Add Control Word to Unit Test

mbbsemu · Aug 27, 2024 · 56339ec · 56339ec
1 parent 178d5ed
commit 56339ec
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/MBBSEmu.Tests/CPU/FRNDINT_Tests.cs b/MBBSEmu.Tests/CPU/FRNDINT_Tests.cs
@@ -10,13 +10,16 @@ public class FRNDINT_Tests : CpuTestBase
         [InlineData(0.1d, 0d)]
         [InlineData(1.9d, 2d)]
         [InlineData(-1.9d, -2d)]
-        [InlineData(0.5d, 1d)]
+        [InlineData(0.5d, 0d)]
         [InlineData(0.49999999d, 0d)]
         public void FRNDINT_Test(double ST0Value, double expectedValue)
         {
             Reset();
             mbbsEmuCpuCore.FpuStack[mbbsEmuCpuRegisters.Fpu.GetStackTop()] = ST0Value;
 
+            //Set FPU Control Word to set rounding to even
+            mbbsEmuCpuRegisters.Fpu.ControlWord = 0x0000000C;
+
             var instructions = new Assembler(16);
             instructions.frndint();
             CreateCodeSegment(instructions);