Int 21 Fn 4402 U - Quarterdeck - Hookrom.sys - Get Hooked Vector Table [Q]
AX = 4402h
BX = file handle for device "HOOKROM$"
CX = 0004h
DS:DX -> DWORD buffer for address of hooked vector table (see #1138)
Return: CF clear if successful
DS:DX buffer filled
CF set on error
AX = error code (01h,05h,06h,0Dh) (see #1366 at AH=59h/BX=0000h)
See Also: AX=4402h/SF=01h
Format of HOOKROM.SYS hooked vector table entry:
Offset Size Description (Table 1138)
00h 5 BYTEs FAR jump to actual interrupt handler
(end of table if first byte is not EAh)
05h BYTE interrupt vector number