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#include <stdint.h>
static uint32_t color;
void draw(uint32_t *buf, uint32_t xres, uint32_t yres) {
for (uint32_t i = 0; i < xres * yres; ++i) {
buf[i] = color;
}
}
void input(char c) {
color = color << 4 | (c & 0xF);
}
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