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这里似乎没有百度贴吧fc吧热闹啊 Statistics: Posted by 一个天才 — Tue Jan 14, 2025 1:51 pm — Replies 0 — Views 76
View Article(CA65 assembler question) Trying to set jump labels for code executed in RAM
Suppose I have the useless hypothetical function:Code: ;; Takes x register as an argument.proc foocpx barbne @donejmp @great_idea@done:rts@great_ideajmp @done.endprocBut also suppose that for some...
View ArticleBunch of libertarians argue about CPU stuff from 40 years ago
pealing off from viewtopic.php?t=25720&start=15Yeah and I think even learning very different processors like ARM and MIPS was quite trivial compared to my first assembly language.The first time I...
View Articlesplit scroll
I just finished to implement infinite scrolling yeah ! after 15 hours of headache.Code: OFFSET_BACKGROUND_HORIZONTAL:;; Clear PPU address registers (only when needed, after scroll update);LDA #$00;STA...
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Help requested for dumping Subor Famiclone multicart
Dear Friends:Thank you for reading this post. I have acquired a Subor (小霸王/Xiao Bawang) Famiclone multicart which contains 3 original games developed in 2022, and are most likely undumped. I have also...
View ArticleOUT0-2 behavior during power-on and reset
I have a question regarding the behavior of 4016W / OUT0-2 lines during power-on and reset.Are the OUT0-2 lines reliably 0 after power-on? Are they reliably 0 after reset?So far it seems to me the...
View Articlescrolling problem
Can someone help me determine why the scroll position is affected sometime by this routine?I know about the t register, but im not sure i managed to not affect it . Im almost sure the problem is...
View ArticleNESE-001 PIN21 voltage to high - No Audio/Video Composite
Hi all,my NES shows not picture or audio whether with or without cartridge and independent of the display device (CRT and TFT) 72 pin looks fine. Cleaning has been done. No bulky capacitors or any...
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Guide: How to build your own NES dumper from scratch (no soldering required)
This is a step-by-step guide for creating a dumper you can use to dump your own NES games by only using a development board, wires, a NES cart connector to interface with the cartridge, and a USB...
View Article"Licensed by Nintendo of America Inc."
Every licensed US-released NES Game will either:* Be published by Nintendoor* Display "Licensed by Nintendo of America Inc."After a certain point in 1992, the message changed to "Licensed by...
View ArticleShould I use MMC5? Feedback requested on essay
I've written an essay "Should I use MMC5?" about the drawbacks of using MMC5 in new original projects (as opposed to ROM hacks of MMC5 games). I'd appreciate feedback about anything I may have missed...
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breakscore
https://github.com/ogamespec/breakscoreA simplified version of the main repository (breaknes).Who doesn't know about the project yet - it is a functional Famicom simulator. If you ever wondered what...
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tilemap and collision
cart.nesI've been doing it with sprites, now time to do it with background tiles. Any suggestions so I dont waste my time ? I could make a invisible map of collision detection . I dont like that idea,...
View ArticleMMC3 registers always called in pairs?
Is it necessary that the MMC3 registers are always called in pairs?$8000/$8001$A000/$A001$C000/$C001$E000/$E001Or can they also be called infividually?$8001 usually needs $8000 to specify which bank...
View ArticleFDS BIOS Dumper
I consider this to be the first feature complete version now, so here's the thread. This is a disk program for the Famicom Disk System (FDS) which can dump the 8KiB BIOS ROM onto disk. I made this for...
View ArticleIs there an intuitive way to add Sprite zero hits to the bottom of an 8-Way...
I would like To mask off the bottom of my screen just because the top and bottom 16 pixels not being evenly blacked out irritate me for personal and stupid reasons.I am not using a mapper with an...
View ArticleNESRGB Modded System Freeze (Certain Games)
Hi all, I have a perplexing issue with an NES that I RGB modded with Tim Worthington's RGB Mod board. The board revision is 2412, NESRGB42. I have fully re-capped the NES and installed a new AV power...
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Raster Effects Example: Wipe
I've been working on a number of examples for various raster effects which I'll post as I publish them. This first example is a wipe transition that I first noticed on the title screen in Labyrinth...
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Funny mistake helping me figuring out my calculations. NES PAINT
Sounds crazy, but i was trying to align my tile index detector, then this happen:it began writing tiles behing my player on demande!!! at the coordinates from my adress calculation routine ! It also...
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neslib and mapper 30
Hello,I want to create a new game on NES and search if someone did the job to make a neslib (shiru lib) configuration for mapper #30 (https://www.nesdev.org/wiki/UNROM_512), the same mapper used with...
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