Vulcan-75 Retro 6502 powered game system

VULCAN-74 RETRO GAME COMPUTER

A POWERFUL RETRO GAME COMPUTER BUILT USING ONLY 1980'S LOGIC AND A SINGLE 6502 CPU.

LAST UPDATE : MAY 18 2019 / TOTAL PAGES : 9


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  • PAGE 1
  • How I built The MOAB (Mother Of All Breadboards) in order to make this project a reality.



  • PAGE 2
  • Using CAT-5 wire for breadboard connections. How to cut, strip and straighten the wire.



  • PAGE 3
  • Using 7400 Logic Chips in DIP format (Dual Inline Package) and how to save board space.



  • PAGE 4
  • A Basic Schematic and plan for getting the 6502 up and running without using any ROMs.



  • PAGE 5
  • RAM, lots of RAM! Here is how I create breadboard friendly sockets for SOJ packaged SRAMs.



  • PAGE 6
  • Completing 25 SRAMs for the project (12.5 MB), all hand wired to individual DIP sockets.



  • PAGE 7
  • Connecting the 6502 Microprocessor and its clock as well as the 64K Program Memory.



  • PAGE 8
  • The 6502 Boots! With some of the IO decode circuit completed a 32 LED chaser is created.



  • PAGE 9
  • Input testing with a C64 compatible 9 pin joystick. Vulcan can now read and write hardware.