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Sonic CD runs on GP2X

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@21 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-01-19 22:08:50 +00:00
parent d1df87866b
commit b837b69b3f
20 changed files with 364 additions and 184 deletions
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23
platform/gp2x/940ctl_ym2612.c
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@ -250,9 +250,10 @@ static void wait_busy_940(void)
}
static void add_job_940(int job)
static void add_job_940(int job0, int job1)
{
shared_ctl->job = job;
shared_ctl->jobs[0] = job0;
shared_ctl->jobs[1] = job1;
shared_ctl->busy = 1;
gp2x_memregs[0x3B3E>>1] = 0xffff; // cause an IRQ for 940
}
@ -276,7 +277,7 @@ void YM2612PicoStateLoad_940(void)
addr_A1 = old_A1;
add_job_940(JOB940_PICOSTATELOAD);
add_job_940(JOB940_PICOSTATELOAD, 0);
}
@ -299,10 +300,9 @@ extern char **g_argv;
void YM2612Init_940(int baseclock, int rate)
{
printf("YM2612Init_940()\n");
//printf("sizeof(*shared_data): %i (%x)\n", sizeof(*shared_data), sizeof(*shared_data));
//printf("sizeof(*shared_ctl): %i (%x)\n", sizeof(*shared_ctl), sizeof(*shared_ctl));
printf("Mem usage: shared_data: %i, shared_ctl: %i\n", sizeof(*shared_data), sizeof(*shared_ctl));
Reset940(1);
Reset940(1, 2);
Pause940(1);
gp2x_memregs[0x3B46>>1] = 0xffff; // clear pending DUALCPU interrupts for 940
@ -312,7 +312,7 @@ void YM2612Init_940(int baseclock, int rate)
if (shared_mem == NULL)
{
shared_mem = (unsigned char *) mmap(0, 0x210000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0x3000000);
shared_mem = (unsigned char *) mmap(0, 0x210000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0x2000000);
if(shared_mem == MAP_FAILED)
{
printf("mmap(shared_data) failed with %i\n", errno);
@ -373,11 +373,12 @@ void YM2612Init_940(int baseclock, int rate)
/* now cause 940 to init it's ym2612 stuff */
shared_ctl->baseclock = baseclock;
shared_ctl->rate = rate;
shared_ctl->job = JOB940_YM2612INIT;
shared_ctl->jobs[0] = JOB940_YM2612INIT;
shared_ctl->jobs[1] = 0;
shared_ctl->busy = 1;
/* start the 940 */
Reset940(0);
Reset940(0, 2);
Pause940(0);
// YM2612ResetChip_940(); // will be done on JOB940_YM2612INIT
@ -396,7 +397,7 @@ void YM2612ResetChip_940(void)
internal_reset();
add_job_940(JOB940_YM2612RESETCHIP);
add_job_940(JOB940_YM2612RESETCHIP, 0);
}
@ -444,7 +445,7 @@ void YM2612UpdateOne_940(short *buffer, int length, int stereo)
shared_ctl->writebuffsel ^= 1;
shared_ctl->length = length;
shared_ctl->stereo = stereo;
add_job_940(JOB940_YM2612UPDATEONE);
add_job_940(JOB940_YM2612UPDATEONE, 0);
//spend_cycles(512);
//printf("SRCPND: %08lx, INTMODE: %08lx, INTMASK: %08lx, INTPEND: %08lx\n",
// gp2x_memregl[0x4500>>2], gp2x_memregl[0x4504>>2], gp2x_memregl[0x4508>>2], gp2x_memregl[0x4510>>2]);