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M8 Motorino Game Board
The M8 Game Board combines a TMS9918A Video Display Processor (VDP), dual Phillips SAA1099P sound synthesizers, and dual joystick inputs.
https://github.com/KenWillmott/M8-Game-Board
M8 Game Board Wiki:
https://github.com/KenWillmott/M8-Game-Board/wiki
Bit 0 of each HCT541 is a read of the corresponding synth's DTACK pin for polling when using slower commands.
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