Search found 1101 matches

by Fisher
Sun Sep 27, 2020 3:20 pm
Forum: General Stuff
Topic: Looks like NESCartDB is down (again)...
Replies: 61
Views: 23934

Re: Looks like NESCartDB is down (again)...

That's great!!
Thanks brizzo!! :beer:
by Fisher
Sun Sep 27, 2020 3:18 pm
Forum: Reproduction
Topic: Help with Kaiser's Highway Star repro
Replies: 49
Views: 8015

Re: Help with Kaiser's Highway Star repro

Well, since zxbdragon didn't say either yes or no and this is a hobby stuff that can help many people if properly RE'd, I'm sharing the relevant pictures.
Hope I'm not doing anything wrong.
All credits for these photos go to the zxbdragon, so, many thanks to him!
by Fisher
Fri Sep 25, 2020 8:44 am
Forum: General Stuff
Topic: Help to identify unknown game gun
Replies: 8
Views: 348

Re: Help to identify unknown game gun

Nice, it's showing some promise. :-) I could convince him to take some more pictures: WhatsApp Image 2020-09-25 at 12.05.14 PM.jpeg WhatsApp Image 2020-09-25 at 12.05.14 PM (1).jpeg WhatsApp Image 2020-09-25 at 12.05.15 PM.jpeg WhatsApp Image 2020-09-25 at 12.05.15 PM (1).jpeg WhatsApp Image 2020-09...
by Fisher
Wed Sep 23, 2020 4:36 pm
Forum: General Stuff
Topic: Help to identify unknown game gun
Replies: 8
Views: 348

Re: Help to identify unknown game gun

Neo geo also uses db15 plugs right? Are there any neo geo light gun games? I have absolutely no idea. I'm trying to convince my friend to do some small tests with a multimeter and get some pictures of the board further disassembled. Unfortunately he's very afraid of not be able to put it back toget...
by Fisher
Wed Sep 23, 2020 4:29 pm
Forum: NES Hardware and Flash Equipment
Topic: Interesting pirate PCB
Replies: 10
Views: 395

Re: Interesting pirate PCB

Do you know, with SRAM, you can put address lines and data lines in any order? :) ALWAYS you see special routing to keep them correct, nobody must realize it. That's great! I think these pirates had figured it out back on the day. They even "swapbinned" the PRG! :-D https://drive.google.com/file/d/...
by Fisher
Wed Sep 23, 2020 4:19 am
Forum: General Stuff
Topic: Help to identify unknown game gun
Replies: 8
Views: 348

Help to identify unknown game gun

Hello. A friend of mine bought a batch of old stuff. On this batch, there's this weird gamegun: WhatsApp Image 2020-09-22 at 7.00.58 PM.jpeg WhatsApp Image 2020-09-22 at 7.01.10 PM.jpeg Since it has this DB-15 plug, the first thing I tought was it could be a Famicon or Famiclone gun, but it didn't w...
by Fisher
Tue Sep 22, 2020 4:24 pm
Forum: Other Retro Dev
Topic: Sega Genesis rom/sram address mapping
Replies: 37
Views: 35539

Re: Sega Genesis rom/sram address mapping

O yeah! Glad to know it worked. :-) If I remember correctly, when I changed the broken FeRAM of that cartridge, I also used a 10K resistor as pull-up on the SRAM's /CE. I used this circuit, that's pretty similar if not exactly the same you described. There are some pictures of the fixed cartridge on...
by Fisher
Tue Sep 22, 2020 3:57 pm
Forum: NES Hardware and Flash Equipment
Topic: Interesting pirate PCB
Replies: 10
Views: 395

Re: Interesting pirate PCB

As expected, such PCB like this one (glob MMC3 + two DIP28 mask-roms) havs some shuffled lines for anty-copy (this time: MMC3-PRG-A15 -> PRG-ROM-A16 MMC3-PRG-A16 -> PRG-ROM-A15 MMC3-CHR-A15 -> CHR-ROM-A16 MMC3-CHR-A16 -> CHR-ROM-A15 Great! That explains why I'm having trouble. That swapped A15 and ...
by Fisher
Mon Sep 21, 2020 3:47 pm
Forum: Other Retro Dev
Topic: Sega Genesis rom/sram address mapping
Replies: 37
Views: 35539

Re: Sega Genesis rom/sram address mapping

Krzysiobal made a schematic of a Sonic 3 a while ago here.
There are PCB p0rn pictures on the begining of that same thread.
Hope this can be usefull.
by Fisher
Mon Sep 21, 2020 3:28 pm
Forum: NES Hardware and Flash Equipment
Topic: Interesting pirate PCB
Replies: 10
Views: 395

Re: Interesting pirate PCB

looks like the pirates also populated it with a real cap instead of the traces? It might have been an experiment they tried. Maybe they couldn't get the value large enough to work. It was me who put both capacitors when I was trying to fix the game, since it crashed and the HUD jumped a lot. The ju...
by Fisher
Mon Sep 21, 2020 2:43 pm
Forum: NES Hardware and Flash Equipment
Topic: Interesting pirate PCB
Replies: 10
Views: 395

Interesting pirate PCB

Hi. I've got an pirate The Punisher cartridge wich the PCB uses what seems to be a OR gate with a resistor and a diode, plus a PPU A12 deglitch capacitor printed on board. The OR gate works fine, no doubts, but any chances of this "printed capacitor" to work fine? Probably I can just figure it out b...
by Fisher
Mon Sep 07, 2020 4:01 pm
Forum: NES Hardware and Flash Equipment
Topic: New MMC3 clone or just another rebrand?
Replies: 2
Views: 827

New MMC3 clone or just another rebrand?

Hello. Recently I've got another pirate game, Robocop, wich uses as mapper an IC labeled as 9051. Pictures of the board: Assembled PCB: Robocop - Montado p.png Component side: Robocop - Componentes p.png Solder side: Robocop - Solda p.png The IPS with the ROM differences from Robocop (J): Robocop-Pi...
by Fisher
Thu Aug 20, 2020 3:38 am
Forum: General Stuff
Topic: Looks like NESCartDB is down (again)...
Replies: 61
Views: 23934

Re: Looks like NESCartDB is down (again)...

Unfurtunatelly I think that's not a good sign.
Does anyone knows if BootGod and his family are fine?
It they're OK, I insist that would be a good idea to mirror BootGod's site somewhere else.
by Fisher
Fri Aug 07, 2020 7:13 am
Forum: NES Hardware and Flash Equipment
Topic: AX5904 MM1 clone incompatibility, or RAM issue?
Replies: 6
Views: 2927

Re: AX5904 MM1 clone incompatibility, or RAM issue?

I had some issues with a pirate MMC1 mapper that I discussed in this topic.
Not sure if the problem is related.
In my case it wasn't a chip, but an epoxy IC that some friends call it a "tick"! :-D
by Fisher
Thu Aug 06, 2020 7:41 pm
Forum: SNESdev
Topic: [demo] SNES Sonic
Replies: 143
Views: 33203

Re: [demo] SNES Sonic

WOW!!
Another impressive work!!
Please, keep going with this.

Aren't you the same guy who's porting Megaman X for the Mega Drive?
That's another really great port!