Search found 175 matches

by Kayumba
Thu Jul 09, 2020 4:00 am
Forum: Reproduction
Topic: SRAM decoder 74LS139 for 27C160/27C322 LoRom/HiRom
Replies: 9
Views: 3501

Re: SRAM decoder 74LS139 for 27C160/27C322 LoRom/HiRom

When eprom 27c322 are programmed with ROM file. Where Will be adress of /OE ? In what pin number? Do the signal adresse changes after ? https://i5.imageban.ru/out/2020/07/08/b66f3fde74c3f1f088ebceb351d93faf.png If i understand right, All i have to do is to know where in my 27c333 the adress of /OE, ...
by Kayumba
Thu Jul 09, 2020 12:15 am
Forum: Reproduction
Topic: SRAM decoder 74LS139 for 27C160/27C322 LoRom/HiRom
Replies: 9
Views: 3501

Re: SRAM decoder 74LS139 for 27C160/27C322 LoRom/HiRom

When eprom 27c322 are programmed with ROM file. Where Will be adress of /OE ? In what pin number? Do the signal adresse changes after ? https://i5.imageban.ru/out/2020/07/08/b66f3fde74c3f1f088ebceb351d93faf.png If i understand right, All i have to do is to know where in my 27c333 the adress of /OE, ...
by Kayumba
Tue Jul 07, 2020 6:18 pm
Forum: Reproduction
Topic: SRAM decoder 74LS139 for 27C160/27C322 LoRom/HiRom
Replies: 9
Views: 3501

Re: SRAM decoder 74LS139 for 27C160/27C322 LoRom/HiRom

27C322 maskrom "mask" ROM means something. A 27C322 is not a "mask" ROM. Instead, it is an UltraViolet-Erasable Programmable ROM. Different ICs put different functions on different pins. Compare, for example, the pinout of the SST39SF040 (A18 on pin 1, /WR on pin 31) to that of ...
by Kayumba
Tue Jul 07, 2020 5:21 pm
Forum: Reproduction
Topic: SRAM decoder 74LS139 for 27C160/27C322 LoRom/HiRom
Replies: 9
Views: 3501

SRAM decoder 74LS139 for 27C160/27C322 LoRom/HiRom

Hi everyone, I trie to do my first 27C160/27C322 LoRom/HiRom cartridge PCB with SRAM. I'am confuse with this table on this picture for SRAM decoder 74LS139 MaskRom pin 31 Can you tell me if I do right connections, please. https://i5.imageban.ru/out/2020/07/08/b66f3fde74c3f1f088ebceb351d93faf.png htt...
by Kayumba
Tue Jul 07, 2020 4:44 pm
Forum: Reproduction
Topic: how to burn 8 mbit rom to 32 mbit eprom
Replies: 9
Views: 5838

Re: how to burn 8 mbit rom to 32 mbit eprom

Hi, thanks for reply. I was make board adapter nad use a donor cartridge, the adapter is from this site CLICK this is connection board for this https://thepoorstudenthobbyist.files.wordpress.com/2018/08/322_table_tosnes.png Im try to burn rom first time and i have willem programmer with adapter for...
by Kayumba
Wed Jun 17, 2020 9:36 am
Forum: General Stuff
Topic: create snes cartridge photo album
Replies: 0
Views: 7237

create snes cartridge photo album

Hi,
How can i create snes cartridge photo album?
I meen ROM file (.SMC) that i program with my custom PCB.
Is there is some existing tools to do that?
by Kayumba
Wed Jun 17, 2020 8:47 am
Forum: Reproduction
Topic: SNES game PCB cartridge with chip vs battery to save
Replies: 10
Views: 5912

Re: SNES game PCB cartridge with chip vs battery to save

two possibilities I can think of: 1 - could use FRAM or similar non-volatile chip. not available much as a 5V part, and Sonic 3 for MD/Genesis was the only cart that I know that used FRAM. 2 - a game could save to the same flash memory that's holding the game. this requires (potentially) extensive ...
by Kayumba
Mon Jun 15, 2020 8:29 am
Forum: Reproduction
Topic: SNES game PCB cartridge with chip vs battery to save
Replies: 10
Views: 5912

SNES game PCB cartridge with chip vs battery to save

Hi for all, Can you explain me please, why there is no possibility to make PCB for SNES games with chip to save the game vs battery? I can see here for example, that on ALiexpress, Chinese propose game version with battery and without: https://i3.imageban.ru/out/2020/06/15/b63cc0c5925c0e20cea745241e...
by Kayumba
Wed Jun 10, 2020 4:17 pm
Forum: Reproduction
Topic: how to use Use 27C040 in PCB for M27C801
Replies: 30
Views: 17758

Re: how to use Use 27C040 in PCB for M27C801

Fisher wrote: Thu Jun 04, 2020 7:02 pm That's great!
I admire PoorStudentHobbist's work too!! :-D

I could download the file, it was a bit tricky so I'm posting it here, just in case...
EPROM_Pin_Swapper_v1.2.zip
Cool !
Thank you.
:)
by Kayumba
Wed Jun 03, 2020 11:33 am
Forum: Reproduction
Topic: SNES Pal Labels
Replies: 1
Views: 12724

Re: SNES Pal Labels

Tevlar wrote: Wed Apr 18, 2018 4:21 am Hello!

Im having a hard time finding labels for some pal games and just wonder if anyone here can help me out.
The games i need it for are:

Mega Man X2
Mega Man X3
Final Fight 2
Final Fight 3

(UKV or EUR)
Ask Google
by Kayumba
Wed Jun 03, 2020 11:31 am
Forum: Reproduction
Topic: DIY Multicart, detecting menu selection with MCU
Replies: 1
Views: 5951

Re: DIY Multicart, detecting menu selection with MCU

jaskamakkara wrote: Mon Mar 09, 2020 5:01 am I've made my menu "game", which presents as a very basic list of games on the screen...
Hi,
How do you made it?
I'am interested.
by Kayumba
Tue Jun 02, 2020 8:45 am
Forum: Reproduction
Topic: how to use Use 27C040 in PCB for M27C801
Replies: 30
Views: 17758

Re: how to use Use 27C040 in PCB for M27C801

Hahaha you should talk with some of the other people here, they are my Senseis! Maybe, but I dont think that they made something like you, your website. You shared your knowledges with others. I wish that God of Nintendo will protect you forever from all kind of virus, like Corona and other shit......
by Kayumba
Tue Jun 02, 2020 7:34 am
Forum: Reproduction
Topic: how to use Use 27C040 in PCB for M27C801
Replies: 30
Views: 17758

Re: how to use Use 27C040 in PCB for M27C801

I've heard of EasyEDA a lot but that board rendering is really nice. I need to check it out myself. I've been using the same version of Eagle for so long, over 6 or 7 years now, I should probably try something different! Glad my site helped you out. Always nice to hear :) :wink: You welcome. Glad t...
by Kayumba
Tue Jun 02, 2020 7:21 am
Forum: Reproduction
Topic: how to use Use 27C040 in PCB for M27C801
Replies: 30
Views: 17758

Re: how to use Use 27C040 in PCB for M27C801

Nice! Very clean, what program do you use for layout? I'm working on a multicart board myself, finally worked out the kinks last week. Thank you. I appreciate that you like it. I use EasyEDA. https://easyeda.com/ PS: I know you web site. I lear many things from your site. You make me wanted to do i...