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05-02-24 09:19 PM |
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| Main - Posts by math |
| math |
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Newcomer Level: 6 Posts: 1/6 EXP: 870 Next: 37 Since: 09-20-14 Last post: 3492 days Last view: 1806 days |
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Newcomer Level: 6 Posts: 2/6 EXP: 870 Next: 37 Since: 09-20-14 Last post: 3492 days Last view: 1806 days |
There is no need to worry about a mass production of this hack. There is only 1 NES game suitable as a donor cartridge. This game is already a rare NES game which sells for an insane price. Buying up all these games will make the price go even more insane.
Even the EPROMs you need to create the cartridge are overpriced. Next to this, there is a huge risk screwing up your donor cartridge... Overall, creating a cartridge of this game is purely for the people who really want to play this game on real hardware and know how to create and advanced reproduction cartridge. |
| math |
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Newcomer Level: 6 Posts: 3/6 EXP: 870 Next: 37 Since: 09-20-14 Last post: 3492 days Last view: 1806 days |
flashback is asking $145 for this game?! wtf... way overpriced
The donorboard must be a EWROM based game, there are only 4 (http://bootgod.dyndns.org:7777/search.php?pcb_op=LIKE+%60%25%40%25%60&pcb=EWROM). The 2 27C080 / 27C801 EPROMs are expensive, but that would only be $10 or something. These guys are making more then $90 for a label and a box. |
| math |
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Newcomer Level: 6 Posts: 4/6 EXP: 870 Next: 37 Since: 09-20-14 Last post: 3492 days Last view: 1806 days |
I can confirm v4.0 is working on real hardware (PAL & NTSC NES).
If you really want to play the game on real hardware, you will have 2 options. Buy an outdated overpriced version from Flashback Entertainment or make one yourself. Since this is a hack, I strongly recommend you to create a cartridge with sockets. In this case, every time a new version is released you just erase the EPROMs and burn them again, without soldering! The last time I posted a picture of my socketed EWROM cartridge, I received a lot of PMs how I did the wiring. So I made a small guide to help everyone. You can click on the pictures for a full-sized image! Step 1 – Get a donor cartridge There are currently one 4 known NES games which use an EWROM based PCB. You need one of these games to use as a donor cartridge; there are 3 Famicom games: • Aoki Ookami to Shiroki Mejika: Genchou Hishi • Nobunaga no Yabou: Bushou Fuuunroku • Sangokushi II And of course the English translation of Sangokushi II, this is the only NES game available: • Romance of the Three Kingdoms II You can find this information using bootgods website Step 2 – Desolder the MASK ROMs The next step is to desolder the original MASK ROMs. I used a Famicom cartridge, this type you can easily open with a 3.8mm Gamebit. 
Also check if the battery isn’t drained, all my EWROM games had a fully drained battery. Swap it or replace it with a battery holder. Step 3 – Cut the traces MMC5 based MASK ROMs don’t have a different pinout for PRG and CHR-ROM. So this step is somehow the same. You can find the details at nesdev) The conversion I used is:
So, we need to cut the traces for hole 1,2,24,30 and 31. First, do the CHR-ROM, cut the traces 1,2,30 and 31 on the back side. Please note cut both traces for pin 31! 
Cut the trace for pin 24 on the front side. 
Do the same for the PRG ROM, cut the traces 2,24,30 and 31 on the back side. 
Cut the trace for pin 1 on the front side 
Step 4 – Soldering Solder the 32-PIN sockets (or the EPROM directly) to the PCB, need need to bend pins. I used this conversion to make the EPROMs work:
The next step is to solder a small wire to pin 64 (PRG A17) of the MMC5 chip (pin out MMC5 is available here). I use thin Kynar AWG30 wires. Soldering this wire can be a little bit tricky. I put the wire through the hole above (don't solder it to this hole, you need to solder it on the back to PRG pin 1) 
Next, solder the to the PRG socket pins. See the picture for reference. 
Do the same for the CHR ROM. Please note the 2nd wire to pin 24! 
The cartridge is now done! Burn some EPROMs and start playing your favourite hacks! 
If you don't have the time, skills or courage to do this, I am willing to sell or trade (PAL-B only) some of my EWROM socketed cartridges, without EPROMs! Send me a PM if you are interested, I could do something with the price if you send me a donor cartridge. Have fun soldering and gaming! |
| math |
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Newcomer Level: 6 Posts: 5/6 EXP: 870 Next: 37 Since: 09-20-14 Last post: 3492 days Last view: 1806 days |
Posted by Proveaux Correct, but if you use the pin bending trick, there is no chance to reprogram your EPROMs. Since if you bend those pins 2 times they will break. 27C801/27C080 EPROM are too expensive (5 euro / each) to trow away after 1 or 2 times... but that's my opinion. |
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Newcomer Level: 6 Posts: 6/6 EXP: 870 Next: 37 Since: 09-20-14 Last post: 3492 days Last view: 1806 days |
Posted by ChaobomrPosted by math5 euro? Sounds kinda cheap if you ask me! Then again, I'm not exactly made of money, so... You can get a 2Mbit EEPROM (29C020), which can be used for 70% of the NES games, for like 0,60 euro. So, this EPROM is expensive. But still, if you make the game yourself - Donor Famicom 15 Euros / Donor NES 40 Euros - 2x 27C801 EPROMs 10 Euros - Wires / solder / sockets 5 Euros - 2 hours of soldering fun - priceless Do the math, you can have a working version of this game for about 30 Euros. Of cource, you need to tools and skills... But I think every NES hacking geek has a soldering iron at home 
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