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palette

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This commit is contained in:
Zack Buhman 2024-08-31 10:28:27 -05:00
parent 9e9764ef38
commit 4dd7a033ac
3 changed files with 34 additions and 4 deletions
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4
addresses_arm9.lds
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@ -1,4 +1,4 @@
io_registers = 0x04000000;
pram = 0x05000000;
oam = 0x07000000;
palette_ram = 0x05000000;
bg_vram = 0x06000000;
oam = 0x07000000;

4
main.c
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@ -1,6 +1,7 @@
#include "io_registers.h"
#include "bits.h"
#include "bg.h"
#include "palette.h"
#include "res/player.h"
#include "res/player.pal.h"
@ -41,10 +42,9 @@ void main()
// palette ram
for (int i = 0; i < 15; i++) {
((volatile uint16_t *)(0x05000000))[i] = rgb555(&pal[i * 3]);
palette_ram.a.bg.palette[0].color[i] = rgb555(&pal[i * 3]);
}
const uint8_t * data = (const uint8_t *)&_binary_res_player_data_start;

30
palette.h Normal file
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@ -0,0 +1,30 @@
#pragma once
#include <stdint.h>
#define static_assert _Static_assert
struct color16 {
uint16_t color[16];
};
static_assert((sizeof (struct color16)) == 0x20);
union palette {
struct color16 palette[16];
uint16_t color[256];
};
static_assert((sizeof (union palette)) == 0x200);
struct palette_bg_obj {
union palette bg;
union palette obj;
};
static_assert((sizeof (struct palette_bg_obj)) == 0x400);
struct palette_a_b {
struct palette_bg_obj a;
struct palette_bg_obj b;
};
static_assert((sizeof (struct palette_a_b)) == 0x800);
extern struct palette_a_b palette_ram __asm("palette_ram");