Hi ! me again,
So I'm trying to implement that official_only.nes test, that uses MMC1.
I managed to get the bankmapping working with the 5 bits shift register and it looks like it works ok.
What I don't understand at all, is how this impacts my rendering functions. According to the header, it has 16 banks of PRGROM of 16 kb each, which is the full rom, and no data for chrRom. So this means that the graphics are not hardcoded into the rom like other games ?
How am I supposed to change my logic to draw the letters for this test ?
I managed to implement all that t and v internal registers to get accurate scrolling, but this is something different.
Sorry for these basic questions, and thanks as always.
So I'm trying to implement that official_only.nes test, that uses MMC1.
I managed to get the bankmapping working with the 5 bits shift register and it looks like it works ok.
What I don't understand at all, is how this impacts my rendering functions. According to the header, it has 16 banks of PRGROM of 16 kb each, which is the full rom, and no data for chrRom. So this means that the graphics are not hardcoded into the rom like other games ?
How am I supposed to change my logic to draw the letters for this test ?
I managed to implement all that t and v internal registers to get accurate scrolling, but this is something different.
Sorry for these basic questions, and thanks as always.