https://github.com/claudevandort/c6502

6502 microprocessor emulator
https://github.com/claudevandort/c6502

6502 c99 emulator

Last synced: about 1 month ago
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6502 microprocessor emulator

• Host: GitHub
• URL: https://github.com/claudevandort/c6502
• Owner: claudevandort
• Created: 2024-04-16T00:57:56.000Z (9 months ago)
• Default Branch: main
• Last Pushed: 2024-04-22T07:05:18.000Z (8 months ago)
• Last Synced: 2024-10-12T17:21:02.499Z (3 months ago)
• Topics: 6502, c99, emulator
• Language: C
• Homepage:
• Size: 57.6 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 54
• Metadata Files:
  • Readme: README.md

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README

        
# C6502

## Overview

This is a software emulator for the [6502](https://en.wikipedia.org/wiki/MOS_Technology_6502) microprocessor, written in good old [C99](https://en.wikipedia.org/wiki/C99).

The 6502 was widely used in early home computers and game consoles like the [Commodore 64](https://en.wikipedia.org/wiki/Commodore_64) and the [Nintendo Entertaiment System](https://en.wikipedia.org/wiki/Nintendo_Entertainment_System).

I chose C99 since I want as little language abstractions as possible, and also, there's something about emulating a vintage system using vintage C.

## Features

- CPU/memory model, and basic operations.

- Implementation of [opcodes](http://www.6502.org/tutorials/6502opcodes.html) (still in progress).

- Testing of capabilities using [CUnit](https://cunit.sourceforge.net).

## Getting started

### Compile

The main function in this project just runs the tests:

```shell

make test

```

### Debug

Additionally, you can choose to debug the test execution, for that you can make a debug build and then debug using GDB or LLDB.

```shell

make debug-build

```