X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=libpcsxcore%2Fpsxcounters.c;h=6f82abd5ae3baf3ae7e73ae05a35f9656d394354;hp=90c3d1491c9628052eb9acf9ac41a2035631dcc0;hb=24de2dd4dbdd50e44c91c40ebbc7d59ee1c0ac9b;hpb=9f7ee52edab5d7ba8f7da69f3c15d1d0025bd15b diff --git a/libpcsxcore/psxcounters.c b/libpcsxcore/psxcounters.c index 90c3d149..6f82abd5 100644 --- a/libpcsxcore/psxcounters.c +++ b/libpcsxcore/psxcounters.c @@ -22,17 +22,11 @@ */ #include "psxcounters.h" +#include "gpu.h" #include "debug.h" /******************************************************************************/ -typedef struct Rcnt -{ - u16 mode, target; - u32 rate, irq, counterState, irqState; - u32 cycle, cycleStart; -} Rcnt; - enum { Rc0Gate = 0x0001, // 0 not implemented @@ -75,12 +69,13 @@ static const s32 VerboseLevel = VERBOSE_LEVEL; /******************************************************************************/ -static Rcnt rcnts[ CounterQuantity ]; +Rcnt rcnts[ CounterQuantity ]; -static u32 hSyncCount = 0; +u32 hSyncCount = 0; +u32 frame_counter = 0; static u32 spuSyncCount = 0; static u32 hsync_steps = 0; -static u32 gpu_wants_hcnt = 0; +static u32 base_cycle = 0; u32 psxNextCounter = 0, psxNextsCounter = 0; @@ -183,6 +178,9 @@ void psxRcntSet() psxNextCounter = countToUpdate; } } + + psxRegs.interrupt |= (1 << PSXINT_RCNT); + new_dyna_set_event(PSXINT_RCNT, psxNextCounter); } /******************************************************************************/ @@ -296,8 +294,9 @@ void psxRcntUpdate() // VSync irq. if( hSyncCount == VBlankStart[Config.PsxType] ) { - GPU_vBlank( 1, &hSyncCount, &gpu_wants_hcnt ); - + //if( !(HW_GPU_STATUS & PSXGPU_ILACE) ) // hmh + HW_GPU_STATUS |= PSXGPU_LCF; + // For the best times. :D //setIrq( 0x01 ); } @@ -306,12 +305,16 @@ void psxRcntUpdate() if( hSyncCount >= (Config.VSyncWA ? HSyncTotal[Config.PsxType] / BIAS : HSyncTotal[Config.PsxType]) ) { hSyncCount = 0; + frame_counter++; - GPU_vBlank( 0, &hSyncCount, &gpu_wants_hcnt ); setIrq( 0x01 ); EmuUpdate(); GPU_updateLace(); + + HW_GPU_STATUS &= ~PSXGPU_LCF; + if( HW_GPU_STATUS & PSXGPU_ILACE ) + HW_GPU_STATUS |= frame_counter << 31; } // Schedule next call, in hsyncs @@ -322,11 +325,16 @@ void psxRcntUpdate() hsync_steps = next_vsync; if( next_lace && next_lace < hsync_steps ) hsync_steps = next_lace; - if( gpu_wants_hcnt ) - hsync_steps = 1; rcnts[3].cycleStart = cycle - leftover_cycles; - rcnts[3].cycle = hsync_steps * rcnts[3].target; + if (Config.PsxType) + // 20.12 precision, clk / 50 / 313 ~= 2164.14 + base_cycle += hsync_steps * 8864320; + else + // clk / 60 / 263 ~= 2146.31 + base_cycle += hsync_steps * 8791293; + rcnts[3].cycle = base_cycle >> 12; + base_cycle &= 0xfff; psxRcntSet(); } @@ -498,6 +506,8 @@ s32 psxRcntFreeze( gzFile f, s32 Mode ) if (Mode == 0) hsync_steps = (psxRegs.cycle - rcnts[3].cycleStart) / rcnts[3].target; + base_cycle = 0; + return 0; }