1 | ; Project name : XTIDE Universal BIOS
|
---|
2 | ; Description : Int 13h function AH=3h, Write Disk Sectors.
|
---|
3 |
|
---|
4 | ; Section containing code
|
---|
5 | SECTION .text
|
---|
6 |
|
---|
7 | ;--------------------------------------------------------------------
|
---|
8 | ; Int 13h function AH=3h, Write Disk Sectors.
|
---|
9 | ;
|
---|
10 | ; AH3h_HandlerForWriteDiskSectors
|
---|
11 | ; Parameters:
|
---|
12 | ; AL, CX, DH, ES: Same as in INTPACK
|
---|
13 | ; DL: Translated Drive number
|
---|
14 | ; DS:DI: Ptr to DPT (in RAMVARS segment)
|
---|
15 | ; SS:BP: Ptr to IDEREGS_AND_INTPACK
|
---|
16 | ; Parameters on INTPACK:
|
---|
17 | ; AL: Number of sectors to write (1...255, 0=256)
|
---|
18 | ; CH: Cylinder number, bits 7...0
|
---|
19 | ; CL: Bits 7...6: Cylinder number bits 9 and 8
|
---|
20 | ; Bits 5...0: Starting sector number (1...63)
|
---|
21 | ; DH: Starting head number (0...255)
|
---|
22 | ; ES:BX: Pointer to source data
|
---|
23 | ; Returns with INTPACK:
|
---|
24 | ; AH: Int 13h/40h floppy return status
|
---|
25 | ; CF: 0 if successfull, 1 if error
|
---|
26 | ;--------------------------------------------------------------------
|
---|
27 | ALIGN JUMP_ALIGN
|
---|
28 | AH3h_HandlerForWriteDiskSectors:
|
---|
29 | call CommandLookup_GetOldInt13hIndexToBX
|
---|
30 | mov ah, [cs:bx+g_rgbWriteCommandLookup]
|
---|
31 | mov bx, TIMEOUT_AND_STATUS_TO_WAIT(TIMEOUT_DRQ, FLG_STATUS_DRQ)
|
---|
32 | mov si, [bp+IDEPACK.intpack+INTPACK.bx]
|
---|
33 | %ifdef USE_186
|
---|
34 | push Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
|
---|
35 | jmp Idepack_TranslateOldInt13hAddressAndIssueCommandFromAH
|
---|
36 | %else
|
---|
37 | call Idepack_TranslateOldInt13hAddressAndIssueCommandFromAH
|
---|
38 | jmp Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
|
---|
39 | %endif
|
---|