Pro-face PL-5910 Series, Руководство пользователя

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Chapter 8 - Using MS-DOS
PL-5910 Series User Manual
8-37
INT 13 Disk BIOS
Operation
Disk reset AH = 00h CY = 0 : Successfully completed
DL = Drive No. = 1 : Error
(FDD:00h-01h;HDD:80h-81h) AH = Status
Description
00h: Successfully completed
01h: Wrong command sent
02h: Cannot find address mark
03h:
04h:
06h: Disk was changed.
08h: DMA overrun
10h:
20h: Crashed FDC
40h:
80h: Timer overflowed
Description
00h: Successfully completed
01h: Wrong command sent
02h: Cannot find address mark
04h:
07h: Drive parameter error
08h: DMA overrun
10h: Error during reading
20h: Crashed HDC
40h:
80h: Timer overflowed
BBh Undefined error
AH = 01h AH = Disk Drive Status
DL = Drive No.
(FDD:00h-01h;HDD:80h-81h)
AH = 02h
AL = Number of sectors CY = 0 : Successfully completed
= 1 : Error
AH = Status
CH = Track No.
CL = Sector No.
CH = Cylinder No.
CL = Insignificant 8 bits
Sector No.(Bits 0 - 6)
= Cylinder No.
Significant 2 bits (Bits 7 - 8)
DH = Head No.
DL =
ES BX = Buffer address
Attempted writing on
protected disk
Cannot find requested
sector.
Input Output
Fbppy disk status table
Status
Hard disk status table
Status
Cannot find requested
sector.
CRC error during diskette
reading
Crashed during seek
operation
Crashed during seek
operation
Reading disk
drive data
Drive No. (FDD : 00h - 01h, HDD
: 80h - 81h)
Reading
seactor
WithFDD
WithHDD