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6502 Based breadboard computer

Breadboard computer based around the 6502 microprocessor using Ben Eaters architecture

Parts

  • 65c02 microprocessor
  • 65c22 Versatile Interface Adapter
  • 28C256 EEPROM
  • 62256 SRAM
  • LCD Display

Support software

Assembled using vasm assembler

EEPROM programmed using TommyPROM arduino based programmer

Reference steps

Programming EEPROM

  1. Connect programmer to computer via USB and inster EEPROM into breadboard
  2. Launch minicom from terminal with the appropriate serial port. ex: minicom -D /dev/tty.usbserial-1431340
  3. In TommyPROM interface send command W0 to write EEPROM (may need to unlock EEPROM with U command first)
  4. Press CTRL-I then S to send file using xmodem, follow the onscreen promts to select and send the appropriate binary file

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6502 based Breadboard computer based on Ben Eater's architecture

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