diff options
Diffstat (limited to 'libpcsxcore/psxcounters.c')
| -rwxr-xr-x[-rw-r--r--] | libpcsxcore/psxcounters.c | 972 |
1 files changed, 486 insertions, 486 deletions
diff --git a/libpcsxcore/psxcounters.c b/libpcsxcore/psxcounters.c index d573d446..631c21f0 100644..100755 --- a/libpcsxcore/psxcounters.c +++ b/libpcsxcore/psxcounters.c @@ -1,486 +1,486 @@ -/***************************************************************************
- * Copyright (C) 2010 by Blade_Arma *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
- ***************************************************************************/
-
-/*
- * Internal PSX counters.
- */
-
-#include "psxcounters.h"
-
-/******************************************************************************/
-
-typedef struct Rcnt
-{
- u16 mode, target;
- u32 rate, irq, counterState, irqState;
- u32 cycle, cycleStart;
-} Rcnt;
-
-enum
-{
- Rc0Gate = 0x0001, // 0 not implemented
- Rc1Gate = 0x0001, // 0 not implemented
- Rc2Disable = 0x0001, // 0 partially implemented
- RcUnknown1 = 0x0002, // 1 ?
- RcUnknown2 = 0x0004, // 2 ?
- RcCountToTarget = 0x0008, // 3
- RcIrqOnTarget = 0x0010, // 4
- RcIrqOnOverflow = 0x0020, // 5
- RcIrqRegenerate = 0x0040, // 6
- RcUnknown7 = 0x0080, // 7 ?
- Rc0PixelClock = 0x0100, // 8 fake implementation
- Rc1HSyncClock = 0x0100, // 8
- Rc2Unknown8 = 0x0100, // 8 ?
- Rc0Unknown9 = 0x0200, // 9 ?
- Rc1Unknown9 = 0x0200, // 9 ?
- Rc2OneEighthClock = 0x0200, // 9
- RcUnknown10 = 0x0400, // 10 ?
- RcCountEqTarget = 0x0800, // 11
- RcOverflow = 0x1000, // 12
- RcUnknown13 = 0x2000, // 13 ? (always zero)
- RcUnknown14 = 0x4000, // 14 ? (always zero)
- RcUnknown15 = 0x8000, // 15 ? (always zero)
-};
-
-#define CounterQuantity ( 4 )
-//static const u32 CounterQuantity = 4;
-
-static const u32 CountToOverflow = 0;
-static const u32 CountToTarget = 1;
-
-static const u32 FrameRate[] = { 60, 50 };
-//static const u32 VBlankStart[] = { 240, 256 };
-static const u32 VBlankStart[] = { 243, 256 };
-static const u32 HSyncTotal[] = { 263, 313 };
-static const u32 SpuUpdInterval[] = { 23, 22 };
-
-static const s32 VerboseLevel = 0;
-
-/******************************************************************************/
-
-static Rcnt rcnts[ CounterQuantity ];
-
-static u32 hSyncCount = 0;
-static u32 spuSyncCount = 0;
-
-u32 psxNextCounter = 0, psxNextsCounter = 0;
-
-/******************************************************************************/
-
-static inline
-void setIrq( u32 irq )
-{
- psxHu32ref(0x1070) |= SWAPu32(irq);
-}
-
-static
-void verboseLog( s32 level, const char *str, ... )
-{
- if( level <= VerboseLevel )
- {
- va_list va;
- char buf[ 4096 ];
-
- va_start( va, str );
- vsnprintf( buf, sizeof(buf), str, va );
- va_end( va );
-
- printf( "%s", buf );
- fflush( stdout );
- }
-}
-
-/******************************************************************************/
-
-static inline
-void _psxRcntWcount( u32 index, u32 value )
-{
- if( value > 0xffff )
- {
- verboseLog( 1, "[RCNT %i] wcount > 0xffff: %x\n", index, value );
- value &= 0xffff;
- }
-
- rcnts[index].cycleStart = psxRegs.cycle;
- rcnts[index].cycleStart -= value * rcnts[index].rate;
-
- // TODO: <=.
- if( value < rcnts[index].target )
- {
- rcnts[index].cycle = rcnts[index].target * rcnts[index].rate;
- rcnts[index].counterState = CountToTarget;
- }
- else
- {
- rcnts[index].cycle = 0xffff * rcnts[index].rate;
- rcnts[index].counterState = CountToOverflow;
- }
-}
-
-static inline
-u32 _psxRcntRcount( u32 index )
-{
- u32 count;
-
- count = psxRegs.cycle;
- count -= rcnts[index].cycleStart;
- count /= rcnts[index].rate;
-
- if( count > 0xffff )
- {
- verboseLog( 1, "[RCNT %i] rcount > 0xffff: %x\n", index, count );
- count &= 0xffff;
- }
-
- return count;
-}
-
-/******************************************************************************/
-
-static
-void psxRcntSet()
-{
- s32 countToUpdate;
- u32 i;
-
- psxNextsCounter = psxRegs.cycle;
- psxNextCounter = 0x7fffffff;
-
- for( i = 0; i < CounterQuantity; ++i )
- {
- countToUpdate = rcnts[i].cycle - (psxNextsCounter - rcnts[i].cycleStart);
-
- if( countToUpdate < 0 )
- {
- psxNextCounter = 0;
- break;
- }
-
- if( countToUpdate < (s32)psxNextCounter )
- {
- psxNextCounter = countToUpdate;
- }
- }
-}
-
-/******************************************************************************/
-
-static
-void psxRcntReset( u32 index )
-{
- u32 count;
-
- if( rcnts[index].counterState == CountToTarget )
- {
- if( rcnts[index].mode & RcCountToTarget )
- {
- count = psxRegs.cycle;
- count -= rcnts[index].cycleStart;
- count /= rcnts[index].rate;
- count -= rcnts[index].target;
- }
- else
- {
- count = _psxRcntRcount( index );
- }
-
- _psxRcntWcount( index, count );
-
- if( rcnts[index].mode & RcIrqOnTarget )
- {
- if( (rcnts[index].mode & RcIrqRegenerate) || (!rcnts[index].irqState) )
- {
- verboseLog( 3, "[RCNT %i] irq: %x\n", index, count );
- setIrq( rcnts[index].irq );
- rcnts[index].irqState = 1;
- }
- }
-
- rcnts[index].mode |= RcCountEqTarget;
- }
- else if( rcnts[index].counterState == CountToOverflow )
- {
- count = psxRegs.cycle;
- count -= rcnts[index].cycleStart;
- count /= rcnts[index].rate;
- count -= 0xffff;
-
- _psxRcntWcount( index, count );
-
- if( rcnts[index].mode & RcIrqOnOverflow )
- {
- if( (rcnts[index].mode & RcIrqRegenerate) || (!rcnts[index].irqState) )
- {
- verboseLog( 3, "[RCNT %i] irq: %x\n", index, count );
- setIrq( rcnts[index].irq );
- rcnts[index].irqState = 1;
- }
- }
-
- rcnts[index].mode |= RcOverflow;
- }
-
- rcnts[index].mode |= RcUnknown10;
-
- psxRcntSet();
-}
-
-void psxRcntUpdate()
-{
- u32 cycle;
-
- cycle = psxRegs.cycle;
-
- // rcnt 0.
- if( cycle - rcnts[0].cycleStart >= rcnts[0].cycle )
- {
- psxRcntReset( 0 );
- }
-
- // rcnt 1.
- if( cycle - rcnts[1].cycleStart >= rcnts[1].cycle )
- {
- psxRcntReset( 1 );
- }
-
- // rcnt 2.
- if( cycle - rcnts[2].cycleStart >= rcnts[2].cycle )
- {
- psxRcntReset( 2 );
- }
-
- // rcnt base.
- if( cycle - rcnts[3].cycleStart >= rcnts[3].cycle )
- {
- psxRcntReset( 3 );
-
- GPU_hSync(hSyncCount);
-
- spuSyncCount++;
- hSyncCount++;
-
- // Update spu.
- if( spuSyncCount >= SpuUpdInterval[Config.PsxType] )
- {
- spuSyncCount = 0;
-
- if( SPU_async )
- {
- SPU_async( SpuUpdInterval[Config.PsxType] * rcnts[3].target );
- }
- }
-
- // VSync irq.
- if( hSyncCount == VBlankStart[Config.PsxType] )
- {
- GPU_vBlank( 1 );
-
- // For the best times. :D
- //setIrq( 0x01 );
- }
-
- // Update lace. (with InuYasha fix)
- if( hSyncCount >= (Config.VSyncWA ? HSyncTotal[Config.PsxType] / BIAS : HSyncTotal[Config.PsxType]) )
- {
- hSyncCount = 0;
-
- GPU_vBlank( 0 );
- setIrq( 0x01 );
-
- GPU_updateLace();
- EmuUpdate();
- }
- }
-
- DebugVSync();
-}
-
-/******************************************************************************/
-
-void psxRcntWcount( u32 index, u32 value )
-{
- verboseLog( 2, "[RCNT %i] wcount: %x\n", index, value );
-
- psxRcntUpdate();
-
- _psxRcntWcount( index, value );
- psxRcntSet();
-}
-
-void psxRcntWmode( u32 index, u32 value )
-{
- verboseLog( 1, "[RCNT %i] wmode: %x\n", index, value );
-
- psxRcntUpdate();
-
- rcnts[index].mode = value;
- rcnts[index].irqState = 0;
-
- switch( index )
- {
- case 0:
- if( value & Rc0PixelClock )
- {
- rcnts[index].rate = 5;
- }
- else
- {
- rcnts[index].rate = 1;
- }
- break;
- case 1:
- if( value & Rc1HSyncClock )
- {
- rcnts[index].rate = (PSXCLK / (FrameRate[Config.PsxType] * HSyncTotal[Config.PsxType]));
- }
- else
- {
- rcnts[index].rate = 1;
- }
- break;
- case 2:
- if( value & Rc2OneEighthClock )
- {
- rcnts[index].rate = 8;
- }
- else
- {
- rcnts[index].rate = 1;
- }
-
- // TODO: wcount must work.
- if( value & Rc2Disable )
- {
- rcnts[index].rate = 0xffffffff;
- }
- break;
- }
-
- _psxRcntWcount( index, 0 );
- psxRcntSet();
-}
-
-void psxRcntWtarget( u32 index, u32 value )
-{
- verboseLog( 1, "[RCNT %i] wtarget: %x\n", index, value );
-
- psxRcntUpdate();
-
- rcnts[index].target = value;
-
- _psxRcntWcount( index, _psxRcntRcount( index ) );
- psxRcntSet();
-}
-
-/******************************************************************************/
-
-u32 psxRcntRcount( u32 index )
-{
- u32 count;
-
- psxRcntUpdate();
-
- count = _psxRcntRcount( index );
-
- // Parasite Eve 2 fix.
- if( Config.RCntFix )
- {
- if( index == 2 )
- {
- if( rcnts[index].counterState == CountToTarget )
- {
- count /= BIAS;
- }
- }
- }
-
- verboseLog( 2, "[RCNT %i] rcount: %x\n", index, count );
-
- return count;
-}
-
-u32 psxRcntRmode( u32 index )
-{
- u16 mode;
-
- psxRcntUpdate();
-
- mode = rcnts[index].mode;
- rcnts[index].mode &= 0xe7ff;
-
- verboseLog( 2, "[RCNT %i] rmode: %x\n", index, mode );
-
- return mode;
-}
-
-u32 psxRcntRtarget( u32 index )
-{
- verboseLog( 2, "[RCNT %i] rtarget: %x\n", index, rcnts[index].target );
-
- return rcnts[index].target;
-}
-
-/******************************************************************************/
-
-void psxRcntInit()
-{
- s32 i;
-
- // rcnt 0.
- rcnts[0].rate = 1;
- rcnts[0].irq = 0x10;
-
- // rcnt 1.
- rcnts[1].rate = 1;
- rcnts[1].irq = 0x20;
-
- // rcnt 2.
- rcnts[2].rate = 1;
- rcnts[2].irq = 0x40;
-
- // rcnt base.
- rcnts[3].rate = 1;
- rcnts[3].mode = RcCountToTarget;
- rcnts[3].target = (PSXCLK / (FrameRate[Config.PsxType] * HSyncTotal[Config.PsxType]));
-
- for( i = 0; i < CounterQuantity; ++i )
- {
- _psxRcntWcount( i, 0 );
- }
-
- hSyncCount = 0;
- spuSyncCount = 0;
-
- psxRcntSet();
-}
-
-/******************************************************************************/
-
-s32 psxRcntFreeze( gzFile f, s32 Mode )
-{
- gzfreeze( &rcnts, sizeof(rcnts) );
- gzfreeze( &hSyncCount, sizeof(hSyncCount) );
- gzfreeze( &spuSyncCount, sizeof(spuSyncCount) );
- gzfreeze( &psxNextCounter, sizeof(psxNextCounter) );
- gzfreeze( &psxNextsCounter, sizeof(psxNextsCounter) );
-
- return 0;
-}
-
-/******************************************************************************/
+/*************************************************************************** + * Copyright (C) 2010 by Blade_Arma * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * + ***************************************************************************/ + +/* + * Internal PSX counters. + */ + +#include "psxcounters.h" + +/******************************************************************************/ + +typedef struct Rcnt +{ + u16 mode, target; + u32 rate, irq, counterState, irqState; + u32 cycle, cycleStart; +} Rcnt; + +enum +{ + Rc0Gate = 0x0001, // 0 not implemented + Rc1Gate = 0x0001, // 0 not implemented + Rc2Disable = 0x0001, // 0 partially implemented + RcUnknown1 = 0x0002, // 1 ? + RcUnknown2 = 0x0004, // 2 ? + RcCountToTarget = 0x0008, // 3 + RcIrqOnTarget = 0x0010, // 4 + RcIrqOnOverflow = 0x0020, // 5 + RcIrqRegenerate = 0x0040, // 6 + RcUnknown7 = 0x0080, // 7 ? + Rc0PixelClock = 0x0100, // 8 fake implementation + Rc1HSyncClock = 0x0100, // 8 + Rc2Unknown8 = 0x0100, // 8 ? + Rc0Unknown9 = 0x0200, // 9 ? + Rc1Unknown9 = 0x0200, // 9 ? + Rc2OneEighthClock = 0x0200, // 9 + RcUnknown10 = 0x0400, // 10 ? + RcCountEqTarget = 0x0800, // 11 + RcOverflow = 0x1000, // 12 + RcUnknown13 = 0x2000, // 13 ? (always zero) + RcUnknown14 = 0x4000, // 14 ? (always zero) + RcUnknown15 = 0x8000, // 15 ? (always zero) +}; + +#define CounterQuantity ( 4 ) +//static const u32 CounterQuantity = 4; + +static const u32 CountToOverflow = 0; +static const u32 CountToTarget = 1; + +static const u32 FrameRate[] = { 60, 50 }; +//static const u32 VBlankStart[] = { 240, 256 }; +static const u32 VBlankStart[] = { 243, 256 }; +static const u32 HSyncTotal[] = { 263, 313 }; +static const u32 SpuUpdInterval[] = { 23, 22 }; + +static const s32 VerboseLevel = 0; + +/******************************************************************************/ + +static Rcnt rcnts[ CounterQuantity ]; + +static u32 hSyncCount = 0; +static u32 spuSyncCount = 0; + +u32 psxNextCounter = 0, psxNextsCounter = 0; + +/******************************************************************************/ + +static inline +void setIrq( u32 irq ) +{ + psxHu32ref(0x1070) |= SWAPu32(irq); +} + +static +void verboseLog( s32 level, const char *str, ... ) +{ + if( level <= VerboseLevel ) + { + va_list va; + char buf[ 4096 ]; + + va_start( va, str ); + vsnprintf( buf, sizeof(buf), str, va ); + va_end( va ); + + printf( "%s", buf ); + fflush( stdout ); + } +} + +/******************************************************************************/ + +static inline +void _psxRcntWcount( u32 index, u32 value ) +{ + if( value > 0xffff ) + { + verboseLog( 1, "[RCNT %i] wcount > 0xffff: %x\n", index, value ); + value &= 0xffff; + } + + rcnts[index].cycleStart = psxRegs.cycle; + rcnts[index].cycleStart -= value * rcnts[index].rate; + + // TODO: <=. + if( value < rcnts[index].target ) + { + rcnts[index].cycle = rcnts[index].target * rcnts[index].rate; + rcnts[index].counterState = CountToTarget; + } + else + { + rcnts[index].cycle = 0xffff * rcnts[index].rate; + rcnts[index].counterState = CountToOverflow; + } +} + +static inline +u32 _psxRcntRcount( u32 index ) +{ + u32 count; + + count = psxRegs.cycle; + count -= rcnts[index].cycleStart; + count /= rcnts[index].rate; + + if( count > 0xffff ) + { + verboseLog( 1, "[RCNT %i] rcount > 0xffff: %x\n", index, count ); + count &= 0xffff; + } + + return count; +} + +/******************************************************************************/ + +static +void psxRcntSet() +{ + s32 countToUpdate; + u32 i; + + psxNextsCounter = psxRegs.cycle; + psxNextCounter = 0x7fffffff; + + for( i = 0; i < CounterQuantity; ++i ) + { + countToUpdate = rcnts[i].cycle - (psxNextsCounter - rcnts[i].cycleStart); + + if( countToUpdate < 0 ) + { + psxNextCounter = 0; + break; + } + + if( countToUpdate < (s32)psxNextCounter ) + { + psxNextCounter = countToUpdate; + } + } +} + +/******************************************************************************/ + +static +void psxRcntReset( u32 index ) +{ + u32 count; + + if( rcnts[index].counterState == CountToTarget ) + { + if( rcnts[index].mode & RcCountToTarget ) + { + count = psxRegs.cycle; + count -= rcnts[index].cycleStart; + count /= rcnts[index].rate; + count -= rcnts[index].target; + } + else + { + count = _psxRcntRcount( index ); + } + + _psxRcntWcount( index, count ); + + if( rcnts[index].mode & RcIrqOnTarget ) + { + if( (rcnts[index].mode & RcIrqRegenerate) || (!rcnts[index].irqState) ) + { + verboseLog( 3, "[RCNT %i] irq: %x\n", index, count ); + setIrq( rcnts[index].irq ); + rcnts[index].irqState = 1; + } + } + + rcnts[index].mode |= RcCountEqTarget; + } + else if( rcnts[index].counterState == CountToOverflow ) + { + count = psxRegs.cycle; + count -= rcnts[index].cycleStart; + count /= rcnts[index].rate; + count -= 0xffff; + + _psxRcntWcount( index, count ); + + if( rcnts[index].mode & RcIrqOnOverflow ) + { + if( (rcnts[index].mode & RcIrqRegenerate) || (!rcnts[index].irqState) ) + { + verboseLog( 3, "[RCNT %i] irq: %x\n", index, count ); + setIrq( rcnts[index].irq ); + rcnts[index].irqState = 1; + } + } + + rcnts[index].mode |= RcOverflow; + } + + rcnts[index].mode |= RcUnknown10; + + psxRcntSet(); +} + +void psxRcntUpdate() +{ + u32 cycle; + + cycle = psxRegs.cycle; + + // rcnt 0. + if( cycle - rcnts[0].cycleStart >= rcnts[0].cycle ) + { + psxRcntReset( 0 ); + } + + // rcnt 1. + if( cycle - rcnts[1].cycleStart >= rcnts[1].cycle ) + { + psxRcntReset( 1 ); + } + + // rcnt 2. + if( cycle - rcnts[2].cycleStart >= rcnts[2].cycle ) + { + psxRcntReset( 2 ); + } + + // rcnt base. + if( cycle - rcnts[3].cycleStart >= rcnts[3].cycle ) + { + psxRcntReset( 3 ); + + GPU_hSync(hSyncCount); + + spuSyncCount++; + hSyncCount++; + + // Update spu. + if( spuSyncCount >= SpuUpdInterval[Config.PsxType] ) + { + spuSyncCount = 0; + + if( SPU_async ) + { + SPU_async( SpuUpdInterval[Config.PsxType] * rcnts[3].target ); + } + } + + // VSync irq. + if( hSyncCount == VBlankStart[Config.PsxType] ) + { + GPU_vBlank( 1 ); + + // For the best times. :D + //setIrq( 0x01 ); + } + + // Update lace. (with InuYasha fix) + if( hSyncCount >= (Config.VSyncWA ? HSyncTotal[Config.PsxType] / BIAS : HSyncTotal[Config.PsxType]) ) + { + hSyncCount = 0; + + GPU_vBlank( 0 ); + setIrq( 0x01 ); + + GPU_updateLace(); + EmuUpdate(); + } + } + + DebugVSync(); +} + +/******************************************************************************/ + +void psxRcntWcount( u32 index, u32 value ) +{ + verboseLog( 2, "[RCNT %i] wcount: %x\n", index, value ); + + psxRcntUpdate(); + + _psxRcntWcount( index, value ); + psxRcntSet(); +} + +void psxRcntWmode( u32 index, u32 value ) +{ + verboseLog( 1, "[RCNT %i] wmode: %x\n", index, value ); + + psxRcntUpdate(); + + rcnts[index].mode = value; + rcnts[index].irqState = 0; + + switch( index ) + { + case 0: + if( value & Rc0PixelClock ) + { + rcnts[index].rate = 5; + } + else + { + rcnts[index].rate = 1; + } + break; + case 1: + if( value & Rc1HSyncClock ) + { + rcnts[index].rate = (PSXCLK / (FrameRate[Config.PsxType] * HSyncTotal[Config.PsxType])); + } + else + { + rcnts[index].rate = 1; + } + break; + case 2: + if( value & Rc2OneEighthClock ) + { + rcnts[index].rate = 8; + } + else + { + rcnts[index].rate = 1; + } + + // TODO: wcount must work. + if( value & Rc2Disable ) + { + rcnts[index].rate = 0xffffffff; + } + break; + } + + _psxRcntWcount( index, 0 ); + psxRcntSet(); +} + +void psxRcntWtarget( u32 index, u32 value ) +{ + verboseLog( 1, "[RCNT %i] wtarget: %x\n", index, value ); + + psxRcntUpdate(); + + rcnts[index].target = value; + + _psxRcntWcount( index, _psxRcntRcount( index ) ); + psxRcntSet(); +} + +/******************************************************************************/ + +u32 psxRcntRcount( u32 index ) +{ + u32 count; + + psxRcntUpdate(); + + count = _psxRcntRcount( index ); + + // Parasite Eve 2 fix. + if( Config.RCntFix ) + { + if( index == 2 ) + { + if( rcnts[index].counterState == CountToTarget ) + { + count /= BIAS; + } + } + } + + verboseLog( 2, "[RCNT %i] rcount: %x\n", index, count ); + + return count; +} + +u32 psxRcntRmode( u32 index ) +{ + u16 mode; + + psxRcntUpdate(); + + mode = rcnts[index].mode; + rcnts[index].mode &= 0xe7ff; + + verboseLog( 2, "[RCNT %i] rmode: %x\n", index, mode ); + + return mode; +} + +u32 psxRcntRtarget( u32 index ) +{ + verboseLog( 2, "[RCNT %i] rtarget: %x\n", index, rcnts[index].target ); + + return rcnts[index].target; +} + +/******************************************************************************/ + +void psxRcntInit() +{ + s32 i; + + // rcnt 0. + rcnts[0].rate = 1; + rcnts[0].irq = 0x10; + + // rcnt 1. + rcnts[1].rate = 1; + rcnts[1].irq = 0x20; + + // rcnt 2. + rcnts[2].rate = 1; + rcnts[2].irq = 0x40; + + // rcnt base. + rcnts[3].rate = 1; + rcnts[3].mode = RcCountToTarget; + rcnts[3].target = (PSXCLK / (FrameRate[Config.PsxType] * HSyncTotal[Config.PsxType])); + + for( i = 0; i < CounterQuantity; ++i ) + { + _psxRcntWcount( i, 0 ); + } + + hSyncCount = 0; + spuSyncCount = 0; + + psxRcntSet(); +} + +/******************************************************************************/ + +s32 psxRcntFreeze( gzFile f, s32 Mode ) +{ + gzfreeze( &rcnts, sizeof(rcnts) ); + gzfreeze( &hSyncCount, sizeof(hSyncCount) ); + gzfreeze( &spuSyncCount, sizeof(spuSyncCount) ); + gzfreeze( &psxNextCounter, sizeof(psxNextCounter) ); + gzfreeze( &psxNextsCounter, sizeof(psxNextsCounter) ); + + return 0; +} + +/******************************************************************************/ |