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konessem

NES emulator written in Kotlin from scratch.

Demo

falling.gif

tkshoot.gif

I believe you can play Super Mario Bros on Konessem :)

How to try this?

  • Prepare NES file

  • Run Konessem and choose the NES file

    ./gradlew run
    

Controls

  • Up: W
  • Down: S
  • Left: A
  • Right: D
  • A: K
  • B: L
  • Select: ,
  • Start: .

Unsupported features

  • APU
  • Accurate cycle calculation
  • Other non-volatile memory
  • Large CHR ROM (> 8KB)
  • 2nd keypad
  • Unofficial opcodes (Added some codes, but I don't think they correctly work)