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Issues with making MMC1 pach for: Bio Senshi Dan - Increaser tono Tatakai
I decided to make patch for game `Bio Senshi Dan - Increaser tono Tatakai` so that it can be portedfrom mapper #140 to something more popular to be playable on flashcarts/multicarts which support...
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hdmi mod NES
Good morning, everyone. I'd like to start by greeting all of you. I'm new here, although I've been an owner of various Nintendo consoles for many years. I have a question for you and would like to...
View ArticleDMCA Anti-Circumvention Laws and Video Game Dumping
I was reading about anti-circumvention and thinking about how it related to dumping games for SNES, N64, and later consoles.However, I'm confused about one thing: what counts as anti-circumvention?...
View ArticleLegal ways to preserve games
This is about preserving video games in general, not for specific systems or time periods.1. Document as much of the game as possible. Unfortunately, you can't go too far and reverse-engineer it, as...
View ArticleWhat's the real cycle timing for LDA abs,x?
With both index and accumulator being in 16-bit mode, first it was 5 cycles, then it was 6 cycles, now every document says it's 5 cycles again? I checked all the WDC manuals and they say nothing about...
View ArticleMindkids flashing resources
I have some mindkids carts that I'd like to reflash and use the coolboy rom builder on.I was having trouble finding the resources on how to get connected to them for the flashing. Would a Black Magic...
View Articlemmc5 exram
I had mmc5 bad emulation so i started over again from scratch.I have a question: if we have exram 1K. Since it is RAM there must be a way to write to it.How to write to exram? i don't find any...
View ArticleWhy doesn't my code display a sprite?
Sorry if it's a little long, I must be missing something pretty basic somewhere...Code: OAM= $0200; zero page.enum $0000temp2000.dsb 1temp2001.dsb 1do_dma.dsb 1do_drawing.dsb 1do_ppu_reg.dsb...
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Help needed getting MMC5 PCM to work!
Hi, I know it isn't liked to use MMC5 for homebrew, but for the past year I've been making my game in it.I am having a really hard time understanding how this works. I am quite sure I set up the IRQ...
View ArticleQuestions & Clarifications regarding APU Sweep
Links:APU Sweep page - https://www.nesdev.org/wiki/APU_SweepBarrel shifter "page" - https://www.nesdev.org/wiki/Visual_circ ... l_shiftersBarrel shifter Wikipedia -...
View ArticleAV Famicom artifact ram poblem
Hi.AV Famicom from the very first batch - serial starts at 10002xx.After 10 minutes of operation, artifacts begin on the screen. After restarting, Everdrive may show an error reading from the card, it...
View ArticlePublic transit
Preemptive split from another topic to air grievances about public transitThat said, public transit is a thing tooNot in my city right now. The bus service here has 58 days of scheduled downtime per...
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MMC5 and third pattern nametable
Hi, sorry to post here. I have been looking for help my i cannot find one.My question is:How do you access the third nametable in MMC5 for sprites?My emu doesn't look good:I would like to know really...
View ArticleFamicom freezing...
Hi,I've a famicom that is freezing. It starts OK, but then it just stops - and always at the same time (but different for each game). Eg. super mario freezes right on initial/intro screen. But Dig Dug...
View ArticleEverdrive N8 not working on HVC-CPU
Another Famicom, another problem...I have a HVC-CPU (no number, first revision..?) which seems to work OK - tested 2 or 3 cartridges and they work fine.The problem is that N8 doesn't work... Most of...
View ArticleTrying to write a C# nsf player, 95% there but stuck.
Hello everyone, it feels really weird to be participating in an old style forum again. It's been a while.Anyway, I'm trying to make an NSF player for my Mega Man engine, and I want to avoid native dll...
View ArticleSan Guo Zhi discussion
Edit by Fiskbit: This is split off from this thread to avoid distracting from its intended topic."San Guo Zhi" sounds like "Sangokushi" [三國志], and I'm pretty sure that's on purpose. To what extent do...
View ArticleUsing artificial intelligence to give clearer description of hardware on the...
When working on a technical documentation such as the NESdev wiki, it's hard to keep the information consistant and easy to understand. Common pitfalls would be : Have the necessary information...
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Nestopia UE weird bug
Set Nestopia UE to open nes file, then open a nes file that in multiple folder (e.g. NESROM\NESMerge\Air Fortress\), it will fail to load configuration, why?Statistics: Posted by Yave Yu — Tue Feb 20,...
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SPC700 is similar to Paula ?
Hello everyone came here because I've been struggling to find technical information on the SPC700.From what I've read, the SPC700 is described as an 8-channel version of the Amiga's PaulaTouko said...
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