6502-emu
SAP-1
| 6502-emu | SAP-1 | |
|---|---|---|
| 1 | 2 | |
| 29 | 59 | |
| - | - | |
| 0.0 | 0.0 | |
| almost 2 years ago | over 1 year ago | |
| C | Python | |
| MIT License | MIT License |
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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.
SAP-1
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I made this 8-bit computer PCB a while back but finally got around to making a walkthrough (schematics are also in the comments)
Ha, I had exactly the same idea a few years back (also based on the Ben eater series): https://github.com/dangrie158/SAP-1
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I made Ben Eater's 8-bit breadboard computer Emulator in C++
It emulates all chips ob the hardware level (chips.py) and does not need any dependencies except py3.7: https://github.com/dangrie158/SAP-1/tree/master/Emulator
What are some alternatives?
json65 - A JSON parser written in 6502 assembly language.
TinyE8 - Ben Eater's 8 bit breadboard computer emulator in C++
champ - A 65C02 profiler
primula - A simple circuit simulator
beebjit - A very fast BBC Micro emulator.
puNES - Qt-based Nintendo Entertaiment System emulator and NSF/NSF2/NSFe Music Player (Linux, FreeBSD, OpenBSD and Windows)