drc/gte: add some stall handling

[pcsx_rearmed.git] / libpcsxcore / psxinterpreter.c

diff --git a/libpcsxcore/psxinterpreter.c b/libpcsxcore/psxinterpreter.c
index 61c60ed..b171b0a 100644 (file)
--- a/libpcsxcore/psxinterpreter.c
+++ b/libpcsxcore/psxinterpreter.c
@@ -934,7 +934,10 @@ void psxCOP0() {
 }
 
 void psxCOP2() {
-       psxCP2[_Funct_]((struct psxCP2Regs *)&psxRegs.CP2D);
+       u32 f = _Funct_;
+       if (f != 0 || _Rs_ < 4) // not MTC2/CTC2
+               gteCheckStall(f);
+       psxCP2[f]((struct psxCP2Regs *)&psxRegs.CP2D);
 }
 
 void psxBASIC(struct psxCP2Regs *regs) {