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04-24-24 06:34 AM |
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| 0 users currently in ROM Hacking | 2 guests | 1 bot |
| Main - ROM Hacking - Could be a stupid question... You be the judge. | New thread | New reply |
| RetroRain |
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 Fuzz Ball Level: 66 Posts: 33/994 EXP: 2437749 Next: 24102 Since: 09-30-07 Last post: 1933 days Last view: 955 days |
The Super Mario Bros. ROM file is 48K.
Looking at the header, it shows you that there is 2 16K PRG-ROM banks, and 1 8K CHR-ROM bank. Add this up, and you get 40K. Where is the other 8K coming from? The rom is 0x0000 to 0xC00F. 0x0000 to 0x4000 = 1 PGR-ROM bank 0x4000 to 0x8000 = 1 PGR-ROM bank 0x8000 to 0xA000 = 1 CHR-ROM bank 0xA000 to 0xC000 = ???? This is probably very obvious to someone other than myself. I just want to know what the heck is occupying 8K of space? The PGR-ROM contains the game code, levels, sound, any other routines, and the CHR-ROM contains the graphics. Everything else outside of the ROM file is stored in RAM, when you have the console on. Call me stupid if you want, but I want to know. ____________________ My YouTube Channel |
| Ailure |
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Hats Steam Board2 group Level: 121 Posts: 2215/3965 EXP: 19775677 Next: 281019 Since: 02-19-07 From: Sweden, Skåne Last post: 3299 days Last view: 2050 days |
Simple.
You have a overdump. SMB is 40K. ____________________ AIM: gamefreak1337, MSN: Emil_sim@spray.se, XMPP: ailure@xmpp.kafuka.org
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| RetroRain |
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Fuzz Ball Level: 66 Posts: 34/994 EXP: 2437749 Next: 24102 Since: 09-30-07 Last post: 1933 days Last view: 955 days |
Thanks man. ____________________ My YouTube Channel |
| Main - ROM Hacking - Could be a stupid question... You be the judge. | New thread | New reply |
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