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annotate ffstools/tiaud/decomp.c @ 611:c847d742ab38

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doc/Loadtools-performance: article started
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 24 Feb 2020 21:44:13 +0000
parents 568e2a2b49c8
children c458e33060bf
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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163
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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2 * This utility decompiles a binary /aud/*.cfg file read out of FFS
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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3 * into our ASCII text representation.
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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4 */
568e2a2b49c8 tiaud-decomp utility written
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5
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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6 #include <sys/types.h>
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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7 #include <sys/file.h>
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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8 #include <sys/stat.h>
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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9 #include <stdio.h>
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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10 #include <stdint.h>
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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11 #include <endian.h>
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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12 #include <stdlib.h>
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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13 #include <unistd.h>
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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14 #include "binstruct.h"
568e2a2b49c8 tiaud-decomp utility written
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15
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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16 struct audio_cfg_bin bin;
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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17 FILE *outf;
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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18
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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19 read_bin_file(filename)
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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20 char *filename;
568e2a2b49c8 tiaud-decomp utility written
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21 {
568e2a2b49c8 tiaud-decomp utility written
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22 int fd;
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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23 struct stat st;
568e2a2b49c8 tiaud-decomp utility written
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24
568e2a2b49c8 tiaud-decomp utility written
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25 fd = open(filename, O_RDONLY);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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26 if (fd < 0) {
568e2a2b49c8 tiaud-decomp utility written
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27 perror(filename);
568e2a2b49c8 tiaud-decomp utility written
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28 exit(1);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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29 }
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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30 fstat(fd, &st);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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31 if (!S_ISREG(st.st_mode)) {
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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32 fprintf(stderr, "%s is not a regular file\n", filename);
568e2a2b49c8 tiaud-decomp utility written
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33 exit(1);
568e2a2b49c8 tiaud-decomp utility written
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34 }
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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35 if (st.st_size != sizeof(struct audio_cfg_bin)) {
568e2a2b49c8 tiaud-decomp utility written
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36 fprintf(stderr, "%s has the wrong length\n", filename);
568e2a2b49c8 tiaud-decomp utility written
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37 exit(1);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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38 }
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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39 read(fd, &bin, sizeof bin);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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40 close(fd);
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Mychaela Falconia <falcon@freecalypso.org>
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41 }
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42
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43 emit_fir(table)
568e2a2b49c8 tiaud-decomp utility written
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44 uint16_t *table;
568e2a2b49c8 tiaud-decomp utility written
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45 {
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Mychaela Falconia <falcon@freecalypso.org>
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46 int i;
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Mychaela Falconia <falcon@freecalypso.org>
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47
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48 for (i = 0; i < 31; i++) {
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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49 if ((i % 8) == 0)
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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50 fprintf(outf, "\tfir %2d", i);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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51 fprintf(outf, " 0x%04X", le16toh(table[i]));
568e2a2b49c8 tiaud-decomp utility written
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52 if (i == 7 || i == 15 || i == 23 || i == 30)
568e2a2b49c8 tiaud-decomp utility written
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53 putc('\n', outf);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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54 }
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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55 }
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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56
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57 emit_ascii()
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58 {
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59 int i;
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60
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61 fprintf(outf, "voice-path %u\n", bin.voice_path);
568e2a2b49c8 tiaud-decomp utility written
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62
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63 switch (bin.mic_mode) {
568e2a2b49c8 tiaud-decomp utility written
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64 case AUDIO_MICROPHONE_HANDHELD:
568e2a2b49c8 tiaud-decomp utility written
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65 fprintf(outf, "mic default {\n");
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66 break;
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67 case AUDIO_MICROPHONE_HANDFREE:
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68 fprintf(outf, "mic aux {\n");
568e2a2b49c8 tiaud-decomp utility written
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69 break;
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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70 case AUDIO_MICROPHONE_HEADSET:
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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71 fprintf(outf, "mic headset {\n");
568e2a2b49c8 tiaud-decomp utility written
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72 break;
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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73 default:
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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74 fprintf(stderr, "error: unknown microphone mode 0x%02X\n",
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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75 bin.mic_mode);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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76 exit(1);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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77 }
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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78 fprintf(outf, "\tgain %d\n", bin.mic_bytes[0]);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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79 if (bin.mic_mode == AUDIO_MICROPHONE_HANDFREE) {
568e2a2b49c8 tiaud-decomp utility written
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80 fprintf(outf, "\textra-gain %d\n", bin.mic_bytes[1]);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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81 fprintf(outf, "\toutput-bias %d\n", bin.mic_bytes[2]);
568e2a2b49c8 tiaud-decomp utility written
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82 } else
568e2a2b49c8 tiaud-decomp utility written
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83 fprintf(outf, "\toutput-bias %d\n", bin.mic_bytes[1]);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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84 emit_fir(bin.mic_fir);
568e2a2b49c8 tiaud-decomp utility written
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85 fputs("}\n", outf);
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86
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87 switch (bin.speaker_mode) {
568e2a2b49c8 tiaud-decomp utility written
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88 case AUDIO_SPEAKER_HANDHELD:
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89 fprintf(outf, "speaker ear {\n");
568e2a2b49c8 tiaud-decomp utility written
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90 break;
568e2a2b49c8 tiaud-decomp utility written
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91 case AUDIO_SPEAKER_HANDFREE:
568e2a2b49c8 tiaud-decomp utility written
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92 fprintf(outf, "speaker aux {\n");
568e2a2b49c8 tiaud-decomp utility written
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93 break;
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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94 case AUDIO_SPEAKER_HEADSET:
568e2a2b49c8 tiaud-decomp utility written
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95 fprintf(outf, "speaker headset {\n");
568e2a2b49c8 tiaud-decomp utility written
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96 break;
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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97 case AUDIO_SPEAKER_BUZZER:
568e2a2b49c8 tiaud-decomp utility written
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98 fprintf(outf, "speaker buzzer {\n");
568e2a2b49c8 tiaud-decomp utility written
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99 break;
568e2a2b49c8 tiaud-decomp utility written
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100 case AUDIO_SPEAKER_HANDHELD_HANDFREE:
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101 fprintf(outf, "speaker ear+aux {\n");
568e2a2b49c8 tiaud-decomp utility written
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102 break;
568e2a2b49c8 tiaud-decomp utility written
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103 default:
568e2a2b49c8 tiaud-decomp utility written
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104 fprintf(stderr, "error: unknown speaker mode 0x%02X\n",
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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105 bin.speaker_mode);
568e2a2b49c8 tiaud-decomp utility written
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106 exit(1);
568e2a2b49c8 tiaud-decomp utility written
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107 }
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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108 if (bin.speaker_mode != AUDIO_SPEAKER_BUZZER) {
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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109 fprintf(outf, "\tgain %d\n", bin.speaker_bytes[0]);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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110 fprintf(outf, "\taudio-filter %d\n", bin.speaker_bytes[1]);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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111 emit_fir(bin.speaker_fir);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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112 } else
568e2a2b49c8 tiaud-decomp utility written
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113 fprintf(outf, "\tactivate %d\n", bin.speaker_bytes[0]);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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114 fputs("}\n", outf);
568e2a2b49c8 tiaud-decomp utility written
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115
568e2a2b49c8 tiaud-decomp utility written
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116 fprintf(outf, "sidetone %d\n", bin.sidetone_gain);
568e2a2b49c8 tiaud-decomp utility written
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117 fputs("aec", outf);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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118 for (i = 0; i < 5; i++) {
568e2a2b49c8 tiaud-decomp utility written
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119 putc(' ', outf);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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120 if (bin.aec_words[i])
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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121 fprintf(outf, "0x%X", le16toh(bin.aec_words[i]));
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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122 else
568e2a2b49c8 tiaud-decomp utility written
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123 putc('0', outf);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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124 }
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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125 putc('\n', outf);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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126 }
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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127
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128 main(argc, argv)
568e2a2b49c8 tiaud-decomp utility written
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129 char **argv;
568e2a2b49c8 tiaud-decomp utility written
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130 {
568e2a2b49c8 tiaud-decomp utility written
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131 if (argc < 2 || argc > 3) {
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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132 fprintf(stderr, "usage: %s infile [outfile]\n", argv[0]);
568e2a2b49c8 tiaud-decomp utility written
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133 exit(1);
568e2a2b49c8 tiaud-decomp utility written
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134 }
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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135 read_bin_file(argv[1]);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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136 if (argc > 2) {
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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137 outf = fopen(argv[2], "w");
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 if (!outf) {
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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139 perror(argv[2]);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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140 exit(1);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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141 }
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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142 } else
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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143 outf = stdout;
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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144 emit_ascii();
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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145 exit(0);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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146 }