44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
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#include <stdio.h>
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/*
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Copyright (c) 2021 Devine Lu Linvega
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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 signed char Sint8;
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typedef unsigned short Uint16;
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typedef signed short Sint16;
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typedef unsigned int Uint32;
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#define HOR 48
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#define VER 32
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#define PAD 2
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#define RES (HOR * VER * 16)
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#define WIDTH (8 * HOR + 8 * PAD * 2)
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#define HEIGHT (8 * VER + 8 * PAD * 2)
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typedef struct Ppu {
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Uint8 reqdraw, zoom, debugger, bg[RES], fg[RES];
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Uint16 x1, y1, x2, y2;
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Uint32 *output, colors[4];
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} Ppu;
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void
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clear(Ppu *p);
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void
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drawpixel(Ppu *p, Uint16 x, Uint16 y, Uint8 color);
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void
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drawchr(Ppu *p, Uint16 x, Uint16 y, Uint8 *sprite, Uint8 alpha);
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void
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drawicn(Ppu *p, Uint16 x, Uint16 y, Uint8 *sprite, Uint8 fg, Uint8 bg);
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void paintpixel(Uint8 *dst, Uint16 x, Uint16 y, Uint8 color);
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void loadtheme(Ppu *p, Uint8 *addr);
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