X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fpsxinterpreter.c;h=e904cee6fefce269abbe9dac3304ec7557f1fd21;hb=9e0fad6aaa0ca02dff050abb730688e0bba41ed3;hp=cf3de7985a3df639a4644e02bfdcd2151a31edf0;hpb=247fc699be6b3bd95fd9126541e0804cc8dffdd4;p=pcsx_rearmed.git

diff --git a/libpcsxcore/psxinterpreter.c b/libpcsxcore/psxinterpreter.c
index cf3de798..e904cee6 100644
--- a/libpcsxcore/psxinterpreter.c
+++ b/libpcsxcore/psxinterpreter.c
@@ -39,6 +39,14 @@ static u32 branchPC;
 #define debugI()
 #endif
 
+#ifndef NDEBUG
+#include "debug.h"
+#else
+void StartDebugger() {}
+void ProcessDebug() {}
+void StopDebugger() {}
+#endif
+
 void execI();
 
 // Subsets
@@ -501,14 +509,20 @@ void psxSLTU() 	{ if (!_Rd_) return; _rRd_ = _u32(_rRs_) < _u32(_rRt_); }	// Rd
 * Format:  OP rs, rt                                     *
 *********************************************************/
 void psxDIV() {
-	if (_i32(_rRt_) != 0) {
-		_i32(_rLo_) = _i32(_rRs_) / _i32(_rRt_);
-		_i32(_rHi_) = _i32(_rRs_) % _i32(_rRt_);
-	}
-	else {
-		_i32(_rLo_) = _i32(_rRs_) >= 0 ? 0xffffffff : 1;
-		_i32(_rHi_) = _i32(_rRs_);
-	}
+    if (!_i32(_rRt_)) {
+        _i32(_rHi_) = _i32(_rRs_);
+        if (_i32(_rRs_) & 0x80000000) {
+            _i32(_rLo_) = 1;
+        } else {
+            _i32(_rLo_) = 0xFFFFFFFF;
+        }
+    } else if (_i32(_rRs_) == 0x80000000 && _i32(_rRt_) == 0xFFFFFFFF) {
+        _i32(_rLo_) = 0x80000000;
+        _i32(_rHi_) = 0;
+    } else {
+        _i32(_rLo_) = _i32(_rRs_) / _i32(_rRt_);
+        _i32(_rHi_) = _i32(_rRs_) % _i32(_rRt_);
+    }
 }
 
 void psxDIVU() {