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PCM sound, refactored code940

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@27 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-02-04 17:15:31 +00:00
parent 7573607016
commit 4f265db776
28 changed files with 914 additions and 312 deletions
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17
platform/gp2x/code940/940.c
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@ -57,17 +57,18 @@ static void mp3_decode(void)
}
void Main940(int startvector)
void Main940(int startvector, int pc_at_irq)
{
ym2612_940 = &shared_data->ym2612;
mix_buffer = shared_data->mix_buffer;
// debug
shared_ctl->vstarts[startvector]++;
shared_ctl->last_irq_pc = pc_at_irq;
// asm volatile ("mcr p15, 0, r0, c7, c10, 4" ::: "r0");
for (;;)
// for (;;)
{
int job_num = 0;
/*
@ -77,13 +78,18 @@ void Main940(int startvector)
spend_cycles(8*1024);
}
*/
/*
if (!shared_ctl->busy)
{
wait_irq();
}
shared_ctl->lastbusy = shared_ctl->busy;
*/
for (job_num = 0; job_num < MAX_940JOBS; job_num++)
{
shared_ctl->lastjob = (job_num << 8) | shared_ctl->jobs[job_num];
switch (shared_ctl->jobs[job_num])
{
case JOB940_INITALL:
@ -122,7 +128,7 @@ void Main940(int startvector)
YM2612Write_(d >> 8, d);
}
YM2612UpdateOne_(0, shared_ctl->length, shared_ctl->stereo);
YM2612UpdateOne_(mix_buffer, shared_ctl->length, shared_ctl->stereo, 1);
break;
}
@ -138,7 +144,10 @@ void Main940(int startvector)
// cache_clean_flush();
shared_ctl->loopc++;
shared_ctl->busy = 0;
// // shared_ctl->busy = 0; // shared mem is not reliable?
wait_irq();
}
}