Flushing the one-character BDOS console input buffer

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1 total messages Started by Keith Petersen Fri, 31 Oct 1986 17:12

#5413

Author: Keith Petersen
Date: Fri, 31 Oct 1986 17:12

13 lines
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Russ, this works for my programs that use function 6 for portability.
This will flush the BDOS buffer if there are any characters waiting.

	MVI	C,CONSTAT	;BDOS console status function
	CALL	BDOS
	ORA	A		;check for character pending
	JZ	SKIPIT		;zero means nothing there
	MVI	C,CONIN		;BDOS console input function
	CALL	BDOS		;go get it
;
SKIPIT:	(do your next task here, ignoring any character gathered above)

--Keith

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