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MOS 6502 Emulator in C

BSD-2-Clause license

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Name		Name	Last commit message	Last commit date
Latest commit History 113 Commits
tests		tests
.gitignore		.gitignore
LICENSE		LICENSE
Makefile		Makefile
README.md		README.md
fake6502.c		fake6502.c
fake6502.h		fake6502.h
test.c		test.c

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Fake6502

MOS 6502 Emulator in C.

Features

Full MOS 6502 instruction set, including all undocumented opcodes.
Small (<500 lines of code, including comments).
Passes all relevant test suites.

Test suites

Klaus Dormann functional test, and decimal test.
Bird Computer test suite.
Ruud Baltissen ttl6502 test suite.
Lorenz test suite for undocumented opcodes.
Visual6502 test for adc/sbc in decimal mode with invalid arguments.
Piotr Fusik tests.
Avery Lee tests.
hcm6502 tests.

Credits

This is a heavily bug-fixed and extended continuation of Fake6502 by Mike Chambers, Copyright © 2011-2013. All new code is Copyright © 2024 by Ivo van poorten. License is BSD 2-Clause.