Difference between revisions of "Input"
From SizeCoding
(Created page with "== Checking for ESCAPE == This is fairly easy: Monitor the keyboard scancode port for ESC which is #1, then deal with it: <syntaxhighlight lang=nasm> in al,60h...") |
(No difference)
|
Revision as of 00:26, 7 August 2016
Checking for ESCAPE
This is fairly easy: Monitor the keyboard scancode port for ESC which is #1, then deal with it:
in al,60h ;read whatever is at keyboard port; looking for ESC which is #1
dec ax ;if ESC, AX now 0
jnz mainloop ;fall through if 0, do jump somewhere else if otherwise
