(ArgStr[6].str.p_str, &Dest, False)); |
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484 | else if (!DecodeSOUR(ArgStr[7].str.p_str, &Sour, False)); |
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485 | else if (!DecodeXCNT(ArgStr[8].str.p_str, &Xcnt)); |
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486 | else if (!DecodeOFP(ArgStr[9].str.p_str, &Ofp)); |
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487 | else |
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488 | { |
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489 | Boolean OK; |
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490 | LongWord Address; |
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491 | tSymbolFlags Flags; |
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492 | |||
493 | Address = EvalStrIntExpressionWithFlags(&ArgStr[2], UInt9, &OK, &Flags); |
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494 | if (mFirstPassUnknown(Flags)) |
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495 | Address &= 0xff; |
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496 | if (OK && ChkRange(Address, 0, SegLimits[SegCode])) |
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497 | { |
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498 | DAsmCode[0] = (((LongWord)Code) << 26) |
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499 | | (Address << 17) | (Cp << 16) | (Dps << 13) | (Mode << 10) |
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500 | | (Dest << 0) | (Sour << 4) | (Xcnt << 8) | (Ofp << 15); |
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501 | CodeLen = 1; |
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502 | } |
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503 | } |
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504 | } |
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505 | |||
506 | static void DecodeJC(Word Code) |
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507 | { |
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508 | LongWord F, Cp, Dps, Mode, Dest, Sour, Xcnt, Ofp; |
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509 | |||
510 | if (!ChkArgCnt(10, 10)); |
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511 | else if (*ArgStr[1].str.p_str) WrError(ErrNum_InvAddrMode); |
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512 | else if (!DecodeRegList(pFNames, ArgStr[3].str.p_str, &F)); |
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513 | else if (!DecodeCP(ArgStr[4].str.p_str, &Cp)); |
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514 | else if (!DecodeDPS(ArgStr[5].str.p_str, &Dps)); |
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515 | else if (!DecodeMODE(ArgStr[6].str.p_str, &Mode)); |
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516 | else if (!DecodeDEST(ArgStr[7].str.p_str, &Dest, False)); |
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517 | else if (!DecodeSOUR(ArgStr[8].str.p_str, &Sour, False)); |
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518 | else if (!DecodeXCNT(ArgStr[9].str.p_str, &Xcnt)); |
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519 | else if (!DecodeOFP(ArgStr[10].str.p_str, &Ofp)); |
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520 | else |
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521 | { |
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522 | Boolean OK; |
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523 | LongWord Address; |
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524 | tSymbolFlags Flags; |
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525 | |||
526 | Address = EvalStrIntExpressionWithFlags(&ArgStr[2], UInt9, &OK, &Flags); |
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527 | if (mFirstPassUnknown(Flags)) |
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528 | Address &= 0xff; |
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529 | if (OK && ChkRange(Address, 0, SegLimits[SegCode])) |
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530 | { |
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531 | F = (F << 2) + ((LongWord)Code); |
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532 | DAsmCode[0] = (F << 24) |
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533 | | (Address << 17) | (Cp << 16) | (Dps << 13) | (Mode << 10) |
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534 | | (Dest << 0) | (Sour << 4) | (Xcnt << 8) | (Ofp << 15); |
||
535 | CodeLen = 1; |
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536 | } |
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537 | } |
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538 | } |
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539 | |||
540 | static void DecodeRET(Word Code) |
||
541 | { |
||
542 | LongWord Xs, Ys, Wrf, Ws, Cp, Dps, Mode, Dest, Sour, Xcnt, Ofp; |
||
543 | |||
544 | UNUSED(Code); |
||
545 | |||
546 | if (!ChkArgCnt(13, 13)); |
||
547 | else if (*ArgStr[1].str.p_str) WrError(ErrNum_InvAddrMode); |
||
548 | else if (!DecodeXS(ArgStr[3].str.p_str, &Xs)); |
||
549 | else if (!DecodeYS(ArgStr[4].str.p_str, &Ys)); |
||
550 | else if (!DecodeWRF(ArgStr[5].str.p_str, &Wrf)); |
||
551 | else if (!DecodeWS(ArgStr[6].str.p_str, &Ws)); |
||
552 | else if (!DecodeCP(ArgStr[7].str.p_str, &Cp)); |
||
553 | else if (!DecodeDPS(ArgStr[8].str.p_str, &Dps)); |
||
554 | else if (!DecodeMODE(ArgStr[9].str.p_str, &Mode)); |
||
555 | else if (!DecodeDEST(ArgStr[10].str.p_str, &Dest, True)); |
||
556 | else if (!DecodeSOUR(ArgStr[11].str.p_str, &Sour, True)); |
||
557 | else if (!DecodeXCNT(ArgStr[12].str.p_str, &Xcnt)); |
||
558 | else if (Xcnt == 2) WrStrErrorPos(ErrNum_InvReg, &ArgStr[12]); |
||
559 | else if (!DecodeOFP(ArgStr[13].str.p_str, &Ofp)); |
||
560 | else |
||
561 | { |
||
562 | Boolean OK = True; |
||
563 | Word Shift; |
||
564 | tSymbolFlags Flags = eSymbolFlag_None; |
||
565 | |||
566 | Shift = *ArgStr[2].str.p_str ? EvalStrIntExpressionWithFlags(&ArgStr[2], UInt3, &OK, &Flags) : 0; |
||
567 | if (mFirstPassUnknown(Flags)) |
||
568 | Shift = 0; |
||
569 | |||
570 | DAsmCode[0] = 0xc4000000ul |
||
571 | | (Xs << 24) | (Ys << 23) |
||
572 | | (Wrf << 20) | (Ws << 22) | (Cp << 16) | (Dps << 13) |
||
573 | | (Mode << 10) | (Dest << 0) | (Sour << 4) | (Xcnt << 8) |
||
574 | | (Ofp << 15); |
||
575 | switch (Shift) |
||
576 | { |
||
577 | case 0: |
||
578 | break; |
||
579 | case 1: |
||
580 | DAsmCode[0] |= 0x00040000ul; |
||
581 | break; |
||
582 | case 4: |
||
583 | DAsmCode[0] |= 0x00080000ul; |
||
584 | break; |
||
585 | default: |
||
586 | WrStrErrorPos(ErrNum_InvShiftArg, &ArgStr[2]); |
||
587 | return; |
||
588 | } |
||
589 | |||
590 | /* ??? */ |
||
591 | |||
592 | if ((Sour == 15) || (Dest == 15)) |
||
593 | DAsmCode[0] |= 0x00020000; |
||
594 | |||
595 | CodeLen = 1; |
||
596 | } |
||
597 | } |
||
598 | |||
599 | static void DecodeGMAx(Word Code) |
||
600 | { |
||
601 | LongWord Gfx, Gf, Wrf, Ws, Cp, Dps, Mode, Dest, Sour, Xcnt, Ofp; |
||
602 | |||
603 | if (!ChkArgCnt(12, 12)); |
||
604 | else if (*ArgStr[1].str.p_str) WrError(ErrNum_InvAddrMode); |
||
605 | else if (!DecodeGFX(ArgStr[2].str.p_str, &Gfx)); |
||
606 | else if (!DecodeGF(ArgStr[3].str.p_str, &Gf)); |
||
607 | else if (!DecodeWRF(ArgStr[4].str.p_str, &Wrf)); |
||
608 | else if (!DecodeWS(ArgStr[5].str.p_str, &Ws)); |
||
609 | else if (!DecodeCP(ArgStr[6].str.p_str, &Cp)); |
||
610 | else if (!DecodeDPS(ArgStr[7].str.p_str, &Dps)); |
||
611 | else if (!DecodeMODE(ArgStr[8].str.p_str, &Mode)); |
||
612 | else if (!DecodeDEST(ArgStr[9].str.p_str, &Dest, True)); |
||
613 | else if (!DecodeSOUR(ArgStr[10].str.p_str, &Sour, True)); |
||
614 | else if (!DecodeXCNT(ArgStr[11].str.p_str, &Xcnt)); |
||
615 | else if (Xcnt == 2) WrStrErrorPos(ErrNum_InvReg, &ArgStr[11]); |
||
616 | else if (!DecodeOFP(ArgStr[12].str.p_str, &Ofp)); |
||
617 | else |
||
618 | { |
||
619 | DAsmCode[0] = 0x0c000000ul | (((LongWord)Code) << 16) |
||
620 | | (Gfx << 28) | (Gf << 23) |
||
621 | | (Wrf << 20) | (Ws << 22) | (Cp << 16) | (Dps << 13) |
||
622 | | (Mode << 10) | (Dest << 0) | (Sour << 4) | (Xcnt << 8) |
||
623 | | (Ofp << 15); |
||
624 | |||
625 | /* ??? */ |
||
626 | |||
627 | if ((Sour == 15) || (Dest == 15)) |
||
628 | DAsmCode[0] |= 0x00020000; |
||
629 | |||
630 | CodeLen = 1; |
||
631 | } |
||
632 | } |
||
633 | |||
634 | /* ------------------------------------------------------------------------- */ |
||
635 | /* Dynamic Code Table Handling */ |
||
636 | |||
637 | static void InitFields(void) |
||
638 | { |
||
639 | InstTable = CreateInstTable(107); |
||
640 | |||
641 | AddInstTable(InstTable, "NOP", 0x0000, DecodeMAIN); |
||
642 | AddInstTable(InstTable, "AND", 0x0004, DecodeMAIN); |
||
643 | AddInstTable(InstTable, "OR", 0x0005, DecodeMAIN); |
||
644 | AddInstTable(InstTable, "XOR", 0x0006, DecodeMAIN); |
||
645 | AddInstTable(InstTable, "NOT", 0x0007, DecodeMAIN); |
||
646 | AddInstTable(InstTable, "SUB", 0x0108, DecodeMAIN); |
||
647 | AddInstTable(InstTable, "ABS", 0x000b, DecodeMAIN); |
||
648 | AddInstTable(InstTable, "CMP", 0x010c, DecodeMAIN); |
||
649 | AddInstTable(InstTable, "WCL", 0x0010, DecodeMAIN); |
||
650 | AddInstTable(InstTable, "WRS", 0x0011, DecodeMAIN); |
||
651 | AddInstTable(InstTable, "ACS", 0x0012, DecodeMAIN); |
||
652 | AddInstTable(InstTable, "MAD", 0x0114, DecodeMAIN); |
||
653 | AddInstTable(InstTable, "MADS", 0x0118, DecodeMAIN); |
||
654 | AddInstTable(InstTable, "DMAD", 0x001e, DecodeMAIN); |
||
655 | AddInstTable(InstTable, "DMAS", 0x001f, DecodeMAIN); |
||
656 | AddInstTable(InstTable, "LDA", 0, DecodeLDA); |
||
657 | AddInstTable(InstTable, "LDB", 0, DecodeLDB); |
||
658 | AddInstTable(InstTable, "JMP0", 0x20, DecodeBR); |
||
659 | AddInstTable(InstTable, "JMP1", 0x21, DecodeBR); |
||
660 | AddInstTable(InstTable, "JNZ0", 0x22, DecodeBR); |
||
661 | AddInstTable(InstTable, "JNZ1", 0x23, DecodeBR); |
||
662 | AddInstTable(InstTable, "JZ0", 0x32, DecodeBR); |
||
663 | AddInstTable(InstTable, "JZ1", 0x33, DecodeBR); |
||
664 | AddInstTable(InstTable, "CALL", 0x30, DecodeBR); |
||
665 | AddInstTable(InstTable, "JC", 0xd0, DecodeJC); |
||
666 | AddInstTable(InstTable, "JNC", 0x90, DecodeJC); |
||
667 | AddInstTable(InstTable, "RET", 0, DecodeRET); |
||
668 | AddInstTable(InstTable, "GMA" , 0, DecodeGMAx); |
||
669 | AddInstTable(InstTable, "GMAD", 4, DecodeGMAx); |
||
670 | AddInstTable(InstTable, "GMAS", 8, DecodeGMAx); |
||
671 | } |
||
672 | |||
673 | static void DeinitFields(void) |
||
674 | { |
||
675 | DestroyInstTable(InstTable); |
||
676 | } |
||
677 | |||
678 | /* ------------------------------------------------------------------------- */ |
||
679 | /* Adaptors */ |
||
680 | |||
681 | static void MakeCode_9331(void) |
||
682 | { |
||
683 | int z; |
||
684 | |||
685 | /* TC9331 knows default instructions: may be NOP or GF command */ |
||
686 | |||
687 | if (Memo("")) |
||
688 | { |
||
689 | switch (ArgCnt) |
||
690 | { |
||
691 | case 12: |
||
692 | strmaxcpy(OpPart.str.p_str, "GMA", sizeof(OpPart)); |
||
693 | break; |
||
694 | case 15: |
||
695 | strmaxcpy(OpPart.str.p_str, "NOP", sizeof(OpPart)); |
||
696 | break; |
||
697 | case 0: |
||
698 | return; |
||
699 | default: |
||
700 | WrStrErrorPos(ErrNum_UnknownInstruction, &OpPart); |
||
701 | return; |
||
702 | } |
||
703 | } |
||
704 | |||
705 | /* Toshiba assembler treats parts in ( ) as comments - trim them |
||
706 | out of the arguments. This will also break more complex formulas, |
||
707 | but you are not going to use them on a processor of 320 words |
||
708 | of program space anyway... */ |
||
709 | |||
710 | for (z = 1; z < ArgCnt; z++) |
||
711 | StripComment(ArgStr[z].str.p_str); |
||
712 | |||
713 | if (!LookupInstTable(InstTable, OpPart.str.p_str)) |
||
714 | WrStrErrorPos(ErrNum_UnknownInstruction, &OpPart); |
||
715 | } |
||
716 | |||
717 | static Boolean IsDef_9331(void) |
||
718 | { |
||
719 | return False; |
||
720 | } |
||
721 | |||
722 | static void SwitchFrom_9331(void) |
||
723 | { |
||
724 | DeinitFields(); |
||
725 | } |
||
726 | |||
727 | static void SwitchTo_9331(void) |
||
728 | { |
||
729 | const TFamilyDescr *pDescr; |
||
730 | |||
731 | pDescr = FindFamilyByName("TC9331"); |
||
732 | |||
733 | TurnWords = False; |
||
734 | SetIntConstMode(eIntConstModeIntel); |
||
735 | |||
736 | PCSymbol = "$"; |
||
737 | HeaderID = pDescr->Id; |
||
738 | NOPCode = 0x00000000; |
||
739 | DivideChars = ","; |
||
740 | HasAttrs = False; |
||
741 | |||
742 | ValidSegs = 1 << SegCode; |
||
743 | Grans[SegCode] = 4; ListGrans[SegCode] = 4; SegInits[SegCode] = 0; |
||
744 | SegLimits[SegCode] = 319; |
||
745 | |||
746 | MakeCode = MakeCode_9331; |
||
747 | IsDef = IsDef_9331; |
||
748 | SwitchFrom = SwitchFrom_9331; |
||
749 | InitFields(); |
||
750 | } |
||
751 | |||
752 | extern void code9331_init(void) |
||
753 | { |
||
754 | CPU9331 = AddCPU("TC9331", SwitchTo_9331); |
||
755 | } |