0.0088 release

[picodrive.git] / cpu / Cyclone / OpArith.cpp

diff --git a/cpu/Cyclone/OpArith.cpp b/cpu/Cyclone/OpArith.cpp
index 93d34a2..3aebd8f 100644 (file)
--- a/cpu/Cyclone/OpArith.cpp
+++ b/cpu/Cyclone/OpArith.cpp
@@ -346,7 +346,7 @@ int OpMul(int op)
   if (type==0) // div\r
   {\r
     ot("divzero%.4x%s\n",op,ms?"":":");\r
-    ot("  mov r0,#0x14 ;@ Divide by zero\n");\r
+    ot("  mov r0,#5 ;@ Divide by zero\n");\r
     ot("  bl Exception\n");\r
     Cycles+=38;\r
     OpEnd(ea);\r
@@ -553,16 +553,18 @@ int OpAritha(int op)
 \r
   // EA calculation order defines how situations like  suba.w (A0)+, A0 get handled.\r
   // different emus act differently in this situation, I couldn't fugure which is right behaviour.\r
-  if (/*type == */1)\r
+  //if (type == 1)\r
   {\r
     EaCalcReadNoSE(-1,0,sea,size,0x003f);\r
     EaCalcReadNoSE(type!=1?10:-1,11,dea,2,0x0e00);\r
   }\r
+#if 0\r
   else\r
   {\r
     EaCalcReadNoSE(type!=1?10:-1,11,dea,2,0x0e00);\r
     EaCalcReadNoSE(-1,0,sea,size,0x003f);\r
   }\r
+#endif\r
 \r
   if (size<2) ot("  mov r0,r0,asl #%d\n\n",size?16:24);\r
   if (size<2) asr=(char *)(size?",asr #16":",asr #24");\r
@@ -803,7 +805,7 @@ int OpChk(int op)
   OpEnd(ea);\r
 \r
   ot("chktrap%.4x%s ;@ CHK exception:\n",op,ms?"":":");\r
-  ot("  mov r0,#0x18\n");\r
+  ot("  mov r0,#6\n");\r
   ot("  bl Exception\n");\r
   Cycles+=40;\r
   OpEnd(ea);\r