aboutsummaryrefslogtreecommitdiff
path: root/ARMeilleure/Decoders/OpCodeMemPair.cs
diff options
context:
space:
mode:
Diffstat (limited to 'ARMeilleure/Decoders/OpCodeMemPair.cs')
-rw-r--r--ARMeilleure/Decoders/OpCodeMemPair.cs23
1 files changed, 23 insertions, 0 deletions
diff --git a/ARMeilleure/Decoders/OpCodeMemPair.cs b/ARMeilleure/Decoders/OpCodeMemPair.cs
new file mode 100644
index 00000000..ea329a1d
--- /dev/null
+++ b/ARMeilleure/Decoders/OpCodeMemPair.cs
@@ -0,0 +1,23 @@
+namespace ARMeilleure.Decoders
+{
+ class OpCodeMemPair : OpCodeMemImm
+ {
+ public int Rt2 { get; private set; }
+
+ public OpCodeMemPair(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode)
+ {
+ Rt2 = (opCode >> 10) & 0x1f;
+ WBack = ((opCode >> 23) & 0x1) != 0;
+ PostIdx = ((opCode >> 23) & 0x3) == 1;
+ Extend64 = ((opCode >> 30) & 0x3) == 1;
+ Size = ((opCode >> 31) & 0x1) | 2;
+
+ DecodeImm(opCode);
+ }
+
+ protected void DecodeImm(int opCode)
+ {
+ Immediate = ((long)(opCode >> 15) << 57) >> (57 - Size);
+ }
+ }
+} \ No newline at end of file