[148] | 1 | ; Project name : XTIDE Universal BIOS
|
---|
[3] | 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:
|
---|
[148] | 12 | ; AL, CX, DH, ES: Same as in INTPACK
|
---|
| 13 | ; DL: Translated Drive number
|
---|
| 14 | ; DS:DI: Ptr to DPT (in RAMVARS segment)
|
---|
[150] | 15 | ; SS:BP: Ptr to IDEREGS_AND_INTPACK
|
---|
| 16 | ; Parameters on INTPACK:
|
---|
[221] | 17 | ; AL: Number of sectors to write (1...128)
|
---|
[3] | 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
|
---|
[150] | 23 | ; Returns with INTPACK:
|
---|
[3] | 24 | ; AH: Int 13h/40h floppy return status
|
---|
[249] | 25 | ; AL: Number of sectors actually written (only valid if CF set for someBIOSes)
|
---|
[3] | 26 | ; CF: 0 if successfull, 1 if error
|
---|
| 27 | ;--------------------------------------------------------------------
|
---|
| 28 | ALIGN JUMP_ALIGN
|
---|
| 29 | AH3h_HandlerForWriteDiskSectors:
|
---|
[221] | 30 | call Prepare_BufferToESSIforOldInt13hTransfer
|
---|
| 31 | call Prepare_GetOldInt13hCommandIndexToBX
|
---|
[165] | 32 | mov ah, [cs:bx+g_rgbWriteCommandLookup]
|
---|
[150] | 33 | mov bx, TIMEOUT_AND_STATUS_TO_WAIT(TIMEOUT_DRQ, FLG_STATUS_DRQ)
|
---|
| 34 | %ifdef USE_186
|
---|
[249] | 35 | push Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAHandTransferredSectorsFromCL
|
---|
[150] | 36 | jmp Idepack_TranslateOldInt13hAddressAndIssueCommandFromAH
|
---|
| 37 | %else
|
---|
| 38 | call Idepack_TranslateOldInt13hAddressAndIssueCommandFromAH
|
---|
[249] | 39 | jmp Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAHandTransferredSectorsFromCL
|
---|
[150] | 40 | %endif
|
---|