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https://git.sr.ht/~rabbits/uxn
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32 lines
1.1 KiB
C
32 lines
1.1 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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/*
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Copyright (c) 2021 Devine Lu Linvega
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Copyright (c) 2021 Andrew Alderwick
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Permission to use, copy, modify, and distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE.
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*/
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typedef unsigned char Uint8;
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typedef unsigned short Uint16;
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typedef unsigned int Uint32;
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typedef struct Ppu {
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Uint8 *bg, *fg;
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Uint16 hor, ver, pad, width, height;
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Uint32 *output, colors[4];
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} Ppu;
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int initppu(Ppu *p, Uint8 hor, Uint8 ver, Uint8 pad);
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void putcolors(Ppu *p, Uint8 *addr);
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void putpixel(Ppu *p, Uint8 *layer, Uint16 x, Uint16 y, Uint8 color);
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void puticn(Ppu *p, Uint8 *layer, Uint16 x, Uint16 y, Uint8 *sprite, Uint8 color, Uint8 flipx, Uint8 flipy);
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void putchr(Ppu *p, Uint8 *layer, Uint16 x, Uint16 y, Uint8 *sprite, Uint8 color, Uint8 flipx, Uint8 flipy);
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void drawppu(Ppu *p);
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void drawdebugger(Ppu *p, Uint8 *stack, Uint8 ptr);
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