First Tile appears in first two rows of background when attributes are added
Hi, I'm new to programming the NES, and have a question. I'm loading my background from another assembly file, and it loads and displays correctly when I haven't added attributes. However, whenever I...
View ArticleRunning mapper 206 as MMC3
For quite some time, I've been confused about the level of backwards compatibility that "mapper 206" games (e.g. Namcot 108 and Tengen) hold when run as MMC3/mapper 4. The NESdev wiki states that...
View ArticleHow are SFX played over music?
Now that I have a working nsf player, I realized my next problem. There are separate tracks for sound effects but I don't know how to play them.One way I can think of is to prerender them into a...
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Weird 15 in 1 Cartridge
I did get a weird 15 in 1 cartridge that's not working.I tried to search for a similar one to get clues but didn't found anything.Looks like these are the games on it:Assembled PCB:Front of the...
View ArticleFor those who are struggling with 0x9C and 0x9E (SHY, SHX) opcodes.
My emulator kept failing the abs_xy test of instr_test-v4 from blargg.Read documentation about this over and over and over. Cannot figure why what went wrong.Documentation for SHY is as follows:Load...
View ArticleQuestion about SNES object priority rotation feature
So, based on what I appear to be seeing in the gameplay footage below, you will only see visible flickering specifically when there's too many sprites on any given scan lines using this feature,...
View ArticleCooks of NesDev, What's Cookin?
I'm a very, very strong believer in the spirit behind "You are what you eat" and have found cooking to be an incredible comfort over the years. Not only that, but the art of cooking and food handling...
View ArticlePalette collection
Almost all palettes comes from existing emulator, only NESDev.pal comes from NTSC video site. nespalette.7zStatistics: Posted by Yave Yu — Sun Feb 25, 2024 5:09 pm — Replies 0 — Views 42
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NES Peritel cable in scart port doesn't show properly on my TV
So, i recently got a fully functioning NES console and plugged it into my TV.The console uses a peritel cable that plugs into the TV on the SCART port.But when i plug it in i get a strange image.The...
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Pokemon Stadium bootleg improvement fix SNES.
No I am not experienced in ROM hacking.No I am not requesting or expecting anyone to do anything, only suggesting.I found this bootleg game "Pokémon stadium" on SNES that is actually pretty decently...
View ArticleXi Tian Qu Jing II (Unl) Crash Issue
Wasn't sure exactly where to post this but had a question about this game. I was looking at speedrunning this but unfortunately the game crashes when entering the transition to the bosses. Mesen gives...
View ArticleIssues Making Pong
Hi, I'm having a couple issues right now. One, the paddle on the right is starting out higher than the one on the left. Two, Mesen keeps giving me Invalid Op Code errors when I run it. What am I doing...
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How to push solid blocks using assembly language
Good morning NesDev's. First off, I would like to say hello. I am new to the group and a very low level assembly user. I am playing around with scripting and NES development and was wondering if...
View ArticleFamitracker not exporting NSf correctly
Hello all!I'm stuck with an issue with DN Famitracker 0.5.0.2So, long story short I do a music thing where I blend Psychobilly and Chiptune, I use GameBoys on stage with LSDJ while singing and playing...
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AUX on the Yobo Gameware FC2
I've recently taken up interest in NES dev, so I dusted off my Yobo Gameware FC2 Slim(an OT-8188R.) Doing that also resurfaced a mystery for me. "What is the AUX port for?"This port's a bit of a...
View ArticleNES Black Screen with Vertical White Bar on Left Edge
I'm at my wit's end and would like help troubleshooting this issue on my NTSC NES.Issue:Composite out displays a black screen with a vertical white bar/line on the left edge of the...
View ArticleLing Jie Hu Fa - Shock/ 靈界護法 - Shock (Unl) Crash
Found another crash in yet another Waixing unlicensed game. The game seems to crash every time after beating stage 2, it goes to the map screen between levels then crashes when stage 3 should load....
View ArticleFinding sprite data
Just a question, i'm new here, how can i locate NES/Snes sprites using hex editor?, i mean not just the palette, or the "design" itself but the actual entire data that form the sprites, correct me if...
View ArticleHelp me understand this code...
Good afternoon NesDev,I have a few questions about some code. I am currently studying a dissembled Legend of Zelda. There is a part of the code that states:VariableRoomAllDead := $34DFirst what does...
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Fishing simulator with undumped game: King Fishing
Fishing simulator with undumped game: King FishingI got recently an interesting plug&play famiclone: fishing simulator with undumped game: King Fishing.ShellIt contains four-direction volant...
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