* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
-#define HAS_YM3812 1
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdarg.h>
+#include "qemu/osdep.h"
#include <math.h>
//#include "driver.h" /* use M.A.M.E. */
#include "fmopl.h"
-
#ifndef PI
#define PI 3.14159265358979323846
#endif
-#ifndef ARRAY_SIZE
-#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-#endif
-
/* -------------------- for debug --------------------- */
/* #define OPL_OUTPUT_LOG */
#ifdef OPL_OUTPUT_LOG
/* key scale level */
/* table is 3dB/OCT , DV converts this in TL step at 6dB/OCT */
#define DV (EG_STEP/2)
-static const UINT32 KSL_TABLE[8*16]=
+static const uint32_t KSL_TABLE[8*16]=
{
/* OCT 0 */
0.000/DV, 0.000/DV, 0.000/DV, 0.000/DV,
/* sustain lebel table (3db per step) */
/* 0 - 15: 0, 3, 6, 9,12,15,18,21,24,27,30,33,36,39,42,93 (dB)*/
#define SC(db) (db*((3/EG_STEP)*(1<<ENV_BITS)))+EG_DST
-static const INT32 SL_TABLE[16]={
+static const int32_t SL_TABLE[16]={
SC( 0),SC( 1),SC( 2),SC(3 ),SC(4 ),SC(5 ),SC(6 ),SC( 7),
SC( 8),SC( 9),SC(10),SC(11),SC(12),SC(13),SC(14),SC(31)
};
/* TotalLevel : 48 24 12 6 3 1.5 0.75 (dB) */
/* TL_TABLE[ 0 to TL_MAX ] : plus section */
/* TL_TABLE[ TL_MAX to TL_MAX+TL_MAX-1 ] : minus section */
-static INT32 *TL_TABLE;
+static int32_t *TL_TABLE;
/* pointers to TL_TABLE with sinwave output offset */
-static INT32 **SIN_TABLE;
+static int32_t **SIN_TABLE;
/* LFO table */
-static INT32 *AMS_TABLE;
-static INT32 *VIB_TABLE;
+static int32_t *AMS_TABLE;
+static int32_t *VIB_TABLE;
/* envelope output curve table */
/* attack + decay + OFF */
-static INT32 ENV_CURVE[2*EG_ENT+1];
+static int32_t ENV_CURVE[2*EG_ENT+1];
/* multiple table */
#define ML 2
-static const UINT32 MUL_TABLE[16]= {
+static const uint32_t MUL_TABLE[16]= {
/* 1/2, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15 */
0.50*ML, 1.00*ML, 2.00*ML, 3.00*ML, 4.00*ML, 5.00*ML, 6.00*ML, 7.00*ML,
8.00*ML, 9.00*ML,10.00*ML,10.00*ML,12.00*ML,12.00*ML,15.00*ML,15.00*ML
#undef ML
/* dummy attack / decay rate ( when rate == 0 ) */
-static INT32 RATE_0[16]=
+static int32_t RATE_0[16]=
{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
/* -------------------- static state --------------------- */
static OPL_CH *E_CH;
static OPL_SLOT *SLOT7_1, *SLOT7_2, *SLOT8_1, *SLOT8_2;
-static INT32 outd[1];
-static INT32 ams;
-static INT32 vib;
-static INT32 *ams_table;
-static INT32 *vib_table;
-static INT32 amsIncr;
-static INT32 vibIncr;
-static INT32 feedback2; /* connect for SLOT 2 */
+static int32_t outd[1];
+static int32_t ams;
+static int32_t vib;
+static int32_t *ams_table;
+static int32_t *vib_table;
+static int32_t amsIncr;
+static int32_t vibIncr;
+static int32_t feedback2; /* connect for SLOT 2 */
/* log output level */
#define LOG_ERR 3 /* ERROR */
if(OPL->status & OPL->statusmask)
{ /* IRQ on */
OPL->status |= 0x80;
- /* callback user interrupt handler (IRQ is OFF to ON) */
- if(OPL->IRQHandler) (OPL->IRQHandler)(OPL->IRQParam,1);
}
}
}
if (!(OPL->status & OPL->statusmask) )
{
OPL->status &= 0x7f;
- /* callback user interrupt handler (IRQ is ON to OFF) */
- if(OPL->IRQHandler) (OPL->IRQHandler)(OPL->IRQParam,0);
}
}
}
/* ---------- calcrate Envelope Generator & Phase Generator ---------- */
/* return : envelope output */
-static inline UINT32 OPL_CALC_SLOT( OPL_SLOT *SLOT )
+static inline uint32_t OPL_CALC_SLOT( OPL_SLOT *SLOT )
{
/* calcrate envelope generator */
if( (SLOT->evc+=SLOT->evs) >= SLOT->eve )
/* set algorithm connection */
static void set_algorithm( OPL_CH *CH)
{
- INT32 *carrier = &outd[0];
+ int32_t *carrier = &outd[0];
CH->connect1 = CH->CON ? carrier : &feedback2;
CH->connect2 = carrier;
}
/* ---------- calcrate one of channel ---------- */
static inline void OPL_CALC_CH( OPL_CH *CH )
{
- UINT32 env_out;
+ uint32_t env_out;
OPL_SLOT *SLOT;
feedback2 = 0;
#define WHITE_NOISE_db 6.0
static inline void OPL_CALC_RH( OPL_CH *CH )
{
- UINT32 env_tam,env_sd,env_top,env_hh;
+ uint32_t env_tam,env_sd,env_top,env_hh;
int whitenoise = (rand()&1)*(WHITE_NOISE_db/EG_STEP);
- INT32 tone8;
+ int32_t tone8;
OPL_SLOT *SLOT;
int env_out;
double pom;
/* allocate dynamic tables */
- if( (TL_TABLE = malloc(TL_MAX*2*sizeof(INT32))) == NULL)
+ if( (TL_TABLE = malloc(TL_MAX*2*sizeof(int32_t))) == NULL)
return 0;
- if( (SIN_TABLE = malloc(SIN_ENT*4 *sizeof(INT32 *))) == NULL)
+ if( (SIN_TABLE = malloc(SIN_ENT*4 *sizeof(int32_t *))) == NULL)
{
free(TL_TABLE);
return 0;
}
- if( (AMS_TABLE = malloc(AMS_ENT*2 *sizeof(INT32))) == NULL)
+ if( (AMS_TABLE = malloc(AMS_ENT*2 *sizeof(int32_t))) == NULL)
{
free(TL_TABLE);
free(SIN_TABLE);
return 0;
}
- if( (VIB_TABLE = malloc(VIB_ENT*2 *sizeof(INT32))) == NULL)
+ if( (VIB_TABLE = malloc(VIB_ENT*2 *sizeof(int32_t))) == NULL)
{
free(TL_TABLE);
free(SIN_TABLE);
{
case 0x01:
/* wave selector enable */
- if(OPL->type&OPL_TYPE_WAVESEL)
+ OPL->wavesel = v&0x20;
+ if(!OPL->wavesel)
{
- OPL->wavesel = v&0x20;
- if(!OPL->wavesel)
+ /* preset compatible mode */
+ int c;
+ for(c=0;c<OPL->max_ch;c++)
{
- /* preset compatible mode */
- int c;
- for(c=0;c<OPL->max_ch;c++)
- {
- OPL->P_CH[c].SLOT[SLOT1].wavetable = &SIN_TABLE[0];
- OPL->P_CH[c].SLOT[SLOT2].wavetable = &SIN_TABLE[0];
- }
+ OPL->P_CH[c].SLOT[SLOT1].wavetable = &SIN_TABLE[0];
+ OPL->P_CH[c].SLOT[SLOT2].wavetable = &SIN_TABLE[0];
}
}
return;
}
else
{ /* set IRQ mask ,timer enable*/
- UINT8 st1 = v&1;
- UINT8 st2 = (v>>1)&1;
+ uint8_t st1 = v&1;
+ uint8_t st2 = (v>>1)&1;
/* IRQRST,T1MSK,t2MSK,EOSMSK,BRMSK,x,ST2,ST1 */
OPL_STATUS_RESET(OPL,v&0x78);
OPL_STATUSMASK_SET(OPL,((~v)&0x78)|0x01);
{
double interval = st2 ? (double)OPL->T[1]*OPL->TimerBase : 0.0;
OPL->st[1] = st2;
- if (OPL->TimerHandler) (OPL->TimerHandler)(OPL->TimerParam+1,interval);
+ if (OPL->TimerHandler) {
+ (OPL->TimerHandler)(OPL->TimerParam, 1, interval);
+ }
}
/* timer 1 */
if(OPL->st[0] != st1)
{
double interval = st1 ? (double)OPL->T[0]*OPL->TimerBase : 0.0;
OPL->st[0] = st1;
- if (OPL->TimerHandler) (OPL->TimerHandler)(OPL->TimerParam+0,interval);
+ if (OPL->TimerHandler) {
+ (OPL->TimerHandler)(OPL->TimerParam, 0, interval);
+ }
}
}
return;
-#if BUILD_Y8950
- case 0x06: /* Key Board OUT */
- if(OPL->type&OPL_TYPE_KEYBOARD)
- {
- if(OPL->keyboardhandler_w)
- OPL->keyboardhandler_w(OPL->keyboard_param,v);
- else
- LOG(LOG_WAR,("OPL:write unmapped KEYBOARD port\n"));
- }
- return;
- case 0x07: /* DELTA-T control : START,REC,MEMDATA,REPT,SPOFF,x,x,RST */
- if(OPL->type&OPL_TYPE_ADPCM)
- YM_DELTAT_ADPCM_Write(OPL->deltat,r-0x07,v);
- return;
- case 0x08: /* MODE,DELTA-T : CSM,NOTESEL,x,x,smpl,da/ad,64k,rom */
- OPL->mode = v;
- v&=0x1f; /* for DELTA-T unit */
- case 0x09: /* START ADD */
- case 0x0a:
- case 0x0b: /* STOP ADD */
- case 0x0c:
- case 0x0d: /* PRESCALE */
- case 0x0e:
- case 0x0f: /* ADPCM data */
- case 0x10: /* DELTA-N */
- case 0x11: /* DELTA-N */
- case 0x12: /* EG-CTRL */
- if(OPL->type&OPL_TYPE_ADPCM)
- YM_DELTAT_ADPCM_Write(OPL->deltat,r-0x07,v);
- return;
-#if 0
- case 0x15: /* DAC data */
- case 0x16:
- case 0x17: /* SHIFT */
- return;
- case 0x18: /* I/O CTRL (Direction) */
- if(OPL->type&OPL_TYPE_IO)
- OPL->portDirection = v&0x0f;
- return;
- case 0x19: /* I/O DATA */
- if(OPL->type&OPL_TYPE_IO)
- {
- OPL->portLatch = v;
- if(OPL->porthandler_w)
- OPL->porthandler_w(OPL->port_param,v&OPL->portDirection);
- }
- return;
- case 0x1a: /* PCM data */
- return;
-#endif
-#endif
}
break;
case 0x20: /* am,vib,ksr,eg type,mul */
case 0xbd:
/* amsep,vibdep,r,bd,sd,tom,tc,hh */
{
- UINT8 rkey = OPL->rhythm^v;
+ uint8_t rkey = OPL->rhythm^v;
OPL->ams_table = &AMS_TABLE[v&0x80 ? AMS_ENT : 0];
OPL->vib_table = &VIB_TABLE[v&0x40 ? VIB_ENT : 0];
OPL->rhythm = v&0x3f;
OPLCloseTable();
}
-#if (BUILD_YM3812 || BUILD_YM3526)
/*******************************************************************************/
/* YM3812 local section */
/*******************************************************************************/
/* ---------- update one of chip ----------- */
-void YM3812UpdateOne(FM_OPL *OPL, INT16 *buffer, int length)
+void YM3812UpdateOne(FM_OPL *OPL, int16_t *buffer, int length)
{
int i;
int data;
- OPLSAMPLE *buf = buffer;
- UINT32 amsCnt = OPL->amsCnt;
- UINT32 vibCnt = OPL->vibCnt;
- UINT8 rhythm = OPL->rhythm&0x20;
+ int16_t *buf = buffer;
+ uint32_t amsCnt = OPL->amsCnt;
+ uint32_t vibCnt = OPL->vibCnt;
+ uint8_t rhythm = OPL->rhythm&0x20;
OPL_CH *CH,*R_CH;
if( (void *)OPL != cur_chip ){
}
#endif
}
-#endif /* (BUILD_YM3812 || BUILD_YM3526) */
-
-#if BUILD_Y8950
-
-void Y8950UpdateOne(FM_OPL *OPL, INT16 *buffer, int length)
-{
- int i;
- int data;
- OPLSAMPLE *buf = buffer;
- UINT32 amsCnt = OPL->amsCnt;
- UINT32 vibCnt = OPL->vibCnt;
- UINT8 rhythm = OPL->rhythm&0x20;
- OPL_CH *CH,*R_CH;
- YM_DELTAT *DELTAT = OPL->deltat;
-
- /* setup DELTA-T unit */
- YM_DELTAT_DECODE_PRESET(DELTAT);
-
- if( (void *)OPL != cur_chip ){
- cur_chip = (void *)OPL;
- /* channel pointers */
- S_CH = OPL->P_CH;
- E_CH = &S_CH[9];
- /* rhythm slot */
- SLOT7_1 = &S_CH[7].SLOT[SLOT1];
- SLOT7_2 = &S_CH[7].SLOT[SLOT2];
- SLOT8_1 = &S_CH[8].SLOT[SLOT1];
- SLOT8_2 = &S_CH[8].SLOT[SLOT2];
- /* LFO state */
- amsIncr = OPL->amsIncr;
- vibIncr = OPL->vibIncr;
- ams_table = OPL->ams_table;
- vib_table = OPL->vib_table;
- }
- R_CH = rhythm ? &S_CH[6] : E_CH;
- for( i=0; i < length ; i++ )
- {
- /* channel A channel B channel C */
- /* LFO */
- ams = ams_table[(amsCnt+=amsIncr)>>AMS_SHIFT];
- vib = vib_table[(vibCnt+=vibIncr)>>VIB_SHIFT];
- outd[0] = 0;
- /* deltaT ADPCM */
- if( DELTAT->portstate )
- YM_DELTAT_ADPCM_CALC(DELTAT);
- /* FM part */
- for(CH=S_CH ; CH < R_CH ; CH++)
- OPL_CALC_CH(CH);
- /* Rythn part */
- if(rhythm)
- OPL_CALC_RH(S_CH);
- /* limit check */
- data = Limit( outd[0] , OPL_MAXOUT, OPL_MINOUT );
- /* store to sound buffer */
- buf[i] = data >> OPL_OUTSB;
- }
- OPL->amsCnt = amsCnt;
- OPL->vibCnt = vibCnt;
- /* deltaT START flag */
- if( !DELTAT->portstate )
- OPL->status &= 0xfe;
-}
-#endif
/* ---------- reset one of chip ---------- */
-void OPLResetChip(FM_OPL *OPL)
+static void OPLResetChip(FM_OPL *OPL)
{
int c,s;
int i;
OPLWriteReg(OPL,0x03,0); /* Timer2 */
OPLWriteReg(OPL,0x04,0); /* IRQ mask clear */
for(i = 0xff ; i >= 0x20 ; i-- ) OPLWriteReg(OPL,i,0);
- /* reset OPerator paramater */
+ /* reset operator parameter */
for( c = 0 ; c < OPL->max_ch ; c++ )
{
OPL_CH *CH = &OPL->P_CH[c];
CH->SLOT[s].evs = 0;
}
}
-#if BUILD_Y8950
- if(OPL->type&OPL_TYPE_ADPCM)
- {
- YM_DELTAT *DELTAT = OPL->deltat;
-
- DELTAT->freqbase = OPL->freqbase;
- DELTAT->output_pointer = outd;
- DELTAT->portshift = 5;
- DELTAT->output_range = DELTAT_MIXING_LEVEL<<TL_BITS;
- YM_DELTAT_ADPCM_Reset(DELTAT,0);
- }
-#endif
}
/* ---------- Create one of vietual YM3812 ---------- */
/* 'rate' is sampling rate and 'bufsiz' is the size of the */
-FM_OPL *OPLCreate(int type, int clock, int rate)
+FM_OPL *OPLCreate(int clock, int rate)
{
char *ptr;
FM_OPL *OPL;
/* allocate OPL state space */
state_size = sizeof(FM_OPL);
state_size += sizeof(OPL_CH)*max_ch;
-#if BUILD_Y8950
- if(type&OPL_TYPE_ADPCM) state_size+= sizeof(YM_DELTAT);
-#endif
/* allocate memory block */
ptr = malloc(state_size);
if(ptr==NULL) return NULL;
memset(ptr,0,state_size);
OPL = (FM_OPL *)ptr; ptr+=sizeof(FM_OPL);
OPL->P_CH = (OPL_CH *)ptr; ptr+=sizeof(OPL_CH)*max_ch;
-#if BUILD_Y8950
- if(type&OPL_TYPE_ADPCM) OPL->deltat = (YM_DELTAT *)ptr; ptr+=sizeof(YM_DELTAT);
-#endif
/* set channel state pointer */
- OPL->type = type;
OPL->clock = clock;
OPL->rate = rate;
OPL->max_ch = max_ch;
/* ---------- Option handlers ---------- */
-void OPLSetTimerHandler(FM_OPL *OPL,OPL_TIMERHANDLER TimerHandler,int channelOffset)
+void OPLSetTimerHandler(FM_OPL *OPL, OPL_TIMERHANDLER TimerHandler,
+ void *param)
{
OPL->TimerHandler = TimerHandler;
- OPL->TimerParam = channelOffset;
-}
-void OPLSetIRQHandler(FM_OPL *OPL,OPL_IRQHANDLER IRQHandler,int param)
-{
- OPL->IRQHandler = IRQHandler;
- OPL->IRQParam = param;
-}
-void OPLSetUpdateHandler(FM_OPL *OPL,OPL_UPDATEHANDLER UpdateHandler,int param)
-{
- OPL->UpdateHandler = UpdateHandler;
- OPL->UpdateParam = param;
-}
-#if BUILD_Y8950
-void OPLSetPortHandler(FM_OPL *OPL,OPL_PORTHANDLER_W PortHandler_w,OPL_PORTHANDLER_R PortHandler_r,int param)
-{
- OPL->porthandler_w = PortHandler_w;
- OPL->porthandler_r = PortHandler_r;
- OPL->port_param = param;
+ OPL->TimerParam = param;
}
-void OPLSetKeyboardHandler(FM_OPL *OPL,OPL_PORTHANDLER_W KeyboardHandler_w,OPL_PORTHANDLER_R KeyboardHandler_r,int param)
-{
- OPL->keyboardhandler_w = KeyboardHandler_w;
- OPL->keyboardhandler_r = KeyboardHandler_r;
- OPL->keyboard_param = param;
-}
-#endif
/* ---------- YM3812 I/O interface ---------- */
int OPLWrite(FM_OPL *OPL,int a,int v)
{
}
else
{ /* data port */
- if(OPL->UpdateHandler) OPL->UpdateHandler(OPL->UpdateParam,0);
#ifdef OPL_OUTPUT_LOG
if(opl_dbg_fp)
{
switch(OPL->address)
{
case 0x05: /* KeyBoard IN */
- if(OPL->type&OPL_TYPE_KEYBOARD)
- {
- if(OPL->keyboardhandler_r)
- return OPL->keyboardhandler_r(OPL->keyboard_param);
- else {
- LOG(LOG_WAR,("OPL:read unmapped KEYBOARD port\n"));
- }
- }
return 0;
#if 0
case 0x0f: /* ADPCM-DATA */
return 0;
#endif
case 0x19: /* I/O DATA */
- if(OPL->type&OPL_TYPE_IO)
- {
- if(OPL->porthandler_r)
- return OPL->porthandler_r(OPL->port_param);
- else {
- LOG(LOG_WAR,("OPL:read unmapped I/O port\n"));
- }
- }
return 0;
case 0x1a: /* PCM-DATA */
return 0;
if( OPL->mode & 0x80 )
{ /* CSM mode total level latch and auto key on */
int ch;
- if(OPL->UpdateHandler) OPL->UpdateHandler(OPL->UpdateParam,0);
for(ch=0;ch<9;ch++)
CSMKeyControll( &OPL->P_CH[ch] );
}
}
/* reload timer */
- if (OPL->TimerHandler) (OPL->TimerHandler)(OPL->TimerParam+c,(double)OPL->T[c]*OPL->TimerBase);
+ if (OPL->TimerHandler) {
+ (OPL->TimerHandler)(OPL->TimerParam, c,
+ (double)OPL->T[c] * OPL->TimerBase);
+ }
return OPL->status>>7;
}
projects / qemu.git / blobdiff