clean up cache isolation handling

[pcsx_rearmed.git] / libpcsxcore / psxinterpreter.c

diff --git a/libpcsxcore/psxinterpreter.c b/libpcsxcore/psxinterpreter.c
index 3d08364..9ece259 100644 (file)
--- a/libpcsxcore/psxinterpreter.c
+++ b/libpcsxcore/psxinterpreter.c
@@ -911,7 +911,9 @@ void MTC0(psxRegisters *regs_, int reg, u32 val) {
 //     SysPrintf("MTC0 %d: %x\n", reg, val);
        switch (reg) {
                case 12: // Status
-                       regs_->CP0.r[12] = val;
+                       if ((regs_->CP0.n.Status ^ val) & (1 << 16))
+                               psxMemOnIsolate((val >> 16) & 1);
+                       regs_->CP0.n.Status = val;
                        psxTestSWInts(regs_);
                        break;
 
@@ -1114,7 +1116,7 @@ static void intClear(u32 Addr, u32 Size) {
 }
 
 void intNotify (int note, void *data) {
-       /* Gameblabla - Only clear the icache if it's isolated */
+       /* Armored Core won't boot without this */
        if (note == R3000ACPU_NOTIFY_CACHE_ISOLATED)
        {
                memset(&ICache, 0xff, sizeof(ICache));