source: xtideuniversalbios/tags/XTIDE_Universal_BIOS_v1.1.3/Src/Handlers/Int13h/AH5h_HFormat.asm@ 503

Last change on this file since 503 was 3, checked in by Tomi Tilli, 14 years ago
File size: 1.3 KB
Line 
1; File name : AH5h_HFormat.asm
2; Project name : IDE BIOS
3; Created date : 2.11.2007
4; Last update : 12.4.2010
5; Author : Tomi Tilli
6; Description : Int 13h function AH=5h, Format Disk Track.
7
8; Section containing code
9SECTION .text
10
11;--------------------------------------------------------------------
12; Int 13h function AH=5h, Format Disk Track.
13;
14; AH5h_HandlerForFormatDiskTrack
15; Parameters:
16; AH: Bios function 5h
17; CH: Cylinder number, bits 7...0
18; CL: Bits 7...6: Cylinder number bits 9 and 8
19; Bits 5...0: Starting sector number (1...63)
20; DH: Starting head number (0...255)
21; DL: Drive number
22; ES:BX: Pointer to address table
23; Parameters loaded by Int13h_Jump:
24; DS: RAMVARS segment
25; Returns:
26; AH: Int 13h/40h floppy return status
27; CF: 0 if successfull, 1 if error
28; IF: 1
29; Corrupts registers:
30; Flags
31;--------------------------------------------------------------------
32ALIGN JUMP_ALIGN
33AH5h_HandlerForFormatDiskTrack:
34 push dx
35 push cx
36 push bx
37 push ax
38
39 ; Format command is vendor specific on IDE drives.
40 ; Let's do verify instead.
41 call FindDPT_ForDriveNumber ; DS:DI now points to DPT
42 mov al, [di+DPT.bPSect] ; Load Sectors per Track to AL
43 call AH4h_VerifySectors
44 jmp Int13h_PopXRegsAndReturn
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