Search found 54 matches

by nintendo8
Thu Jun 27, 2013 3:50 pm
Forum: NES Hardware and Flash Equipment
Topic: Making a EPROM Burner
Replies: 42
Views: 16099

Re: Making a EPROM Burner

I fixed the segmentation fault I believe also maybe the reason it is not dumping all the way is because linux is missing some bytes I have had some problems with 1megabuad on linux so I changed it to 0.5megabaud which works more stable. Also I do not need any flash chips the f040 is so similar to th...
by nintendo8
Wed Jun 26, 2013 4:54 pm
Forum: NES Hardware and Flash Equipment
Topic: Making a EPROM Burner
Replies: 42
Views: 16099

Re: Making a EPROM Burner

I did change the loop length, but when I get replacement chips, i will try the new one. thanks :) I still think it is a software issue and not a hardware issue. Also if the game took smaller flash just don't connect all address lines to the NES cart and you only have larger flash just don't connect...
by nintendo8
Sun Jun 23, 2013 7:04 pm
Forum: NES Hardware and Flash Equipment
Topic: Making a EPROM Burner
Replies: 42
Views: 16099

Re: Making a EPROM Burner

About the flash dumper getting stuck I think you forgot to change how long the loops run for. I updated my programs both the avr and computer-side to detect the capacity of the flash chip based on the chip ID. Also I merged the reading capabilities to the writing program to read instead of write spe...
by nintendo8
Sat Jun 15, 2013 10:28 pm
Forum: NES Hardware and Flash Equipment
Topic: Making a EPROM Burner
Replies: 42
Views: 16099

Re: Making a EPROM Burner

A7 goes to Q7 on the shift register that is connected to pin 2. A8 goes to Q0 on the shift register that is connected to pin 3 and so on. So here is the address mapping A7:A0 Q7:Q0 shift register pin 2 A15:A8 Q7:Q0 shift register pin 3 A7:16 Q1:Q0 shift register pin 4 note that the ':' symbol means ...
by nintendo8
Thu Jun 13, 2013 9:03 pm
Forum: NES Hardware and Flash Equipment
Topic: Making a EPROM Burner
Replies: 42
Views: 16099

Re: Making a EPROM Burner

OE# only goes to the flash chip. Serial strobe is the clock that is SRCLK this is common with a 3 shift registers (connected together) that goes from pin 10 on the arduino uno to pin 11 on the shift register. RCLK is the storage register think of this as a latch. I also forgot to mention that Pin 10...
by nintendo8
Thu Jun 13, 2013 6:16 pm
Forum: NES Hardware and Flash Equipment
Topic: Making a EPROM Burner
Replies: 42
Views: 16099

Re: Making a EPROM Burner

The arduino uno r3 uses an atmega328p the atmega16u2 acts as a usb to serial converter so in others you would want to change it to atmega328p however I believe I already have it set to that and if fact make writeflash should already be able to program your arduino uno r3 assuming that is is at /dev/...
by nintendo8
Thu Jun 13, 2013 4:30 pm
Forum: NES Hardware and Flash Equipment
Topic: Making a EPROM Burner
Replies: 42
Views: 16099

Re: Making a EPROM Burner

Could you please post all errors generated by avr-gcc. Should have used the makefile. D'oh! It's working now :) Glad to hear it make sure you replace 524288 with 262144 in both programs so it works with the smaller capacity flash chips. Also for stuff that you should be real careful to do is not mi...
by nintendo8
Mon Jun 10, 2013 6:01 am
Forum: NES Hardware and Flash Equipment
Topic: Making a EPROM Burner
Replies: 42
Views: 16099

Re: Making a EPROM Burner

Could you please post all errors generated by avr-gcc.
by nintendo8
Sat Jun 08, 2013 6:52 pm
Forum: NES Hardware and Flash Equipment
Topic: Making a EPROM Burner
Replies: 42
Views: 16099

Re: Making a EPROM Burner

About dumping the chips... I just committed a patch to my repo for both the computer side and arduino side that allows for the dumping previously it would always go into write mode which would erase the whole chip now it will go into dump/program mode based on which program on the computer you run....
by nintendo8
Fri Jun 07, 2013 7:16 pm
Forum: NES Hardware and Flash Equipment
Topic: Making a EPROM Burner
Replies: 42
Views: 16099

Re: Making a EPROM Burner

yes however I hate to see part sacrificed. I don't think it is worth it to destroy a computer just for an NES game. Don't worry :) I will dump the chips to flash images first. And I found these beauties in a pile of junk in a factory corner. I have the pentium II's and III's and in the future I may...
by nintendo8
Fri Jun 07, 2013 6:58 am
Forum: NES Graphics
Topic: Retro Graphics Toolkit
Replies: 25
Views: 22217

Re: Retro Graphics Toolkit

No it is Gentoo GNU/Linux running lxde. Those screenshots are old I switched to xfce and there are some slight gui changes.
by nintendo8
Thu Jun 06, 2013 7:37 pm
Forum: NES Hardware and Flash Equipment
Topic: Making a EPROM Burner
Replies: 42
Views: 16099

Re: Making a EPROM Burner

i have found two old award bioses. they are 29c020-21 chips. these are flash, right? will they work? they are the exact size i needed (2Mbit). If you mean http://soft-manual.narod.ru/chips/flash/atmel/AT29C020.pdf then the answer is most likely yes however I hate to see part sacrificed. I don't thi...
by nintendo8
Thu Jun 06, 2013 1:59 pm
Forum: NES Hardware and Flash Equipment
Topic: Making a EPROM Burner
Replies: 42
Views: 16099

Re: Making a EPROM Burner

You have just saved my life. I am horrible with the physical aspect of electronics and while I like 9t I am not going to spend lots of money for a paralell port willem when i only have a paralell port on my 1995 ibm pc. Thanks for giving directions! Would it need to be altered for a SST39SF020? I o...
by nintendo8
Wed Jun 05, 2013 2:16 pm
Forum: NES Hardware and Flash Equipment
Topic: Making a EPROM Burner
Replies: 42
Views: 16099

Re: Making a EPROM Burner

I made a sst39sf040 programmer using an arduino uno and 3 74hc595. The sst39sf040 (cost $2 in single quantity at digikey) is cheaper than some eproms and does not need 12v only 5v and it is still in production and it does not need uv light to erase. Here is the wiring: Pin refers to the numbering on...
by nintendo8
Mon Jun 03, 2013 12:57 pm
Forum: NES Graphics
Topic: Retro Graphics Toolkit
Replies: 25
Views: 22217

Re: Retro Graphics Toolkit

Someone requested an updated windows binary so here it is
https://github.com/ComputerNerd/Retro-G ... kit.exe.7z
Click View Raw to download