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NESemdev • Re: Mesen - Emulator
When I right-click on these two lines in the debugger and select "Edit Selected Code", 0000 will cause MESEN to crash and 1FFF will encounter unexpected errors. In addition, if you open a cheat file...
View ArticleOther Retro Dev • Re: 3DS reverse engineering
And some Audio related findings...The TSC Filter values in TSC bank 05h..0Ch should be read from the "HWCAL" or "config savegame" files.The caution there is that the files contain those 16bit filter...
View ArticleNESdev • Re: Any reason Just Breed plays a text only intro on my early famicom?
It's been established through conversations on Discord that the cartridge PRG-RAM already contains valid save data and can be accessed just fine on other systems. The game indeed only shows the...
View ArticleNES Hardware and Flash Equipment • Re: NESRGB Modded System Freeze (Certain...
Another update, installed the replacement NESRGB board Tim sent me and it exhibits the same symptoms. If I bypass the mod entirely it does not freeze. With NESRGB it freezes every time in both Alien 3...
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Reproduction • Re: Schottky Barrier Rectifier Diode , size 0603
I(RRM) is the reverse leakage current. The diode isn't perfect and this is what can leak through backwards, for example trying to charge your battery when the Famicom has power. I wouldn't worry about...
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SNESdev • Possible to stretch 512x224 to fit?
Is there a way on any emulators, clone systems, or even TV sets to horizontally stretch out and scale a SNES game running in 512x224 to fit the dimension of a modern 16:9 screen, having drawn the art...
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SNESdev • Re: Possible to stretch 512x224 to fit?
Interlaced mode 5 plus the TV's "zoom" mode would probably be the closest.In a scene with little motion, a decent modern TV should detect the situation and apply weave deinterlacing. If the TV is...
View ArticleNewbie Help Center • Should I use C or Assembly for NES programming?
Hi there. I wanna learn making NES games but I'm not sure which language to use.I already know programming and am somewhat comfortable writing C, I can't say the same for Assembly. I know that cc65...
View ArticleNewbie Help Center • Nametables issue
I have a problem. I have this code, that outputs nametable 0 (2), but instead shows nametable 1 (3) with a vertical offset.Using WLA-DX.I first compile into test.o, then link to test.rom, and finally...
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NES Hardware and Flash Equipment • Re: AV Famicom JIO Chip Replacement Idea
Sorry to bump this old thread but I could really use some help around this to fix my AV FamicomI recently added a new mod to my AV Famicom, the "fake stereo" audio mod...
View ArticleNewbie Help Center • Re: Nametables issue
There are two major problems I see related to scrolling. First is that you aren't actually setting a scroll position. In vblank, after you are done writing to PPUADDR ($2006), you need to set the...
View ArticleNewbie Help Center • Re: Should I use C or Assembly for NES programming?
Depends on what your ultimate goal is, I guess... C is okay for average NES games, but there definitely is a noticeable drop in performance, and you'll also face limitations imposed by whatever...
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