6502: ROM Installed, First Real Program

Got the ROM installed — can now actually program the microprocessor.

6502 breadboard computer with ROM and clock module Barebones ROM wiring on breadboard 6502 Close-up of ROM wiring

First program on the 6502 that does meaningful work: writes something to the A register then stores it at a specified memory location (0x6000).

Logic analyzer output showing first 6502 program execution