Int 21/AX=4402h

Quarterdeck - HOOKROM.SYS - GET HOOKED VECTOR TABLE

AX = 4402h
BX = file handle for device "HOOKROM$"
CX = 0004h
DS:DX -> DWORD buffer for address of hooked vector table (see #01451)

Return:
CF clear if successful
DS:DX buffer filled
CF set on error
AX = error code (01h,05h,06h,0Dh) (see #01680 at AH=59h/BX=0000h)

See Also: AX=4402h/SF=01h

Format of HOOKROM.SYS hooked vector table entry: Offset Size Description (Table 01451) 00h 5 BYTEs FAR jump to actual interrupt handler (end of table if first byte is not EAh) 05h BYTE interrupt vector number

Category: DESQview/TopView and Quarterdeck Programs - Int 21h - Q

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