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