File SACSYS1

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*20
/SACSYS1:
/
/BASIC SUBROUTINE PACKAGE FOR CONTINGENT
/EYE-MOVEMENT STIMULUS CONTROL AND
/RESPONSE DETECTING, + DECIMAL TTY/SCOPE
/I/O HANDLERS.
/
/FOLLOWING PARAMETERS MUST BE DEFINED
/ (DURATIONS IN MSECS):
/
/XA1,XA2,XA3: X-COORDINATES OF LEFT,
/ MIDDLE & RIGHT OF LEFT FIXATION REGION
/
/XB1,XB2,XB3: AS ABOVE FOR RIGHT FIX REG
/
/DOTPW & YDOTS: PATTERN WORD AND Y-COOR.
/ FOR FIXATION DOTS (AT XA2 & XB2)
/
/GOKEY: 4-PANEL CODE OF START/CALIBR KEY
/
/MAXSAC & MINSAC: MAX & MIN DURATIONS
/ FOR CALIBRATION SACCADES
/
/FIX1RG & FIX2RG: CODES FOR STARTING &
/ TARGET FIXATION REGIONS: LEFT-RIGHT
/ =(-0,1), R-L=(1,-0)
/
/MXSCRT & MNSCRT: MAX & MIN DURATIONS
/ FOR SACCADE ONSET AFTER START KEY HIT
/
/PRESTM,SACSTM,STIM1,STIM2,STIM3:
/ =JMP SUBR INSTRUCTIONS FOR SINGLE
/ REFRESH OF VARIOUS STIMULI (W/O FIX.
/ DOTS)-PRESTM & SACSTM=STIMULI BEFORE
/ & DURING SACCADE; STIM1,STIM2,STIM3=
/ STIMULI AFTER SACCADE - SOME MAY BE
/ VACUOUS OR REPEATS TO INDUCE TIMING
/
/S1DUR,S2DUR: DURATIONS OF STIM1 & STIM2
/
/MAXRT: LONGEST STIM3 DURATION WHILE
/ AWAITING RESPONSE (NO RESPONSE ALLOWED
/ EXCEPT DURING STIM3).
/
/BUTCOR: 10-BUTTON PANEL KEY CODE FOR
/ CORRECT RESP ON A TRIAL
/
	SAMPLE=SAM 17
/SUBR SAMPLES X-EPS AND RETURNS VALUE
/THRU AC CORRESPONDING TO X-REGION
/
REGION,	SAMPLE
	DJR
	ADA I
MVA1,	-0		/LEFT OF A1?
	APO I
	JMP REGM1
	ADA I
DVA1A3,	0
	APO I		/IN (A1,A3)?
	JMP REGM0
	ADA I
DVA3B1,	0
	APO I		/IN (A3,B1)?
	JMP REGP0
	ADA I
DVB1B3,	0
	APO I		/IN (B1,B3)?
	JMP REGP1
	JMP REGP2	/USE UP DJR
REGP2,	LDA I
	2		/RIGHT OF B3
	JMP		/RETURN
REGP1,	LDA I
	1		/IN (B1,B3)
	JMP
REGP0,	CLR		/IN (A3,B1)
	JMP
REGM0,	LDA I
	-0		/IN (A1,A3)
	JMP
REGM1,	LDA I
	-1		/RIGHT OF A1
	JMP
/
/SUBR STARTS 100KHZ CLOCK WITH BEATS
/EVERY MSEC; WAITS FOR 1ST ONE
/
SYNC0,	PDP
	PMODE
	CLA
	TAD MFRESH	/-BASIC TIME
	CLAB
	CLA
	CLEN
	CLLR
	TAD CRATE
	CLLR
	CLSA
	CLA
	CLSA
	SMA CLA
	JMP .-2		/WAIT FOR 1ST
	LINC
	LMODE
	JMP		/RETURN
	PMODE
MFRESH,	-144		/-TICKS/"BEAT"
CRATE,	2100		/CLOCK CLLR
	LMODE
/
/SUBR WAIT FOR NEXT BEAT. IF PRESENT AT
/ENTRY, CALLS TIMING ERROR
/
SYNC,	PDP
	PMODE
	CLA
	CLSA
	SPA CLA
	JMP TIMERR	/TIMING ERROR
	CLSA
	SMA CLA
	JMP .-2
	LINC
	LMODE
	JMP		/RETURN
	PMODE
TIMERR,	LINC
	LMODE
	SET I 1
	LTIMER-4000	/AD-1/2 ER LABEL
	JMP MESSAG
	HLT
	JMP .-1		/TRAP FATAL ERR
LTIMER,	TEXT "INTERNAL TIMING FAILURE"
/
/SUBR DISPLAYS FIXATION DOTS AT A2 & B2
/
DOTS,	SET I 1
XA2,	260
	CLR
	ESF
	LDA I
YDOTS,	0
	DSC I
DOTPW,	0606
	SET I 1
XB2,	520
	DSC
	DOTPW
	JMP
/
/SUBR DISPLAYS "DOTS" AND OTHER STUFF 
/EVERY MSEC WHILE SAMPLING UNTIL 1 OF 3
/EVENTS OCCUR: (1) FIXATION LEAVES
/"KEYREG" REGION (EXIT CALL+1 W/NEW REG
/IN AC   (2) TIMEOUT: C(AC) MSECS ELAPSE
/(EXIT CALL+2)   (3) A BUTTON IS PRESSED
/ON 4-KEY RESPONSE PANEL (EXIT CALL+2
/WITH RESP. CODE IN AC) ..."OTHER STUFF"
/DISPLAYED CALLED BY JMP ? IN "STIMUL"
/
HOLREG,	STC TIMOUT
	STC TIMER	/12-BIT TIMER
	SET 10
	0		/R.J.
HS,	JMP SYNC
	JMP DOTS
STIMUL,	NOP		/OTHER-DISP SUBR
	JMP REGION
	SAE I
KEYREG,	-0		/"HOLD" REGION
	JMP EXIT1+2	/NEW REGION
	LDA I
	1
	ADM I
TIMER,	0
	SAE I
TIMOUT,	0		/TIMEOUT YET?
	SKP
	JMP EXIT1+1	/TIMEOUT
	JMP READ2	/CHECK PANEL
	JMP HS		/SKIPS ON INPUT
EXIT1,	XSK I 10	/CALL+3
	XSK I 10	/CALL+2
	JMP 10		/CALL+1
	HLT		/PROGRAM ERROR!
/
/SUBR OBTAINS CALIB. READING AT
/(XCAL,YDOTS) AND RETURNS ITS TRANSFORM
/THRU AC. XCAL PASSED THRU AC. WAITS FOR
/RIGHT BUTTON-PRESS ON 4-KEY PANEL
/
CALPT,	STC XCAL
	ADD
	STC CLPTRT	/RJ
	JMP WAIT1	/CLR LOWER PANEL
	JMP SYNC
	SET I 1
XCAL,	0
	LDA
	YDOTS
	DSC
	DOTPW
	JMP READ1
	JMP XCAL-2	/WAIT FOR KEY
	SAE I
GOKEY,	4000
	JMP CALER1
	SAMPLE
	STA
	XCAL		/TEMP
	JMP DECPUT
	ADD XCAL
CLPTRT,	HLT		/RETURN
/
/SUBR WAITS FOR LOWER PANEL TO BE CLEAR,
/DISPLAYING "KEYS UP!" TO S UNTIL CLEAR.
/
WAIT1,	CLR
	IOB
	6306
	AZE I
	JMP		/RETURN: CLEAR
	LDA		/NOT CLEAR:
	0		/SAVE RJ
	STC WAT1RJ
	SET I 3
	WAT1RJ+4000	/TEXT PTR
	JMP SCOPE	/FOR SCOPE
	IOB
	6306
	AZE
	JMP .-6		/UNTIL CLEAR
WAT1RJ,	HLT		/RETURN
	TEXT "KEYS UP!!"
/
/WAIT2 LIKE WAIT1 BUT FOR UPPER PANEL
/
WAIT2,	CLR
	IOB
	6316
	AZE I
	JMP
	LDA
	0
	STC WAT2RJ
	SET I 3
	WAT1RJ+4000
	JMP SCOPE
	IOB
	6316
	AZE
	JMP .-6
WAT2RJ,	HLT
/
/SUBR RETURNS WITH LOWER PANEL INPUT IN
/AC (=0 IF NONE). RETURNS CALL+1 IF NONE
/OR CALL+2 IF SOME. THERE SHOULD BE A
/PRECEDING CALL TO WAIT1 SUBR.
/
READ1,	CLR
	IOB
	6306
	AZE I
	XSK I
	JMP
/
/READ2 LIKE READ1 FOR UPPER PANEL
/
READ2,	CLR
	IOB
	6316
	AZE
	XSK I
	JMP
/
/SUBR REFRESHES SCOPE BUFFER, STARTING
/AT Y=YDOTS (HALF-SIZE)
/
SCOPE,	LDA
	0
	STC SCOPRJ
	SET I 1
	4100		/CHAN 2
	ESF		/ 1/2 SIZE
	LDH I 3
	AZE I
SCOPRJ,	HLT		/RJ
	ROL 1
	ADA I
ADPWS,	PATRN-2
	STC 2
	ADD YDOTS
	DSC 2
	DSC I 2
	XSK I 1
	JMP SCOPRJ-2
/
/CALIBRATION: OF END-POINTS OF TWO
/FIXATION INTERVALS: (XA1,XA3)&(XB1,XB3)
/
CALIBR,	LDA
	0
	STC CALRJ
CAL1,	JMP CRLF
	JMP CRLF
	LDA I
XA1,	240
	JMP CALPT
	COM
	STC MVA1
	LDA I
XB1,	500
	JMP CALPT
	STA I
VB1,	0
	ADD MVA1
	APO I		/VA1 > VB1
	JMP CALER2
	LDA I
XA3,	300
	JMP CALPT
	STA I
VA3,	0
	ADD MVA1
	COM
	APO		/VA1 > VA3?
	JMP CALER2
	STC DVA1A3
	ADD VB1
	COM
	ADD VA3
	APO		/VA3 > VB1?
	JMP CALER2
	STC DVA3B1
	LDA I
XB3,	540
	JMP CALPT
	COM
	ADD VB1
	APO
	JMP CALER2	/VB1 > VB3?
	STC DVB1B3
CALRJ,	HLT		/RJ
/
/SECTION HANDLES CALIBRATION ERRORS:
/TYPES MESSAGE AND THEN RESTARTS PROG.
/AFTER DISPLAYING MESSAGE
/
CALER1,	SET I 1
	CEL1-4000
	JMP CALERR
CALER2,	SET I 1
	CEL2-4000
CALERR,	SET 4
	1
	JMP MESSAG	/TYPE MESSAGE
	SNS 0		/SHOW MESSAGE IF
	JMP CAL1	/SW 0 UP
	JMP WAIT1
	SET 3
	4
	JMP SCOPE	/DISPLAY MESSAGE
	JMP READ1	/UNTIL LOWER HIT
	JMP .-4
	JMP CAL1	/RECALIBRATE!!
/
/CALIBRATION ERROR MESSAGES
/
	CEL1=TEL1
CEL2,	TEXT "VALUES NON-MONOTONE "
	4300
/
/SUBR RUNS TRIAL TYPES CALLING FOR
/PREMASK  OFFSET - STIM ONSET
/TRIGGERED BY PRESCRIBED SACCADE.
/ANY TIME SW 5 THROWN UP & DOWN, A NEW
/CALIBRATION IS OBTAINED BEFORE TRIAL.
/STIMULUS SEQUENCE (+DOTS AT ALL TIMES):
/
/    ON          OFF       STIM SUBR
/
/   - - -      START KEY    "DOTS"
/  START KEY   SAC ONSET    "PRESTM"
/  SAC ONSET   SAC OFFSET   "SACSTM"
/  SAC OFFSET  S1DUR MSECS  "STIM1"
/  STIM1 OFF   S2DUR MSECS  "STIM2"
/  STIM2 OFF   RESP/TIMEOUT "STIM3"
/
STRIAL,	LDA
	0
	STC STRLRJ
	SNS 5
	JMP .+4
/GET NEW CALIBRATION WHEN SW 5 BACK DOWN
	SNS I 5
	JMP .-1
	JMP CALIBR
	JMP WAIT1
	JMP WAIT2	/CLEAR PANELS
F1,	JMP SYNC
	JMP DOTS	/SHOW ONLY FIX.
	JMP READ1	/DOTS UNTIL
	JMP F1		/START KEY HIT
	SAE
	GOKEY
	JMP TRER1	/WRONG KEY
/
/NOW EYES MUST REMAIN IN FIXATION REGION
/(FIX1RG) UNTIL SACCADE STARTS. IF NO
/SACCADE WITHIN MXSCRT MSECS, ERROR.
/
	LDA I
FIX1RG,	-0		/FIXATION REGION
	STC KEYREG
	LDA I
PRESTM,	NOP		/PRESET DISP SUB
	STC STIMUL
	LDA I
MXSCRT,	3000		/MAX EYE RT
	JMP HOLREG
	JMP .+3		/CHECK FOR SAC.
	JMP TRER2	/TOO LONG EYE RT
	JMP TRER3	/ILLEGAL RESP
	SAE I
	0		/SACCADE REG?
	JMP TRER4	/SPURIOUS SAC.
	STC KEYREG
	LDA I
SACSTM,	NOP		/PRESET DISP SUB
	STC STIMUL
	ADD TIMER
	STA I
EYERT,	0		/SAVE EYE RT
	COM
	ADA I
MNSCRT,	310		/.2 SEC<EYE RT?
	APO I
	JMP TRER5	/TOO QUICK ONSET
	LDA I
MAXSAC,	62		/MAX SAC DUR
	JMP HOLREG
	JMP .+3		/END OF SAC?
	JMP TRER6	/SAC TOO LONG
	JMP TRER3	/PREMATURE RESP
	SAE I
FIX2RG,	1		/IN TARGET REG?
	JMP TRER7	/ILLEGAL SAC
	STC KEYREG
	ADD TIMER
	COM
	ADA I
MINSAC,	12		/MIN SAC DUR
	APO I		/SAC TOO FAST?
	JMP TRER8
	LDA
	TIMER
	STA I
SACDUR,	0		/SAVE SAC TIME
/
/TARGET FIXATION BEGINS. PRESENT THREE
/STIMULUS INTERVALS. NO RESP ALLOWED
/UNTIL START OF 3RD INTERVAL, DURING
/WHICH RESP MUST OCCUR.
/
	LDA I
STIM1,	NOP		/PRESET DISP SUB
	STC STIMUL
	LDA I
S1DUR,	0
	AZE I
	JMP .+5		/NO STIM1 PHASE
	JMP HOLREG
	JMP TRER9	/ILLEGAL SAC
	SKP		/S1 OVER - OK
	JMP TRER3	/PREMATURE RESP
	LDA I
STIM2,	NOP		/PRESET DISP SUB
	STC STIMUL
	LDA I
S2DUR,	0
	AZE I
	JMP .+5		/NO STIM2 PHASE
	JMP HOLREG
	JMP TRER9	/ILLEGAL SAC
	SKP		/S2 OVER - OK
	JMP TRER3	/PREMATURE RESP
	LDA I
STIM3,	NOP		/PRESET DISP SUB
	STC STIMUL
	LDA I
MAXRT,	3000		/S3 ON TILL RESP
	JMP HOLREG
	JMP TRER9	/ILLEGAL SAC
	JMP TRER10	/RT TOO LONG
/
/STIMULUS SEQUENCE OVER - SAVE RESP=0
/IF ERROR,=KEY>0 IF CORRECT, AND -N FOR
/TRIAL ERROR N, WHERE N=JMP ADDR OF ERR.
/
	SAE I
BUTCOR,	0		/CORRECT?
	CLR
	STC RESP
/IF SW 1 UP, TYPE OUT SACCADE DURATION
	SNS 1
	JMP STRLRJ
	JMP CRLF
	ADD SACDUR
	JMP DECPUT
STRLRJ,	HLT		/RETURN
/
/
/SECTION HANDLES VARIOUS TRIAL ERRORS.
/TYPES OUT ERROR MESSAGE ON TTY, THEN
/SETS RESP=PC OF ERROR (<0) & RETURNS
/
TRER1,	SET I 1
	TEL1-4000
	JMP TRERR	/MESSAGE+RERUN
TRER2,	SET I 1
	TEL2-4000
	JMP TRERR
TRER3,	SET I 1
	TEL3-4000
	JMP TRERR
TRER4,	SET I 1
	TEL4-4000
	JMP TRERR
TRER5,	SET I 1
	TEL5-4000
	JMP TRERR
TRER6,	SET I 1
	TEL6-4000
	JMP TRERR
TRER7,	SET I 1
	TEL7-4000
	JMP TRERR
TRER8,	SET I 1
	TEL8-4000
	JMP TRERR
TRER9,	SET I 1
	TEL9-4000
	JMP TRERR
TRER10,	SET I 1
	TEL10-4000
	JMP TRERR	/GET PC
TRERR,	LDA
	0		/JMP PC
	STC RESP
	SET 4
	1
	JMP MESSAG	/ERR MESSAGE
	SNS 0		/SHOW MESSAGE IF
	JMP ENDTRL	/SW 0 UP
	JMP WAIT1
	SET 3
	4
	JMP SCOPE
	JMP READ1
	JMP .-4
	JMP ENDTRL
/
/TRIAL-ERROR MESSAGES
/
TEL1,	TEXT "WRONG START KEY "
	4300
TEL2,	TEXT "MOVED TOO LATE"
	4300
TEL3,	TEXT "PREMATURE RESP"
	4300
TEL4,	TEXT "OFF FIX BEFORE MOVE "
	4300
TEL5,	TEXT "MOVED TOO SOON"
	4300
TEL6,	TEXT "MOVE TOO SLOW "
	4300
TEL7,	TEXT "MOVE NOT ON TARGET"
	4300
TEL8,	TEXT "MOVE TOO QUICK"
	4300
TEL9,	TEXT "OFF TARGET BEFORE RESP"
	4300
TEL10,	TEXT "RT TOO LONG "
	4300
/
/SUBR TYPES AC AS SIGNED DECIMAL INTEGER
/
DECPUT,	STC INVAL	/SAVE ARG
	ADD
	STC DECRET	/RET AD
	ADD INVAL
	APO I
	JMP .+6		/>0:NO "-"
	COM
	STC INVAL	/ABS(ARG)
	ADD C255
	JMP TYPE	/"-"
	SET I 17
	260		/"0"-COUNT DIGIT
	ADD INVAL
	ADA I
	-144		/HUNDREDS
	APO
	JMP .+3
	XSK I 17
	JMP .-5
	AZE I		/-0?
	JMP .-3		/KEEP GOING
	ADA I
	144		/RSETORE REM.
	STC INVAL
	ADD 16
	JMP TYPE	/HUNDREDS
	SET I 16
C260,	260
	ADD INVAL
	ADD MD10
	APO
	JMP .+3
	XSK I 16
	JMP .-4
	AZE I
	JMP .-3
	ADD D10
	STC INVAL
	ADD 16
	JMP TYPE	/TENS
	ADD C260
	ADD INVAL
	JMP TYPE	/UNITS
DECRET,	HLT		/R.J.
/
/AFTER TYPING INITIAL SPACE,
/SUBR ACCEPTS SIGNED 3-DIGIT DECIMAL
/INTEGER FROM TTY. LEADING ZEROES NEEDNT
/BE ENTERED; AND A CR IS THE
/TERMINATOR. THE OBTAINED VALUE IS 
/RETURNED VIA AC AND LEFT IN ADDRESS
/SPECIFIED BY 17. INITIAL CR LEAVES OLD
/VALUE INTACT AND RETURNS CALL+1.
/ELSE RETURNS CALL+2. ILLEGAL ENTRY
/IGNORED AND RESTARTED.
/
GETDEC,	LDA
	0
	STC GETRET	/R.J.
ENTRY,	LDA I
	240
	JMP TYPE	/SPACE
	JMP INPUT
	ADD DIGITS
	SAE I
M4,	-4		/ANYTHING INPUT?
	SKP
	JMP GETRET	/RETURN CALL+1
	LDA I
	1
	ADM
	GETRET		/RETURN CALL+2
	LDA
	INVAL
	STA 17		/SET NEW VALUE
GETRET,	HLT		/RJ
	ADD ASCII
	SAE I
	215		/LAST CHAR=CR?
	JMP ENTERR
	LDA
	INVAL
GETRET,	HLT		/WITH AC=VAL
/
INPUT,	LDA
	0
	STC INPTRJ
	STC INVAL	/BUILDS VALUE
	ADD INOP	/SIGN="NOP"
	STC SIGN
	ADD M4
	STC DIGITS	/INDEXES DIGITS
	JMP INCHAR	/CH&ECHO NON-CR
	SHD I
	4000		/SKIP LEAD BLNK
	JMP .-3
	SAE I
	215
	SKP
	JMP HAVEIT	/INITIAL CR
	SAE I
C255,	255		/"-"?
	JMP NEXDIG+1	/SHOULD BE DIGIT
	LDA I
	COM
	STC SIGN	/SIGN SET
NEXDIG,	JMP INCHAR
	SAE I
	215		/CR?
	SKP
	JMP HAVEIT
	ADA I		/DIGIT?
	-257
	APO
	JMP ENTERR	/ILLEGAL CHAR
	ADA I
MD10,	-12		/DIGIT?
	APO I
	JMP ENTERR
	ADD C11		/RESTORE DIGIT
	AZE I
C11,	CLR		/-0 TO +0
	STC TT		/TEMP
	ADD C1
	ADM I
DIGITS,	0		/=-0 IF 4TH DIG
	AZE I
	JMP ENTERR
	LDA I
INVAL,	0
	MUL I
D10,	12		/DEC. SHIFT LEFT
	ADA I
TT,	0
	STC INVAL
	JMP NEXDIG
HAVEIT,	LDA
	INVAL
SIGN,	NOP		/NOP OR COM
	STC INVAL
INPTRJ,	HLT		/RJ
/
/SUBR ACCEPTS TTY CHAR AND ECHOES NON-CR
/LEAVES CHAR IN "ASCII" & AC. IF CTRL/C,
/RESTARTS AT MONIT.
/
INCHAR,	LDA
	0
	STC INCRET
	IOB
	6031		/KSF
	JMP .-2
	IOB
	6036		/KRB
	STA I
ASCII,	0
	SAE I
	203		/CTRL/C?
	SKP
	JMP MONIT
	SAE I
C215,	215
	JMP TYPE	/ECHO NON-CR
	LDA
	ASCII
INCRET,	HLT		/RJ
/
/CONTROL ARRIVES HERE WHEN TYPED ENTRY
/FOR PARAMETER IS ILLEGAL.
/
ENTERR,	LDA I
	277
	JMP TYPE	/?
	LDA I
C275,	275		/=
	JMP TYPE
	JMP ENTRY	/REDO IT!
/
/SUBR TYPES OUT MESSAGE FROM PACKED
/ASCII CODE - 43 GENERATES CR&LF, AND 00
/TERMINATES OUTPUT. ADDRESS OF SOURCE
/POINTED (-1/2) BY 12.
/
MESSAG,	LDA
	0
	STC MESRET	/R.J.
NXCHAR,	LDH I 12
	AZE I
MESRET,	HLT		/RJ
	SAE I
	43		/CR?
	JMP .+3
	JMP CRLF	/DO CR,LF
	JMP NXCHAR
	ADA I
	-37		/ADD 100 OR 200
	APO		/FOR 8-BIT CODE
	ADD C100
	ADA I
	237
	JMP TYPE	/TYPE 8-BIT CODE
	JMP NXCHAR
C100,	100
/
/SUBR TYPES CR&LF
/
CARRET,	LDA I
C215,	215
	PDP
	PMODE
	JMP TYPE
	TAD C212
	JMP TYPE
	LINC
	LMODE
	JMP
	PMODE
C212,	212
	LMODE
/
/SUBR TYPES AC
/
TYPE,	PDP
	PMODE
	TLS
	TSF
	JMP .-1
	CLA
	LINC
	LMODE
	JMP
/
/PATTERN WORDS FOR CHAR DISPLAY FOLLOWS
PATRN,	4477		/A
	7744
	5177		/B
	2651
	4136		/C
	2241
	4177		/D
	3641
	4577		/E
	4145
	4477		/F
	4044
	4136		/G
	2645
	1077		/H
	7710
	7741		/I
	0041
	4142		/J
	4076
	1077		/K
	4324
	177		/L
	301
	3077		/M
	7730
	3077		/N
	7706
	4177		/O
	7741
	4477		/P
	3044
	4276		/Q
	376
	4477		/R
	3146
	5121		/S
	4651
	4040		/T
	4077
	177		/U
	7701
	176		/V
	7402
	677		/W
	7701
	1463		/X
	6314
	770		/Y
	7007
	4543		/Z
	6151
	4177		/[
	0000
	2040		/\
	0410
	0		/]
	7741
	7000		/APOST.(TYPE ^)
	0
	3410		/BACK ARROW
	1010
	0		/BLANK
	0
	7500		/!
	0
	7000		/"
	70
	3614		/NO. SIGN
	1436
	7721		/$
	4677
	1446		/%
	6130
	5166		/&
	0523
	500		/APOSTROPHY
	6
	3600		/(
	41
	4100		/)
	36
	2050		/*
	50
	404		/+
	437
	605		/,
	0
	404		/-
	404
	1		/.
	0
	601		//
	4030
	4136		/0
	3641
	2101		/1
	177
	4523		/2
	2151
	4122		/3
	2651
	2414		/4
	477
	5172		/5
	651
	1506		/6
	4225
	4443		/7
	6050
	5126		/8
	2651
	5120		/9
	3651
	4200		/:
	0
	2601		/;
	0
	2410		/<
	42
	1212		/=
	1212
	4200		/>
	1024
	4020		/?
	2055
/



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. 

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