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04-26-24 01:13 PM |
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| 0 users currently in ROM Hacking | 3 guests |
| Main - ROM Hacking - mario Adventure and Powerpak | New thread | New reply |
| Googie |
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 Giant Red Paratroopa Level: 77 Posts: 169/1407 EXP: 4181129 Next: 10000 Since: 02-19-07 From: Brooklyn, NY Last post: 9 days Last view: 9 days |
Posted by Grey Megatron Cause you said please, click right here.  ____________________ My Linktree |
| Dr. Hell |
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 Lakitu Level: 52 Posts: 236/552 EXP: 1026488 Next: 57352 Since: 03-02-07 From: Pittsburgh, PA Last post: 5034 days Last view: 4991 days |
Posted by Grey Megatron Pssh. My last hack was like 10 times more arghghghg than Mario Adventure, and I dropped the money to get it put on it's own cart. If MA was compatible with an actual NES it wouldn't be a bad addition to the collection. It's different enough that it can be considered it's own game and not just like more SMB3. |
| KawaiiImoto-e |
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 Shyguy Level: 24 Posts: 75/98 EXP: 76847 Next: 1278 Since: 02-20-07 From: Rüti ZH Last post: 5176 days Last view: 2015 days |
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| Dwedit |
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 Red Paratroopa Level: 30 Posts: 115/162 EXP: 163142 Next: 2727 Since: 03-07-07 From: Chicago Last post: 3518 days Last view: 1613 days |
Never obsolete's post is the exact reason why it fails on real hardware. In order to use the MMC3's IRQ counter, you need to make sure the game takes background from the left pattern table, and sprites from the right. A NES naturally fetches stuff from the one pattern table for background, then one pattern table for sprites. If no sprites are visible, it takes from the right anyway. The MMC3's IRQ counter works based on the the way the NES would alternate between each pattern table.
Mario Adventure takes from both, so each time it takes a sprite from the left table, causing the IRQ counter to get a clock early, so the status bar moves up one pixel, and that's bad. Only way to get around that is hack the game to use a different mapper with a different way to generating IRQs, such Konami VRC7 or MMC5. Probably VRC7. ____________________ |
| Ailure |
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Hats Steam Board2 group Level: 121 Posts: 1781/3965 EXP: 19779265 Next: 277431 Since: 02-19-07 From: Sweden, Skåne Last post: 3301 days Last view: 2052 days |
Hacking a hack. xD
I'm rather amused by that thought. Well, it would be nice if it got fixed (even unofficially), seeing how more accurate emulators don't like playing the ROM either.  ____________________ AIM: gamefreak1337, MSN: Emil_sim@spray.se, XMPP: ailure@xmpp.kafuka.org
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| Dwedit |
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Red Paratroopa Level: 30 Posts: 116/162 EXP: 163142 Next: 2727 Since: 03-07-07 From: Chicago Last post: 3518 days Last view: 1613 days |
I have no clue why Nestopia refuses to play it, seeing as Nintendulator plays it fine. Assuming this is after you pad out the file to be 512k in size (256k PRG, 256k CHR) ____________________ |
| Ailure |
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Hats Steam Board2 group Level: 121 Posts: 1804/3965 EXP: 19779265 Next: 277431 Since: 02-19-07 From: Sweden, Skåne Last post: 3301 days Last view: 2052 days |
Well, I just found out that Nestopia refuses to play a small homebrew ROM of my own.
...that's actually somewhat frustrating. xD ____________________ AIM: gamefreak1337, MSN: Emil_sim@spray.se, XMPP: ailure@xmpp.kafuka.org
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| Main - ROM Hacking - mario Adventure and Powerpak | New thread | New reply |
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