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Many programs use hardcoded system call numbers and `int 0x40`. It is bad for several reasons:
* Hard to search in repo for usage of specific system functions
* Programs are vulnerable to changing t…
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Cosmac VIP, ETI-660, Dream 6800, and Chip48 interpreters all have different font data. This can effect program behavior because of pixel based collision. Some programs have text that looks off cente…
zZeck updated
4 years ago
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It is described here https://archive.org/stream/ETIA1981/ETI%201981-11%20November#page/n115/mode/2up
There is an instruction set description and sample programs. FX00 sets pitch of beep to VX.
I h…
zZeck updated
4 years ago
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Hi did you document any of your learning on how VBCC works?
I'm considering basing my backend on yours as it's one of the cleanest one in the dist.
My cpu is a homebrew 8bit : https://github.com/J…
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Just saw this on Reddit, quite some different approaches, nice!
I just wanted to suggest running the flags test of https://github.com/Timendus/chip8-test-suite as your carry flag for the two subtract…
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It would be nice if the tool supported Mulit-file BASIC build. Is this possible today?
If selected wisely (either as labelled listing without duplicate labels or with non-overlapping Start/Range-addr…
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# Guide to making a CHIP-8 emulator - Tobias V. Langhoff
A high-level guide to making a CHIP-8 emulator.
[https://tobiasvl.github.io/blog/write-a-chip-8-emulator/](https://tobiasvl.github.io/blog/wr…
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Hello!
I noticed some potential inconsistencies between your implementation and others I've seen online for `vf`, so I was wondering which is correct, and if you have any concrete documentation on …
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Almost every source of documentation I can find (for example [CHIP-8 Extensions and Compatibility](https://chip-8.github.io/extensions/#chip-8) and [Laurence Scotford's CHIP-8 RAM](https://laurencesco…
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I want to contribute to the project (I was thinking of a CHIP-8 backend) but I have no idea what anything does. What does a codegen need to implement? Do I need to make an assembler? Is OrgAsm an Inte…