FILD with MOD 3 now correctly behaves like FFREEP (undocumented behavior).

2016-08-09 03:42:32 +02:00
parent 8a588dcc82
commit e6553975da
2 changed files with 17 additions and 0 deletions
--- a/src/x87_ops_misc.h
+++ b/src/x87_ops_misc.h
@@ -50,6 +50,15 @@ static int opFFREE(uint32_t fetchdat)
        return 0;
 }

+static int opFFREEP(uint32_t fetchdat)
+{
+        if (fplog) pclog("FFREEP\n");
+        tag[(TOP + fetchdat) & 7] = 3; if (abrt) return 1;
+        x87_pop();
+        CLOCK_CYCLES(3);
+        return 0;
+}
+
 static int opFST(uint32_t fetchdat)
 {
        FP_ENTER();