3 todo

august edited this page 2024-02-20 17:41:37 -05:00

Table of Contents

• todos
• hardware
• emulator

todos

hardware

• clock
  • main 2Mhz
  • 12Mhz pixel clock
• memory glue logic
  • ram
  • rom
  • vram
  • hardware control register
  • i/o
    • keyboard
    • audio
• video circuit
• i/o
  • keyboard
    • matrix/switches
    • george-side connections, reading logic
  • 3.5mm jack
  • microcassette drive (do this after george is finished, add headers & glue logic for interfacing to be hooked up later)
    • figure out how each pin on the drive works

emulator

• cpu
  • instruction functions
    • implement
    • test
  • interrupts
    • wai instruction
• memory
  • reading
  • writing
  • shared access between threads
  • banking
• video
  • windowing
  • hires mode
    • display framebuffer contents
    • hardware-accurate addressing
  • character mode
    • ascii decoding
    • character rom
      • write a utility to translate cozette.bdf into a binary to be loaded on the rom
    • hardware-accurate addressing
• audio
• i/o
  • keyboard interface
    • update keyboard memory register on key down/up