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https://github.com/isometimes/rpi4-osdev
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37 lines
661 B
C
37 lines
661 B
C
#include "wgt.h"
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block abuf; /* pointer to the active screen */
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unsigned int currentcolor;
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short tx = 0,ty = 0,bx = 1919,by = 1079; /* clipping variables */
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wgt_sys WGT_SYS;
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// ######## HELPER FUNCTIONS ########
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void *memset(void *dest, int val, unsigned len)
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{
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unsigned int *ptr = dest;
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while (len-- > 0)
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*ptr++ = val;
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return dest;
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}
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int abs(int i)
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{
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return i < 0 ? -i : i;
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}
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int strlen(const char *str)
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{
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const char *s;
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for (s = str; *s; ++s);
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return (s - str);
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}
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// ######## WGT FUNCTIONS ########
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void wcls (unsigned int col)
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{
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memset (abuf, col, WGT_SYS.xres * WGT_SYS.yres);
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}
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