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pin23 - D2 - pin no 31 of CPU
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pin24 - D3 - pin no 30 of CPU
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pin25 - D4 - pin no 29 of CPU
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pin26 - D5 - pin no 28 of CPU
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pin27 - D6 - pin no 27 of CPU
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pin28 - D7 - pin no 26 of CPU
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pin29 - GND
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pin30 - GND
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pin31 - Ø2 - pin no 29 of ANTIC
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pin32 - GND
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pin33 - N/C (not connected)
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pin34 - RST - pin no 36 of ANTIC
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pin35 to pin41 - N/C
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pin42 - GND
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pin43 - MPD - pin no 14 of MMU (in the case of Atari XEGS look
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pin44 - N/C
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pin45 - GND
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pin46 - R/W: Read/write direction - pin no 14 of ANTIC
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pin47 - VCC (power supply - e.g. pin no 8 of CPU)
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pin48 - VCC
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pin49 - N/C
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pin50 - GND
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*
If you have Atari XEGS you have to replace original MMU chip with programmed GAL 16V8.
Some tips.
1. If you used too long wire to made your connection you can experience some distortion in
KMKDIAG application
2. Signals A0-A15 and D0 can be find on ANTIC, GTIA and POKEY as well, not only on CPU.
- Atari Fan Store
http://afs.atari.org
below)*
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