nqsap
Not Quite Simple As Possible breadboard computer (by TomNisbet)
nqsap-pcb
NQSAP 8-bit computer PCB version (Work in Progress) (by TomNisbet)
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
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.
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.
nqsap
Posts with mentions or reviews of nqsap.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-07-09.
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BEAM Computer!
I found invaluable ideas in Tom's NQSAP 8-bit computer (both breadboardand PCB builds) that features most of the 6502 instructions and addressing modes. NQSAP led me to deep dive into overflow, ALU understanding, learning about glitches and in general to assimilate a ton of clever ideas that Tom leveraged in his builds.
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connect the worlds worst graphic card with the 8 bit cpu?
I’m currently finishing up a modular PCB version of the design that has a few optimizations to minimize the EEPROM issue. Once it is finished, I’m planning to see how fast it can be clocked. There is a lot of documentation on the breadboard version here and the PCB version is in the same repo: https://tomnisbet.github.io/nqsap/
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16-Bit Processor (Step 1: Approach to Bus and Modules)
Sure thing! I have a write up on github, along with all of the schematics, microcode, and support files. The original breadboard version is here: https://tomnisbet.github.io/nqsap/
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Whats a good list of all the well documented "Upgraded 8bit Ben Eater Computer. I see things like SAP-1 SAP-3 etc etc some names mentioned.... Rolf computer?
Also this guy did some decent documenting. https://tomnisbet.github.io/nqsap/
- The Not Quite Simple as Possible (Nqasp) Breadboard Computer
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What to do with your build post-project
I started with an 8-bit SAP-1 design and then added on a bunch of extensions until it had many of the equivalent instructions and addressing modes of a 6502 processor. As the build progressed, I documented it all on this github page.
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First set of boards for an 8-bit build
Just got the first set of boards for my PCB version of the 8-bit computer. The computer is a new build of my NQSAP design. The PCB layout is based on this post from u/djh82uk: https://www.reddit.com/r/beneater/comments/pn4j6j/finally_complete_with_all_bugs_fixed/ with a few changes:
nqsap-pcb
Posts with mentions or reviews of nqsap-pcb.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-07-09.
-
BEAM Computer!
I found invaluable ideas in Tom's NQSAP 8-bit computer (both breadboardand PCB builds) that features most of the 6502 instructions and addressing modes. NQSAP led me to deep dive into overflow, ALU understanding, learning about glitches and in general to assimilate a ton of clever ideas that Tom leveraged in his builds.
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74LS181 Overview Video
There is a lot of commenting in the Arduino code that creates the microcode ROMs. Look around line 330 for the start of this.
- 8-bit CPU PCB build complete... or is it?
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8-bit PCB build almost complete
The NQSAP-PCB GitHub repo contains all of the KiCad files, source code, and lots of documentation.
What are some alternatives?
When comparing nqsap and nqsap-pcb you can also consider the following projects:
The-8-bit-SAP-3 - Documentation and source files for a SAP-3 breadboard Computer
uConfig - Datasheet pinout extractor from PDF and library Stylizer for Kicad.