Lecturer/Researcher @ PUC-Rio ICAD/Visionlab
This user joined on 02/02/2021.
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List of boards and other projects using Baffa-2 Homebrew Microcoputer
Curated by Augusto Baffa
ZX80/ZX81 clone based on Grant Searle's description (http://searle.x10host.com/zx80/zx80.html)
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Thank you for liking my #CRISS CP/M 8-bit Homebrew DIY Computer (AVR based) project! Join us at https://discord.gg/cbtxAJE2
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Thanks for inviting... already there :)
Hi @Augusto Baffa - Thank you for following my #Homebrew CPU list.
I'm currently addicted to homebrew cpu projects :D
Thanks Augusto for your interest in my 2:5 Scale KENBAK-1 Personal Computer Reproduction project.
Thank you for your interest in my Sol-20 Reproduction Augusto.
Thanks for following RunCPM.
Make sure to join our Discord server. Lots of good people and cool things happening there.
More details on the GitHub Readme.
Thank you for liking and following my project #PERSEUS-8 homemade 6502 computer ! Now I am making a single precision BCD floating point input/output machine language program on this computer.
Hi Augusto, thanks for following CPU4.The CPU4 was a "push" in the direction of a "programmable micro-code" CPU. I felt it was chip expensive without any real advantage (too many clock cycles to do anything).
That is, it is a dead end.
My 8 bit TTA Interpreter project was a better implementation of the "programmable micro-code model", but an 8 bit memory paging system resulted in a unreasonably small memory page. Even so I did manage to code a serial I/O interrupt, call/return, push/pop codes, etc. I think a 12 bit version of the TTA Interpreter may have merit platform for a demonstration computer.
I do have a single/double cycle 4 bit CPU prototype in the pipeline that I am excited about. Just some pencil drawings at the moment. 16 instructions and less than 20 SSI chips excluding RAM/ROM.
As you have noticed I am not really a fan of LSI PROM microcode systems.
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