Search found 707 matches

by krzysiobal
Sun May 31, 2020 11:46 am
Forum: NES Hardware and Flash Equipment
Topic: Recommendation for dev cart?
Replies: 10
Views: 340

Re: Recommendation for dev cart?

I can make you flash cart for NROM/UNROM/MMC1/MMC3/ANROM for 50$ shipped, with 4GB micro sd card included and USB dongle for writing/reading the card.
https://obrazki.elektroda.pl/8338395900_1590749047.jpg
by krzysiobal
Sat May 30, 2020 2:47 am
Forum: NES Hardware and Flash Equipment
Topic: Bio Hazard - color palette problems
Replies: 2
Views: 5993

Re: Bio Hazard - color palette problems

This is how the other (200314121) version looks like. This is mapper 227 without the `L`, `O` and `m` bits. (just like O=1). https://obrazki.elektroda.pl/1049162900_1590831881_thumb.jpg https://obrazki.elektroda.pl/3588094200_1590831882_thumb.jpg https://obrazki.elektroda.pl/2652728700_1590831884_th...
by krzysiobal
Wed May 27, 2020 12:40 pm
Forum: NESdev
Topic: Contra Spirits hacking
Replies: 0
Views: 164

Contra Spirits hacking

I was trying to make physical cartridge of Contra Spirits (Mapper 90 / Jy Company), but all I got was just a momental hang of game after power-up. Maybe one in 50 power-up worked. I triple checked the mapper design in FPGA (PRG/CHR banking) and it was OK, other games using this mapper (Super Mario W...
by krzysiobal
Fri May 22, 2020 2:26 am
Forum: Reproduction
Topic: Help with Kaiser's Highway Star repro
Replies: 40
Views: 2697

Re: Help with Kaiser's Highway Star repro

Fisher wrote:
Thu May 21, 2020 6:45 pm
I'm still having mirroring problems unfortunately. :-(
Did you read my post?
by krzysiobal
Thu May 21, 2020 3:26 pm
Forum: NESdev
Topic: Mmc1a versus 1b2 etc
Replies: 12
Views: 579

Re: Mmc1a versus 1b2 etc

Connect two in series to get ~235pF.
by krzysiobal
Thu May 21, 2020 2:17 pm
Forum: NESdev
Topic: Mmc1a versus 1b2 etc
Replies: 12
Views: 579

Re: Mmc1a versus 1b2 etc

I has recently issues running one famiclone game, with original MMC1B - the game crashed randomly few seconds after start. I tried adding capacitor on power line, M2, /ROMSEL - no help. Adding 220p capacito between CPU-R/!W and GND solved the issue - it looks like the latches inside MMC are clocked ...
by krzysiobal
Sun May 17, 2020 4:45 pm
Forum: General Stuff
Topic: God Mode No Holes No Timer No Damage SMB Hack
Replies: 6
Views: 654

Re: God Mode No Holes No Timer No Damage SMB Hack

Level 4-4 - when you fall into hole and land on top of, you can't finish it because the map loops.
Even if you jump and you appear at the bottom, returning to the "inside", you still can't finish it.
by krzysiobal
Sun May 17, 2020 2:02 pm
Forum: NES Hardware and Flash Equipment
Topic: Operation Wolf - pirate port of Taito's TC0190 (Mapper 33)
Replies: 0
Views: 265

Operation Wolf - pirate port of Taito's TC0190 (Mapper 33)

I don't have access to cartridge to check either ROM or PAL, but the connection of components clearly reveals its goal was to mimic the Japanese version, based on TC0190 chip and the hardware is compatible with TC0190 (well, at least to the point used by Operation Wolf game) PRG registers: While the...
by krzysiobal
Sat May 16, 2020 2:45 am
Forum: NES Hardware and Flash Equipment
Topic: Green Beret FDS port
Replies: 1
Views: 203

Green Beret FDS port

No physical access to the cartridge so can't confirm if it is Kaiser or Whirlwind Manu version, but both use the same mapper UNIF AC-08. $8001 ~[...PPPP.] (mask=$E001) |||| |+++- PRG bank at $6000 +---- PRG chip select: 0 = PRG1 = IC2 1 = PRG2 = IC3 $6000 $8000 $a000 $c000 $e000 ----- ----- ----- --...
by krzysiobal
Sat May 16, 2020 1:39 am
Forum: NES Hardware and Flash Equipment
Topic: MMC1 free implementation on CPLD released
Replies: 34
Views: 9821

Re: MMC1 free implementation on CPLD released

MMC1 fits EPM3064 which is cheap and has 5 V tolerant inputs.
by krzysiobal
Wed May 13, 2020 2:42 am
Forum: NES Hardware and Flash Equipment
Topic: Fanicom System 3D glasses adapter rev-en
Replies: 1
Views: 388

Fanicom System 3D glasses adapter rev-en

Basing on the photos from famicomworld : https://obrazki.elektroda.pl/7115233600_1589362473_thumb.jpg https://obrazki.elektroda.pl/1851513600_1589362476_thumb.jpg https://obrazki.elektroda.pl/1884531300_1589362483_thumb.jpg https://obrazki.elektroda.pl/3202539000_1589362487_thumb.jpg There is 455 op...
by krzysiobal
Tue May 12, 2020 3:43 pm
Forum: NES Hardware and Flash Equipment
Topic: Mega Girl Another Fight Story (Mega Man 1 Hack)
Replies: 0
Views: 550

Mega Girl Another Fight Story (Mega Man 1 Hack)

I got this broken cartridge for check & dump. It reminds me in design this one . There is place to solder PRG-ROM, CHR-ROM (or CHR-RAM), two blobs, one unknown SO14 chip and a lot of jumpers. * The pinout of top, unpopulated blob (let's call it U4) is exactly like the AX5202P, without WRAM and PRG-A...
by krzysiobal
Tue May 12, 2020 10:45 am
Forum: General Stuff
Topic: Jokes
Replies: 1
Views: 488

Jokes

When famiclone guys pirate the cartridge using original hardware but don't care about pitch
Image
by krzysiobal
Mon May 11, 2020 3:30 pm
Forum: Reproduction
Topic: Help with Kaiser's Highway Star repro
Replies: 40
Views: 2697

Re: Help with Kaiser's Highway Star repro

But that can't be done with using only one NAND gate and stealing additional OR gate for that purpose makes the mirroring register to occupy less than $8000-$ffff There are two visible traces coming out of the 74'138 in Snacks's photo. Don't know if it's authentic to the original hardware, however....