From: notaz Date: Thu, 18 Dec 2014 21:51:42 +0000 (+0200) Subject: psxcounters: don't do many spu updates X-Git-Tag: r20~27 X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=commitdiff_plain;h=d618a2409c80f627a43c89791ce3f7bc38a48648 psxcounters: don't do many spu updates not needed with new sync code --- diff --git a/libpcsxcore/psxcounters.c b/libpcsxcore/psxcounters.c index b25674c6..35823dac 100644 --- a/libpcsxcore/psxcounters.c +++ b/libpcsxcore/psxcounters.c @@ -61,7 +61,6 @@ static const u32 CountToTarget = 1; static const u32 FrameRate[] = { 60, 50 }; static const u32 HSyncTotal[] = { 263, 313 }; -static const u32 SpuUpdInterval[] = { 32, 32 }; #define VBlankStart 240 #define VERBOSE_LEVEL 0 @@ -73,7 +72,6 @@ Rcnt rcnts[ CounterQuantity ]; u32 hSyncCount = 0; u32 frame_counter = 0; -static u32 spuSyncCount = 0; static u32 hsync_steps = 0; static u32 base_cycle = 0; @@ -323,22 +321,10 @@ void psxRcntUpdate() if( cycle - rcnts[3].cycleStart >= rcnts[3].cycle ) { u32 leftover_cycles = cycle - rcnts[3].cycleStart - rcnts[3].cycle; - u32 next_vsync, next_lace; + u32 next_vsync; - spuSyncCount += hsync_steps; hSyncCount += hsync_steps; - // Update spu. - if( spuSyncCount >= SpuUpdInterval[Config.PsxType] ) - { - spuSyncCount = 0; - - if( SPU_async ) - { - SPU_async( cycle, 1 ); - } - } - // VSync irq. if( hSyncCount == VBlankStart ) { @@ -348,6 +334,11 @@ void psxRcntUpdate() EmuUpdate(); GPU_updateLace(); + + if( SPU_async ) + { + SPU_async( cycle, 1 ); + } } // Update lace. (with InuYasha fix) @@ -363,13 +354,10 @@ void psxRcntUpdate() } // Schedule next call, in hsyncs - hsync_steps = SpuUpdInterval[Config.PsxType] - spuSyncCount; + hsync_steps = HSyncTotal[Config.PsxType] - hSyncCount; next_vsync = VBlankStart - hSyncCount; // ok to overflow - next_lace = HSyncTotal[Config.PsxType] - hSyncCount; if( next_vsync && next_vsync < hsync_steps ) hsync_steps = next_vsync; - if( next_lace && next_lace < hsync_steps ) - hsync_steps = next_lace; rcnts[3].cycleStart = cycle - leftover_cycles; if (Config.PsxType) @@ -493,7 +481,6 @@ void psxRcntInit() } hSyncCount = 0; - spuSyncCount = 0; hsync_steps = 1; psxRcntSet(); @@ -503,6 +490,7 @@ void psxRcntInit() s32 psxRcntFreeze( void *f, s32 Mode ) { + u32 spuSyncCount = 0; u32 count; s32 i;