File TEST.BK

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

	SECT8	RADC
	BASE	0
	STARTD
	FLDA	0	/GET RETURN ADDRESS
	FSTA	ADCRET	/STORE RETURN ADDRESS
	FADD	L2	/GET ADRS OF DATA POINTER
	FSTA	0
	FLDA%   0	/GET DATA ADDRESS
	FSTA	0	/STORE IT
	TRAP4	LITEA	/INITIALIZE
LOOP,	STARTF
	FLDA%	0	/GET CHARACTER
	ALN	0	/FIX IT
	FSTA	ICHAR	/STORE IT
	STARTD
	FLDA	0	/GET DATA POINTER
	FADD	L3	/INCREMENT IT
	FSTA	0	/REPLACE IT
	TRAP4	LITEB
ADCRET,	JA	.
L2,	0;2
L3,	0;3
ICHAR,	0;0;0
LITEA,	NOP	/*****
	CLA CLL
	6301		/CLEAR DATA
			/SYNC BITS
	DCA R1		/INIT WORD CNT
	HLT
	CDF CIF
	JMP% LITEA
LITEB,	0
LITE2,	ISZ R1		/INC WORD CNT
	TAD R1
	TAD M6		/COMPUTE(CNT-6)
	SMA CLA		/VAR CHAR?
	JMP LITE4	/NO
	TAD M4
	JMP LITE8	/GO TRANSMIT
LITE4,	TAD R1
	TAD M6		/COMPUTE(CNT-6)
	SZA CLA		/FIXED DIGITS?
	JMP LITE6	/NO
	TAD M10		/YES, SET 10 BIT
			/WORD
	JMP LITE8	/GO TRANSMIT
LITE6,	TAD R1
	TAD M7		/COMPUTE(CNT-7)
	SZA CLA		/SPECIAL CHARACTERS?
	JMP GETBAK	/RETURN
	TAD M6		/YES, 6 BITS PER WORD
LITE8,	DCA R2		/SET BITS PER WORD
	TAD	ICHAR+2 /GET WORD
	DCA TEMP	/STORE PACKED WORD IN TEMP
LITE10,	TAD TEMP	/GET SHIFTED WORD
	RAR		/ROTATE WORD RIGHT ONE
	DCA TEMP	/RETURN TO TEMP
	SNL		/LINK BIT = 1?
	JMP .+3		/NO
	TAD P1000	/YES, SET DATA BIT
	6301		/TRANSMIT
	TAD P2000	/ADD SYNC
	6301		/TRANSMIT
	CLA CLL
	6301		/CLEAR DATA, SYNC OUTPUT
	ISZ R2		/ALL BITS SENT?
	JMP LITE10	/NO
	JMP LITE2	/YES
GETBAK,	CDF CIF	
	JMP% LITEB
PTR,	0
TEMP,	0
R1,	0	/CHAR COUNTER
R2,	0	/BIT COUNTER
M4,	-4
M10,	-12
M6,	-6
M7,	-7
P1000,	1000
P2000,	2000
KCDF,	CDF
P2,	2
EXP,	0



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