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annotate ppm.c @ 2005:3ce38692a3f2

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Set initial pan bits in YM2612 register array and not just the separate lr field of the channel. This fixes an issue in which some channels would be silent in VGM log output
author Michael Pavone <pavone@retrodev.com>
date Sun, 11 Oct 2020 22:42:10 -0700
parents 5f65a16c23ff
children da2e06c42d16
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1263
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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1 #include <stdint.h>
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2 #include <stdio.h>
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3
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4 void save_ppm(FILE *f, uint32_t *buffer, uint32_t width, uint32_t height, uint32_t pitch)
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5 {
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6 fprintf(f, "P6\n%d %d\n255\n", width, height);
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7 for(uint32_t y = 0; y < height; y++)
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8 {
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9 uint32_t *line = buffer;
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10 for (uint32_t x = 0; x < width; x++, line++)
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11 {
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12 uint8_t buf[3] = {
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13 *line >> 16, //red
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14 *line >> 8, //green
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15 *line //blue
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16 };
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17 fwrite(buf, 1, sizeof(buf), f);
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18 }
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19 buffer = buffer + pitch / sizeof(uint32_t);
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20 }
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21 }