Subunit organization

Block diagram of everything currently implemented

• [~] The 6502 Arithmetic Logic Unit
  • [x] mos_6502_alu
  • [x] adder_hold_register
  • [x] a_input_register
  • [x] b_input_register
  • [ ] (todo) BCD Corrector
• Ricoh2A03_Instruction_Decoder
  • [ ] Predecode register
  • [ ] Predecode logic
  • [ ] Instruction register
  • [ ] Timing generation logic
  • [ ] Instruction decoder ROM
  • [ ] Interrupt controller
  • [ ] Ready controller
• Ricoh2A03_Program_Counter
  • [ ] Program Counter Select registers
  • [ ] Program Counter registers
  • [ ] Program Counter increment logic
• [~] MOS 6502 Datapath
  • [x] index_register - X and Y index registers
  • [x] accumulator
  • [~] mos_6502_datapath
  • [x] Address Bus registers
  • [ ] Stack pointer
  • [ ] Gate and charge MOSFETs
  • [x] status_register
  • [x] data_input_latch
  • [x] data_output_latch