1 | ; Project name : XTIDE Universal BIOS
|
---|
2 | ; Description : Int 13h function AH=43h, Extended Write Sectors.
|
---|
3 |
|
---|
4 | ; Section containing code
|
---|
5 | SECTION .text
|
---|
6 |
|
---|
7 | ;--------------------------------------------------------------------
|
---|
8 | ; Int 13h function AH=43h, Extended Write Sectors.
|
---|
9 | ;
|
---|
10 | ; AH43h_HandlerForExtendedWriteSectors
|
---|
11 | ; Parameters:
|
---|
12 | ; SI: Same as in INTPACK
|
---|
13 | ; DL: Translated Drive number
|
---|
14 | ; DS:DI: Ptr to DPT (in RAMVARS segment)
|
---|
15 | ; SS:BP: Ptr to IDEPACK
|
---|
16 | ; Parameters on INTPACK:
|
---|
17 | ; AL: 0 or 1 to write with verify off
|
---|
18 | ; 2 to write with verify (if supported)
|
---|
19 | ; DS:SI: Ptr to Disk Address Packet
|
---|
20 | ; Returns with INTPACK:
|
---|
21 | ; AH: Int 13h return status
|
---|
22 | ; CF: 0 if succesfull, 1 if error
|
---|
23 | ; Return with Disk Address Packet in INTPACK:
|
---|
24 | ; .bSectorCount Number of sectors written successfully
|
---|
25 | ;--------------------------------------------------------------------
|
---|
26 | ALIGN JUMP_ALIGN
|
---|
27 | AH43h_HandlerForExtendedWriteSectors:
|
---|
28 | cmp BYTE [bp+IDEPACK.intpack+INTPACK.al], 2 ; Verify requested?
|
---|
29 | jae SHORT .WriteWithVerifyNotSupported
|
---|
30 |
|
---|
31 | call AH42h_LoadDapToESSIandVerifyForTransfer
|
---|
32 | call CommandLookup_GetEbiosIndexToBX
|
---|
33 | mov ah, [cs:bx+g_rgbWriteCommandLookup]
|
---|
34 | mov bx, TIMEOUT_AND_STATUS_TO_WAIT(TIMEOUT_DRQ, FLG_STATUS_DRQ)
|
---|
35 | %ifdef USE_186
|
---|
36 | push Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
|
---|
37 | jmp Idepack_ConvertDapToIdepackAndIssueCommandFromAH
|
---|
38 | %else
|
---|
39 | call Idepack_ConvertDapToIdepackAndIssueCommandFromAH
|
---|
40 | jmp Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
|
---|
41 | %endif
|
---|
42 |
|
---|
43 | .WriteWithVerifyNotSupported:
|
---|
44 | jmp AH2h_ExitInt13hSinceSectorCountInIntpackIsZero
|
---|