Insert ROM Chips
This is a genuine emulator, not a fake. It needs the three real C64 ROM images (you must supply them — they're copyrighted). Drop the files or click to browse.
SingleStepTests 6502 harness
Runs the community SingleStepTests/65x02 per-opcode fixtures (00.json–ff.json, ~10k cases each) against this 6510 core. No ROMs required. Cycle counts here are approximate, so cycle mismatches are reported but never fail a test.
Idle. Pick a range and hit Run.
COMMODORE 64
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☢ MEMORY CORRUPTOR
CPU
PLA Banking
Disassembly @ PC
Memory
On-screen keyboard (tap keys). Physical keyboard also works. Esc=RUN/STOP · PgUp=RESTORE