|
Last change
on this file since 53 was 35, checked in by Tomi Tilli, 14 years ago |
|
Cleaned recent changes a bit to save few bytes.
|
|
File size:
1.2 KB
|
| Line | |
|---|
| 1 | ; File name : AH14h_HDiag.asm
|
|---|
| 2 | ; Project name : IDE BIOS
|
|---|
| 3 | ; Created date : 28.9.2007
|
|---|
| 4 | ; Last update : 24.8.2010
|
|---|
| 5 | ; Author : Tomi Tilli
|
|---|
| 6 | ; Description : Int 13h function AH=14h, Controller Internal Diagnostic.
|
|---|
| 7 |
|
|---|
| 8 | ; Section containing code
|
|---|
| 9 | SECTION .text
|
|---|
| 10 |
|
|---|
| 11 | ;--------------------------------------------------------------------
|
|---|
| 12 | ; Int 13h function AH=14h, Controller Internal Diagnostic.
|
|---|
| 13 | ;
|
|---|
| 14 | ; AH14h_HandlerForControllerInternalDiagnostic
|
|---|
| 15 | ; Parameters:
|
|---|
| 16 | ; AH: Bios function 14h
|
|---|
| 17 | ; DL: Drive number (8xh)
|
|---|
| 18 | ; Parameters loaded by Int13h_Jump:
|
|---|
| 19 | ; DS: RAMVARS segment
|
|---|
| 20 | ; Returns:
|
|---|
| 21 | ; AH: BIOS Error code
|
|---|
| 22 | ; AL: 0 (custom for this BIOS: .bReset byte from DPT)
|
|---|
| 23 | ; CF: 0 if succesfull, 1 if error
|
|---|
| 24 | ; IF: 1
|
|---|
| 25 | ; Corrupts registers:
|
|---|
| 26 | ; Flags
|
|---|
| 27 | ;--------------------------------------------------------------------
|
|---|
| 28 | ALIGN JUMP_ALIGN
|
|---|
| 29 | AH14h_HandlerForControllerInternalDiagnostic:
|
|---|
| 30 | call FindDPT_ForDriveNumber ; DS:DI now points to DPT
|
|---|
| 31 | mov al, [di+DPT.bReset] ; Load reset byte to AL
|
|---|
| 32 | test al, al ; Any error?
|
|---|
| 33 | jnz SHORT .ReturnError
|
|---|
| 34 | xor ah, ah ; Zero AH and CF since success
|
|---|
| 35 | jmp Int13h_PopDiDsAndReturn
|
|---|
| 36 | .ReturnError:
|
|---|
| 37 | mov ah, RET_HD_RESETFAIL
|
|---|
| 38 | stc
|
|---|
| 39 | jmp Int13h_PopDiDsAndReturn
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
