Program Mapper Change

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nroflmao
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Location: Detroit, MI

Re: Program Mapper Change

Post by nroflmao » Wed Dec 19, 2018 7:05 pm

Kudos to Mihoshi20 for the great testing work, that actually helped me solve my issue for running my ROM on Retropie which has FCEUMM, Nestopia, and QuickNES.
Mapper30 won't work with Nestopia or QuickNES, and with FCEUMM it won't let me scroll up (gives me black screen) on adventure module.
Changing my rom to Mapper2 then running it with Nestopia or QuickNES now works, and the scrolling vertical works, so far as I can tell everything is working the same way as it does with Mapper30 using FCEUX (which isn't supported on RetroPie).
Your pass/fail criteria above made me realize i wasn't testing Mapper2 with the other emulators, only FCEUMM and it was just failing so i assumed the others would as well.
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FormulaFanboy
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Re: Program Mapper Change

Post by FormulaFanboy » Wed Oct 16, 2019 10:14 pm

Hey... so would changing the mapper to Mapper 2 still be possible? And if so, how?
Thanks in advance!
Be sure to check out my games! :D
Battery Chad: Shock the World (https://gamejolt.com/games/chad/431122)
Battery Chad Builder (https://gamejolt.com/games/batterybuilder/440230)
Battery Chad: Topdown Turmoil (Coming soon!)
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dale_coop
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Location: France

Re: Program Mapper Change

Post by dale_coop » Fri Oct 18, 2019 9:29 am

You could just modify the header to make it looks like a mapper 2 rom (some emulators would be able to load your game)
Use freeware like "iNES Header Checker", for example, open the game.nes, change the mapper to "2- UnROM PRG 16k swap", and save the modification.
(I use this technique to play my nesmaker roms on my BittBoy handheld device)
-----
Sorry about my poor english
All I need: A Damn Fine Cup of Coffee
My games: PRESS START GAME / UNDERGROUND ADVENTURE / UNDERGROUND ADVENTURE (Arcade version - Byte-Off-2019)
My son's game: KUBO 3
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FormulaFanboy
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Re: Program Mapper Change

Post by FormulaFanboy » Sat Oct 19, 2019 3:32 am

dale_coop wrote:
Fri Oct 18, 2019 9:29 am
You could just modify the header to make it looks like a mapper 2 rom (some emulators would be able to load your game)
Use freeware like "iNES Header Checker", for example, open the game.nes, change the mapper to "2- UnROM PRG 16k swap", and save the modification.
(I use this technique to play my nesmaker roms on my BittBoy handheld device)
Holy crap Dale, you've saved my life again-- thank you so much!!
This let me convert my game to an SWF flash file, and also an EXE. This means NESMaker games can be converted into flash and PC games!!
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Be sure to check out my games! :D
Battery Chad: Shock the World (https://gamejolt.com/games/chad/431122)
Battery Chad Builder (https://gamejolt.com/games/batterybuilder/440230)
Battery Chad: Topdown Turmoil (Coming soon!)
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dale_coop
Posts: 5408
Joined: Fri Feb 16, 2018 7:05 am
Location: France

Re: Program Mapper Change

Post by dale_coop » Sat Oct 19, 2019 11:37 am

Oh wow, cool!
-----
Sorry about my poor english
All I need: A Damn Fine Cup of Coffee
My games: PRESS START GAME / UNDERGROUND ADVENTURE / UNDERGROUND ADVENTURE (Arcade version - Byte-Off-2019)
My son's game: KUBO 3
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