FreeCalypso > hg > freecalypso-tools

annotate target-utils/buzplayer/melentry.c @ 495:06ad5e30e8d0

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target-utils: wait_ARM_cycles() changed to 4 cycles per loop
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 25 May 2019 18:51:19 +0000
parents eb5960dc258c
children 9092ff68e37d
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eb5960dc258c buzplayer: melody entry implemented
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1 #include <sys/types.h>
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2 #include <ctype.h>
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3 #include <stdlib.h>
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4 #include "types.h"
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5 #include "melody.h"
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6
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7 extern struct melentry *melody_buf_start, *melody_buf_tailptr;
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8
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9 void
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10 melody_init()
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11 {
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12 melody_buf_tailptr = melody_buf_start;
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13 }
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14
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15 void
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16 melody_entry(argbulk)
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17 char *argbulk;
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18 {
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19 char *argv[3];
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20 u32 tone, dur;
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21
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22 if (parse_args(argbulk, 2, 2, argv, 0) < 0)
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23 return;
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24 tone = strtoul(argv[0], 0, 0);
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25 dur = strtoul(argv[1], 0, 0);
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26 if (tone > 255 || dur < 1 || dur > 0xFFFF) {
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27 printf("ERROR: argument(s) out of range\n");
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28 return;
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29 }
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30 melody_buf_tailptr->tone = tone;
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31 melody_buf_tailptr->dur = dur;
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32 melody_buf_tailptr++;
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33 }