File SAMTTY

Directory of image this file is from
This file as a plain text file

*20
/// SAMTTY.
/TYPICAL CLK TIC WAITING ROUTINE WITH
/TTY INTERRUPT CAPABILITY.
	 
/CLOCK SAMPLING ROUTINE.
SAMTIM,	SET 3
	0
	PDP
	PMODE
	 
	6131		/?, CLK
	JMP .-1		/NO
	CLA		/YES
	6135
	LINC
	LMODE
	JMP 3
/END SAMTIM.
	 
	 
/TTY CHECKING LOOP.
TSTKEY,	SET 3
	0
	IOB
	6031		/?, TTY
	JMP 3		/NO, LEAVE
	IOB		/YES
	6036
	SAE I
	377		/RUBOUT
	SKP
	JMP FDONE	/EARLY EXIT
	SAE I
	240		/SPACE
	JMP 3		/BOGUS TTY, LEAVE
	IOB
	6031
	JMP .-2
	IOB
	6036
	JMP 3
/END TSTKEY.



Feel free to contact me, David Gesswein djg@pdp8online.com with any questions, comments on the web site, or if you have related equipment, documentation, software etc. you are willing to part with.  I am interested in anything PDP-8 related, computers, peripherals used with them, DEC or third party, or documentation. 

PDP-8 Home Page   PDP-8 Site Map   PDP-8 Site Search