| |
INT 21 - DOS 2+ - EXTENDED CONTROL-BREAK CHECKING
Input |
DOS1 |
N |
DOS2 |
Y |
DOS3 |
Y |
DOS5 |
Y |
Output |
AX |
33h |
00h |
|
FFh
= Error |
AX |
BX |
|
|
|
|
BX |
CX |
|
|
|
|
CX |
DX |
|
|
|
^Break
State |
DX |
ES:DI |
|
|
CF |
Set Control Break State
Input |
DOS1 |
N |
DOS2 |
Y |
DOS3 |
Y |
DOS5 |
Y |
Output |
AX |
33h |
01h |
|
FFh
= Error |
AX |
BX |
|
|
|
|
BX |
CX |
|
|
|
|
CX |
DX |
|
^Break
State |
|
|
DX |
ES:DI |
|
|
CF |
|