wok annotate linld/stuff/src/CRTL.ASM @ rev 24014

linld: add quick boot switch (again)
author Pascal Bellard <pascal.bellard@slitaz.org>
date Fri Feb 19 18:33:17 2021 +0000 (2021-02-19)
parents bc4b94310a29
children 14ca5e18cfd9
rev   line source
pascal@19515 1 ;***************************************************************
pascal@19515 2 ;****** This file is distributed under GPL
pascal@19515 3 ;***************************************************************
pascal@19515 4 ideal
pascal@21984 5 %PAGESIZE 1000
pascal@19515 6 %crefref
pascal@19515 7 %noincl
pascal@19515 8 %nomacs
pascal@19636 9 ifdef NO386
pascal@19636 10 p8086
pascal@19636 11 else
pascal@19515 12 p386
pascal@19636 13 endif
pascal@19515 14
pascal@19515 15 group DGROUP _TEXT,_DATA,_BSS
pascal@19515 16 assume cs:DGROUP,ds:DGROUP
pascal@19515 17
pascal@19515 18 segment _DATA byte public use16 'DATA'
pascal@19515 19
pascal@23996 20 loaderr db "Load failure",0
pascal@23983 21 msg_hang db "Himem broken",0
pascal@22668 22 vcpi_alloc_err db "VCPI"
pascal@22668 23 global overflow:byte
pascal@22668 24 overflow db "/"
pascal@23996 25 msg_malloc db "Out of memory"
pascal@23996 26 isorootofs dd 16*2048
pascal@19515 27
pascal@19515 28 ends _DATA
pascal@19515 29
pascal@19515 30 segment _BSS byte public use16 'BSS'
pascal@19515 31
pascal@23797 32 include "isostate.inc"
pascal@21747 33 public _isostate
pascal@21747 34 _isostate isostate <?>
pascal@21754 35 org $-7
pascal@20538 36 _xfer_buf db 4096 dup (?)
pascal@19515 37 filecnt db ? ; in fact 0 minus file count...
pascal@19515 38 nextfilename dw ?
pascal@19515 39
pascal@19515 40 ends _BSS
pascal@19515 41
pascal@19515 42 segment _TEXT byte public use16 'CODE'
pascal@19515 43
pascal@19515 44 ;***************************************************************
pascal@20630 45 ;_fastcall void strcatb(bx:const char* a, ax:const char* b);
pascal@19538 46 ;***************************************************************
pascal@20528 47 global @strcatb$qpxzct1:near
pascal@20528 48 proc @strcatb$qpxzct1 near
pascal@19538 49
pascal@19538 50 push si
pascal@20794 51 xchg ax,si ; b
pascal@20794 52 dec bx
pascal@19538 53 @@catlp:
pascal@20794 54 inc bx
pascal@20794 55 cmp [byte bx],0 ; a=bx
pascal@19538 56 jne @@catlp
pascal@20794 57 db 0b8h,20h ; mov ax,??20h
pascal@19538 58 @@cpylp:
pascal@20794 59 lodsb
pascal@20794 60 @@cpyhead:
pascal@20794 61 mov [bx],al
pascal@20142 62 inc bx
pascal@20527 63 or al,al
pascal@19538 64 jne @@cpylp
pascal@20142 65 strend:
pascal@19538 66 pop si
pascal@23797 67 @ret:
pascal@20142 68 ret
pascal@19538 69
pascal@20528 70 endp @strcatb$qpxzct1
pascal@19538 71
pascal@19538 72
pascal@20146 73 p8086
pascal@20146 74
pascal@23996 75 opendos:
pascal@23996 76 ifdef LONG_FILENAME
pascal@23996 77 xchg ax,cx ; attributes
pascal@23996 78 mov ax,716Ch
pascal@23996 79 push bx si
pascal@23996 80 mov si,bx
pascal@23996 81 xor bx,bx ; R/O
pascal@23996 82 cwd ; action = open
pascal@23996 83 stc
pascal@23996 84 int 21h
pascal@23996 85 pop si dx
pascal@23996 86 jnc openok
pascal@23996 87 mov ax,3d00h ; read-only+compatibility
pascal@23996 88 else
pascal@23996 89 mov ah,3dh ; read-only+compatibility
pascal@23996 90 mov dx,bx
pascal@23996 91 endif
pascal@23996 92 ;mov cl,0 ; attribute mask
pascal@23996 93 call dos
pascal@23996 94 jc openret
pascal@23996 95 openok:
pascal@23984 96 xchg ax,bx
pascal@23996 97 mov ax,4202h
pascal@23996 98 cwd
pascal@23996 99 xor cx,cx
pascal@23996 100 int 21h
pascal@23996 101 mov [word _isostate.filesize],ax
pascal@23996 102 mov [(word _isostate.filesize)+2],dx
pascal@23984 103 xchg ax,bx
pascal@23996 104 ;xor cx,cx
pascal@23996 105 cwd
pascal@23996 106 call seeksetpos0 ; filepos = 0
pascal@23996 107 xchg ax,bx ; fd
pascal@23996 108 openret:
pascal@23996 109 ret
pascal@20146 110
pascal@19538 111 ;***************************************************************
pascal@20630 112 ;_fastcall int open(bx:const char* name, int flags=O_RDONLY);
pascal@21757 113 ;_fastcall int openargs(bx:const char* name, int flags=O_RDONLY);
pascal@19515 114 ;***************************************************************
pascal@20538 115 global openargs:near ; openargs(bx)
pascal@20538 116 openargs:
pascal@20538 117 cmp [byte bx],'@'
pascal@20538 118 jne fail
pascal@20538 119 inc bx
pascal@20538 120
pascal@20528 121 global @open$qpxzc:near
pascal@23996 122 @open$qpxzc:
pascal@23996 123 mov ax,[_isostate.fd]
pascal@23996 124 or ax,ax
pascal@23996 125 je opendos
pascal@23996 126 openiso:
pascal@23996 127 ifdef ISOHOOK
pascal@23996 128 cmp [byte bx],'!'
pascal@23996 129 je @readmenu$qv
pascal@23996 130 endif
pascal@23996 131 extrn @_isoopen$qv:near
pascal@23996 132 mov [word _isostate.filename2open],bx
pascal@23996 133 jmp @_isoopen$qv ; filepos = 0
pascal@19515 134
pascal@19515 135
pascal@19515 136 ;***************************************************************
pascal@20632 137 ;_fastcall int fileexist(bx:const char* name);
pascal@20632 138 ;***************************************************************
pascal@20632 139 global @fileexist$qpxzc:near
pascal@20632 140 @fileexist$qpxzc:
pascal@20632 141 call @open$qpxzc
pascal@20632 142 jc fail
pascal@20632 143
pascal@20632 144 ;***************************************************************
pascal@20630 145 ;_fastcall int close(ax:int fd);
pascal@19515 146 ;***************************************************************
pascal@20528 147 global @close$qi:near
pascal@20528 148 proc @close$qi near
pascal@19515 149
pascal@20540 150 global close:near ; close(ax)
pascal@19515 151 close:
pascal@23985 152 mov bh,3Eh
pascal@23996 153 mov cx,[_isostate.fd]
pascal@23996 154 jcxz dosbx
pascal@23996 155 jmp fail
pascal@19515 156
pascal@20528 157 endp @close$qi
pascal@19515 158
pascal@19515 159
pascal@19515 160 ;***************************************************************
pascal@23996 161 ;_fastcall int readrm(si:struct himem *m, ax:int sz);
pascal@19515 162 ;***************************************************************
pascal@20751 163 global @readrm$qp11image_himemi:near
pascal@20751 164 @readrm$qp11image_himemi:
pascal@20751 165 xchg ax,dx ; sz
pascal@23996 166 mov ax,[si] ; fd
pascal@23996 167 mov bx,[si-2] ; data
pascal@20528 168 proc @read$qipvi near
pascal@19515 169
pascal@20632 170 @read$dxbxax:
pascal@20538 171 xchg ax,bx ; fd
pascal@23996 172 @read$dxaxbx:
pascal@20538 173 xchg ax,dx ; data
pascal@20538 174 xchg ax,cx ; sz
pascal@20528 175 global @read$cxdxbx:near
pascal@20528 176 @read$cxdxbx:
pascal@23996 177 push bx
pascal@23996 178 mov bx,offset _isostate.filepos
pascal@23996 179 push cx
pascal@23996 180 mov cx,[bx-4] ; filesize
pascal@23996 181 sub cx,[bx] ; filepos
pascal@23996 182 mov ax,[bx-2]
pascal@23996 183 sbb ax,[bx+2]
pascal@23996 184 pop ax
pascal@23996 185 ja @@axok
pascal@23996 186 ;je @@rem
pascal@23996 187 ;xor ax,ax
pascal@23996 188 @@rem:
pascal@23996 189 cmp cx,ax
pascal@23996 190 jb @@cxok
pascal@23996 191 @@axok:
pascal@23996 192 xchg ax,cx
pascal@23996 193 @@cxok:
pascal@23996 194 add [bx],cx
pascal@23996 195 adc [(word bx)+2],0
pascal@23996 196 pop bx
pascal@23996 197 readfd:
pascal@20146 198 mov ah,3Fh
pascal@23996 199 ;jcxz fail
pascal@21628 200 dos:
pascal@21628 201 int 21h
pascal@21628 202 jnc doret
pascal@21628 203 fail:
pascal@21628 204 stc
pascal@21628 205 failifc:
pascal@21628 206 sbb ax,ax ; ax=-1 CF
pascal@21628 207 doret:
pascal@21628 208 ret
pascal@19515 209
pascal@20528 210 endp @read$qipvi
pascal@19515 211
pascal@19515 212 ;***************************************************************
pascal@22632 213 ;_fastcall long rewind(ax:int fd);
pascal@19515 214 ;***************************************************************
pascal@19899 215
pascal@22632 216 global @rewind$qi:near ; fd=ax
pascal@22632 217 proc @rewind$qi near
pascal@20542 218
pascal@23996 219 rewind:
pascal@23996 220 mov bx,offset _isostate.fileofs
pascal@23996 221 jmp lseek
pascal@19515 222
pascal@22632 223 endp @rewind$qi
pascal@19825 224
pascal@23996 225
pascal@23996 226 ifdef ISOHOOK
pascal@23996 227 ;***************************************************************
pascal@23996 228 ;_fastcall void readmenu(void);
pascal@23996 229 ;***************************************************************
pascal@23996 230 proc @readmenu$qv near
pascal@23996 231
pascal@23996 232 mov dx,18
pascal@23996 233 xor cx,cx
pascal@23996 234 call seeksetpos0 ; filepos = 0
pascal@23996 235 mov dx,offset _isostate.filemod
pascal@23996 236 ; //magic = x->filemod;
pascal@23996 237 mov cl,10
pascal@23996 238 call readfd ; // read x->filemod + x->fileofs & x->filesize
pascal@23996 239 mov bx,offset _isostate.fileofs
pascal@23996 240 ; x->fileofs = 0x7FF0 - (x->filesize &= 0xFFFF);
pascal@23996 241 mov ax,7FF0h
pascal@23996 242 cwd
pascal@23996 243 mov [word bx+6],dx
pascal@23996 244 sub ax,[bx+4]
pascal@23996 245 mov [word bx+2],dx
pascal@23996 246 mov [bx],ax
pascal@23996 247 call isolseek ; filepos = 0
pascal@23996 248 xchg ax,bx ; fd
pascal@23996 249 ret
pascal@23996 250
pascal@23996 251 endp @readmenu$qv
pascal@23996 252 endif
pascal@23996 253
pascal@19825 254 ;***************************************************************
pascal@22749 255 ;_fastcall void isolseek(bx:const unsigned long *offset);
pascal@19825 256 ;***************************************************************
pascal@20528 257 global @isolseek$qpxul:near
pascal@20528 258 proc @isolseek$qpxul near
pascal@19825 259
pascal@20534 260 isolseek:
pascal@20632 261 mov ax,[_isostate.fd]
pascal@23996 262 lseek:
pascal@21984 263 les dx,[dword bx]
pascal@21984 264 mov cx,es
pascal@23996 265 seeksetpos0:
pascal@23996 266 xor bx,bx
pascal@23996 267 mov [word _isostate.filepos],bx
pascal@23996 268 mov [(word _isostate.filepos)+2],bx
pascal@23996 269 mov bh,42h ; bx=fd cx:dx=offset al=whence
pascal@23996 270 dosbx:
pascal@23996 271 xchg ax,bx
pascal@23996 272 jmp dos
pascal@20534 273
pascal@20538 274 endp @isolseek$qpxul
pascal@20534 275
pascal@20534 276 ;***************************************************************
pascal@20630 277 ;_fastcall int isoreadsector(bx:const unsigned long *offset);
pascal@23996 278 ;_fastcall int isoreadrootsector(void);
pascal@20534 279 ;***************************************************************
pascal@23996 280 global @isoreadrootsector$qv:near
pascal@23996 281 @isoreadrootsector$qv:
pascal@23996 282 mov bx,offset isorootofs
pascal@20534 283 global @isoreadsector$qpxul:near
pascal@20534 284 proc @isoreadsector$qpxul near
pascal@20534 285
pascal@23996 286 call isolseek ; filepos = 0
pascal@22749 287 jc fail
pascal@23996 288 mov dh,10
pascal@23996 289 mov ax,offset _isostate.buffer
pascal@23996 290 jmp @read$dxaxbx ; read(fd,buffer,2560+)
pascal@20534 291
pascal@20534 292 endp @isoreadsector$qpxul
pascal@20534 293
pascal@21628 294
pascal@23999 295 ifdef ISOHOOK
pascal@21628 296 ;***************************************************************
pascal@23996 297 ;_fastcall int strhead(bx:const char* a, ax:const char* b);
pascal@21628 298 ;***************************************************************
pascal@23996 299 global @strhead$qpxzct1:near
pascal@23996 300 proc @strhead$qpxzct1 near
pascal@21628 301
pascal@23996 302 @@loop:
pascal@23996 303 xchg ax,bx
pascal@23996 304 mov dl,[bx] ; dl = *b++
pascal@23996 305 inc bx
pascal@23996 306 xchg ax,bx
pascal@23996 307 or dl,dl ; clear C
pascal@23996 308 jz failifc ; return 0
pascal@23996 309 xor dl,[bx] ; dl -= *a++
pascal@23996 310 jne fail ; return -1
pascal@23996 311 inc bx
pascal@23996 312 jmp @@loop
pascal@21628 313
pascal@23996 314 endp @strhead$qpxzct1
pascal@21628 315
pascal@21628 316
pascal@21628 317 ;***************************************************************
pascal@23996 318 ;_fastcall int strcmp(bx:const char* a, ax:const char* b);
pascal@21628 319 ;***************************************************************
pascal@23996 320 global @strcmp$qpxzct1:near
pascal@23996 321 proc @strcmp$qpxzct1 near
pascal@21628 322
pascal@23996 323 call @strhead$qpxzct1
pascal@23996 324 jne fail ; return -1
pascal@23996 325 xor dl,[bx] ; clear C
pascal@23996 326 jne fail ; return -1
pascal@23996 327 jmp failifc ; return 0
pascal@21628 328
pascal@23996 329 endp @strcmp$qpxzct1
pascal@21628 330
pascal@23999 331 else
pascal@23999 332
pascal@23999 333 ;***************************************************************
pascal@23999 334 ;_fastcall int strcmp(bx:const char* a, ax:const char* b);
pascal@23999 335 ;***************************************************************
pascal@23999 336 global @strcmp$qpxzct1:near
pascal@23999 337 proc @strcmp$qpxzct1 near
pascal@23999 338
pascal@23999 339 @@loop:
pascal@23999 340 xchg ax,bx
pascal@23999 341 mov dl,[bx] ; dl = *b++
pascal@23999 342 inc bx
pascal@23999 343 xchg ax,bx
pascal@23999 344 xor dl,[bx] ; dl ^= *a++
pascal@23999 345 jne fail ; return -1
pascal@23999 346 inc bx
pascal@23999 347 or dl,dl ; clear C
pascal@23999 348 jz failifc ; return 0
pascal@23999 349 jmp @@loop
pascal@23999 350
pascal@23999 351 endp @strcmp$qpxzct1
pascal@23999 352 endif
pascal@19515 353
pascal@20751 354 ;***************************************************************
pascal@23996 355 ;_fastcall const char **argstr(bx:const char *s, ax:const char keywords[], dx:const char **var);
pascal@23993 356 ;_fastcall unsigned long *argnum(bx:char *s, ax:const char keywords[], dx:unsigned long *var);
pascal@20751 357 ;***************************************************************
pascal@20751 358 global @argstr$qpxzcxt1ppxzc:near
pascal@20751 359 proc @argstr$qpxzcxt1ppxzc near
pascal@20751 360
pascal@21569 361 mov cl,2
pascal@21569 362 db 0a9h ; test ax,#
pascal@20751 363 global @argnum$qpzcxpxzcpul:near
pascal@20751 364 @argnum$qpzcxpxzcpul:
pascal@21569 365 mov cl,4
pascal@23993 366 push bx
pascal@21569 367 xchg ax,bx ; keywords -> bx
pascal@21569 368 xchg ax,cx ; s -> cx
pascal@21569 369 cbw ; argstr:0002 argnum:0004
pascal@21569 370 xchg ax,dx ; vars -> ax
pascal@20751 371 push si di
pascal@21569 372 xchg ax,di ; vars => di
pascal@20751 373 dec bx
pascal@20751 374 sub di,dx
pascal@23797 375 @@loop:
pascal@20751 376 mov si,cx ; s
pascal@20751 377 add di,dx
pascal@20751 378 @@match:
pascal@21569 379 lodsb ; *s++
pascal@23999 380 or al,20h ; locase
pascal@24014 381 cmp al,'/' ; 2f
pascal@24014 382 jne @@notopt
pascal@24014 383 mov al,'-'
pascal@24014 384 @@notopt:
pascal@24014 385 inc bx ; keywords++
pascal@20751 386 cmp al,[bx]
pascal@20751 387 je @@match
pascal@24014 388 cmp [byte bx],dh
pascal@24014 389 je @@lastal
pascal@24014 390 cmp [byte bx],'|'
pascal@24014 391 je @@testal
pascal@24014 392 jl @@notsw ; } ~ <del>
pascal@24014 393 cmp al,20h ; EOS or 20h
pascal@24014 394 jne @@loop ; assume [bx] = '|'
pascal@24014 395 @@notsw:
pascal@24014 396 mov ax,-1
pascal@20751 397 jne @@notopt
pascal@24014 398 jmp @@setnum
pascal@23797 399 @@testal:
pascal@24014 400 inc ax
pascal@24014 401 jz @@loop
pascal@24014 402 @@lastal:
pascal@24014 403 cmp al,'='+1
pascal@23996 404 xchg ax,cx ; return s if failure
pascal@23797 405 jne @@nokeyword
pascal@20751 406 dec dx
pascal@20751 407 dec dx
pascal@20751 408 je @@done
pascal@20751 409 call @strtol$qpxzc
pascal@23999 410 @@setnum:
pascal@23993 411 xchg ax,si
pascal@20751 412 mov [di+2],dx
pascal@20751 413 @@done:
pascal@23993 414 mov [di],si
pascal@23993 415 xchg ax,di
pascal@20751 416 @@nokeyword:
pascal@23993 417 pop di si bx
pascal@20751 418 ret
pascal@20751 419
pascal@20751 420 endp @argstr$qpxzcxt1ppxzc
pascal@20751 421
pascal@23996 422 ;***************************************************************
pascal@23996 423 ;_fastcall void puts(bx:const char* s):
pascal@23996 424 ;***************************************************************
pascal@23996 425 global @puts$qpxzc:near
pascal@20751 426
pascal@23996 427 ; global puts:near ; puts(bx)
pascal@23996 428 @putsz:
pascal@23996 429 call @putc
pascal@23996 430 @puts$qpxzc:
pascal@23996 431 puts:
pascal@23996 432 mov dl,[bx]
pascal@23996 433 inc bx
pascal@23996 434 or dl,dl
pascal@23996 435 jne @putsz
pascal@23996 436 mov dl,10
pascal@23996 437 @putc:
pascal@23996 438 cmp dl,10
pascal@23996 439 jne @putcz
pascal@23996 440 call @putcz2
pascal@23996 441 @putcz2:
pascal@23996 442 xor dl,7 ; 10^13 1010^1101
pascal@23996 443 @putcz:
pascal@23996 444 mov ah,2
pascal@23996 445 do_int21h:
pascal@23996 446 int 21h
pascal@23996 447 ret
pascal@19515 448
pascal@19515 449
pascal@22152 450 include "himem.inc"
pascal@22152 451
pascal@19515 452 ;***************************************************************
pascal@20630 453 ;_fastcall char* malloc_or_die(ax:unsigned size);
pascal@19515 454 ;***************************************************************
pascal@21757 455 xchg_heap_top:
pascal@22668 456 xchg ax,[bx]
pascal@21757 457 ret
pascal@21757 458
pascal@20528 459 proc @malloc_or_die$qui near
pascal@19515 460
pascal@23996 461 malloc_or_die: ; ax = malloc_or_die(ax)
pascal@22668 462 extrn _heap_top
pascal@22668 463 mov bx,offset _heap_top
pascal@22668 464 add ax,[bx]
pascal@22668 465 jnc xchg_heap_top
pascal@20456 466 mov bx,offset msg_malloc
pascal@19515 467
pascal@20528 468 endp @malloc_or_die$qui
pascal@19515 469
pascal@19515 470
pascal@19515 471 ;***************************************************************
pascal@20630 472 ;_fastcall int die(bx:const char* msg);
pascal@22152 473 ;int exit(ax:int status);
pascal@22152 474 ;int abort(void);
pascal@19515 475 ;***************************************************************
pascal@20528 476 global @die$qpxzc:near
pascal@20528 477 proc @die$qpxzc near
pascal@20528 478 @die$qpxzc:
pascal@19515 479 global die:near ; die(bx)
pascal@19515 480 die:
pascal@19515 481 call puts
pascal@21984 482 global @exit$qv:near
pascal@21984 483 @exit$qv:
pascal@19538 484 _exit:
pascal@22152 485 extrn _imgs:image_himem
pascal@22152 486 mov cx,[(word _imgs.buf)+2] ; no_exit ?
pascal@21757 487 mov ah,4Ch
pascal@22152 488 jcxz do_int21h
pascal@19515 489 mov bx, offset msg_hang
pascal@19515 490 call puts
pascal@20486 491 ; global _abort:near
pascal@19515 492 _abort:
pascal@19515 493 cli
pascal@19515 494 hlt
pascal@20778 495 jmp _abort
pascal@19515 496
pascal@20528 497 endp @die$qpxzc
pascal@19515 498
pascal@22152 499 ;***************************************************************
pascal@23996 500 ;_fastcall void open_image(si:struct image_himem *m, ax:const char *name);
pascal@22152 501 ;***************************************************************
pascal@22152 502
pascal@23996 503 global @open_image$qp11image_himempxzc:near
pascal@23996 504 proc @open_image$qp11image_himempxzc near
pascal@23996 505
pascal@23996 506 mov [(image_himem si).state],ax
pascal@23996 507 push ax
pascal@23996 508 @@next:
pascal@23996 509 call next_chunk
pascal@23996 510 ifndef NO386
pascal@23996 511 add eax,3
pascal@23996 512 and al,0FCh
pascal@23996 513 add [(image_himem si).size],eax ; m->size += m->chunk_size
pascal@23996 514 or eax,eax
pascal@23996 515 else
pascal@23996 516 add ax,3
pascal@23996 517 adc dx,0
pascal@23996 518 and al,0FCh
pascal@23996 519 add [word (image_himem si).size],ax ; m->size += m->chunk_size
pascal@23996 520 adc [word ((image_himem si).size)+2],dx
pascal@23996 521 or ax,dx
pascal@23996 522 endif
pascal@23996 523 jnz @@next
pascal@23996 524 pop [(image_himem si).state]
pascal@23996 525
pascal@23996 526 endp @open_image$qp11image_himempxzc
pascal@22152 527
pascal@19515 528
pascal@19636 529 ;***************************************************************
pascal@23996 530 ;static long next_chunk(struct image_himem *si);
pascal@19636 531 ;***************************************************************
pascal@19636 532 proc next_chunk near
pascal@19636 533
pascal@23996 534 ifndef NO_CLOSE
pascal@23996 535 mov ax,[(image_himem si).fd]
pascal@19636 536 call close
pascal@23996 537 endif
pascal@19636 538 ifndef NO386
pascal@19636 539 xor eax,eax
pascal@19636 540 else
pascal@19636 541 xor ax,ax
pascal@20485 542 cwd
pascal@19636 543 endif
pascal@23996 544 mov [(image_himem si).fd],ax
pascal@23996 545 mov bx,[(image_himem si).state]
pascal@19636 546 cmp al,[bx] ; ""
pascal@19636 547 jz @@end
pascal@23996 548 dec bx
pascal@23996 549 push di
pascal@19636 550 @@scan:
pascal@23996 551 inc bx
pascal@23996 552 mov al,[bx]
pascal@23996 553 mov di,bx
pascal@23996 554 or al,al
pascal@19636 555 jz @@eos
pascal@23996 556 sub al,','
pascal@19636 557 jnz @@scan
pascal@23996 558 inc bx
pascal@19636 559 @@eos:
pascal@23996 560 xchg [(image_himem si).state],bx ; set start of string
pascal@23996 561 mov [current_file],bx
pascal@23996 562 xchg [di],ax ; set temp eos (ax == 0)
pascal@23996 563 push ax
pascal@23996 564 call @open$qpxzc
pascal@23996 565 pop [word di] ; restore string
pascal@23996 566 pop di
pascal@23996 567 jnc @@opened
pascal@23996 568 loadfailure:
pascal@23996 569 ;***************************************************************
pascal@23996 570 ;_fastcall void loadfailure(void);
pascal@23996 571 ;***************************************************************
pascal@23996 572 global @loadfailure$qv:near
pascal@23996 573 @loadfailure$qv:
pascal@23996 574 mov bx,0
pascal@23996 575 org $-2
pascal@23996 576 current_file dw ?
pascal@23996 577 call puts
pascal@23996 578 mov bx,offset loaderr
pascal@23996 579 jmpdie:
pascal@23996 580 jmp die
pascal@23996 581 @@opened:
pascal@23996 582 mov [(image_himem si).fd],ax
pascal@23996 583 ifndef NO_CLOSE
pascal@23996 584 mov [(image_himem si).fd2close],ax
pascal@23996 585 endif
pascal@19636 586 ifndef NO386
pascal@23996 587 mov eax,[_isostate.filesize]
pascal@19636 588 @@end:
pascal@23996 589 mov [(image_himem si).chunk_size],eax
pascal@19636 590 else
pascal@23996 591 mov ax,[word _isostate.filesize]
pascal@23996 592 mov dx,[(word _isostate.filesize)+2]
pascal@19636 593 @@end:
pascal@23996 594 mov [word (image_himem si).chunk_size],ax
pascal@23996 595 mov [word ((image_himem si).chunk_size)+2],dx
pascal@19636 596 endif
pascal@19636 597 ret
pascal@19636 598
pascal@19636 599 endp next_chunk
pascal@19636 600
pascal@23996 601 ;***************************************************************
pascal@19636 602
pascal@19571 603 struc data_himem ;struct data_himem {
pascal@24013 604 first dd ? ; 0 u32 first; *must* be the first one
pascal@24013 605 cacheidx dw ? ; 4 int cacheidx; quad *
pascal@24013 606 pageidx dw ? ; 6 int pageidx; byte *
pascal@19571 607 cache dd 1024 dup(?) ; 8 int cache;
pascal@19571 608 page dd 1024 dup(?) ;4104 int page;
pascal@24013 609 ends data_himem ;};
pascal@19571 610
pascal@19515 611 ;***************************************************************
pascal@23992 612 ;_fastcall u32* malloc_bufv_or_die(si:struct image_himem *m);
pascal@19538 613 ;***************************************************************
pascal@20528 614 global @malloc_bufv_or_die$qp11image_himem:near
pascal@20528 615 proc @malloc_bufv_or_die$qp11image_himem near
pascal@19538 616
pascal@19636 617 p386
pascal@19538 618 push si
pascal@24013 619 ;mov ecx,[(image_himem si).size]
pascal@24013 620 ;shr ecx,20 ; pages index size = size >> 20
pascal@24013 621 ;mov ax,cx
pascal@24013 622 ;add ax,size data_himem-4096
pascal@24013 623 mov ax,size data_himem
pascal@19571 624 call malloc_or_die
pascal@24013 625 ;mov cx,4096+4095 ; cnt = 1+(m->size+PAGE_MASK)/PAGE_SIZE;
pascal@24013 626 mov ecx,4096+4095 ; cnt = 1+(m->size+PAGE_MASK)/PAGE_SIZE;
pascal@19571 627 add ecx,[(image_himem si).size]
pascal@19571 628 shr ecx,12
pascal@19571 629 mov [curdata],ax
pascal@24013 630 mov [(image_himem si).bufv],ax ; update m->bufv
pascal@19571 631 xchg ax,si
pascal@19538 632 @@vcpi_alloc:
pascal@23996 633 mov ax,0DE04h ; allocate a 4K page => EDX
pascal@19538 634 int 67h
pascal@19538 635 or ah,ah
pascal@19538 636 mov bx,offset vcpi_alloc_err
pascal@23996 637 jnz jmpdie
pascal@19571 638 ; for (i = cnt-1; i >= 0; i--)
pascal@19571 639 mov eax,ecx
pascal@19571 640 dec eax
pascal@19571 641 shl eax,12 ; i*_4k
pascal@19571 642 ; if (edx < pm.fallback+i*_4k && edx >= pm.fallback) again
pascal@22152 643 mov bx,offset _imgs.fallback
pascal@19571 644 push eax
pascal@19571 645 add eax,[bx-2+2]
pascal@19571 646 cmp eax,edx ; pm.fallback+i*_4k <= edx ?
pascal@19571 647 pop eax ; i*_4k
pascal@19571 648 jbe @@pmok
pascal@19571 649 cmp edx,[bx-2+2] ; edx >= pm.fallback ?
pascal@19571 650 jae @@vcpi_alloc
pascal@19571 651 @@pmok:
pascal@19571 652 ; if (edx >= initrd.fallback+i*_4k && edx < initrd.fallback+initrd.size) again
pascal@24013 653 add eax,[bx-2+2+size image_himem] ; +initrd.fallback
pascal@19571 654 cmp eax,edx ; initrd.fallback+i*_4k > edx ?
pascal@19571 655 ja @@initrdok
pascal@24013 656 mov eax,[bx-2+6+size image_himem] ; initrd.size
pascal@24013 657 add eax,[bx-2+2+size image_himem] ; +initrd.fallback
pascal@19571 658 cmp eax,edx ; initrd.fallback+initrd.size > edx ?
pascal@24013 659 @@ja_vcpi_alloc:
pascal@19571 660 ja @@vcpi_alloc
pascal@19571 661 @@initrdok:
pascal@19571 662 cmp [(data_himem si).first],0
pascal@19571 663 jne @@notfirst
pascal@19571 664 mov [(data_himem si).first],edx
pascal@19571 665 @@notfirst:
pascal@19571 666 mov bx,[(data_himem si).cacheidx]
pascal@19571 667 cmp bh,4
pascal@19571 668 jae @@nextpage
pascal@19571 669 shl bx,2
pascal@19571 670 inc [(data_himem si).cacheidx]
pascal@24013 671 mov [(data_himem bx+si).cache],edx ; cache[cacheidx++] = edx
pascal@19571 672 loopd @@vcpi_alloc
pascal@19571 673 mov [(data_himem bx+si).cache],ecx ; last is 0
pascal@19571 674 @@nextpage:
pascal@19571 675 and [(data_himem si).cacheidx],0
pascal@19571 676 mov bx,[(data_himem si).pageidx]
pascal@19571 677 mov [(data_himem bx+si).page],edx
pascal@19571 678 add [(data_himem si).pageidx],4
pascal@19571 679 push cx
pascal@19571 680 lea cx,[(data_himem si).cache]
pascal@19571 681 ifdef NO386
pascal@19571 682 push edx
pascal@23996 683 pop ax ; to dx:ax
pascal@19571 684 pop dx
pascal@19571 685 endif
pascal@19571 686 call storepage ; storepage(edx,cx)
pascal@19571 687 pop cx
pascal@19571 688 or ecx,ecx ; clear C
pascal@24013 689 jnz @@ja_vcpi_alloc
pascal@19571 690 mov [dword (data_himem si).cacheidx],ecx
pascal@19571 691 xchg ax,si
pascal@19538 692 pop si
pascal@19538 693 ret
pascal@19636 694 ifdef NO386
pascal@19636 695 p8086
pascal@19636 696 endif
pascal@19538 697
pascal@20528 698 endp @malloc_bufv_or_die$qp11image_himem
pascal@19538 699
pascal@19538 700
pascal@19538 701 ;***************************************************************
pascal@24013 702 ;_fastcall void memcpy_image_initrd(si:struct image_himem *m);
pascal@24013 703 ;_fastcall void memcpy_image_kernel(si:struct image_himem *m);
pascal@20630 704 ;_fastcall void memcpy_image(bx:struct image_himem *m);
pascal@19515 705 ;***************************************************************
pascal@24013 706 global @memcpy_image_initrd$qv:near
pascal@24013 707 @memcpy_image_initrd$qv:
pascal@24013 708 lea bx,[si+size image_himem]
pascal@23992 709 db 0A9h ; test ax,imm
pascal@24013 710 global @memcpy_image_kernel$qv:near
pascal@24013 711 @memcpy_image_kernel$qv:
pascal@23992 712 mov bx,si
pascal@20528 713 proc @memcpy_image$qp11image_himem near
pascal@19515 714
pascal@19571 715 ifndef NO386
pascal@19571 716 mov edx,[(image_himem bx).fallback]
pascal@19571 717 mov eax,[(image_himem bx).buf]
pascal@19571 718 cmp eax,edx ; if (m->fallback != m->buf)
pascal@19571 719 jz @@skip ; memcpy32(m->fallback,0,m->buf,m->size)
pascal@19571 720 mov ecx,[(image_himem bx).size]
pascal@20146 721 memcpy_imagez: ; memcpy_imagez(edx,eax,ecx)
pascal@19571 722 push ecx
pascal@19571 723 push eax
pascal@19571 724 push 0
pascal@19571 725 call_memcpy32:
pascal@19571 726 push edx
pascal@19571 727 else
pascal@21984 728 les ax,[dword ((image_himem bx).fallback)]
pascal@21984 729 mov dx,es
pascal@24013 730 les cx,[dword ((image_himem bx).buf)]
pascal@19571 731 cmp ax,cx ; if (m->fallback != m->buf)
pascal@19571 732 jnz @@do
pascal@19571 733 cmp dx,[word ((image_himem bx).buf)+2]
pascal@19571 734 jz @@skip ; memcpy32(m->fallback,0,m->buf,m->size)
pascal@19571 735 @@do:
pascal@19571 736 push [word ((image_himem bx).size)+2]
pascal@19571 737 push [word ((image_himem bx).size)]
pascal@24013 738 push es ; [word ((image_himem bx).buf)+2]
pascal@24013 739 push cx ; [word ((image_himem bx).buf)]
pascal@19571 740 xor cx,cx
pascal@19571 741 push cx
pascal@19571 742 call_memcpy32:
pascal@23996 743 push dx ; push dx:ax
pascal@19571 744 push ax
pascal@19571 745 jmp @@memcpy
pascal@20146 746 memcpy_imagez: ; memcpy_imagez(edx,eax,ecx)
pascal@19636 747 p386
pascal@19571 748 push ecx
pascal@19571 749 push eax
pascal@19571 750 push 0
pascal@19571 751 push edx
pascal@19636 752 ifdef NO386
pascal@19636 753 p8086
pascal@19636 754 endif
pascal@19571 755 endif
pascal@19571 756 @@memcpy:
pascal@20528 757 extrn memcpy32:near
pascal@20528 758 call near memcpy32
pascal@19571 759 @@skip:
pascal@19571 760 ret
pascal@19571 761
pascal@20528 762 endp @memcpy_image$qp11image_himem
pascal@19571 763
pascal@19571 764 ;***************************************************************
pascal@23992 765 ;_fastcall void storepage(di:u32 *dst);
pascal@19571 766 ;***************************************************************
pascal@20538 767 global @storepage$qpul:near
pascal@20538 768 proc @storepage$qpul near
pascal@19571 769
pascal@19571 770 ifndef NO386
pascal@23992 771 mov edx,[di]
pascal@19571 772 else
pascal@23992 773 les ax,[dword di]
pascal@23996 774 mov dx,es ; to dx:ax
pascal@19571 775 endif
pascal@20538 776 mov cx,offset _xfer_buf
pascal@20146 777 storepage: ; storepage(edx,cx)
pascal@19571 778 ifndef NO386
pascal@19571 779 push 0
pascal@19571 780 push 4096
pascal@19571 781 push 0
pascal@19571 782 else
pascal@19571 783 xor bx,bx
pascal@19571 784 push bx
pascal@19571 785 mov bh,4096/256
pascal@19571 786 push bx
pascal@19571 787 xor bx,bx
pascal@19571 788 push bx
pascal@19571 789 endif
pascal@19571 790 push cx
pascal@19571 791 push ds
pascal@19571 792 jmp call_memcpy32
pascal@19571 793
pascal@20538 794 endp @storepage$qpul
pascal@19571 795
pascal@19571 796
pascal@19636 797 p386
pascal@19571 798 ;***************************************************************
pascal@23992 799 ;_fastcall void reset_bufv(di:u32 *p);
pascal@19571 800 ;***************************************************************
pascal@20528 801 global @reset_bufv$qpul:near
pascal@20528 802 proc @reset_bufv$qpul near
pascal@19571 803
pascal@23992 804 mov [curdata],di
pascal@24013 805 and [dword (data_himem di).cacheidx],0 ; and pageidx=0
pascal@19571 806 ret
pascal@19571 807
pascal@20528 808 endp @reset_bufv$qpul
pascal@19571 809
pascal@19571 810 ;***************************************************************
pascal@23992 811 ;u32* di=prev_bufv();
pascal@23992 812 ;u32* di=prev_bufv();
pascal@19571 813 ;***************************************************************
pascal@19571 814 global _prev_bufv:near
pascal@19571 815 global _next_bufv:near
pascal@19571 816 proc _prev_bufv near
pascal@19571 817
pascal@19571 818 stc
pascal@19571 819 db 73h ; jnc
pascal@19571 820 _next_bufv:
pascal@19571 821 clc
pascal@24013 822 push si
pascal@23992 823 mov bx,0
pascal@22176 824 org $-2
pascal@22176 825 curdata dw ?
pascal@19571 826 sbb ax,ax
pascal@20527 827 cmc
pascal@23992 828 adc ax,[(data_himem bx).cacheidx] ; -1/+1
pascal@24013 829 mov si,3ffh
pascal@24013 830 and si,ax
pascal@24013 831 mov [(data_himem bx).cacheidx],si
pascal@24013 832 shl si,2
pascal@19571 833 xor ecx,ecx
pascal@19571 834 test ax,0fc00h
pascal@24013 835 jz @@gotpage ; FFFF / 0400
pascal@24013 836 xchg al,ah ; FFFC / 0004
pascal@19571 837 and al,0fch
pascal@23992 838 add [(data_himem bx).pageidx],ax
pascal@23992 839 mov di,[(data_himem bx).pageidx]
pascal@23992 840 lea di,[(data_himem bx+di).page]
pascal@19571 841 mov edx,ds
pascal@19571 842 shl edx,4
pascal@23992 843 lea cx,[(data_himem bx).cache]
pascal@19571 844 add edx,ecx
pascal@23992 845 mov eax,[di]
pascal@19571 846 or eax,eax
pascal@24013 847 jz @@ret
pascal@24013 848 mov cx,4096 ; get page
pascal@24013 849 call memcpy_imagez ; memcpy_imagez(edx,eax,ecx)
pascal@19571 850 @@gotpage:
pascal@24013 851 lea ax,[(data_himem bx+si).cache]
pascal@24013 852 or si,[(data_himem bx).pageidx] ; !pageidx && !cacheidx
pascal@19571 853 jnz @@notfirst2
pascal@23992 854 xchg ax,bx ; &first
pascal@19571 855 @@notfirst2:
pascal@23992 856 xchg ax,di
pascal@24013 857 @@ret:
pascal@24013 858 pop si
pascal@19571 859 ret
pascal@19571 860
pascal@19571 861 endp _prev_bufv
pascal@19571 862
pascal@20146 863 ifdef NO386
pascal@20146 864 p8086
pascal@20146 865 endif
pascal@19571 866
pascal@19571 867 ;***************************************************************
pascal@23996 868 ;_fastcall int read_image(si:struct image_himem *m);
pascal@19515 869 ;***************************************************************
pascal@20538 870 global @read_image$qp11image_himem:near
pascal@20538 871 proc @read_image$qp11image_himem near
pascal@19515 872
pascal@23996 873 push di
pascal@23996 874 mov di,4096
pascal@23996 875 push di ; original size
pascal@19515 876 @@loop:
pascal@19538 877 ifndef NO386
pascal@23996 878 movzx ecx,di
pascal@23996 879 mov eax,[(image_himem si).chunk_size]
pascal@19538 880 cmp ecx,eax
pascal@19538 881 jb @@szok
pascal@19538 882 else
pascal@23996 883 mov cx,di
pascal@23996 884 mov ax,[word (image_himem si).chunk_size]
pascal@19538 885 cmp cx,ax
pascal@19515 886 jb @@szok
pascal@23996 887 cmp [word ((image_himem si).chunk_size)+2],0 ; hi m->chunk_size
pascal@19515 888 jne @@szok
pascal@20484 889 endif
pascal@19515 890 xchg ax,cx
pascal@19515 891 @@szok:
pascal@19538 892 jcxz image_done
pascal@20778 893 mov dx,offset _xfer_buf+4096
pascal@23996 894 sub dx,di
pascal@23996 895 mov bx,[si]
pascal@20528 896 call @read$cxdxbx
pascal@23806 897 jb image_done
pascal@19515 898 xor cx,cx
pascal@20539 899 cwd ; ax < 8000h
pascal@19538 900 ifndef NO386
pascal@19538 901 cwde ; ax < 8000h
pascal@23996 902 sub [(image_himem si).chunk_size],eax
pascal@20541 903 xchg eax,ebx
pascal@19538 904 else
pascal@23996 905 sub [word (image_himem si).chunk_size],ax
pascal@20539 906 xchg ax,bx
pascal@23996 907 sbb [word ((image_himem si).chunk_size)+2],dx
pascal@19538 908 jnz @@fill
pascal@23996 909 cmp [word (image_himem si).chunk_size],dx
pascal@19538 910 endif
pascal@19538 911 jnz @@fill
pascal@20539 912 dec cx
pascal@19515 913 @@fill:
pascal@20539 914 test bl,3
pascal@19515 915 je @@filled
pascal@20539 916 mov [bx+_xfer_buf],dh
pascal@20539 917 inc bx
pascal@19515 918 jmp @@fill
pascal@19515 919 @@filled:
pascal@19538 920 ifndef NO386
pascal@23996 921 sub [(image_himem si).remaining],ebx
pascal@19538 922 else
pascal@23996 923 sub [word (image_himem si).remaining],bx
pascal@23996 924 sbb [word ((image_himem si).remaining)+2],dx
pascal@19538 925 endif
pascal@23996 926 sub di,bx
pascal@19538 927 pushf
pascal@20778 928 jcxz @@same_chunk
pascal@20778 929 call next_chunk
pascal@19538 930 @@same_chunk:
pascal@19538 931 popf
pascal@19538 932 jnz @@loop
pascal@20484 933 image_done:
pascal@20528 934 pop ax ; original size
pascal@23996 935 sub ax,di
pascal@23996 936 pop di
pascal@20538 937 ret
pascal@19515 938
pascal@20538 939 endp @read_image$qp11image_himem
pascal@19515 940
pascal@19515 941
pascal@19515 942 ;***************************************************************
pascal@21569 943 ;_fastcall unsigned long strtol(const char *s);
pascal@19515 944 ;***************************************************************
pascal@20528 945 proc @strtol$qpxzc near
pascal@19515 946
pascal@20528 947 ifndef NO386
pascal@19515 948 xor ecx,ecx
pascal@19515 949 xor eax,eax
pascal@21569 950 xor ebx,ebx
pascal@19515 951 lodsb
pascal@19634 952 or al,20h
pascal@21984 953 cmp al,'a'
pascal@21984 954 jb @@notvga
pascal@23869 955 sub al,'o'
pascal@21984 956 @@vgaloop:
pascal@19538 957 dec cx
pascal@21984 958 add al,6
pascal@23869 959 jnb @@vgaloop ; vga=normal,extended,ask
pascal@19538 960 @@vga:
pascal@19538 961 dec cx
pascal@19538 962 xchg ax,cx
pascal@19538 963 cwd
pascal@19634 964 jmp @@popsiret
pascal@19538 965 @@notvga:
pascal@22632 966 mov cl,10 ; radix
pascal@19515 967 cmp al,'-'
pascal@23868 968 jne @@radixkeep
pascal@19515 969 lodsb
pascal@19515 970 @@radixkeep:
pascal@19515 971 pushf
pascal@19515 972 cmp al,'0'
pascal@19515 973 jne @@radixok
pascal@19515 974 mov cl,8
pascal@19515 975 lodsb
pascal@19634 976 or al,20h
pascal@19634 977 cmp al,'x'
pascal@19515 978 jne @@radixok
pascal@19515 979 mov cl,16
pascal@19515 980 @@strtollp:
pascal@19515 981 lodsb
pascal@19515 982 @@radixok:
pascal@19634 983 or al,20h
pascal@19515 984 sub al,'0'
pascal@19515 985 jb @@endstrtol
pascal@19515 986 cmp al,9
pascal@19515 987 jbe @@digitok
pascal@19515 988 cmp al,'a'-'0'
pascal@19515 989 jb @@endstrtol
pascal@19515 990 sub al,'a'-'0'-10
pascal@19515 991 @@digitok:
pascal@19515 992 cmp al,cl
pascal@19515 993 jae @@endstrtol
pascal@23870 994 cbw
pascal@23870 995 cwde
pascal@19515 996 xchg eax,ebx
pascal@19515 997 mul ecx
pascal@23870 998 add ebx,eax
pascal@19515 999 jmp @@strtollp
pascal@19515 1000 @@endstrtol:
pascal@19515 1001 mov cl,10
pascal@19515 1002 cmp al,'k'-'a'+10
pascal@19515 1003 je @@shift
pascal@19515 1004 mov cl,20
pascal@19515 1005 cmp al,'m'-'a'+10
pascal@19515 1006 je @@shift
pascal@19515 1007 mov cl,30
pascal@19515 1008 cmp al,'g'-'a'+10
pascal@19515 1009 jne @@noshift
pascal@19515 1010 @@shift:
pascal@19515 1011 shl ebx,cl
pascal@19515 1012 @@noshift:
pascal@19515 1013 popf
pascal@19515 1014 jnc @@end
pascal@19515 1015 neg ebx
pascal@19515 1016 @@end:
pascal@19515 1017 push ebx
pascal@19515 1018 pop ax
pascal@19515 1019 pop dx
pascal@19634 1020 @@popsiret:
pascal@19515 1021 else
pascal@23868 1022 xor bx,bx
pascal@22632 1023 xor cx,cx
pascal@23870 1024 xor dx,dx
pascal@19538 1025 lodsb
pascal@19634 1026 or al,20h
pascal@21984 1027 cmp al,'a'
pascal@21984 1028 jb @@notvga
pascal@23869 1029 sub al,'o'
pascal@21984 1030 @@vgaloop:
pascal@19538 1031 dec cx
pascal@21984 1032 add al,6
pascal@23869 1033 jnb @@vgaloop ; vga=normal,extended,ask
pascal@19538 1034 @@vga:
pascal@19538 1035 xchg ax,cx
pascal@23869 1036 ;cwd
pascal@23983 1037 jmp @@end
pascal@19538 1038 @@notvga:
pascal@22632 1039 mov cl,10 ; radix
pascal@19515 1040 cmp al,'-'
pascal@23868 1041 jne @@radixkeep
pascal@19515 1042 lodsb
pascal@19515 1043 @@radixkeep:
pascal@19515 1044 pushf
pascal@19515 1045 cmp al,'0'
pascal@19515 1046 jne @@radixok
pascal@19515 1047 mov cl,8
pascal@19515 1048 lodsb
pascal@20146 1049 or al,20h
pascal@19634 1050 cmp al,'x'
pascal@19515 1051 jne @@radixok
pascal@19515 1052 mov cl,16
pascal@19515 1053 @@strtollp:
pascal@19515 1054 lodsb
pascal@19515 1055 @@radixok:
pascal@19634 1056 or al,20h
pascal@19515 1057 sub al,'0'
pascal@19515 1058 jb @@endstrtol
pascal@19515 1059 cmp al,9
pascal@19515 1060 jbe @@digitok
pascal@19515 1061 cmp al,'a'-'0'
pascal@19515 1062 jb @@endstrtol
pascal@19515 1063 sub al,'a'-'0'-10
pascal@19515 1064 @@digitok:
pascal@19515 1065 cmp al,cl
pascal@19515 1066 jae @@endstrtol
pascal@23870 1067 cbw
pascal@19515 1068
pascal@19515 1069 push ax
pascal@23870 1070 xchg ax,dx
pascal@23870 1071 mul cx
pascal@21984 1072 xchg ax,bx
pascal@21984 1073 mul cx
pascal@23870 1074 add dx,bx
pascal@23870 1075 pop bx
pascal@21984 1076 add bx,ax
pascal@19515 1077 adc dx,0
pascal@19515 1078
pascal@19515 1079 jmp @@strtollp
pascal@19515 1080 @@endstrtol:
pascal@19515 1081 mov cl,10
pascal@19515 1082 cmp al,'k'-'a'+10
pascal@19515 1083 je @@shift
pascal@19515 1084 mov cl,20
pascal@19515 1085 cmp al,'m'-'a'+10
pascal@19515 1086 je @@shift
pascal@19515 1087 mov cl,30
pascal@19515 1088 cmp al,'g'-'a'+10
pascal@23983 1089 @@shift:
pascal@23983 1090 xchg ax,bx
pascal@19515 1091 jne @@noshift
pascal@23983 1092 extrn N_LXLSH@:near
pascal@23983 1093 call N_LXLSH@
pascal@19515 1094 @@noshift:
pascal@19515 1095 popf
pascal@23868 1096 jne @@end
pascal@19515 1097 not dx
pascal@23983 1098 neg ax
pascal@19515 1099 jne @@end
pascal@19515 1100 inc dx
pascal@19515 1101 @@end:
pascal@19515 1102 endif
pascal@20528 1103 strtol_ret:
pascal@19515 1104 ret
pascal@19515 1105
pascal@20528 1106 endp @strtol$qpxzc
pascal@19515 1107
pascal@19515 1108
pascal@19515 1109 ends _TEXT
pascal@19515 1110
pascal@19515 1111 end
pascal@19515 1112
pascal@19515 1113 ;###### END OF FILE ############################################
pascal@19825 1114