SECTION 6
Conversions and Interfaces
PEN*KEY
R
6200/6300 Hand-Held Computer Programmer’s Reference Guide 6-55
INT 13h, Function AH = 01h: Read Last Operation Status
BIOS
See the Error Codes table (page 6Ć54) for definitions.
On Entry:
AH = 01h
DL = Drive number; bit 7
1 = Hard disk
0 = Disk
On Return:
If successful:
Carry = 0
AH = 0
If NOT successful:
Carry = 1
AH = Drive status
INT 13h, Function 02h: Read Disk Sectors into Memory
BIOS
The requested sectors are transferred into the buffer. See the Error Codes table
(page 6Ć54) for definitions.
On Entry:
AH = 02h
DL = Drive number
DH = Track number
CH = Cylinder number
CL = Sector number
AL = Number of sectors
ES:BX = Buffer address
On Return:
If successful:
Carry = 0
AH = 0
AL = Number of sectors actually transferred
If NOT successful:
Carry = 1
AH = Drive status
6. Conversions and
Interfaces
