8Blit
Episode source code for the 8-bit Atari 2600 / VCS / Video Computer System, one of the pioneering home gaming consoles. (by kreiach)
hbc-56
Homebrew 6502 on a backplane computer (by visrealm)
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.
8Blit
Posts with mentions or reviews of 8Blit.
We have used some of these posts to build our list of alternatives
and similar projects.
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I asked ChatGPT to write a game for the Atari 2600, and... it did.
I used A.I. (actual intelligence) to make a bouncing ball program for the Atari 2600. ;) https://github.com/kreiach/8Blit/tree/main/s02e05
hbc-56
Posts with mentions or reviews of hbc-56.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-12-06.
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Alternative designs for a keyboard interface?
I use a PIC16F microcontroller. Schematics and PIC code in my HBC-56 repo. https://github.com/visrealm/hbc-56
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After Wozmon I want to create a game - 6502
If you're keen to add a VDP as u/production-dave suggested, I have schematics and a bunch of code in my HBC-56 GitHub repo
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using an atmega micro-controller for managing multiple interrupts?
Schematics are here https://github.com/visrealm/hbc-56/tree/master/schematics/6502
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TSM9918A | Questions asked by a friend without Reddit
The schematics for my TMS9918A display card are in my github repo. It uses a single SRAM instead of the original DRAMs. The circuitry between the TMS9918A and the TV is just a simple transistor follower circuit (shown in the schematic): https://github.com/visrealm/hbc-56/tree/master/schematics/tms9918
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Small PS2 adapter
So this is really just cobbled together from this project by u/visrealm https://github.com/visrealm/hbc-56
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Is my new second hand ps/2 keyboard broken?
I've actually just ordered the perix perrino 409 that sends the AA after self test. The HP keyboard definitely doesn't seem to be working. My plan is to interface it with a PIC microcontroller by copying the setup here: https://github.com/visrealm/hbc-56. from u/visrealm
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6522 Shift register?
It looks like a shift register can be used in connecting a NES controller but likely isn't the full story. Check out u/visrealm's HBC build. He uses separate shift register chip to connect to a NES but maybe the 6522 can be used in a similar way.
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After watching Matt Heffernan's Mandelbrot Battle Royale, I thought I'd give it a go on my HBC-56 (65C02 @ 3.6864MHz + TMS9918A). Four modes: 32x24, 64x48, 64x192 and 256x192 (sort of). . I still need to work on improving color bleeding in the final Graphics II mode. A bit of fun.
It's Assembly. https://github.com/visrealm/hbc-56/tree/master/code/6502/mandlebrot
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4 cards down, 1 to go. No real issues since the R/W switch on the CPU card.
I have most schematics, software, emulator, etc on github. https://github.com/visrealm/hbc-56
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Five new cards arrived today. Hopefully I didn't make too many mistakes...
These are for a 6502 build. https://github.com/visrealm/hbc-56
What are some alternatives?
When comparing 8Blit and hbc-56 you can also consider the following projects:
c64-elite-flicker-free - A patch for Commodore 64 and Plus/4 Elite that removes the flicker
TMS9918A - TMS9918A video card for RC2014
cassette-elite-beebasm - Fully documented and annotated source code for the cassette version of Elite on the BBC Micro
RomWBW - System Software for Z80/Z180/Z280 Computers
spectrum-desolate - 🕹️ Ported Desolate game from TI-83 Plus to ZX Spectrum
6502 - Code for the 6502 microprocessor, mostly for the Replica 1 computer.
vrEmuLcd - Character LCD emulator library (C99 engine, web front-end).
6502 - DB6502: 65C02 based computer inspired by BE6502
vrEmuTms9918 - TMS9918A emulator library (C99)
abn6502 - Solving the global IC shortage by reusing old stuff!
vrEmu6502 - 6502/65C02 emulator library (C99)
imgui - Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies