|
|
Copyright 1991 David Jurgens |
INT 21,64 - Set Device Driver Look Ahead (Undocumented)
AH = 64h
AL = value for switch
00 causes DOS to perform look ahead to the device driver
before execution of INT 21,1, INT 21,8 and INT 21,A
other - no look ahead is performed
returns ???
- DOS internal; should not be called by user program
- switch defaults to zero
- undocumented; since DOS 3.3
- some other subfunctions are know to have existed since DOS 3.2 but
details on their functionality are incomplete
|
|
| Esc or Alt-X to exit |
int 21,64 |
Home/PgUp/PgDn/End ←↑↓→ |