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optimizations, fixes, hacks, psp, ...

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@295 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-11-15 23:01:20 +00:00
parent 8022f53da6
commit b542be4686
37 changed files with 928 additions and 548 deletions
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36
Pico/sound/ym2612.h
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@ -76,15 +76,16 @@ typedef struct
{
int clock; /* master clock (Hz) */
int rate; /* sampling rate (Hz) */
double freqbase; /* frequency base */
UINT8 address; /* address register */
UINT8 status; /* status flag */
double freqbase; /* 08 frequency base */
UINT8 address; /* 10 address register */
UINT8 status; /* 11 status flag */
UINT8 mode; /* mode CSM / 3SLOT */
UINT8 fn_h; /* freq latch */
int TA; /* timer a */
int TAC; /* timer a maxval */
int TAT; /* timer a ticker */
UINT8 TB; /* timer b */
UINT8 pad[3];
int TBC; /* timer b maxval */
int TBT; /* timer b ticker */
/* local time tables */
@ -135,9 +136,32 @@ typedef struct
INT32 dacout;
FM_OPN OPN; /* OPN state */
UINT32 slot_mask; /* active slot mask (performance hack) */
} YM2612;
#endif
extern int *ym2612_dacen;
extern INT32 *ym2612_dacout;
extern FM_ST *ym2612_st;
#define YM2612Read() ym2612_st->status
#define YM2612PicoTick(n) \
{ \
/* timer A */ \
if(ym2612_st->mode & 0x01 && (ym2612_st->TAT+=64*n) >= ym2612_st->TAC) { \
ym2612_st->TAT -= ym2612_st->TAC; \
if(ym2612_st->mode & 0x04) ym2612_st->status |= 1; \
} \
\
/* timer B */ \
if(ym2612_st->mode & 0x02 && (ym2612_st->TBT+=64*n) >= ym2612_st->TBC) { \
ym2612_st->TBT -= ym2612_st->TBC; \
if(ym2612_st->mode & 0x08) ym2612_st->status |= 2; \
} \
}
void YM2612Init_(int baseclock, int rate);
@ -157,8 +181,6 @@ void *YM2612GetRegs(void);
#define YM2612ResetChip YM2612ResetChip_
#define YM2612UpdateOne YM2612UpdateOne_
#define YM2612Write YM2612Write_
#define YM2612Read YM2612Read_
#define YM2612PicoTick YM2612PicoTick_
#define YM2612PicoStateLoad YM2612PicoStateLoad_
#else
/* GP2X specific */
@ -177,10 +199,6 @@ extern int PicoOpt;
YM2612UpdateOne_(buffer, length, stereo, is_buf_empty);
#define YM2612Write(a,v) \
(PicoOpt&0x200) ? YM2612Write_940(a, v) : YM2612Write_(a, v)
#define YM2612Read() \
(PicoOpt&0x200) ? YM2612Read_940() : YM2612Read_()
#define YM2612PicoTick(n) \
(PicoOpt&0x200) ? YM2612PicoTick_940(n) : YM2612PicoTick_(n)
#define YM2612PicoStateLoad() { \
if (PicoOpt&0x200) YM2612PicoStateLoad_940(); \
else YM2612PicoStateLoad_(); \