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cd: rewrite pcm

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This commit is contained in:
notaz 2013-09-19 03:51:30 +03:00
parent d0132772f7
commit 33be04ca5f
7 changed files with 171 additions and 160 deletions
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13
pico/pico_int.h
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@ -378,13 +378,15 @@ struct PicoSRAM
#include "cd/LC89510.h"
#include "cd/gfx_cd.h"
#define PCM_MIXBUF_LEN ((12500000 / 384) / 50 + 1)
struct mcd_pcm
{
unsigned char control; // reg7
unsigned char enabled; // reg8
unsigned char cur_ch;
unsigned char bank;
int pad1;
unsigned int update_cycles;
struct pcm_chan // 08, size 0x10
{
@ -445,6 +447,9 @@ typedef struct
CDC cdc;
_scd scd;
Rot_Comp rot_comp;
int pcm_mixbuf[PCM_MIXBUF_LEN * 2];
int pcm_mixpos;
int pcm_mixbuf_dirty;
} mcd_state;
// XXX: this will need to be reworked for cart+cd support.
@ -656,6 +661,12 @@ void pcd_run_cpus(int m68k_cycles);
void pcd_soft_reset(void);
void pcd_state_loaded(void);
// cd/pcm.c
void pcd_pcm_sync(unsigned int to);
void pcd_pcm_update(int *buffer, int length, int stereo);
void pcd_pcm_write(unsigned int a, unsigned int d);
unsigned int pcd_pcm_read(unsigned int a);
// pico/pico.c
PICO_INTERNAL void PicoInitPico(void);
PICO_INTERNAL void PicoReratePico(void);