X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=libpcsxcore%2Fpsxcounters.c;h=177ccb75214ab42a44622069fa8e4e17a01b17ac;hp=6781c291e8380d48f7e93a9b26e61f41c3b1c7e2;hb=0877957a5101f5e7b8d4a7b486ca5d39bb9aafad;hpb=b1be1eeee94d3547c20719acfa6b0082404897f1 diff --git a/libpcsxcore/psxcounters.c b/libpcsxcore/psxcounters.c index 6781c291..177ccb75 100644 --- a/libpcsxcore/psxcounters.c +++ b/libpcsxcore/psxcounters.c @@ -74,6 +74,7 @@ static u32 hSyncCount = 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; @@ -176,6 +177,9 @@ void psxRcntSet() psxNextCounter = countToUpdate; } } + + psxRegs.interrupt |= (1 << PSXINT_RCNT); + new_dyna_set_event(PSXINT_RCNT, psxNextCounter); } /******************************************************************************/ @@ -319,7 +323,14 @@ void psxRcntUpdate() 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(); } @@ -491,6 +502,8 @@ s32 psxRcntFreeze( gzFile f, s32 Mode ) if (Mode == 0) hsync_steps = (psxRegs.cycle - rcnts[3].cycleStart) / rcnts[3].target; + base_cycle = 0; + return 0; }