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NES Hardware and Flash Equipment • Back to white screen on opentendo build
Hi All,Was really hoping I could crack this one but hitting a dead end. With some help here a few years back I got my opentendo build up and running, more or less. Finally getting around to try and...
View ArticleNESemdev • Re: NES Emulation - DK infinite Loop
That was it! I inplemented interrupts and fixed a couple of things and got to render my first frame.Statistics: Posted by dragonwarrior — Mon Feb 03, 2025 5:30 am
View ArticleNES Hardware and Flash Equipment • Re: What are the best NES flashcarts for...
These days many people target UNROM512, which is often available from different vendors for a reasonable price. Currently your best bet is likely to buy them from Broke Studio -- check out their...
View ArticleNES Hardware and Flash Equipment • Re: About the counters designed for the...
If this timer is not achieved, the challenge of reaching the predetermined conditions to advance to the next game will be reduced in difficulty, such as collecting 100 coins to complete the current...
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SNESdev • MAD-1 wiring for 3 maskroms/eproms
Hello,I'm currently creating a repro cart with an english translation of Ganpuru (Gunple) - Gunman's Proof.This is a 24mb LoRom game and what i have is three 27c080 100ns eproms and a SHVC-2A3M-10...
View ArticleHomebrew Projects • Re: Was there a NESDev Compo 24?
No, it's been delayed (hopefully not skipped) and we're currently waiting for an update.Statistics: Posted by Fiskbit — Mon Feb 03, 2025 3:39 pm
View ArticleNES Hardware and Flash Equipment • Re: Back to white screen on opentendo build
I'd check A0 on the CPU. It might only toggle briefly after reset and get stuck if the CPU is crashing.Statistics: Posted by Joe — Mon Feb 03, 2025 4:18 pm
View ArticleHomebrew Projects • Re: The Huns , left, right bottom TOP collision detection!
ill look into it tonight for sure thxStatistics: Posted by v.depatie — Tue Feb 04, 2025 10:28 am
View ArticleSNESdev • Re: MAD-1 wiring for 3 maskroms/eproms
You will need 2 inputs to bank 3 roms.Unless you rewire the MAD1, taking an /OE signal from either rom will not work. You need the /EN signal from the MAD1 (pin4 I think) and then A20 and A21 to...
View ArticleNESdev • Re: Another Fceux bug
Code: copy_name_tables:; Start copying Name Table 0lda #<NAME_TABLE_0sta NTCopy+0 ;set low byte of target addresslda #>NAME_TABLE_0sta NTCopy+1 ;set high byte of target addresslda $2002 ; Reset...
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Homebrew Projects • Re: Universal Lady Bug Arcade Game 1981
lovebug,Congrats on completing the BBC Micro version! Glad to hear you're doing better Thanks Statistics: Posted by lovebug — Tue Feb 04, 2025 3:06 pm
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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 ArticleNewbie Help Center • Re: 8x16 and whatever else unreg wants to know
Well, I did delve into this a little today. My sbc did have a sec, but my adc had a commented clc; uncommented that clc and my lady jumped back 6 pixels… so tomorrow I’ll debug like you suggested...
View ArticleNES Hardware and Flash Equipment • Re: Intelligent Systems FDT ICE
The two final commercial FDS games were released in 1991. I wonder if this particular unit was ever used after it was manufactured/sold?According to Wikipedia, the final two FDS games were released in...
View ArticleHomebrew Projects • Re: The Town
I just saw there's a new adventure game for the NES (and SNES, GB/C/A and modern platforms) on KS, Cronela's Mansion.(if this is getting too off topic, mods please split)Statistics: Posted by calima —...
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Reproduction • Re: Schottky Barrier Rectifier Diode , size 0603
Measure current from battery, after change both diodes to 4148 and measure again Statistics: Posted by JRBVZ — Wed Feb 05, 2025 8:49 am
View ArticleHomebrew Projects • Re: Was there a NESDev Compo 24?
In case you want to show them just some nice graphics, pouet has some: https://www.pouet.net/prodlist.php?orde ... com&page=1edit: games = https://www.pouet.net/prodlist.php?orde ......
View ArticleNESdev • Scheme to recreate Famicom Power Module
Hello to all, as the name suggest, i want to recreate the Famicom power module (only the power part), to use with the original DC power adaptor, someone have a schematic to do the task??Statistics:...
View ArticleNESemdev • Re: MMC3 Timing issues
Excelent explication.I only could reach blargg's test "Scanline 239 IRQ Should occur sooner when $2000=$10"it was just luck when the spr is $1000 and bg $0000, i could pass the tests, but when spr =...
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...
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