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RE6502
RE6502 is an emulator for the 6502 cpu written in rust. The project comes with a very basic virtual machine for testing (it just has simple I/O functionality) as well as some test programs (find these in simple_test_machine/programs). The test programs can be built with the win2c64 (or lin2c64, or mac2c64) assembler which can be found here: https://www.aartbik.com/retro.php. Theoretically any 6502 assembler should work but win2c64 is the one I've been using for testing.
Building
The emulator doesn't really do anything on it's own but you can build it with the normal cargo build or cargo run if you run this program it will just do some simple internal tests. There are also unit tests you can run with cargo test. To make better use of the emulator you'll need to use it as a component of a larger emulator/vm. Take a look a the Simple Test Machine project to see how to use the RE6502 as a component.