Added arm package

src/arm/Xor.go

@@ -0,0 +1,14 @@
+package arm
+
+import "git.urbach.dev/cli/q/src/cpu"
+
+// XorRegisterNumber performs a bitwise XOR using a register and a number.
+func XorRegisterNumber(destination cpu.Register, source cpu.Register, number int) (uint32, bool) {
+	n, immr, imms, encodable := encodeLogicalImmediate(uint(number))
+	return 0b110100100<<23 | reg2BitmaskImm(destination, source, n, immr, imms), encodable
+}
+
+// XorRegisterRegister performs a bitwise XOR using two registers.
+func XorRegisterRegister(destination cpu.Register, source cpu.Register, operand cpu.Register) uint32 {
+	return 0b11001010<<24 | reg3(destination, source, operand)
+}