11 March 2016 - Forum Rules
Started by MojoDodo, December 30, 2021, 06:22:55 AM
Quote from: ProstatePunch on January 03, 2022, 11:37:31 AMYay! Love more color hacks for the GB.Do you plan on posting this to the main site?
Quote from: lilpuddy31 on January 15, 2022, 03:01:07 AMHey Mojo, I just tried the patch you just posted, using the MGBA core in RetroArch, the game locks up at the GBC bios screen
Quote from: Satoshi_Matrix on January 18, 2022, 03:04:14 AMPLease post some screenshots. I'd love to see what this looks like. I actually played a lot of Alleyway when I was a kid.
QuoteIf you have any other questions, feel free to ask.
QuoteIt all fits into 32k rom, and there was plenty of empty space available to play in.
Quote from: MojoDodoTo find unused space, I'd just look for areas that were all ff or zero in either the memory browser or in yy-char, and put code in them. I guess it might be possible for a rom to have some big area of blank space that was being used for something (maybe a pause in some uncompressed music), but I didn't seem to hit any.Open up Alleyway & bubble ghost in yy-char, and you will see what I mean pretty quickly about alleyway having lots of space.
Quote from: MojoDodoIn reality, since hw costs aren't an issue, you can just change to a bigger mbc and rom, but keeping to the 32k size of the original is a fun extra challenge.
Quote from: MojoDodoI get enough proper programming in my day job.
Quote from: MojoDodoFor one of my homebrew games I used one that takes 2 parameters, the bank # and address of the fn you want to call. It:reads the current bankpushes that onto the stackchanges to the requested bankcalls the requested fnwhen it returns it pop the original bank and switches back to that, then returns
Quote from: vermeso I was wondering if it would be possible to just change the rom header to GBC, and set the background and sprites palettes.
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