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05-02-24 04:56 AM |
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| Main - Posts by SatoshiMatrix |
| SatoshiMatrix |
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Newcomer Level: 6 Posts: 1/5 EXP: 664 Next: 243 Since: 08-29-14 Last post: 3532 days Last view: 3533 days |
This is really getting me excited. I heard about this on romhacking.net and knew I had to come here.
On page 1, I read that this game isn't capable of running on either NES flashcart due to the sheer size. I read Converted from MMC1 to MMC5 1MB PRG-ROM 1MB CHR-ROM 8KB SRAM Installed custom modified Capcom 6C80 Sound Engine, with DPCM usage I prefer to play my NES/Famicom games on the real hardware whenever possible. What I want to know is if this game is possible to run on the real hardware via a reproduction cartridge on ExROM such as EKROM. I do believe that ExROM maxes out at 1024 KB of ROM space for both PRG and CHR for a theoretical maximum size of 16 Megs, so this should be right on the outer edges of what is possible on the hardware. But not sure about that last part. Can you comment, infidelity? |
| SatoshiMatrix |
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Newcomer Level: 6 Posts: 2/5 EXP: 664 Next: 243 Since: 08-29-14 Last post: 3532 days Last view: 3533 days |
Haha, that was actually just the kind of response I was anticipating. I did some checking with Famicom boards I have on hand, and yes indeed infidelity, your hack is possible on running the real Famicom hardware.
In fact, your hack is not running on the absolute frindges since it is currently running with just 8K WRAM. The largest Famicom only carts ever produced have the option to double that to 2 banks of 8K or even go up to 32K of PRG RAM. Only then would you reach the maximum capacity of what is possible on the real Famicom hardware (but the 72 pin NES hardware limits are exceeded at this point). Just to restate, the Famicom only board type EWROM on MMC5 has a maximum capacity of: 1024 KB PRG 1024 KB CHR 32 KB PRG RAM CR203 Battery backup SRAM saving feature |
| SatoshiMatrix |
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Newcomer Level: 6 Posts: 3/5 EXP: 664 Next: 243 Since: 08-29-14 Last post: 3532 days Last view: 3533 days |
What game is that? I might be able to help you.
You're not talking about persebe's Rockman 4 MI are you? because the pause menu glitches were resolved. But I don't beleive MI requires 16K PRG RAM. What game are you talking about? |
| SatoshiMatrix |
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Newcomer Level: 6 Posts: 4/5 EXP: 664 Next: 243 Since: 08-29-14 Last post: 3532 days Last view: 3533 days |
Posted by infidelity In the case of the MMC5 in particular, you can map the WRAM (aka PRG-RAM) into $6000-$DFFF, while all the more common, less capable mappers normally allow WRAM at $6000-$7FFF and only ROM above that. Since this is an MMC1 to MMC5 conversion, you are given the option to load the game's ROM banks into RAM, and basically create a "Game Genie on steroids" setup where you'd be able to modify as many bytes as you want, as well as being able to enable/disable those modifications during gameplay. This pretty much is what programmers call self-modifying code. The alternative is hand-assembling mods into the code, or disassembling and reassembling the code. But it involves some coding either way. If you were to specifically make a version of EWROM's 32KB of available work RAM, you could use that huge amount of extra RAM for many more variables, or storing stuff like world data which would be decompressed from ROM. I know you're probably very busy as it is, but if you could make use of the additional PRG RAM supported my EWROM, you could make your game even more advanced. |
| SatoshiMatrix |
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Newcomer Level: 6 Posts: 5/5 EXP: 664 Next: 243 Since: 08-29-14 Last post: 3532 days Last view: 3533 days |
Posted by kuja killer Ah, I remember playing a beta version some time ago. Did you ever finish that? I'm a huge fan of megaman rom hacks and would love to check that out and attempt to get it running on the real hardware if possible. I'm brand new here, so I have no idea if ther'es a pm system or what. If you have something that's beyond the extremely early beta phase that I recall trying out, please, email me the rom at satoshimatrix@hotmail.com. I remember thinking Odyssey, Megaman Forever, and Megaman Ultra 2 held such promise and it was a shame they never came to be. |
| Main - Posts by SatoshiMatrix |
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