Rev 111 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 109 | savelij | 1 | |
| 111 | savelij | 2 | ;LAST UPDATE: 08.06.2013 savelij |
| 109 | savelij | 3 | |
| 4 | include macros.a80 |
||
| 5 | include sdcomand.a80 |
||
| 6 | include ports_ngs.a80 |
||
| 7 | include global_vars.a80 |
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| 8 | |||
| 110 | savelij | 9 | ;
BYTSSEC |
| 10 | ;
32 = 0XFF |
||
| 111 | savelij | 11 | ;
,
|
| 110 | savelij | 12 | |
| 111 | savelij | 13 | NGS EQU 1 ;0- ZSD, 1- NEOGS |
| 110 | savelij | 14 | CONV_NUMSEC EQU 1 ;0- , 1- |
| 109 | savelij | 15 | |
| 16 | ;
,
|
||
| 17 | IF NGS=1 |
||
| 111 | savelij | 18 | NUM_PAGE EQU 0X7F ; / |
| 19 | BUFF_SEC EQU 0X5000 ; |
||
| 20 | ADR_LOADING EQU 0X8000 ; / |
||
| 21 | ADR_EXEC EQU 0X6000 ; |
||
| 109 | savelij | 22 | ELSE |
| 111 | savelij | 23 | NUM_PAGE EQU 7 ; / |
| 24 | BUFF_SEC EQU 0X8000 ; |
||
| 25 | ADR_LOADING EQU 0XC000 ; / |
||
| 26 | ADR_EXEC EQU 0X6000 ; |
||
| 109 | savelij | 27 | ENDIF |
| 28 | |||
| 111 | savelij | 29 | ORG ADR_EXEC ;-> |
| 30 | DI |
||
| 109 | savelij | 31 | LD HL,F_PATH ; |
| 32 | LD A,NUM_PAGE ; / |
||
| 33 | CALL READ_CLS |
||
| 34 | |||
| 35 | JR $ |
||
| 36 | |||
| 37 | ; ,
8.3 |
||
| 111 | savelij | 38 | F_PATH IF NGS=0 |
| 39 | DB "DEMO/ANAMORIG.UDI",0 |
||
| 40 | ELSE |
||
| 41 | DB "MP3/MIC-RO~1.MP3",0 |
||
| 42 | ENDIF |
||
| 109 | savelij | 43 | ;
"DIR/DIR/FILE.EXT" 0
|
| 44 | |||
| 45 | ;--------------------------------- |
||
| 46 | ; |
||
| 47 | BUF512 EQU BUFF_SEC ;200 |
||
| 48 | TDIRCLS EQU BUF512+0X0200 ;400 ROOT |
||
| 49 | CAL_FAT EQU TDIRCLS+0X0400 ;1 FAT |
||
| 50 | BYTSSEC EQU CAL_FAT+1 ;1 |
||
| 51 | ROOTCLS EQU BYTSSEC+1 ;4 ROOT |
||
| 52 | ROOTSEC EQU ROOTCLS+4 ;2 ROOT |
||
| 53 | SEC_FAT EQU ROOTSEC+2 ;4 FAT |
||
| 54 | RSVDSEC EQU SEC_FAT+4 ;2 |
||
| 55 | STARTRZ EQU RSVDSEC+2 ;4 / |
||
| 56 | FRSTDAT EQU STARTRZ+4 ;4 BPB |
||
| 57 | SEC_DSC EQU FRSTDAT+4 ;4 / |
||
| 58 | CLS_DSC EQU SEC_DSC+4 ;4 / |
||
| 59 | FATSTR EQU CLS_DSC+4 ;4 FAT |
||
| 60 | ADRPATH EQU FATSTR+4 ;2 |
||
| 61 | STATUS EQU ADRPATH+2 ;1 LOAD_SD |
||
| 62 | OLD_SP EQU STATUS+1 ;2 |
||
| 63 | FB_EXT EQU OLD_SP+2 ;B 8.3 |
||
| 64 | LVL_DIR EQU FB_EXT+0X0B ;1 |
||
| 65 | LSTLOAD EQU LVL_DIR+1 ;4 |
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| 66 | |||
| 67 | ;SD
|
||
| 68 | ZAW003 LD A,0XEE |
||
| 69 | WR_STAT LD SP,(OLD_SP) |
||
| 70 | LD (STATUS),A |
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| 71 | IF NGS=1 |
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| 72 | RET |
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| 73 | ELSE |
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| 74 | CS__LOW PUSH AF |
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| 75 | LD A,1 |
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| 76 | OUT (P_CONF),A |
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| 77 | POP AF |
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| 78 | RET |
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| 79 | |||
| 80 | CS_HIGH PUSH AF |
||
| 81 | LD A,3 |
||
| 82 | OUT (P_CONF),A |
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| 83 | XOR A |
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| 84 | OUT (P_DATA),A |
||
| 85 | POP AF |
||
| 86 | RET |
||
| 87 | ENDIF |
||
| 88 | |||
| 89 | ;
|
||
| 90 | ;
:A- |
||
| 91 | ;HL-
|
||
| 92 | ;
. ROOT |
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| 93 | ;
: A= |
||
| 94 | ;0X00-OK |
||
| 95 | ;0XAA-
|
||
| 96 | ;0XDD-FAT
|
||
| 97 | ;0XEE-SD
|
||
| 98 | READ_CLS LD IYL,A;LY,A ; |
||
| 99 | LD (ADRPATH),HL ; |
||
| 100 | LD (OLD_SP),SP ; |
||
| 111 | savelij | 101 | LD A,0XFF |
| 102 | LD (LSTLOAD+3),A ; |
||
| 109 | savelij | 103 | IF NGS=1 |
| 104 | LD A,1 |
||
| 105 | OUT (GSCFG0),A ; , |
||
| 106 | LD A,%10011011 |
||
| 107 | OUT (SCTRL),A ; CS=1 SD |
||
| 108 | ELSE |
||
| 109 | CALL CS_HIGH |
||
| 110 | ENDIF |
||
| 111 | LD B,0X10 |
||
| 112 | LD A,0XFF |
||
| 113 | IF NGS=1 |
||
| 114 | OUT (SD_SEND),A ; 0X10 0XFF |
||
| 115 | ELSE |
||
| 116 | OUT (P_DATA),A |
||
| 117 | ENDIF |
||
| 118 | DJNZ $-4 |
||
| 119 | XOR A ;256 SD |
||
| 120 | EX AF,AF' |
||
| 121 | IF NGS=1 |
||
| 122 | LD A,1 |
||
| 123 | OUT (SCTRL),A ; SD CS=0 |
||
| 124 | ENDIF |
||
| 125 | ZAW001 LD HL,CMD00 |
||
| 126 | CALL OUTCOM ;
SPI 0 |
||
| 127 | CALL IN_OOUT ;
|
||
| 128 | EX AF,AF' |
||
| 129 | DEC A |
||
| 130 | JR Z,ZAW003 ; 256 |
||
| 131 | EX AF,AF' |
||
| 132 | DEC A |
||
| 133 | JR NZ,ZAW001 ;
1 |
||
| 134 | LD BC,SD_RSTR |
||
| 135 | LD HL,CMD08 |
||
| 136 | CALL OUTCOM ;
|
||
| 137 | CALL IN_OOUT ; "A"
R1 |
||
| 138 | IN H,(C) |
||
| 139 | NOP |
||
| 140 | IN H,(C) |
||
| 141 | NOP |
||
| 142 | IN H,(C) |
||
| 143 | NOP |
||
| 144 | IN H,(C) ;
|
||
| 145 | BIT 2,A ;
, |
||
| 146 | LD HL,0 ;
1.0 |
||
| 147 | JR NZ,ZAW006 ;
|
||
| 148 | LD H,0X40 ;
2.0 |
||
| 149 | ZAW006 LD A,CMD_55 |
||
| 150 | CALL OUT_COM ;
|
||
| 151 | CALL IN_OOUT |
||
| 152 | IF NGS=1 |
||
| 153 | LD BC,SD_SEND |
||
| 154 | ELSE |
||
| 155 | LD BC,P_DATA |
||
| 156 | ENDIF |
||
| 157 | LD A,ACMD_41 |
||
| 158 | OUT (C),A |
||
| 159 | LD A,H |
||
| 160 | OUT (C),A |
||
| 161 | XOR A |
||
| 162 | OUT (C),A |
||
| 163 | NOP |
||
| 164 | OUT (C),A |
||
| 165 | NOP |
||
| 166 | OUT (C),A |
||
| 167 | DEC A |
||
| 168 | OUT (C),A |
||
| 169 | CALL IN_OOUT |
||
| 170 | AND A |
||
| 171 | JR NZ,ZAW006 ;
|
||
| 172 | ZAW004 LD A,CMD_59 |
||
| 173 | CALL OUT_COM ;
CRC16 |
||
| 174 | CALL IN_OOUT |
||
| 175 | AND A |
||
| 176 | JR NZ,ZAW004 |
||
| 177 | ZAW005 LD HL,CMD16 |
||
| 178 | CALL OUTCOM ;
512 |
||
| 179 | CALL IN_OOUT |
||
| 180 | AND A |
||
| 181 | JR NZ,ZAW005 |
||
| 182 | |||
| 183 | ;
FAT |
||
| 184 | WC_FAT LD DE,0 |
||
| 185 | LD B,D |
||
| 186 | LD C,E |
||
| 187 | CALL LOADLST ;
0 |
||
| 188 | PUSH HL |
||
| 189 | POP IX |
||
| 190 | LD DE,0X01BE |
||
| 191 | ADD HL,DE ;
|
||
| 192 | LD A,(HL) ;
0,
|
||
| 193 | AND A |
||
| 194 | JR NZ,RDFAT05 ;
0,
|
||
| 195 | LD DE,4 |
||
| 196 | ADD HL,DE ;
|
||
| 197 | LD A,(HL) |
||
| 198 | LD B,0 |
||
| 199 | CP 1 ;FAT12? |
||
| 200 | JR Z,RDFAT06 |
||
| 201 | LD B,2 |
||
| 202 | CP 0X0B ;FAT32? |
||
| 203 | JR Z,RDFAT06 |
||
| 204 | CP 0X0C ;FAT32? |
||
| 205 | JR Z,RDFAT06 |
||
| 206 | LD B,1 |
||
| 207 | CP 6 ;FAT16? |
||
| 208 | JR Z,RDFAT06 |
||
| 209 | CP 4 ;FAT16? |
||
| 210 | JR Z,RDFAT06 |
||
| 211 | CP 0X0E ;FAT16? |
||
| 212 | JR NZ,RDFAT05 |
||
| 213 | RDFAT06 LD A,B ;
"B"
|
||
| 214 | LD (CAL_FAT),A ; |
||
| 215 | ADD HL,DE |
||
| 216 | CALL LOADZP ;
|
||
| 217 | JR RDFAT00 ;
|
||
| 218 | |||
| 219 | ;MBR
,
0
|
||
| 220 | RDFAT05 LD C,(IX+0X0D) ;C=
|
||
| 221 | XOR A |
||
| 222 | LD E,A |
||
| 223 | LD B,8 |
||
| 224 | RR C |
||
| 225 | ADC A,0 |
||
| 226 | DJNZ $-4 ;
2 |
||
| 227 | DEC A |
||
| 228 | JR NZ,$+3 ;
|
||
| 229 | INC E ;+1,
|
||
| 230 | LD A,(IX+0X0E) |
||
| 231 | OR (IX+0X0F) |
||
| 232 | JR Z,$+3 ;
>0 |
||
| 233 | INC E ;+1,
|
||
| 234 | LD A,(IX+0X13) |
||
| 235 | OR (IX+0X14) |
||
| 236 | JR NZ,$+3 ;
16? |
||
| 237 | INC E |
||
| 238 | LD A,(IX+0X20) |
||
| 239 | OR (IX+0X21) |
||
| 240 | OR (IX+0X22) |
||
| 241 | OR (IX+0X23) |
||
| 242 | JR NZ,$+3 ;
32? |
||
| 243 | INC E ; =0,
>0 |
||
| 244 | LD A,(IX+0X15) |
||
| 245 | AND 0XF0 |
||
| 246 | CP 0XF0 |
||
| 247 | JR NZ,$+3 ;
1 |
||
| 248 | INC E |
||
| 249 | LD A,E |
||
| 250 | CP 4 ; ? |
||
| 251 | LD A,0XDD ;FAT
|
||
| 252 | JP NZ,WR_STAT |
||
| 253 | LD A,0XFF |
||
| 254 | LD (CAL_FAT),A ;
|
||
| 255 | LD DE,0 |
||
| 256 | LD B,D |
||
| 257 | LD C,E |
||
| 258 | |||
| 259 | RDFAT00 LD (STARTRZ),DE |
||
| 260 | LD (STARTRZ+2),BC ;
|
||
| 261 | CALL LOADLST ;
|
||
| 262 | LD HL,0 |
||
| 263 | LD DE,(BUF512+0X16) ;BPB_FATSZ16 |
||
| 264 | LD A,D |
||
| 265 | OR E |
||
| 266 | JR NZ,RDFAT01 ;
FAT12/16 (BPB_FATSZ16=0) |
||
| 267 | LD DE,(BUF512+0X24) |
||
| 268 | LD HL,(BUF512+0X26) ;BPB_FATSZ32 |
||
| 269 | ;
+36 |
||
| 270 | RDFAT01 LD (SEC_FAT+2),HL |
||
| 271 | LD (SEC_FAT),DE ;
FAT- |
||
| 272 | LD HL,0 |
||
| 273 | LD DE,(BUF512+0X13) ;BPB_TOTSEC16 |
||
| 274 | LD A,D |
||
| 275 | OR E |
||
| 276 | JR NZ,RDFAT02 ;
FAT12/16 (BPB_TOTSEC16=0) |
||
| 277 | LD DE,(BUF512+0X20) |
||
| 278 | LD HL,(BUF512+0X22) ;BPB_TOTSEC32 |
||
| 279 | ;
+32 |
||
| 280 | RDFAT02 LD (SEC_DSC+2),HL |
||
| 281 | LD (SEC_DSC),DE ;-
/
|
||
| 282 | |||
| 283 | ;
ROOTDIRSECTORS |
||
| 284 | LD BC,(BUF512+0X0B) ;BPB_BYTSPERSEC |
||
| 285 | LD DE,(BUF512+0X11) ;BPB_ROOTENTCNT |
||
| 286 | LD HL,0 |
||
| 287 | LD A,D |
||
| 288 | OR E |
||
| 289 | JR Z,RDFAT03 |
||
| 290 | LD B,H |
||
| 291 | LD C,L |
||
| 292 | LD A,0X10 |
||
| 293 | CALL BCDE_A |
||
| 294 | EX DE,HL |
||
| 295 | |||
| 296 | ;
|
||
| 297 | ;ROOTDIRSECTORS=((BPB_ROOTENTCNT*32)+(BPB_BYTSPERSEC-1))/BPB_BYTSPERSEC |
||
| 298 | ; HL=ROOTDIRSECTORS.
FAT32, HL=0
|
||
| 299 | |||
| 300 | RDFAT03 PUSH HL ;ROOTDIRSECTORS |
||
| 301 | LD (ROOTSEC),HL |
||
| 302 | LD A,(BUF512+0X10) |
||
| 303 | LD DE,(SEC_FAT) |
||
| 304 | LD HL,(SEC_FAT+2) |
||
| 305 | DEC A |
||
| 306 | EX DE,HL |
||
| 307 | ADD HL,HL |
||
| 308 | EX DE,HL |
||
| 309 | ADC HL,HL |
||
| 310 | DEC A |
||
| 311 | JR NZ,$-6 |
||
| 312 | POP BC ;
FAT-
|
||
| 313 | CALL HLDEPBC ; ROOTDIRSECTORS |
||
| 314 | LD BC,(BUF512+0X0E) ;BPB_RSVDSECCNT |
||
| 315 | LD (RSVDSEC),BC |
||
| 316 | CALL HLDEPBC ; BPB_RESVDSECCNT |
||
| 317 | LD (FRSTDAT),DE |
||
| 318 | LD (FRSTDAT+2),HL ;
|
||
| 319 | LD B,H |
||
| 320 | LD C,L |
||
| 321 | LD HL,SEC_DSC ;BCDE+32-₯
HL |
||
| 322 | CALL BCDEHLM ; -
|
||
| 323 | LD A,(BUF512+0X0D) |
||
| 324 | LD (BYTSSEC),A |
||
| 325 | CALL BCDE_A ;
-
|
||
| 326 | LD (CLS_DSC),DE |
||
| 327 | LD (CLS_DSC+2),BC ; -
|
||
| 328 | |||
| 329 | LD A,(CAL_FAT) |
||
| 330 | CP 0XFF |
||
| 331 | JR NZ,RDFAT04 |
||
| 332 | ;
FAT MBR |
||
| 333 | LD DE,(SEC_FAT-1) |
||
| 334 | LD BC,(SEC_FAT+1) |
||
| 335 | LD E,0 ;BCDE=
*0X100 |
||
| 336 | PUSH BC |
||
| 337 | PUSH DE ; |
||
| 338 | SRL B |
||
| 339 | RR C |
||
| 340 | RR D |
||
| 341 | RR E ;BCDE=
*0X80 |
||
| 342 | LD HL,CLS_DSC ;
FAT |
||
| 343 | PUSH HL ; |
||
| 344 | CALL HLBCDEM ;
-(
*0X80) |
||
| 345 | LD A,E |
||
| 346 | AND 0X80 ;
128
FAT32 |
||
| 347 | OR D |
||
| 348 | OR C |
||
| 349 | OR B |
||
| 350 | LD A,2 |
||
| 351 | POP HL |
||
| 352 | POP DE |
||
| 353 | POP BC |
||
| 354 | JR Z,RDFAT04 ;FAT32
Z=0 |
||
| 355 | CALL HLBCDEM ;
-(
*0X100) |
||
| 356 | LD A,D |
||
| 357 | OR C |
||
| 358 | OR B |
||
| 359 | LD A,1 |
||
| 360 | JR Z,RDFAT04 ;FAT16
Z=0 |
||
| 361 | XOR A ;
FAT12 |
||
| 362 | |||
| 363 | ; FAT12/16
|
||
| 364 | ; FAT32
+44,
BCDE-
ROOTDIR |
||
| 365 | RDFAT04 LD (CAL_FAT),A ; |
||
| 366 | EX AF,AF' |
||
| 367 | LD DE,(RSVDSEC) |
||
| 368 | LD BC,0 |
||
| 369 | LD HL,STARTRZ |
||
| 370 | CALL BCDEHLP |
||
| 371 | LD (FATSTR),DE |
||
| 111 | savelij | 372 | LD (FATSTR+2),BC ; FAT-T |
| 109 | savelij | 373 | EX AF,AF' |
| 374 | AND A |
||
| 375 | LD DE,0 |
||
| 376 | LD B,D |
||
| 377 | LD C,E |
||
| 378 | JR Z,FSRROO2 ;FAT12-NONE |
||
| 379 | DEC A |
||
| 380 | JR Z,FSRROO2 ;FAT16 |
||
| 381 | LD DE,(BUF512+0X2C) |
||
| 382 | LD BC,(BUF512+0X2E) ;FAT32 |
||
| 383 | FSRROO2 LD (ROOTCLS),DE |
||
| 384 | LD (ROOTCLS+2),BC ;
ROOT
|
||
| 385 | |||
| 386 | XOR A |
||
| 387 | LD (LVL_DIR),A ;
ROOT
|
||
| 388 | LD HL,(ADRPATH) ;
|
||
| 389 | FINDFL1 PUSH BC |
||
| 390 | PUSH DE ;
|
||
| 391 | CALL FNDBUF ;
|
||
| 392 | POP DE |
||
| 393 | POP BC ;
|
||
| 394 | PUSH HL ;
|
||
| 395 | |||
| 396 | LD HL,TDIRCLS ;
|
||
| 397 | LD A,D |
||
| 398 | OR E |
||
| 399 | OR B |
||
| 400 | OR C |
||
| 401 | CALL SAVEZP ;
|
||
| 402 | JR Z,LASTCLS ;
0, ROOT ( 12/16) |
||
| 403 | NEXTCLS PUSH HL |
||
| 404 | CALL RDFATZP ;
|
||
| 405 | CALL LST_CLS ;
|
||
| 406 | POP HL |
||
| 407 | JR C,LASTCLS |
||
| 408 | CALL SAVEZP ;
|
||
| 409 | JR NEXTCLS ;
|
||
| 410 | |||
| 411 | LASTCLS LD BC,0XFFFF |
||
| 412 | CALL SAVEZP ;
|
||
| 413 | EXX |
||
| 414 | LD HL,LVL_DIR |
||
| 415 | LD A,(HL) ;
|
||
| 416 | INC (HL) ;
|
||
| 417 | AND A |
||
| 112 | savelij | 418 | LD BC,0 ;
ROOT
|
| 109 | savelij | 419 | JR NZ,LASTCLS1 |
| 420 | LD A,(CAL_FAT) |
||
| 421 | CP 2 |
||
| 422 | JR NC,LASTCLS1 |
||
| 423 | LD HL,(ROOTSEC) ;
ROOT
|
||
| 424 | ADD HL,HL |
||
| 425 | ADD HL,HL |
||
| 426 | ADD HL,HL |
||
| 427 | ADD HL,HL |
||
| 428 | ADD HL,HL |
||
| 429 | LD B,H |
||
| 430 | LD C,L |
||
| 431 | LASTCLS1 EXX |
||
| 432 | FINDFL INC BC ;
0 |
||
| 433 | CALL RDDIRSC ;
|
||
| 434 | LD A,C |
||
| 435 | AND 0X0F ;
16
|
||
| 436 | LD E,A |
||
| 437 | LD D,0 |
||
| 438 | EX DE,HL |
||
| 439 | ADD HL,HL |
||
| 440 | ADD HL,HL |
||
| 441 | ADD HL,HL |
||
| 442 | ADD HL,HL |
||
| 443 | ADD HL,HL |
||
| 444 | ADD HL,DE ;
|
||
| 445 | EXX |
||
| 446 | DEC BC |
||
| 447 | LD A,B |
||
| 448 | OR C ;
ROOT
|
||
| 449 | EXX |
||
| 450 | LD A,0XAA |
||
| 451 | JP Z,WR_STAT |
||
| 452 | LD A,(HL) ;
|
||
| 453 | AND A |
||
| 454 | LD A,0XAA ;
=0, |
||
| 455 | JP Z,WR_STAT ;
=
|
||
| 456 | PUSH HL |
||
| 457 | PUSH BC |
||
| 458 | CALL COMPARE ;
|
||
| 459 | POP BC |
||
| 460 | POP DE |
||
| 461 | PUSH DE |
||
| 462 | POP IX ;
IX=
|
||
| 463 | JR NZ,FINDFL ;
,
|
||
| 464 | CALL RD_CLAS ;
|
||
| 465 | EX (SP),HL ;
|
||
| 466 | INC SP |
||
| 467 | INC SP ;
|
||
| 468 | LD A,(HL) |
||
| 469 | AND A ;
? |
||
| 470 | JR NZ,FINDFL1 ;
,
|
||
| 471 | LD A,(IX+0X0B) ;
? |
||
| 472 | AND 0X10 |
||
| 473 | LD A,0XAA ;
, |
||
| 474 | JP NZ,WR_STAT ;
|
||
| 475 | FINDFL2 LD A,IYL |
||
| 476 | DEC IYL |
||
| 477 | IF NGS=1 |
||
| 478 | OUT (MPAG),A ;
|
||
| 479 | ELSE |
||
| 480 | CALL PAGE_7FFD |
||
| 481 | ENDIF |
||
| 482 | LD HL,ADR_LOADING |
||
| 483 | FINDFL3 IF CONV_NUMSEC=1 |
||
| 484 | PUSH BC |
||
| 485 | PUSH DE |
||
| 110 | savelij | 486 | PUSH HL |
| 109 | savelij | 487 | CALL REALSEC ;
|
| 110 | savelij | 488 | POP HL |
| 109 | savelij | 489 | CALL SAVEZP ;
|
| 490 | POP DE |
||
| 491 | POP BC |
||
| 492 | ELSE |
||
| 493 | CALL SAVEZP ;
|
||
| 494 | ENDIF |
||
| 495 | LD A,H |
||
| 496 | AND A |
||
| 110 | savelij | 497 | JR Z,FINDFL2 ;
|
| 109 | savelij | 498 | PUSH HL |
| 499 | CALL RDFATZP |
||
| 500 | CALL LST_CLS |
||
| 501 | POP HL |
||
| 502 | JR NC,FINDFL3 |
||
| 110 | savelij | 503 | XOR A |
| 504 | LD B,0XFF |
||
| 505 | JP SAVEZP ;
= FF |
||
| 109 | savelij | 506 | |
| 507 | SAVEZP LD (HL),E |
||
| 508 | INC HL |
||
| 509 | LD (HL),D |
||
| 510 | INC HL |
||
| 511 | LD (HL),C |
||
| 512 | INC HL |
||
| 513 | LD (HL),B |
||
| 514 | INC HL |
||
| 515 | RET |
||
| 516 | |||
| 517 | LOADZP LD E,(HL) |
||
| 518 | INC HL |
||
| 519 | LD D,(HL) |
||
| 520 | INC HL |
||
| 521 | LD C,(HL) |
||
| 522 | INC HL |
||
| 523 | LD B,(HL) |
||
| 524 | INC HL |
||
| 525 | RET |
||
| 526 | |||
| 527 | ;
DIR
BC |
||
| 528 | RDDIRSC PUSH BC |
||
| 529 | LD D,B |
||
| 530 | LD E,C |
||
| 531 | LD BC,0 |
||
| 532 | LD A,0X10 |
||
| 533 | CALL BCDE_A |
||
| 534 | LD A,E |
||
| 535 | PUSH AF |
||
| 536 | LD A,(BYTSSEC) |
||
| 537 | PUSH AF |
||
| 538 | CALL BCDE_A |
||
| 539 | LD HL,TDIRCLS |
||
| 540 | EX DE,HL |
||
| 541 | ADD HL,HL |
||
| 542 | ADD HL,HL |
||
| 543 | ADD HL,DE |
||
| 544 | CALL LOADZP |
||
| 545 | CALL REALSEC |
||
| 546 | POP AF |
||
| 547 | DEC A |
||
| 548 | LD L,A |
||
| 549 | POP AF |
||
| 550 | AND L |
||
| 551 | LD L,A |
||
| 552 | LD H,0 |
||
| 553 | ADD HL,DE |
||
| 554 | EX DE,HL |
||
| 555 | LD HL,0 |
||
| 556 | ADC HL,BC |
||
| 557 | LD B,H |
||
| 558 | LD C,L |
||
| 559 | CALL LOADLST |
||
| 560 | POP BC |
||
| 561 | RET |
||
| 562 | |||
| 563 | ;
|
||
| 564 | LST_CLS LD A,(CAL_FAT) ; |
||
| 565 | AND A |
||
| 566 | JR NZ,LST_CL1 |
||
| 567 | LD HL,0X0FF7 ;
12 |
||
| 568 | SBC HL,DE |
||
| 569 | RET |
||
| 570 | |||
| 571 | LST_CL1 DEC A |
||
| 572 | JR NZ,LST_CL2 |
||
| 573 | LST_CL3 LD HL,0XFFF7 ;
16 32 |
||
| 574 | SBC HL,DE |
||
| 575 | RET |
||
| 576 | |||
| 577 | LST_CL2 LD HL,0X0FFF ;
32 |
||
| 578 | SBC HL,BC |
||
| 579 | RET NZ |
||
| 580 | JR LST_CL3 |
||
| 581 | |||
| 582 | ;
|
||
| 583 | RDFATZP LD A,(CAL_FAT) ;
|
||
| 584 | AND A |
||
| 585 | JR Z,RDFATS0 ;
12 |
||
| 586 | DEC A |
||
| 587 | JR Z,RDFATS1 ;
16 |
||
| 588 | EX DE,HL ;
32 |
||
| 589 | ADD HL,HL |
||
| 590 | EX DE,HL |
||
| 591 | LD HL,0 |
||
| 592 | ADC HL,BC |
||
| 593 | ADC HL,BC ;
2 |
||
| 594 | LD A,E |
||
| 595 | LD E,D |
||
| 596 | LD D,L |
||
| 597 | LD C,H |
||
| 598 | LD B,0 ;
256 |
||
| 599 | CALL RDFATS2 ;
16
16 |
||
| 600 | INC HL |
||
| 601 | LD C,(HL) |
||
| 602 | INC HL |
||
| 603 | LD B,(HL) ;
16 |
||
| 604 | RET |
||
| 605 | |||
| 606 | ;
16
16 |
||
| 607 | RDFATS1 LD BC,0 |
||
| 608 | LD A,E |
||
| 609 | LD E,D |
||
| 610 | LD D,C ;
256,
16 =0 |
||
| 611 | RDFATS2 PUSH AF ;
16
16/32 |
||
| 612 | PUSH BC |
||
| 613 | LD HL,FATSTR |
||
| 614 | CALL BCDEHLP ;
|
||
| 615 | CALL LOADLST ;
|
||
| 616 | POP BC |
||
| 617 | POP AF |
||
| 618 | LD E,A |
||
| 619 | LD D,0 |
||
| 620 | ADD HL,DE |
||
| 621 | ADD HL,DE ;
|
||
| 622 | LD E,(HL) |
||
| 623 | INC HL |
||
| 624 | LD D,(HL) ; 16
|
||
| 625 | RET |
||
| 626 | |||
| 627 | ;
12
12 |
||
| 628 | RDFATS0 LD H,D |
||
| 629 | LD L,E |
||
| 630 | ADD HL,HL |
||
| 631 | ADD HL,DE ;HL=HL*3 |
||
| 632 | SRL H |
||
| 633 | RR L ;HL=HL/2 -
1,5 |
||
| 634 | LD A,E ;A-
|
||
| 635 | LD E,H |
||
| 636 | LD D,0 |
||
| 637 | LD B,D |
||
| 638 | LD C,D ;
256 |
||
| 639 | SRL E |
||
| 640 | PUSH AF |
||
| 641 | PUSH HL |
||
| 642 | LD HL,FATSTR |
||
| 643 | CALL BCDEHLP ;
|
||
| 644 | CALL LOADLST ;
|
||
| 645 | POP BC |
||
| 646 | LD A,B |
||
| 647 | AND 1 |
||
| 648 | LD B,A ;BC=
|
||
| 649 | ADD HL,BC ;HL=
|
||
| 650 | LD B,(HL) ;
|
||
| 651 | INC HL ;
|
||
| 652 | LD A,H |
||
| 653 | CP HIGH (BUF512)+2 ;
|
||
| 654 | JR NZ,RDFATS4 |
||
| 655 | PUSH BC ;
|
||
| 656 | LD BC,0 |
||
| 657 | INC DE |
||
| 658 | CALL LOADLST ;
|
||
| 659 | POP BC |
||
| 660 | RDFATS4 POP AF |
||
| 661 | LD D,(HL) ;
|
||
| 662 | LD E,B ;
DE=
|
||
| 663 | LD BC,0 |
||
| 664 | RRA ;
0
|
||
| 665 | JR NC,RDFATS3 |
||
| 666 | SRL D ;
12 |
||
| 667 | RR E |
||
| 668 | SRL D |
||
| 669 | RR E |
||
| 670 | SRL D |
||
| 671 | RR E |
||
| 672 | SRL D |
||
| 673 | RR E |
||
| 674 | RDFATS3 LD A,D |
||
| 675 | AND 0X0F |
||
| 676 | LD D,A ;
4
|
||
| 677 | RET |
||
| 678 | |||
| 679 | ;
|
||
| 680 | ;
BCDE=
FAT |
||
| 681 | ;
BCDE=
|
||
| 682 | REALSEC LD A,B |
||
| 683 | OR C |
||
| 684 | OR D |
||
| 685 | OR E |
||
| 686 | JR NZ,REALSE1 ;BCDE=0? |
||
| 687 | LD HL,SEC_FAT ; ROOT
12/16 |
||
| 688 | LD DE,(FATSTR) ;
ROOT
|
||
| 689 | LD BC,(FATSTR+2) |
||
| 690 | PUSH HL |
||
| 691 | CALL BCDEHLP ;
|
||
| 692 | POP HL |
||
| 693 | JP BCDEHLP ;
ROOT |
||
| 694 | |||
| 695 | REALSE1 LD HL,0XFFFE |
||
| 696 | EX DE,HL |
||
| 697 | ADD HL,DE |
||
| 698 | EX DE,HL |
||
| 699 | INC HL |
||
| 700 | ADC HL,BC ;HLDE=
-2 |
||
| 701 | LD A,(BYTSSEC) ;
|
||
| 702 | JR REALSE2 |
||
| 703 | |||
| 704 | REALSE3 SLA E |
||
| 705 | RL D |
||
| 706 | RL L |
||
| 707 | RL H |
||
| 708 | REALSE2 RRCA |
||
| 709 | JR NC,REALSE3 ;
|
||
| 710 | LD B,H |
||
| 711 | LD C,L |
||
| 712 | LD HL,STARTRZ |
||
| 713 | CALL BCDEHLP ;
|
||
| 714 | LD HL,FRSTDAT |
||
| 715 | JP BCDEHLP ;
|
||
| 716 | |||
| 717 | ;BCDE=BCDE/512 |
||
| 718 | BCDE200 LD E,D |
||
| 719 | LD D,C |
||
| 720 | LD C,B |
||
| 721 | LD B,0 |
||
| 722 | LD A,2 |
||
| 723 | JR BCDE_A |
||
| 724 | |||
| 725 | ;BCDE>>A=BCDE |
||
| 726 | BCDE_A1 SRL B |
||
| 727 | RR C |
||
| 728 | RR D |
||
| 729 | RR E |
||
| 730 | BCDE_A RRCA |
||
| 731 | JR NC,BCDE_A1 |
||
| 732 | RET |
||
| 733 | |||
| 734 | ;(ADR)-BCDE=BCDE |
||
| 735 | BCDEHLM LD A,(HL) |
||
| 736 | INC HL |
||
| 737 | SUB E |
||
| 738 | LD E,A |
||
| 739 | LD A,(HL) |
||
| 740 | INC HL |
||
| 741 | SBC A,D |
||
| 742 | LD D,A |
||
| 743 | LD A,(HL) |
||
| 744 | INC HL |
||
| 745 | SBC A,C |
||
| 746 | LD C,A |
||
| 747 | LD A,(HL) |
||
| 748 | SBC A,B |
||
| 749 | LD B,A |
||
| 750 | RET |
||
| 751 | |||
| 752 | ;(ADR)+BCDE=BCDE |
||
| 753 | BCDEHLP LD A,(HL) |
||
| 754 | INC HL |
||
| 755 | ADD A,E |
||
| 756 | LD E,A |
||
| 757 | LD A,(HL) |
||
| 758 | INC HL |
||
| 759 | ADC A,D |
||
| 760 | LD D,A |
||
| 761 | LD A,(HL) |
||
| 762 | INC HL |
||
| 763 | ADC A,C |
||
| 764 | LD C,A |
||
| 765 | LD A,(HL) |
||
| 766 | ADC A,B |
||
| 767 | LD B,A |
||
| 768 | RET |
||
| 769 | |||
| 770 | ;HLDE+BC=HLDE |
||
| 771 | HLDEPBC EX DE,HL |
||
| 772 | ADD HL,BC |
||
| 773 | EX DE,HL |
||
| 774 | LD BC,0 |
||
| 775 | ADC HL,BC |
||
| 776 | RET |
||
| 777 | |||
| 778 | ;BCDE-(ADR)=BCDE |
||
| 779 | HLBCDEM LD A,E |
||
| 780 | SUB (HL) |
||
| 781 | INC HL |
||
| 782 | LD E,A |
||
| 783 | LD A,D |
||
| 784 | SBC A,(HL) |
||
| 785 | INC HL |
||
| 786 | LD D,A |
||
| 787 | LD A,C |
||
| 788 | SBC A,(HL) |
||
| 789 | INC HL |
||
| 790 | LD C,A |
||
| 791 | LD A,B |
||
| 792 | SBC A,(HL) |
||
| 793 | LD B,A |
||
| 794 | RET |
||
| 795 | |||
| 796 | ;
|
||
| 797 | LOADLST CALL CPNUMSC ;
|
||
| 798 | JR NZ,LOADLST1 |
||
| 799 | LD HL,BUF512 ;
|
||
| 800 | RET |
||
| 801 | |||
| 802 | LOADLST1 LD (LSTLOAD+2),BC |
||
| 803 | LD (LSTLOAD),DE ;
|
||
| 804 | LD HL,BUF512 ;
|
||
| 805 | LD A,1 ; 1
|
||
| 806 | PUSH HL |
||
| 807 | CALL RDMULTI ;
|
||
| 808 | POP HL ;
HL=
|
||
| 809 | RET |
||
| 810 | |||
| 811 | ;
|
||
| 812 | CPNUMSC LD HL,LSTLOAD |
||
| 813 | LD A,(HL) |
||
| 814 | INC HL |
||
| 815 | CP E |
||
| 816 | RET NZ |
||
| 817 | LD A,(HL) |
||
| 818 | INC HL |
||
| 819 | CP D |
||
| 820 | RET NZ |
||
| 821 | LD A,(HL) |
||
| 822 | INC HL |
||
| 823 | CP C |
||
| 824 | RET NZ |
||
| 825 | LD A,(HL) |
||
| 826 | CP B |
||
| 827 | RET |
||
| 828 | |||
| 829 | ; SD
|
||
| 830 | OUTCOM PUSH BC |
||
| 831 | IF NGS=1 |
||
| 832 | LD BC,0X0600+SD_SEND ; 6 |
||
| 833 | ELSE |
||
| 834 | LD BC,0X600+P_DATA |
||
| 835 | ENDIF |
||
| 836 | OTIR |
||
| 837 | POP BC |
||
| 838 | RET |
||
| 839 | |||
| 840 | ; SD
0 |
||
| 841 | OUT_COM PUSH BC |
||
| 842 | IF NGS=1 |
||
| 843 | LD BC,SD_SEND |
||
| 844 | ELSE |
||
| 845 | CALL CS__LOW |
||
| 846 | LD BC,P_DATA |
||
| 847 | ENDIF |
||
| 848 | OUT (C),A ; |
||
| 849 | XOR A |
||
| 850 | OUT (C),A ; 31-24
|
||
| 851 | NOP |
||
| 852 | OUT (C),A ; 23-16
|
||
| 853 | NOP |
||
| 854 | OUT (C),A ; 15-8
|
||
| 855 | NOP |
||
| 856 | OUT (C),A ; 7-0
|
||
| 857 | DEC A |
||
| 858 | OUT (C),A ;
CRC16 |
||
| 859 | POP BC |
||
| 860 | RET |
||
| 861 | |||
| 862 | SECM200 PUSH HL |
||
| 863 | PUSH BC |
||
| 864 | LD A,CMD_58 |
||
| 865 | CALL OUT_COM |
||
| 866 | CALL IN_OOUT |
||
| 867 | IF NGS=1 |
||
| 868 | LD BC,SD_RSTR |
||
| 869 | ELSE |
||
| 870 | LD BC,P_DATA |
||
| 871 | ENDIF |
||
| 872 | IN H,(C) |
||
| 873 | NOP |
||
| 874 | IN A,(C) |
||
| 875 | NOP |
||
| 876 | IN A,(C) |
||
| 877 | NOP |
||
| 878 | IN A,(C) |
||
| 879 | BIT 6,H |
||
| 880 | POP HL |
||
| 881 | JR NZ,SECN200 |
||
| 882 | EX DE,HL |
||
| 883 | ADD HL,HL |
||
| 884 | EX DE,HL |
||
| 885 | ADC HL,HL |
||
| 886 | LD H,L |
||
| 887 | LD L,D |
||
| 888 | LD D,E |
||
| 889 | LD E,0 |
||
| 890 | SECN200 LD A,CMD_18 |
||
| 891 | IF NGS=1 |
||
| 892 | LD C,SD_SEND |
||
| 893 | ELSE |
||
| 894 | LD C,P_DATA |
||
| 895 | ENDIF |
||
| 896 | OUT (C),A |
||
| 897 | NOP |
||
| 898 | OUT (C),H |
||
| 899 | NOP |
||
| 900 | OUT (C),L |
||
| 901 | NOP |
||
| 902 | OUT (C),D |
||
| 903 | NOP |
||
| 904 | OUT (C),E |
||
| 905 | LD A,0XFF |
||
| 906 | OUT (C),A |
||
| 907 | POP HL |
||
| 908 | RET |
||
| 909 | |||
| 910 | IN_OOUT EXX |
||
| 911 | LD DE,0X20FF |
||
| 912 | IN_WAIT IF NGS=1 |
||
| 913 | IN A,(SD_RSTR) |
||
| 914 | ELSE |
||
| 915 | IN A,(P_DATA) |
||
| 916 | ENDIF |
||
| 917 | CP E |
||
| 918 | JR NZ,IN_EXIT |
||
| 919 | IN_NEXT DEC D |
||
| 920 | JR NZ,IN_WAIT |
||
| 921 | IN_EXIT EXX |
||
| 922 | RET |
||
| 923 | |||
| 924 | CMD00 DB 0X40,0X00,0X00,0X00,0X00,0X95;GO_IDLE_STATE |
||
| 925 | CMD08 DB 0X48,0X00,0X00,0X01,0XAA,0X87;SEND_IF_COND |
||
| 926 | CMD16 DB 0X50,0X00,0X00,0X02,0X00,0XFF;SET_BLOCKEN |
||
| 927 | |||
| 928 | ;
SD |
||
| 929 | RDMULTI EX AF,AF' |
||
| 930 | CALL SECM200 |
||
| 931 | EX AF,AF' |
||
| 932 | IF NGS=1 |
||
| 933 | LD BC,SD_RSTR |
||
| 934 | ELSE |
||
| 935 | LD BC,P_DATA |
||
| 936 | ENDIF |
||
| 937 | RDMULT1 EX AF,AF' |
||
| 938 | CALL IN_OOUT |
||
| 939 | CP 0XFE |
||
| 940 | JR NZ,$-5 |
||
| 941 | INIR |
||
| 942 | NOP |
||
| 943 | INIR |
||
| 944 | NOP |
||
| 945 | IN A,(C) |
||
| 946 | NOP |
||
| 947 | IN A,(C) |
||
| 948 | EX AF,AF' |
||
| 949 | DEC A |
||
| 950 | JR NZ,RDMULT1 |
||
| 951 | LD A,CMD_12 |
||
| 952 | CALL OUT_COM |
||
| 953 | CALL IN_OOUT |
||
| 954 | INC A |
||
| 955 | JR NZ,$-4 |
||
| 956 | RET |
||
| 957 | |||
| 958 | ;
|
||
| 959 | RD_CLAS EX DE,HL |
||
| 960 | LD DE,0X14 ;
16
+20 |
||
| 961 | ADD HL,DE |
||
| 962 | LD C,(HL) |
||
| 963 | INC HL |
||
| 964 | LD B,(HL) |
||
| 965 | LD E,5 ;
16
+26 |
||
| 966 | ADD HL,DE |
||
| 967 | LD E,(HL) |
||
| 968 | INC HL |
||
| 969 | LD D,(HL) |
||
| 970 | INC HL |
||
| 971 | RET |
||
| 972 | |||
| 973 | PAGE_7FFD PUSH BC |
||
| 974 | LD BC,CONF_128 |
||
| 975 | OR 0X10 |
||
| 976 | OUT (C),A |
||
| 977 | POP BC |
||
| 978 | RET |
||
| 979 | |||
| 980 | ;
|
||
| 981 | COMPARE LD DE,FB_EXT |
||
| 982 | LD B,0X0B |
||
| 983 | LD A,(DE) |
||
| 984 | CP (HL) |
||
| 985 | RET NZ |
||
| 986 | INC HL |
||
| 987 | INC DE |
||
| 988 | DJNZ $-5 |
||
| 989 | RET |
||
| 990 | |||
| 991 | ; |
||
| 992 | FNDBUF LD BC,0X0802 |
||
| 993 | LD DE,FB_EXT |
||
| 994 | FNDBUF4 LD A,(HL) |
||
| 995 | INC HL |
||
| 996 | CP "." |
||
| 997 | JR Z,FNDBUF2 |
||
| 998 | CP "/" |
||
| 999 | JR Z,FNDBUF5 |
||
| 1000 | LD (DE),A |
||
| 1001 | INC DE |
||
| 1002 | DJNZ FNDBUF4 |
||
| 1003 | LD A,(HL) |
||
| 1004 | AND A |
||
| 1005 | RET Z |
||
| 1006 | INC HL |
||
| 1007 | JR FNDBUF3 |
||
| 1008 | |||
| 1009 | FNDBUF5 LD A,C |
||
| 1010 | AND A |
||
| 1011 | RET Z |
||
| 1012 | FNDBUF2 LD A,B |
||
| 1013 | AND A |
||
| 1014 | JR Z,FNDBUF3 |
||
| 1015 | LD A," " |
||
| 1016 | LD (DE),A |
||
| 1017 | INC DE |
||
| 1018 | DJNZ $-2 |
||
| 1019 | FNDBUF3 LD B,3 |
||
| 1020 | DEC C |
||
| 1021 | DEC HL |
||
| 1022 | LD A,(HL) |
||
| 1023 | CP "/" |
||
| 1024 | JR Z,FNDBUF4 |
||
| 1025 | INC HL |
||
| 1026 | JR FNDBUF4 |