Importance of cycle accuracy?
I've put together a 6502 emulator, not really thinking about cycle accuracy. I read an instruction, execute it, then wait the required number of cycles before running the next instruction (let's call...
View Article"Retro Imitator" now runs in web-browser
For April 2024 I worked on this project with the idea of "A emulator inaccurate in basically every aspect, but still happens to run popular titles", the result I titled Retro Imitator, and it now has...
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Recreating Castlevania Dev log
After I have messed up my previous (and first) project - a Zelda like ARPG - I wanted to do something else and not an rpg game again. I wanted to do something with scrolling this time, and I had the...
View ArticleMemory Map Label Matrix w/ Surfaced Info
Posting in general as it pertains to NES games in practice by any software in theory. I've been keeping maps between many of the common labels used between my disassemblies and those which came before...
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Is This FDS Guide Scanned Anywhere?
Picked up the attached on an eBay auction. Did some brief searching but couldn't find a PDF anywhere, does anyone know of this has been scanned before? If not, I'll try and get it on the glass in the...
View Articleon the subject of VS. Duck Hunt again...
first is the wiring of a SKROM the same as a SLROM both using 27c010'sSLROM (mapper 1):PRG socket:Bend up pins 1, 2, 24, 30 and 31Solder pin 2 to hole 24 (A16)Solder pin 24 to GND (OE)Solder pin 30 to...
View ArticleText changes in smb disassembly
Hi everyone! I've been messing with doppelganger's smbdis and what a gem indeed!!Just for fun, I tried changing the "TopStatusBarLine" section to display a different name other than Mario, and the...
View ArticleWiki article about test mode (etc) functionality in Gameboy SoCs
I got tired of having this information spread out in a bunch of different pages, so I've tried collect it all on my wiki. This is still a work in progress, and likely has errors and missing...
View ArticleLooking for Technical Consultant
We are a small, passionate game development team working on an exciting project to bring the classic Nintendo NES game Crystal Mine to life once again. We've acquired the rights to the game and are...
View ArticleApple Disk II technical info / code disassembly
I have come across this French Apple II game:Le mur de Berlin va sauterIt is apparently one of the very first video games to include a non-straight character. Though he is the bad guy, as was common...
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⬛🟦🟥🟨⬜ More than 3 colors per sprite, but less than 15?
How is it that for the NES, each sprite could only have up to three colors (plus transparency)? Is it because the color for each pixel of a sprite is stored like this?:00 = Color 0 (Transparency)01 =...
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While of these two art styles looks better for my game?
I'm trying to decide which of these two artists to hire to make the dialogue portraits for my game.I thought I'd start asking around for opinions.For reference, here's what the game looks...
View Article3D Dungeon crawler question
I was thinking about making a 3d dungeon crawler, and I was thinking about how many "perspectives" I need.So, I'm thinking you can see 1 tile off to each side, and up to 2 tiles in front, so if it's a...
View ArticleI need help making a NES Game!
My PC doesn’t work, so I’m on a iPad and I want to make a NES game, but tools are only for Windows, so I need someone to program the game and I’ll send Music and Graphics so the person will import the...
View ArticleHow much did mappers cost the Developers?
I've been wondering, in Japan, the Developers had to make their own games. I'll assume that they bought the MMC mappers from Nintendo, and was just Wondering about how much each of them Cost per...
View ArticleTest ROMs for SHX/SXA and the other four "Unstable address high...
For a variety of silly reasons, I found myself wanting an instruction that took exactly 15 pixels to write to a mapper register. While there are two official opcodes that do this (STA abs,x and STA...
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Which of these two art styles looks better for my game?
I'm trying to decide which of these two artists to hire to make the dialogue portraits for my game.I thought I'd start asking around for opinions.For reference, here's what the game looks...
View ArticleMapper Initial State Documentation?
Is anyone aware of a mapper matrix that includes initial state information for each mapper? Using https://www.nesdev.org/wiki/Color_Dreams as an example, this article describes the bank select...
View Articlehelp with vertical scrolling ( my first time )
Im trying to add vertical scrolling to this project. I understand that there is a copy of the back ground in the nametables. OFFSET_BACKGROUND_VERTICAL: ; Load the current vertical offset value LDA...
View Articlemy Family/FCs/NES musik topik
just some musiks do not used in the game Hidden treasureshttps://youtu.be/o6kCyt9L23oStatistics: Posted by donato-zits- — Wed Dec 11, 2024 6:48 am — Replies 0 — Views 10
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