File ROTATE

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[ROTATE
[TEST OF ROTATION OF IMAGES
$20
JMP 4Q
SETi4
-11
#2J SETi1
-7
SETi2
2A-1
LDAi2
STC 2X
LDAi2
STC 2Y
JMP p+5
#2H LDAi2
STC 2X
LDAi2
STC 2Y
JMP 3L
JMP 4P
#2X 0000
#2Y 0000
XSKi1
JMP 2H
JMP 3R
JMP 4P
200
0
JMP 4Q
SETi1
-7
SETi3
2A-1
SETi2
2A-1
#2B LDAi2
MUL
2C+4000
STC 2D
LDA 2
MUL 
2S+4000
STC 2E
LDAi2
MUL
2S+4000
STC 2F
LDA 2
MUL
2C+4000
STC 2G
LDAi
#2F 0000
COM
ADAi
#2D 0000
STAi3
LDAi
#2E 0000
ADAi
#2G 0000
STAi3
XSKi1
JMP 2B
XSKi4
JMP 2J
HLT
#2A 0
0
-100
100
100
100
0
0
0
-100
-100
-100
100
-100
#2C 2653
#2S 2653
[ADD SIMPLOT
[  ------
[   ----
[SIMPLOT
[CALL AS FOLLOWS-
[JMP 4P
[   X
[   Y
[NEXT INSTRUCTION
[AJH, JUNE 1967
#4P LDA
0
BCLi
6000
STC 14
LDA 14
STC 4X
LDAi14
STC 4Y
LDAi14
LDA
14
ADD 4P+3
STC p+2
JMP 4Z
JMP 000
[CLOSEOUT PLOT
#4Q SET 17
0
CLR
STC 3X
STC 3Y
JMP 3R+2
[SET PLOTTER WIDE
#3W LDA
0
STC 3U+20
LDAi
OPR 10
STC 4J+6
LDAi
OPR 7
STC 4J+12
LDAi
OPR 12
STA
3U+12
STC 4K+6
LDAi
OPR 11
STA
3U+3
STC 4K+12
JMP 3U
[SET PLOTTER TALL
#3T LDA
0
STC 3U+20
ADD 3W+17
STA
3U+12
STC 4J+6
ADD 3W+12
STA
3U+3
STC 4J+12
ADD 3W+4
STC 4K+6
ADD 3W+7
STC 4K+12
[RESET PEN POSITION BEFORE STARTING.
#3U JMP 4Q
LDAi
-3000
OPR 11
JMP 4L
ADD 4E
APO
JMP p-4
LDAi
-62
OPR 12
JMP 4L
ADD 4E
APO
JMP p-4
JMP 4Q
JMP 0000
[INTERPOL
JMP 000
#4Z LDA
0
STC 4Z-1
STC 15
ADD 3X
COM
ADD 4X
STAi
#4A 0
APO
COM
STC 4B
ADD 3Y
COM
ADD 4Y
STAi
#4C 0
APO
COM
STC 4D
ADD 4D
COM
ADD 4B
APO
CLR
ADD 4D
AZEi
JMP 4Z-1
ROL 1
XSKi15
APOi
JMP p-3
LDAi
240
ADD 15
STC 4H
ADD 15
COM
ADAi
254
STC 4G
ADD 4E
#4G ROL 10
ADD 4E
COM
STC 15
ADD 4B
JMP 4H
STC 4B
ADD 4D
JMP 4H
STC 4D
STC 4M+3
STC 4M+11
#4M CLR
ADD 4B
LAMi
0
LZE
JMP 4J
CLR
ADD 4D
LAMi
0
LZE
JMP 4K
LDAi
#4I 0
APOi
JMP 4L
COM
STC 4I
ADD 4E
ADM
15
AZE
JMP 4M
JMP 4Z-1
#4X 0
#4Y 0
#4B 0
#4D 0
#4H ROL 4
JMP 0
#4J SET 17
0
LDA
4A
APO
JMP p+5
OPR 10
LDAi
#4E 1
JMP p+4
OPR 7
LDAi
#4F -1
ADMi
#3X 0
CLR
STC 4I
JMP 17
#4K SET 17
0
LDA
4C
APO
JMP p+5
OPR 12
LDA
4E
JMP p+4
OPR 11
LDA
4F
ADMi
#3Y 0
CLR
STC 4I
JMP 17
#4L SET 17
0
SETi16
1640
XSKi16
JMP p-1
JMP 17
[LOWER PEN
#3L SET 17
0
LDAi
#4R 7777
APO
JMP 17
OPR 14
CLR
COM
STC 4R
SETi16
0
XSKi16
JMP p-1
SROi
3333
JMP 3L+12
JMP 17
[RAISE PEN
#3R SET 17
0
LDA
4R
APOi
JMP 17
OPR 13
CLR
STC 4R
JMP 3L+12
[END OF INTERPOL
[SIMPALPH
[END ROTATE



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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