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Rev 133 Rev 384
Line 80... Line 80...
80 
; 3 : write/append to file
 80 
; 3 : write/append to file
81 
; 4 : set end of file
 81 
; 4 : set end of file
82 
; 5 : get file/directory attributes structure
 82 
; 5 : get file/directory attributes structure
83 
; 6 : set file/directory attributes structure
 83 
; 6 : set file/directory attributes structure
84 
; 7 : start application
 84 
; 7 : start application
85 
; 8 : delete file - not implemented yet
 85 
; 8 : delete file
86 
; 9 : create directory - not implemented yet
 86 
; 9 : create directory
87 
; 10: rename file/directory - not implemented yet
 - 
 
Line 88... Line 87...
88 
 
 87 
 
89 
        add     eax, std_application_base_address
 88 
        add     eax, std_application_base_address
90 
; parse file name
 89 
; parse file name
91 
        xchg    ebx, eax
 90 
        xchg    ebx, eax
Line 97... Line 96...
97 
        mov     esi, [esi]
 96 
        mov     esi, [esi]
98 
        add     esi, std_application_base_address
 97 
        add     esi, std_application_base_address
99 
        mov     ebp, esi
 98 
        mov     ebp, esi
100 
        lodsb
 99 
        lodsb
101 
@@:
 100 
@@:
- 
 
 101 
        cmp dword [ebx], 7
- 
 
 102 
        jne @F
- 
 
 103 
        mov edx, [ebx+4]
- 
 
 104 
        mov ebx, [ebx+8]
- 
 
 105 
        test ebx, ebx
- 
 
 106 
        jz .l1
- 
 
 107 
        add ebx, new_app_base
- 
 
 108 
.l1:
- 
 
 109 
        call fs_execute  ; ebp, ebx, edx
- 
 
 110 
        mov [esp+36], eax
- 
 
 111 
        ret
- 
 
 112 
@@:
102 
        cmp     al, '/'
 113 
        cmp     al, '/'
103 
        jz      @f
 114 
        jz      @f
104 
.notfound:
 115 
.notfound:
105 
        mov     dword [esp+36], 5       ; file not found
 116 
        mov     dword [esp+36], 5       ; file not found
106 
        ret
 117 
        ret
Line 349... Line 360...
349 
        dd      fs_RamdiskRewrite
 360 
        dd      fs_RamdiskRewrite
350 
        dd      fs_RamdiskWrite
 361 
        dd      fs_RamdiskWrite
351 
        dd      fs_RamdiskSetFileEnd
 362 
        dd      fs_RamdiskSetFileEnd
352 
        dd      fs_RamdiskGetFileInfo
 363 
        dd      fs_RamdiskGetFileInfo
353 
        dd      fs_RamdiskSetFileInfo
 364 
        dd      fs_RamdiskSetFileInfo
354 
        dd      fs_RamdiskExecute
 365 
        dd      0 ;fs_RamdiskExecute
- 
 
 366 
        dd      fs_RamdiskDelete
- 
 
 367 
        dd      fs_RamdiskCreateFolder
355 
fs_NumRamdiskServices = ($ - fs_RamdiskServices)/4
 368 
fs_NumRamdiskServices = ($ - fs_RamdiskServices)/4
Line 356... Line 369...
356 
 
 369 
 
357 
fs_OnFloppy:
 370 
fs_OnFloppy:
358 
        cmp     ecx, 2
 371 
        cmp     ecx, 2
Line 378... Line 391...
378 
        dd      fs_FloppyRewrite
 391 
        dd      fs_FloppyRewrite
379 
        dd      fs_FloppyWrite
 392 
        dd      fs_FloppyWrite
380 
        dd      fs_FloppySetFileEnd
 393 
        dd      fs_FloppySetFileEnd
381 
        dd      fs_FloppyGetFileInfo
 394 
        dd      fs_FloppyGetFileInfo
382 
        dd      fs_FloppySetFileInfo
 395 
        dd      fs_FloppySetFileInfo
383 
        dd      fs_FloppyExecute
 396 
        dd      0 ;fs_FloppyExecute
- 
 
 397 
        dd      fs_FloppyDelete
- 
 
 398 
        dd      fs_FloppyCreateFolder
384 
fs_NumFloppyServices = ($ - fs_FloppyServices)/4
 399 
fs_NumFloppyServices = ($ - fs_FloppyServices)/4
Line 385... Line 400...
385 
 
 400 
 
386 
fs_OnHd0:
 401 
fs_OnHd0:
387 
        call    reserve_hd1
 402 
        call    reserve_hd1
Line 449... Line 464...
449 
        dd      fs_HdRewrite
 464 
        dd      fs_HdRewrite
450 
        dd      fs_HdWrite
 465 
        dd      fs_HdWrite
451 
        dd      fs_HdSetFileEnd
 466 
        dd      fs_HdSetFileEnd
452 
        dd      fs_HdGetFileInfo
 467 
        dd      fs_HdGetFileInfo
453 
        dd      fs_HdSetFileInfo
 468 
        dd      fs_HdSetFileInfo
454 
        dd      fs_HdExecute
 469 
        dd      0 ;fs_HdExecute
- 
 
 470 
        dd      fs_HdDelete
- 
 
 471 
        dd      fs_HdCreateFolder
455 
fs_NumHdServices = ($ - fs_HdServices)/4
 472 
fs_NumHdServices = ($ - fs_HdServices)/4
Line 456... Line 473...
456 
 
 473 
 
457 
;*******************************************************
 474 
;*******************************************************
458 
fs_OnCd0:
 475 
fs_OnCd0:
Line 533... Line 550...
533 
fs_HasRamdisk:
 550 
fs_HasRamdisk:
534 
        mov     al, 1   ; we always have ramdisk
 551 
        mov     al, 1   ; we always have ramdisk
535 
        ret
 552 
        ret
Line 536... Line 553...
536 
 
 553 
 
537 
fs_HasFloppy:
 554 
fs_HasFloppy:
538 
        cmp     byte [0x40000], 0
 555 
        cmp     byte [DRIVE_DATA], 0
539 
        setnz   al
 556 
        setnz   al
Line 540... Line 557...
540 
        ret
 557 
        ret
541 
 
 558 
 
542 
fs_HasHd0:
 559 
fs_HasHd0:
543 
        mov     al, [0x40001]
 560 
        mov     al, [DRIVE_DATA+1]
544 
        and     al, 11000000b
 561 
        and     al, 11000000b
545 
        cmp     al, 01000000b
 562 
        cmp     al, 01000000b
546 
        setz    al
 563 
        setz    al
547 
        ret
 564 
        ret
548 
fs_HasHd1:
 565 
fs_HasHd1:
549 
        mov     al, [0x40001]
 566 
        mov     al, [DRIVE_DATA+1]
550 
        and     al, 00110000b
 567 
        and     al, 00110000b
551 
        cmp     al, 00010000b
 568 
        cmp     al, 00010000b
552 
        setz    al
 569 
        setz    al
553 
        ret
 570 
        ret
554 
fs_HasHd2:
 571 
fs_HasHd2:
555 
        mov     al, [0x40001]
 572 
        mov     al, [DRIVE_DATA+1]
556 
        and     al, 00001100b
 573 
        and     al, 00001100b
557 
        cmp     al, 00000100b
 574 
        cmp     al, 00000100b
558 
        setz    al
 575 
        setz    al
559 
        ret
 576 
        ret
560 
fs_HasHd3:
 577 
fs_HasHd3:
561 
        mov     al, [0x40001]
 578 
        mov     al, [DRIVE_DATA+1]
562 
        and     al, 00000011b
 579 
        and     al, 00000011b
563 
        cmp     al, 00000001b
 580 
        cmp     al, 00000001b
Line 564... Line 581...
564 
        setz    al
 581 
        setz    al
565 
        ret
 582 
        ret
566 
 
 583 
 
567 
;*******************************************************
 584 
;*******************************************************
568 
fs_HasCd0:
 585 
fs_HasCd0:
569 
        mov     al, [0x40001]
 586 
        mov     al, [DRIVE_DATA+1]
570 
        and     al, 11000000b
 587 
        and     al, 11000000b
571 
        cmp     al, 10000000b
 588 
        cmp     al, 10000000b
572 
        setz    al
 589 
        setz    al
573 
        ret
 590 
        ret
574 
fs_HasCd1:
 591 
fs_HasCd1:
575 
        mov     al, [0x40001]
 592 
        mov     al, [DRIVE_DATA+1]
576 
        and     al, 00110000b
 593 
        and     al, 00110000b
577 
        cmp     al, 00100000b
 594 
        cmp     al, 00100000b
578 
        setz    al
 595 
        setz    al
579 
        ret
 596 
        ret
580 
fs_HasCd2:
 597 
fs_HasCd2:
581 
        mov     al, [0x40001]
 598 
        mov     al, [DRIVE_DATA+1]
582 
        and     al, 00001100b
 599 
        and     al, 00001100b
583 
        cmp     al, 00001000b
 600 
        cmp     al, 00001000b
584 
        setz    al
 601 
        setz    al
585 
        ret
 602 
        ret
586 
fs_HasCd3:
 603 
fs_HasCd3:
587 
        mov     al, [0x40001]
 604 
        mov     al, [DRIVE_DATA+1]
588 
        and     al, 00000011b
 605 
        and     al, 00000011b
589 
        cmp     al, 00000010b
 606 
        cmp     al, 00000010b
Line 605... Line 622...
605 
        clc
 622 
        clc
606 
@@:
 623 
@@:
607 
        ret
 624 
        ret
Line 608... Line 625...
608 
 
 625 
 
609 
fs_NextFloppy:
 626 
fs_NextFloppy:
610 
; we have /fd/1 iff (([0x40000] and 0xF0) != 0) and /fd/2 iff (([0x40000] and 0x0F) != 0)
 627 
; we have /fd/1 iff (([DRIVE_DATA] and 0xF0) != 0) and /fd/2 iff (([DRIVE_DATA] and 0x0F) != 0)
611 
        test    byte [0x40000], 0xF0
 628 
        test    byte [DRIVE_DATA], 0xF0
612 
        jz      .no1
 629 
        jz      .no1
613 
        test    eax, eax
 630 
        test    eax, eax
614 
        jnz     .no1
 631 
        jnz     .no1
615 
        inc     eax
 632 
        inc     eax
616 
        ret     ; CF cleared
 633 
        ret     ; CF cleared
617 
.no1:
 634 
.no1:
618 
        test    byte [0x40000], 0x0F
 635 
        test    byte [DRIVE_DATA], 0x0F
619 
        jz      .no2
 636 
        jz      .no2
620 
        cmp     al, 2
 637 
        cmp     al, 2
621 
        jae     .no2
 638 
        jae     .no2
622 
        mov     al, 2
 639 
        mov     al, 2
Line 638... Line 655...
638 
        jmp     fs_NextHd
 655 
        jmp     fs_NextHd
639 
fs_NextHd3:
 656 
fs_NextHd3:
640 
        push    3
 657 
        push    3
641 
fs_NextHd:
 658 
fs_NextHd:
642 
        pop     ecx
 659 
        pop     ecx
643 
        movzx   ecx, byte [0x40002+ecx]
 660 
        movzx   ecx, byte [DRIVE_DATA+2+ecx]
644 
        cmp     eax, ecx
 661 
        cmp     eax, ecx
645 
        jae     fs_NextFloppy.no2
 662 
        jae     fs_NextFloppy.no2
646 
        inc     eax
 663 
        inc     eax
647 
        clc
 664 
        clc
648 
        ret
 665 
        ret