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ym2612 full saves wip

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@479 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2008-06-01 22:35:08 +00:00
parent e5fa981777
commit d2721b08bb
6 changed files with 199 additions and 55 deletions
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48
Pico/sound/ym2612.h
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@ -22,15 +22,15 @@ typedef signed int INT32; /* signed 32bit */
typedef struct
{
INT32 *DT; /* #0x00 detune :dt_tab[DT] */
UINT8 ar; /* #0x04 attack rate */
UINT8 ar; /* #0x04 attack rate */
UINT8 d1r; /* #0x05 decay rate */
UINT8 d2r; /* #0x06 sustain rate */
UINT8 rr; /* #0x07 release rate */
UINT8 rr; /* #0x07 release rate */
UINT32 mul; /* #0x08 multiple :ML_TABLE[ML] */
/* Phase Generator */
UINT32 phase; /* #0x0c phase counter */
UINT32 Incr; /* #0x10 phase step */
UINT32 phase; /* #0x0c phase counter | need_save */
UINT32 Incr; /* #0x10 phase step | need_save */
UINT8 KSR; /* #0x14 key scale rate :3-KSR */
UINT8 ksr; /* #0x15 key scale rate :kcode>>(3-KSR) */
@ -38,15 +38,15 @@ typedef struct
UINT8 key; /* #0x16 0=last key was KEY OFF, 1=KEY ON */
/* Envelope Generator */
UINT8 state; /* #0x17 phase type: EG_OFF=0, EG_REL, EG_SUS, EG_DEC, EG_ATT */
UINT16 tl; /* #0x18 total level: TL << 3 */
INT16 volume; /* #0x1a envelope counter */
UINT32 sl; /* #0x1c sustain level:sl_table[SL] */
UINT8 state; /* #0x17 phase type: EG_OFF=0, EG_REL, EG_SUS, EG_DEC, EG_ATT | need_save */
UINT16 tl; /* #0x18 total level: TL << 3 */
INT16 volume; /* #0x1a envelope counter | need_save */
UINT32 sl; /* #0x1c sustain level:sl_table[SL] */
UINT32 eg_pack_ar; /* #0x20 (attack state) */
UINT32 eg_pack_ar; /* #0x20 (attack state) */
UINT32 eg_pack_d1r; /* #0x24 (decay state) */
UINT32 eg_pack_d2r; /* #0x28 (sustain state) */
UINT32 eg_pack_rr; /* #0x2c (release state) */
UINT32 eg_pack_rr; /* #0x2c (release state) */
} FM_SLOT;
@ -55,7 +55,7 @@ typedef struct
FM_SLOT SLOT[4]; /* four SLOTs (operators) */
UINT8 ALGO; /* algorithm */
UINT8 FB; /* feedback shift */
UINT8 FB; /* feedback shift */
INT32 op1_out; /* op1 output for feedback */
INT32 mem_value; /* delayed sample (MEM) value */
@ -64,7 +64,7 @@ typedef struct
UINT8 ams; /* channel AMS */
UINT8 kcode; /* key code: */
UINT32 fc; /* fnum,blk:adjusted to sample rate */
UINT32 fc; /* fnum,blk:adjusted to sample rate */
UINT32 block_fnum; /* current blk/fnum value for this slot (can be different betweeen slots of one channel in 3slot mode) */
/* LFO */
@ -77,17 +77,17 @@ typedef struct
int clock; /* master clock (Hz) */
int rate; /* sampling rate (Hz) */
double freqbase; /* 08 frequency base */
UINT8 address; /* 10 address register */
UINT8 status; /* 11 status flag */
UINT8 address; /* 10 address register | need_save */
UINT8 status; /* 11 status flag | need_save */
UINT8 mode; /* mode CSM / 3SLOT */
UINT8 fn_h; /* freq latch */
int TA; /* timer a */
int TAC; /* timer a maxval */
int TAT; /* timer a ticker */
int TAT; /* timer a ticker | need_save */
UINT8 TB; /* timer b */
UINT8 pad[3];
int TBC; /* timer b maxval */
int TBT; /* timer b ticker */
int TBT; /* timer b ticker | need_save */
/* local time tables */
INT32 dt_tab[8][32];/* DeTune table */
} FM_ST;
@ -112,12 +112,12 @@ typedef struct
FM_3SLOT SL3; /* 3 slot mode state */
UINT32 pan; /* fm channels output mask (bit 1 = enable) */
UINT32 eg_cnt; /* #0xb38 global envelope generator counter */
UINT32 eg_timer; /* #0xb3c global envelope generator counter works at frequency = chipclock/64/3 */
UINT32 eg_timer_add; /* #0xb40 step of eg_timer */
UINT32 eg_cnt; /* #0xb38 global envelope generator counter | need_save */
UINT32 eg_timer; /* #0xb3c global envelope generator counter works at frequency = chipclock/64/3 | need_save */
UINT32 eg_timer_add; /* #0xb40 step of eg_timer */
/* LFO */
UINT32 lfo_cnt;
UINT32 lfo_cnt; /* need_save */
UINT32 lfo_inc;
UINT32 lfo_freq[8]; /* LFO FREQ table */
@ -126,13 +126,13 @@ typedef struct
/* here's the virtual YM2612 */
typedef struct
{
UINT8 REGS[0x200]; /* registers (for save states) */
INT32 addr_A1; /* address line A1 */
UINT8 REGS[0x200]; /* registers (for save states) */
INT32 addr_A1; /* address line A1 | need_save */
FM_CH CH[6]; /* channel state (0x168 bytes each)? */
/* dac output (YM2612) */
int dacen;
int dacen;
INT32 dacout;
FM_OPN OPN; /* OPN state */
@ -156,6 +156,8 @@ int YM2612PicoTick_(int n);
void YM2612PicoStateLoad_(void);
void *YM2612GetRegs(void);
void YM2612PicoStateSave2(int tat, int tbt);
int YM2612PicoStateLoad2(int *tat, int *tbt);
#ifndef __GP2X__
#define YM2612Init YM2612Init_