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beekonami's Introduction

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Konami custom IC emulation engine, kinda

License

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BeeKonami is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

Copyright

(C) 2023 BueniaDev. This project is not affiliated in any way with Konami. Any logos, brandings or other markings featured herein are the registered trademarks of their respective owners.

For information regarding BeeKonami's stance on copyright infringement, as well as proof of BeeKonami's legality, see the LEGAL.md file in this repository.

beekonami's People

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beekonami's Issues

Finish K052001 core

Checklist:

  • Implement remaining indexed modes
    • Direct
    • Post-increment
    • Pre-decrement
    • Post-increment double
    • Pre-decrement double
  • #5
  • Implement remaining CPU instructions (specifics TBD)
  • Implement interrupts
    • NMI
    • FIRQ
    • IRQ

K054539 schematics

The K054539, used as the main sound chip in X-Men, Xexex, and a bunch of other Konami arcade games, including the Konami GX line, has no internal schematics or die shot publicly available. In addition, MAME's implementation of this chip doesn't really sound right compared to real hardware.

We need somebody to decap and image this chip, so that it can properly be reverse-engineered.

K053252 schematics

The K053252, used in Overdrive, Escape Kids, and several other Konami arcade titles (including the entire Konami GX line), has no schematics publicly available.

A die shot of this chip is available on siliconpr0n, but it still needs to be traced and its schematics still need to be derived.

K007232 core

Checklist:

  • Commit source files
  • Implement writes
  • Implement clocks
  • Implement counters
    • CNT1
    • CNT2
    • CNT3
  • Implement rest of chip (specifics TBD)

Implement remaining ALU instructions in K052001 core

Checklist:

  • Implement (currently) remaining ALU opcodes:
    • Add with carry
    • Subtract
    • Subtract with carry
    • Logical OR
    • Logical XOR
    • Bit test
    • Complement
  • Implement all other remaining ALU instructions (specifics TBD)

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