phison
Projects
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
phison
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Apple to Move a Part of Its Embedded Cores to RISC-V
Here's one with a 250MHz 8051: https://github.com/flowswitch/phison/wiki/PS2303
They don't need anything as powerful as ARM (and thus avoid the licensing fees), and it's a very price-sensitive market, so a fast 8051 + accelerator hardware is enough.
No doubt some of the more expensive ones may be ARM-based, but I think the 8051-based ones far outsell them in volume.
Projects
- Processor's microcode pipeline from die analysis
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Building a Frankenstein 64
Nice work and thanks for the writeup. Ted Fried has a variety of microsequencer based CPU cores based on FPGA (and ARM) and I think they are quite good.
https://microcorelabs.wordpress.com/2021/04/19/mcl64-worlds-...
https://github.com/MicroCoreLabs/Projects
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Show HN: Tenebra game PC port of popular Commodore 64 game
At that point you might as well go MCL64 Teensy replica https://microcorelabs.wordpress.com/2021/04/19/mcl64-worlds-...
"comparing the Super CPU accelerated to 20Mhz and the MCL64 in its accelerated mode, the MCL64 is roughly 2X faster than the Super CPU"
https://microcorelabs.wordpress.com/2021/04/16/mcl64-mos-651...
https://microcorelabs.wordpress.com/2021/03/14/mcl64-commodo...
Fully open source https://github.com/MicroCoreLabs/Projects/tree/master/MCL64
- Macintosh booting!
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Apple to Move a Part of Its Embedded Cores to RISC-V
There is a difference, but not much!
https://github.com/MicroCoreLabs/Projects/tree/master/MCL51
- ANNOUNCE: 68000 test cases
- What's everyone currently working on?
What are some alternatives?
serv - SERV - The SErial RISC-V CPU
picorv32 - PicoRV32 - A Size-Optimized RISC-V CPU
decaf-emu - Researching Wii U emulation.
XTulator - XTulator is a portable, open source x86 PC emulator currently supporting the 8086 instruction set and 80186 extensions.
temu-vsb - TEMU ("Tandy Emulator") and VSB ("Virtual Sound Blaster"), two nifty MS-DOS TSR utilities originally developed by Andrew Zabolotny (Андрей Заболотный).
gba-tests - A collection of Game Boy Advance tests.
SNES - SNES Assembly Programming
PSX - PlayStation Bare Metal Mips Assembly Programming
ruby - A PlayStation emulator written in C++
GBA - Game Boy Advance Bare Metal Assembly Programming
rust64 - Commodore 64 emulator written in Rust