I've been struggling for the past day or so trying to get a Star Fox 2 repro working on a Doom donor cart.
I used a TSOP40 to DIP36 adapter from Buyicnow (the Type III one), and a AM29F080 I had spare to burn the game. I downloaded the rom image with the matching "good" MD5 as listed on the SF2 translation patch page on Romhacking.net, applied the patch, checked for a header via SNES purify, tested it in bsnes, and wired it up 1:1, since it was on an adapter board that matches the exact pinout of a normal SNES mask rom (and GSU roms, from what 3 or four sources say).
However, it just will not flipping boot.
I've checked the re-checked for bridges on the TSOP, replaced the TSOP, checked my solder points with a continuity tester, and nothing is bridged. The chip gets 5 Volts, and is grounded properly, /CE and /OE are tied to ground (CE originally was going to pin 20 on the GSU2 though? I tried it both ways. Neither worked.)
I continuity tested every address and data line, and they all went to the GSU2, but the pins did not mesh with the pinout of the GSU2 mentioned here: http://www.snescentral.com/0/0/7/0077/sf2_faq.txt, so either I have a special board, or the document there is incorrect.
My copy of Doom even has the Korean SRAM found in Stunt Race FX, so it SHOULD be fine. (I removed it from a destroyed board)
Regardless, when I put the game in my SNES, I get a black screen. My sony PVM says it's getting an RGB signal though.
The board model is SHVC-1CB0N7S-01
http://www.snescentral.com/pcbboards.ph ... 1CB0N7S-01
Anyone have any suggestions?
Did I maybe fry the GSU2 with an errant static shock?
I used a TSOP40 to DIP36 adapter from Buyicnow (the Type III one), and a AM29F080 I had spare to burn the game. I downloaded the rom image with the matching "good" MD5 as listed on the SF2 translation patch page on Romhacking.net, applied the patch, checked for a header via SNES purify, tested it in bsnes, and wired it up 1:1, since it was on an adapter board that matches the exact pinout of a normal SNES mask rom (and GSU roms, from what 3 or four sources say).
However, it just will not flipping boot.
I've checked the re-checked for bridges on the TSOP, replaced the TSOP, checked my solder points with a continuity tester, and nothing is bridged. The chip gets 5 Volts, and is grounded properly, /CE and /OE are tied to ground (CE originally was going to pin 20 on the GSU2 though? I tried it both ways. Neither worked.)
I continuity tested every address and data line, and they all went to the GSU2, but the pins did not mesh with the pinout of the GSU2 mentioned here: http://www.snescentral.com/0/0/7/0077/sf2_faq.txt, so either I have a special board, or the document there is incorrect.
My copy of Doom even has the Korean SRAM found in Stunt Race FX, so it SHOULD be fine. (I removed it from a destroyed board)
Regardless, when I put the game in my SNES, I get a black screen. My sony PVM says it's getting an RGB signal though.
The board model is SHVC-1CB0N7S-01
http://www.snescentral.com/pcbboards.ph ... 1CB0N7S-01
Anyone have any suggestions?
Did I maybe fry the GSU2 with an errant static shock?