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https://github.com/sehugg/8bitworkshop.git
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54 lines
2.3 KiB
C
54 lines
2.3 KiB
C
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//this example code unpacks a RLE'd nametable into the VRAM
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//you can create the source data using NES Screen Tool
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#include "neslib.h"
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const unsigned char test[308]={
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0x01,0x00,0x01,0xa3,0x10,0x01,0x04,0x00,0x10,0x01,0x04,0x00,0x10,0x01,0x04,0x00,
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0x10,0x01,0x04,0x00,0x01,0x0a,0x10,0x00,0x01,0x02,0x10,0x00,0x01,0x04,0x10,0x00,
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0x01,0x06,0x10,0x00,0x01,0x0c,0x10,0x00,0x01,0x02,0x10,0x01,0x02,0x00,0x01,0x02,
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0x10,0x01,0x04,0x00,0x01,0x02,0x10,0x00,0x01,0x0c,0x10,0x00,0x01,0x02,0x10,0x00,
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0x01,0x08,0x10,0x00,0x01,0x02,0x10,0x00,0x01,0x0c,0x10,0x00,0x01,0x02,0x10,0x01,
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0x04,0x00,0x10,0x01,0x04,0x00,0x01,0x02,0x10,0x00,0x01,0x42,0x10,0x00,0x01,0x06,
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0x10,0x01,0x04,0x00,0x10,0x00,0x01,0x04,0x10,0x01,0x04,0x00,0x10,0x00,0x01,0x04,
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0x10,0x00,0x01,0x06,0x10,0x00,0x01,0x02,0x10,0x00,0x10,0x00,0x01,0x04,0x10,0x00,
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0x01,0x06,0x10,0x01,0x04,0x00,0x01,0x06,0x10,0x00,0x01,0x02,0x10,0x00,0x10,0x00,
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0x01,0x04,0x10,0x01,0x02,0x00,0x01,0x04,0x10,0x00,0x01,0x02,0x10,0x00,0x01,0x06,
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0x10,0x01,0x03,0x00,0x00,0x10,0x00,0x01,0x04,0x10,0x00,0x01,0x06,0x10,0x00,0x01,
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0x02,0x10,0x00,0x01,0x06,0x10,0x00,0x01,0x02,0x10,0x00,0x10,0x01,0x04,0x00,0x10,
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0x01,0x04,0x00,0x01,0x02,0x10,0x01,0x04,0x00,0x01,0x46,0x10,0x00,0x01,0x02,0x10,
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0x00,0x10,0x01,0x04,0x00,0x10,0x01,0x04,0x00,0x01,0x0e,0x10,0x10,0x00,0x10,0x10,
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0x00,0x10,0x00,0x01,0x02,0x10,0x00,0x10,0x00,0x01,0x02,0x10,0x00,0x01,0x0e,0x10,
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0x00,0x10,0x00,0x10,0x00,0x10,0x00,0x01,0x02,0x10,0x00,0x10,0x00,0x01,0x02,0x10,
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0x00,0x01,0x0e,0x10,0x00,0x01,0x02,0x10,0x00,0x10,0x01,0x04,0x00,0x10,0x01,0x04,
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0x00,0x01,0x0e,0x10,0x00,0x01,0x02,0x10,0x00,0x10,0x00,0x01,0x02,0x10,0x00,0x10,
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0x00,0x01,0xde,0x50,0x01,0x07,0x55,0x01,0x07,0xa5,0x01,0x07,0xaa,0x01,0x0f,0x0a,
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0x01,0x07,0x01,0x00
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};
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const unsigned char palette[16]={ 0x0f,0x21,0x10,0x30,0x0f,0x14,0x21,0x31,0x0f,0x29,0x16,0x26,0x0f,0x09,0x19,0x29 }; //palette data
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//#link "tileset1.c"
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// tile set, two planes for 4 colors
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extern unsigned char TILESET[8*256];
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void main(void)
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{
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//rendering is disabled at the startup, and palette is all black
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pal_bg(palette);//set background palette from an array
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//copy tileset to RAM
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vram_write((unsigned char*)TILESET, 0x0, sizeof(TILESET));
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//unpack nametable into the VRAM
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unrle_vram(test,0x2000);
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//enable rendering
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ppu_on_all();
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while(1);//do nothing, infinite loop
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}
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