Document Title: [MajorHavoc.txt (text file)]
8/31/95 Typed in by Franklin Bowen (tfbowen@ingr.com or mjrhavoc@clark.net)
(format stolen from Tempest.pin)
2/15/96 Corrected P18 from a 30-pin connector to a 24-pin connector
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Pinouts for "Major Havoc" (Atari, 1983 (according to docs), 1984 (by KLOVDB))
P20: 44-pin edge connector
component side solder side
-------------- -----------
GND A 1 GND
+5V B 2 +5V
C 3
D 4
+10.3 VDC UNREG E 5
SELF TEST F 6 COIN R
H 7 COIN L
J 8 AUDIO 1
COIN AUX K 9 AUDIO 2
FIRE L 10
GND M 11 GND
SW GND N 12 SW GND
SHIELD P 13
LIGHT R 14
COIN CTR L S 15
COIN CTR R T 16 DIR
CLK U 17
V 18
-22 VDC W 19
+22 VDC X 20
+5V Y 21 +SENSE (+5V)
GND Z 22 -SENSE (GND)
P18: 24-pin edge connector
component side solder side
-------------- -----------
A 1
B 2
C 3
RED GND D 4 RED
E 5
GREEN GND F 6 GREEN
H 7
BLUE GND J 8 BLUE
X GND K 9 X OUT
Y OUT L 10 Y GND
M 11
N 12
Notes:
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- P20:R LIGHT - There was a light under the roller for the dedicated cabinet.
- If you're converting Major Havoc to run in a cabinet with a vertical
monitor, you can get the game to display correctly by switching the
X-OUT and Y-OUT pins, and/or grounding the X-INVERT and Y-INVERT pins.
- Once you've got the game displayed correctly, you can then fiddle with
the XSIZE and YSIZE pots on the main board to resize the picture until
you get something you like.
- This doesn't work on all monitors, so your mileage may vary, not only
from monitor to monitor, but from board set to board set.
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