SUPER MARIO NIGHT TIME PALETTE PLUS
SUPER MARIO NIGHT TIME PALETTE TV

But in order to do this, well need to reset the high low latch over in the address register $2002 (the PPU status register) which is Read-Only to High. Just for now since we don't have sprites yet. incbin 'mario.chr' includes 8KB graphics file from SMB1After the vblankwait period 2 we need to load the palette into the address $3F00-$3F0F for the background palette. incbin 'mario.chr' includes 8KB graphics file from SMB1Where it says bank 1 is where we will put our palette database over in the origin of $E000

dw 0 external interrupt IRQ is not used in this tutorial dw RESET when the processor first turns on or is reset, it will jump dw NMI when an NMI happens (once per frame if enabled) the

org $FFFA first of the three vectors starts here JMP Foreverloop jump back to Forever, infinite loop Vblankwait2: Second wait for vblank, PPU is ready after this

Vblankwait1: First wait for vblank to make sure PPU is ready inesmap 0 mapper 0 = NROM, no bank swapping Since I'm getting anxious to show you some code, were going to use the same palette as Super Mario Bros. So you can only select 1 palette out of 4 per 8x8 pixel region using the attribute table, no matter if you are drawing the background or a sprite.

SUPER MARIO NIGHT TIME PALETTE PLUS

On top of that, each 16 color palette section is actually 4 semi palettes which consists of 4 colors transparency plus 3 other colors.

SUPER MARIO NIGHT TIME PALETTE TV

The NES really doesn't have an RGB system built in, and the colors can vary from TV to TV. However, since the first color (the transparency color) mirrors every 4 bytes starting at $3F00 at $3F04, $3F08, $3F0C for one palette, and $3F10, $3F14, $3F18, $3F1C for the other palette, you now only have 13 colors per palette, well 13 and 12 since the first one mirrored all across, giving you a total of 25 colors, which by the way isn't RGB. Using 2 palettes, you can load upto a 16 color palette for image data and 16 color palette for sprite data. Probably cause different TV's or chipsets show black instead of grey. Not to mention I heard it's not a good idea to use color $3D for some reason. However, only 25 colors can be used at a time. The NES has a color palette of 54 colors, with room for 64. You can either load a palette from file, or you can manually type out palette data and load it from that. Now that you got a taste of it, it's time to get out of that dull grey background and finally add some color! But before we can setup the color, well need a palette. Hey and welcome back to my NES programming tutorial series.

Super mario night time palette