beebjit
6502-emu
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| beebjit | 6502-emu | |
|---|---|---|
| 1 | 1 | |
| 124 | 29 | |
| - | - | |
| 8.7 | 0.0 | |
| 28 days ago | almost 2 years ago | |
| C | C | |
| GNU General Public License v3.0 or later | MIT License |
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beebjit
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MHz 6502
I was wondering how quick an emulated 6502 could go. This project claims 10GHz+ using JIT emulation: https://github.com/scarybeasts/beebjit
6502-emu
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I made Ben Eater's 8-bit breadboard computer Emulator in C++
I wrote an emulator for my own 6502-based computer, in C:
https://github.com/DavidBuchanan314/6502-emu/
The hardware design was largely based on http://searle.x10host.com/6502/Simple6502.html - the 6850 UART is the only peripheral that is emulated.
The CPU implementation is "complete", and passes various 6502 test suites.
Looking back, there's one big thing I'd like to improve - all memory bus accesses should be done through a getter/setter function, which implements the address decoding logic to decide whether the access should be directed to RAM, or a peripheral. The current implementation of peripheral access, iirc, is a bit of a hack.
What are some alternatives?
bbc-fdc - Floppy disk interface for Raspberry Pi
SAP-1 - Simple as Possible CPU Architecture
CoPro6502 - FPGA implementations of BBC Micro Co Processors (65C02, Z80, 6809, 68000, x86, ARM2, PDP-11, 32016)
json65 - A JSON parser written in 6502 assembly language.
revs-beebasm - Fully documented and annotated source code for Revs on the BBC Micro
champ - A 65C02 profiler
reinette-II-plus - reinette II plus, a french Apple II plus emulator, using SDL2 and powered by puce6502, a MOS 6502 cpu emulator
TinyE8 - Ben Eater's 8 bit breadboard computer emulator in C++
puNES - Qt-based Nintendo Entertaiment System emulator and NSF/NSF2/NSFe Music Player (Linux, FreeBSD, OpenBSD and Windows)
primula - A simple circuit simulator