Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

                                                     ◄Up► ◄Next► ◄Previous►
────────────────────────────────────────────────────────────────────────────
 
include vmm.inc
 
VMMcall In_Debug_Chr
mov     byte ptr [Char], al     ; character from debug device
 
The In_Debug_Chr service reads a character from the debugging device.
 
This service has no parameters.
 
Return Value
 
The AL register contains the character read. If the ESCAPE key or CTRL+C key
combination was pressed, the service sets the zero flag.
 
Comments
 
This service has no effect in the retail version of Windows. It is intended
to be used with the debugging version.
 
Uses
 
EAX
 
See Also
 
Is_Debug_Chr
 
 
                                      ♦