PVSnesLib  4.3.0
Documentation to code in C or ASM for the Nintendo SNES
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graphics/Backgrounds/Mode1LZ77/Mode1LZ77.c
/*---------------------------------------------------------------------------------
Simple tile mode 1 demo with png graphic lzss compressed
Without compression : 12,2 Ko (12�544 octets)
With compression : 8,48 Ko (8�687 octets)
-- alekmaul
---------------------------------------------------------------------------------*/
#include <snes.h>
extern char patterns, patterns_end;
extern char palette, palette_end;
extern char map, map_end;
//---------------------------------------------------------------------------------
int main(void) {
// Copy tiles to VRAM
bgInitTileSetLz(0, &patterns, &palette, 0, (&palette_end - &palette), BG_16COLORS, 0x4000);
// Copy Map to VRAM
bgInitMapSet(0, &map, (&map_end - &map),SC_32x32, 0x0000);
// Now Put in 16 color mode and disable other BGs except 1st one
setMode(BG_MODE1,0);
// Wait for nothing :P
while(1) {
}
return 0;
}
void bgInitTileSetLz(u8 bgNumber, u8 *tileSource, u8 *tilePalette, u8 paletteEntry, u16 paletteSize, u16 colorMode, u16 address)
Initializes a Tile Set and Loads the Tile GFX compressed with LZ algo into VRAM.
void bgSetDisable(u8 bgNumber)
Disable a BG in the actual SNES mode.
void bgInitMapSet(u8 bgNumber, u8 *mapSource, u16 mapSize, u8 sizeMode, u16 address)
Initializes a Map Set and loads it into SNES VRAM.
void WaitForVBlank(void)
Waits for a VBlank interrupt.
the master include file for snes applications.
void setScreenOn(void)
Put screen On.
void setMode(u8 mode, u8 size)
Set the SNES hardware to operate in new display mode.