asm6502

Requirements:

By default, this project uses cmake to generate all the build files. On my machine, this happens to default to make. I've configured CMakeLists.txt to use clang. Remove that declaration if you want to use a different generator/compiler.

This code runs great on Linux. I'm building with clang=16.0.6 but gcc=13.2 works great too. I am not going to offer any Windows support.

Building:

This is the simplest way to get started:

cd asm6502
mkdir build
cd build
cmake ..
make asm6502
# Optional debug build (w/ debug symbols and extra debug output for the lexer):
make asm6502-dbg

Feedback

An artist was presenting their latest painting at a gallery's open-house event, when a famous art critic walked up, and said:

Critic: "May I give you some criticism?"

Artist: "Sure thing."

Critic: "It's useless."

Artist: "I know, but you can give it to me anyway."

This is all to say that this project was mostly done as an exercise in systems programming and mucking around with bitwise operations.

I really can't be asked to improve it stylistically, beyond refactoring some logic here and there. I know my naming conventions aren't particularly consistent, and sometimes are kinda misleading (e.g., I use a variable called opcode sometimes, and the OP struct has a member called .opcode when it should probably be .mnemonic or something.) Alas, my time is much better spent implementing one of the TODOs or working on the emulator counterpart to this project.

If you have any suggestions for improvements, like where you think I can reasonably save a couple clock cycles, then I'll be glad to implement those kinds of changes.

Contributing

This is strictly a personal learning project. Please don't open a pull request or I will cry :'(