mirror of
https://github.com/holub/mame
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057fcc429f
* Removed BAD_DUMP flag from josvolly MCU dump - there's no reason to believe the MCUs contain different programs, and Allumer were known to use different silkscreen on identical parts (would still be nice to get confirmation). * Connected gsword MCUs and correted connections for DIP switches, player inputs, start buttons, coin chutes, and coin counters. * Lots of guesses due to lack of measurements, schematics, or even good PCB pictures. * Demoted gsword to MACHINE_NOT_WORKING and MACHINE_IMPERFECT_SOUND as there are issues with credits registering and sound. * Added extensive notes. (nw) I'm pushing this in case someone else wants to take a look. The actual MCU emulation seems to be working, and the MCUs are communicating without errors. The MCUs checksum three quarters of their program ROM (passing) and the other quarter all looks good. The problems may stem from some status flag not propagating back to the main CPU, or possibly something in the interrupt logic that was working before because serial communication delays were inaccurate. Although previously a set of four MCUs were simulated, there are only three actually present. The second I/O MCU was mapped at a location never accessed by the sub CPU. |
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