#include <nds.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

//---------------------------------------------------------------------------------
int main(void) {
    //---------------------------------------------------------------------------------
    int i = 0;

    videoSetMode(MODE_0_2D);
    videoSetModeSub(MODE_0_2D);

    vramSetBankA(VRAM_A_MAIN_SPRITE);
    vramSetBankD(VRAM_D_SUB_SPRITE);

    oamInit(&oamMain, SpriteMapping_1D_32, false);
    oamInit(&oamSub, SpriteMapping_1D_32, false);

    u16* gfx = oamAllocateGfx(&oamMain, SpriteSize_16x16, SpriteColorFormat_256Color);
    u16* gfxSub = oamAllocateGfx(&oamSub, SpriteSize_16x16, SpriteColorFormat_256Color);

    for(i = 0; i < 16 * 16 / 2; i++)
    {
        gfx[i] = 1 | (1 << 8);
        gfxSub[i] = 1 | (1 << 8);
    }

    SPRITE_PALETTE[0] = RGB15(0,31,0);
    SPRITE_PALETTE[1] = RGB15(31,0,0);
    oamSet(&oamMain, //main graphics engine context
    0,           //oam index (0 to 127)  
    0, 0,   //x and y pixle location of the sprite
    0,                    //priority, lower renders last (on top)
    0,                      //this is the palette index if multiple palettes or the alpha value if bmp sprite    
    SpriteSize_16x16,    
    SpriteColorFormat_256Color,
    gfx,                  //pointer to the loaded graphics
    -1,                  //sprite rotation data  
    false,               //double the size when rotating?
    false,            //hide the sprite?
    false, false, //vflip, hflip
    false    //apply mosaic
    );
    oamUpdate(&oamMain);
    oamSet(&oamMain, //main graphics engine context
    1,           //oam index (0 to 127)  
    16, 16,   //x and y pixle location of the sprite
    0,                    //priority, lower renders last (on top)
    1,                      //this is the palette index if multiple palettes or the alpha value if bmp sprite    
    SpriteSize_16x16,    
    SpriteColorFormat_256Color,
    gfx,                  //pointer to the loaded graphics
    -1,                  //sprite rotation data  
    false,               //double the size when rotating?
    false,            //hide the sprite?
    false, false, //vflip, hflip
    false    //apply mosaic
    );
    oamUpdate(&oamMain);
    while(1) {
        swiWaitForVBlank();
    }

    return 0;
}

#include <nds.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

//---------------------------------------------------------------------------------
int main(void) {
    //---------------------------------------------------------------------------------
    int i = 0;

    videoSetMode(MODE_0_2D);
    videoSetModeSub(MODE_0_2D);

    vramSetBankA(VRAM_A_MAIN_SPRITE);
    vramSetBankD(VRAM_D_SUB_SPRITE);

    oamInit(&oamMain, SpriteMapping_1D_32, false);
    oamInit(&oamSub, SpriteMapping_1D_32, false);

    u16* gfx = oamAllocateGfx(&oamMain, SpriteSize_16x16, SpriteColorFormat_256Color);
    u16* gfxSub = oamAllocateGfx(&oamSub, SpriteSize_16x16, SpriteColorFormat_256Color);

    for(i = 0; i < 16 * 16 / 2; i++)
    {
        gfx[i] = 1 | (1 << 8);
        gfxSub[i] = 2 | (2 << 8);
    }

    SPRITE_PALETTE[1] = RGB15(0,31,0);  //L'indice 0 è bene lasciarlo per eventuali trasparenze
    SPRITE_PALETTE[2] = RGB15(31,0,0);
    oamSet(&oamMain, //main graphics engine context
    0,           //oam index (0 to 127)  
    0, 0,   //x and y pixle location of the sprite
    0,                    //priority, lower renders last (on top)
    0,                      //this is the palette index if multiple palettes or the alpha value if bmp sprite    
    SpriteSize_16x16,    
    SpriteColorFormat_256Color,
    gfx,                  //pointer to the loaded graphics
    -1,                  //sprite rotation data  
    false,               //double the size when rotating?
    false,            //hide the sprite?
    false, false, //vflip, hflip
    false    //apply mosaic
    );
    oamUpdate(&oamMain);
    oamSet(&oamMain, //main graphics engine context
    1,           //oam index (0 to 127)  
    16, 16,   //x and y pixle location of the sprite
    0,                    //priority, lower renders last (on top)
    0,                      //this is the palette index if multiple palettes or the alpha value if bmp sprite    
    SpriteSize_16x16,    
    SpriteColorFormat_256Color,
    gfx,                  //pointer to the loaded graphics
    -1,                  //sprite rotation data  
    false,               //double the size when rotating?
    false,            //hide the sprite?
    false, false, //vflip, hflip
    false    //apply mosaic
    );
    oamUpdate(&oamMain);
    while(1) {
        swiWaitForVBlank();
    }

    return 0;
}