Mercurial > repos > blastem
view ppm.c @ 1798:5278b6e44fc1
Optionally emulate the offset around zero in the imperfect DAC of a discrete YM2612
author | Michael Pavone <pavone@retrodev.com> |
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date | Sun, 24 Mar 2019 19:59:41 -0700 |
parents | 5f65a16c23ff |
children |
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#include <stdint.h> #include <stdio.h> void save_ppm(FILE *f, uint32_t *buffer, uint32_t width, uint32_t height, uint32_t pitch) { fprintf(f, "P6\n%d %d\n255\n", width, height); for(uint32_t y = 0; y < height; y++) { uint32_t *line = buffer; for (uint32_t x = 0; x < width; x++, line++) { uint8_t buf[3] = { *line >> 16, //red *line >> 8, //green *line //blue }; fwrite(buf, 1, sizeof(buf), f); } buffer = buffer + pitch / sizeof(uint32_t); } }