Symulator

If you are not keen on building a pcb based  6502 computer here is SYM-1 emulator ..that let you simulate running of the monitor, assembler and basic ...

Click on picture to download the emulator..

 Once you install the software and run it  ... in the SETUP tab .... select the SYM-ROM option ...  press run and you should get the monitor "." prompt .. then operate as you would a real SYM-1 board