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Rev 86 Rev 87
Line 26... Line 26...
26 
        dd      fs_OnHd2
 26 
        dd      fs_OnHd2
27 
        dd      fs_NextHd2
 27 
        dd      fs_NextHd2
28 
        db      3,'hd3'
 28 
        db      3,'hd3'
29 
        dd      fs_OnHd3
 29 
        dd      fs_OnHd3
30 
        dd      fs_NextHd3
 30 
        dd      fs_NextHd3
- 
 
 31 
;**********************************************
- 
 
 32 
        db      3,'cd0'
- 
 
 33 
        dd      fs_OnCd0
- 
 
 34 
        dd      fs_NextCd
- 
 
 35 
        db      3,'cd1'
- 
 
 36 
        dd      fs_OnCd1
- 
 
 37 
        dd      fs_NextCd
- 
 
 38 
        db      3,'cd2'
- 
 
 39 
        dd      fs_OnCd2
- 
 
 40 
        dd      fs_NextCd
- 
 
 41 
        db      3,'cd3'
- 
 
 42 
        dd      fs_OnCd3
- 
 
 43 
        dd      fs_NextCd
- 
 
 44 
;***********************************************
31 
        db      0
 45 
        db      0
Line -... Line 46...
- 
 
 46 
 
32 
 
 47 
 
33 
virtual_root_query:
 48 
virtual_root_query:
34 
        dd      fs_HasRamdisk
 49 
        dd      fs_HasRamdisk
35 
        db      'rd',0
 50 
        db      'rd',0
36 
        dd      fs_HasFloppy
 51 
        dd      fs_HasFloppy
Line 41... Line 56...
41 
        db      'hd1',0
 56 
        db      'hd1',0
42 
        dd      fs_HasHd2
 57 
        dd      fs_HasHd2
43 
        db      'hd2',0
 58 
        db      'hd2',0
44 
        dd      fs_HasHd3
 59 
        dd      fs_HasHd3
45 
        db      'hd3',0
 60 
        db      'hd3',0
- 
 
 61 
;**********************************************
- 
 
 62 
        dd      fs_HasCd0
- 
 
 63 
        db      'cd0',0
- 
 
 64 
        dd      fs_HasCd1
- 
 
 65 
        db      'cd1',0
- 
 
 66 
        dd      fs_HasCd2
- 
 
 67 
        db      'cd2',0
- 
 
 68 
        dd      fs_HasCd3
- 
 
 69 
        db      'cd3',0
- 
 
 70 
;**********************************************
46 
        dd      0
 71 
        dd      0
47 
endg
 72 
endg
Line 48... Line 73...
48 
 
 73 
 
49 
file_system_lfn:
 74 
file_system_lfn:
Line 418... Line 443...
418 
        dd      fs_NotImplemented
 443 
        dd      fs_NotImplemented
419 
        dd      fs_HdGetFileInfo
 444 
        dd      fs_HdGetFileInfo
420 
        dd      fs_HdSetFileInfo
 445 
        dd      fs_HdSetFileInfo
421 
fs_NumHdServices = ($ - fs_HdServices)/4
 446 
fs_NumHdServices = ($ - fs_HdServices)/4
Line -... Line 447...
- 
 
 447 
 
- 
 
 448 
;*******************************************************
- 
 
 449 
fs_OnCd0:
- 
 
 450 
        call    reserve_cd
- 
 
 451 
        mov  [ChannelNumber],1
- 
 
 452 
        mov  [DiskNumber],0
- 
 
 453 
        push    6
- 
 
 454 
        jmp     fs_OnCd
- 
 
 455 
fs_OnCd1:
- 
 
 456 
        call    reserve_cd
- 
 
 457 
        mov  [ChannelNumber],1
- 
 
 458 
        mov  [DiskNumber],1
- 
 
 459 
        push    4
- 
 
 460 
        jmp     fs_OnCd
- 
 
 461 
fs_OnCd2:
- 
 
 462 
        call    reserve_cd
- 
 
 463 
        mov  [ChannelNumber],2
- 
 
 464 
        mov  [DiskNumber],0
- 
 
 465 
        push    2
- 
 
 466 
        jmp     fs_OnCd
- 
 
 467 
fs_OnCd3:
- 
 
 468 
        call    reserve_cd
- 
 
 469 
        mov  [ChannelNumber],2
- 
 
 470 
        mov  [DiskNumber],1
- 
 
 471 
        push    0
- 
 
 472 
fs_OnCd:
- 
 
 473 
 
- 
 
 474 
        pop     eax
- 
 
 475 
        mov     [hdpos], eax
- 
 
 476 
        cmp     ecx, 0x100
- 
 
 477 
        jae     .nf
- 
 
 478 
        push    cx bx
- 
 
 479 
        mov     cl,al
- 
 
 480 
        mov     bl,[0x40001]
- 
 
 481 
        shr     bl,cl
- 
 
 482 
        test    bl,2
- 
 
 483 
        pop     bx cx
- 
 
 484 
 
- 
 
 485 
        jnz     @f
- 
 
 486 
.nf:
- 
 
 487 
        and    [cd_status], 0
- 
 
 488 
        mov     dword [esp+36], 5       ; not found
- 
 
 489 
        ret
- 
 
 490 
@@:
- 
 
 491 
        mov     ecx, [ebx+12]
- 
 
 492 
        mov     edx, [ebx+16]
- 
 
 493 
        add     edx, std_application_base_address
- 
 
 494 
        mov     eax, [ebx]
- 
 
 495 
        cmp     eax, 1
- 
 
 496 
        ja      .not_impl
- 
 
 497 
        add     ebx, 4
- 
 
 498 
        call    dword [fs_CdServices + eax*4]
- 
 
 499 
        and     [cd_status], 0
- 
 
 500 
        mov     [esp+36], eax
- 
 
 501 
        mov     [esp+24], ebx
- 
 
 502 
        ret
- 
 
 503 
.not_impl:
- 
 
 504 
        and     [hd1_status], 0
- 
 
 505 
        mov     dword [esp+36], 2       ; not implemented
- 
 
 506 
        ret
- 
 
 507 
 
- 
 
 508 
fs_CdServices:
- 
 
 509 
        dd      fs_CdRead
- 
 
 510 
        dd      fs_CdReadFolder
- 
 
 511 
;*******************************************************
422 
 
 512 
 
423 
fs_HasRamdisk:
 513 
fs_HasRamdisk:
424 
        mov     al, 1   ; we always have ramdisk
 514 
        mov     al, 1   ; we always have ramdisk
Line 425... Line 515...
425 
        ret
 515 
        ret
Line 452... Line 542...
452 
        and     al, 00000011b
 542 
        and     al, 00000011b
453 
        cmp     al, 00000001b
 543 
        cmp     al, 00000001b
454 
        setz    al
 544 
        setz    al
455 
        ret
 545 
        ret
Line -... Line 546...
- 
 
 546 
 
- 
 
 547 
;*******************************************************
- 
 
 548 
fs_HasCd0:
- 
 
 549 
        mov     al, [0x40001]
- 
 
 550 
        and     al, 11000000b
- 
 
 551 
        cmp     al, 10000000b
- 
 
 552 
        setz    al
- 
 
 553 
        ret
- 
 
 554 
fs_HasCd1:
- 
 
 555 
        mov     al, [0x40001]
- 
 
 556 
        and     al, 00110000b
- 
 
 557 
        cmp     al, 00100000b
- 
 
 558 
        setz    al
- 
 
 559 
        ret
- 
 
 560 
fs_HasCd2:
- 
 
 561 
        mov     al, [0x40001]
- 
 
 562 
        and     al, 00001100b
- 
 
 563 
        cmp     al, 00001000b
- 
 
 564 
        setz    al
- 
 
 565 
        ret
- 
 
 566 
fs_HasCd3:
- 
 
 567 
        mov     al, [0x40001]
- 
 
 568 
        and     al, 00000011b
- 
 
 569 
        cmp     al, 00000010b
- 
 
 570 
        setz    al
- 
 
 571 
        ret
- 
 
 572 
;*******************************************************
456 
 
 573 
 
457 
; fs_NextXXX functions:
 574 
; fs_NextXXX functions:
458 
; in: eax = partition number, from which start to scan
 575 
; in: eax = partition number, from which start to scan
459 
; out: CF=1 => no more partitions
 576 
; out: CF=1 => no more partitions
Line 507... Line 624...
507 
        cmp     eax, ecx
 624 
        cmp     eax, ecx
508 
        jae     fs_NextFloppy.no2
 625 
        jae     fs_NextFloppy.no2
509 
        inc     eax
 626 
        inc     eax
510 
        clc
 627 
        clc
511 
        ret
 628 
        ret
- 
 
 629
- 
 
 630 
;*******************************************************
- 
 
 631 
fs_NextCd:
- 
 
 632 
; we always have /cdX/1
- 
 
 633 
        test    eax, eax
- 
 
 634 
        stc
- 
 
 635 
        jnz     @f
- 
 
 636 
        mov     al, 1
- 
 
 637 
        clc
- 
 
 638 
@@:
- 
 
 639 
        ret
- 
 
 640 
;*******************************************************
- 
 
 641