Radio Shack TRS-80 Model III - Page 79

OPERATION
Sample
Z-80 Programming
SeeSDELAY.
Sample
BASIC
Programming
10 POKE 16526,105:
POKE 16527,0
' LSB/MBB
20 X
=
USR(0) 'DUMMY ARGUMENT
SKBCHAR
—
43/X002B
Get a
Keyboard Character
if Available
This
subroutine checks
the keyboard
for a character. The
character
(if any ) is not
displayed.
Entry
Conditions
None
Exit Conditions
A= ASCII Character.
IF A=0, no character was available.
DE is altered.
Sample
Z-80
Programming
SeeSRSlNlT.
69