NES 7-bit PCM test - Higurashi no Naku Koro ni Kai Opening
This is reupload of deleted rare Higurashi PCM NES demo. Original author is youtuber named Wkterr, https://m.youtube.com/@Wkterr. Sorry, if this not NSF, but i very want to save link to this demo....
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The GameTank (new 8-bit console I made)
Hi! I wanted to share the hardware project I've been working on for the last five years, that I hope will be interesting to some people here.The GameTank is a dual-6502 console with...
View ArticleIn SMB is the level compression routine larger than the level data itself?
https://www.youtube.com/watch?v=flaEOp5cago@17:30They mentioned that in SMB, the total level data takes up only 3.4 kB which is impressive considering that I always thought it would take up almost...
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snes jr issue
The console had water damage, but i've cleaned it.I do get audio, but the screen is mostly white with a few blocks.After a few power cycles, the game looks like an atari game. I've attached a picture...
View ArticleA silly RF switch question
Hi.I was looking at some of these gray RF boxes and found that all the ones I have access to have the "(S)NES Control Deck" written on the console's RF input.How was it back on the NES days?I think it...
View Article64KB wram & 128KB vram, Was it a mistake?
Greetings.128KB of wram is the perfect place to store the matrix transformation table index for background in mode 7, so it's the fixed choosed place for it.But snes is precisely the system with high...
View Articlequestion about Colordreams-74*377 PCB's
According to the color dreams wikiVariantsNintendo's own GxROM family of boards is nearly identical in function to the Color Dreams board.A multicart mapper based on this mapper is iNES Mapper 046,...
View Article.io: The Disappearance of an Internet Domain
Britain is handing sovereignty over its Indian Ocean Territory on Chagos Islands to Mauritius. This could cause ICANN to retire the .io top-level domain. If this happens, as Gareth Edwards explains in...
View ArticleBikeshedding MMC3 templates (tgrom-template or tlrom-template)
A user on Discord asked why I haven't yet ported nrom-template to MMC3. My short answer: It's such an open question that I have no idea how to begin.By the time I made nrom-template and snrom-template...
View ArticleFlash Board = Blue Screen
Hey guys! How is everyone doing?Recently, I went back to homebrew development after a break of about a year or so. Previously, I had no issues in flashing my board and then running the code on my...
View ArticleThread-safe MMC1 bankswap without checks
So on the Discord, I've seen it stated here and there that the MMC1 serial interface inherently results in it being more difficult to perform bankswitches that can be safely interrupted and returned...
View Articledigital/pcm tune
converted from goodlife.mod : https://modarchive.org/index.php?reques ... uery=440754 channels - 6 bits - 14,3 Khz - 64 Kbgenre: house, acid house, techno ; track length: 5:55for mapper28 (action...
View Articlestarting NES programming in C
Hello Everybody!I want to start NES programming. Please have some patience with me.I did a little bit of research on google and found there are 2 main languages for NES: assembly and C.Assembly is...
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NES Hub (Expansion Port)
Here I wanted to share the details about my newest project/product, called the NES Hub.The key is a custom made connector for the NES Expansion Port (see 2nd picture), so no more cutting/sanding of...
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Guild Quest
Here's my RPG-lite game Guild Quest. Download it at https://johnybot.itch.io/guild-questStatistics: Posted by Johnybot — Sun Oct 13, 2024 8:34 pm — Replies 2 — Views 41
View ArticleThe curious case of Tetris, Dr. Mario, and the FDS BIOS
I figured I should document the discoveries I made while hacking Tetris (Nintendo) & Dr. Mario (not to be confused with the SNES combo cart). They ought to be accessible outside of Discord...
View ArticleSprite screen clamping
Hi everyone! I've been trying to apply screen clamping to prevent the player sprite from wrapping around the edges. I came up with code that i thought was very simple but it does not work very well....
View ArticleMMC1 strange CHR-swapping
I'm working on a little hobbyproject, porting mapper 3 to MMC1. But I'm missing something concerning CHR-swapping (or some bugs I've caused?). I've patched the mapper 3 CHR-swapping to MMC1, but to...
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Mapper 30 PCB
Hi all! I found this Mapper 30 PCB board but can't make it work.I made the CIC chip following the Krizz instructions.Has anyone worked with this one? I found it on the OSHW Lab website and asked for...
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Extra PPU cycle?
I'm comparing Mesen's logs with mine and I don't understand what is the logic behind this.I have this 3 ROR in a row and according to my code each of these lines should increase H by 15, so in my code...
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