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rename 940ctl_ym2612 to 940ctl

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@32 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-02-08 22:08:06 +00:00
parent edbb82f88e
commit 52d3dd5fe1
2 changed files with 26 additions and 21 deletions
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45
gp2x/940ctl_ym2612.c
View file

@ -309,6 +309,30 @@ static void internal_reset(void)
}
/* this must be called after mmu hack, the allocated regions must not get cached */
void sharedmem_init(void)
{
if (shared_mem != NULL) return;
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);
exit(1);
}
shared_data = (_940_data_t *) (shared_mem+0x100000);
/* this area must not get buffered on either side */
shared_ctl = (_940_ctl_t *) (shared_mem+0x200000);
mp3_mem = (unsigned char *) mmap(0, MP3_SIZE_MAX, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0x3000000);
if (mp3_mem == MAP_FAILED)
{
printf("mmap(mp3_mem) failed with %i\n", errno);
exit(1);
}
crashed_940 = 1;
}
extern char **g_argv;
/* none of the functions in this file should be called before this one */
@ -327,27 +351,6 @@ void YM2612Init_940(int baseclock, int rate)
gp2x_memregl[0x4508>>2] = ~(1<<26); // unmask DUALCPU ints in the undocumented 940's interrupt controller
if (shared_mem == NULL)
{
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);
exit(1);
}
shared_data = (_940_data_t *) (shared_mem+0x100000);
/* this area must not get buffered on either side */
shared_ctl = (_940_ctl_t *) (shared_mem+0x200000);
mp3_mem = (unsigned char *) mmap(0, MP3_SIZE_MAX, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0x3000000);
if (mp3_mem == MAP_FAILED)
{
printf("mmap(mp3_mem) failed with %i\n", errno);
exit(1);
}
crashed_940 = 1;
}
if (crashed_940)
{
unsigned char ucData[1024];

2
gp2x/940ctl_ym2612.h
View file

@ -1,3 +1,5 @@
void sharedmem_init(void);
void YM2612Init_940(int baseclock, int rate);
void YM2612ResetChip_940(void);
int YM2612UpdateOne_940(int *buffer, int length, int stereo, int is_buf_empty);