Implemented bitwise operations

src/build/arch/x64/And.go

@@ -0,0 +1,15 @@
+package x64
+
+import (
+	"git.akyoto.dev/cli/q/src/build/cpu"
+)
+
+// AndRegisterNumber performs a bitwise AND using a register and a number.
+func AndRegisterNumber(code []byte, destination cpu.Register, number int) []byte {
+	return encodeNum(code, AddressDirect, 0b100, destination, number, 0x83, 0x81)
+}
+
+// AndRegisterRegister performs a bitwise AND using two registers.
+func AndRegisterRegister(code []byte, destination cpu.Register, operand cpu.Register) []byte {
+	return encode(code, AddressDirect, operand, destination, 8, 0x21)
+}

src/build/arch/x64/Or.go

@@ -0,0 +1,15 @@
+package x64
+
+import (
+	"git.akyoto.dev/cli/q/src/build/cpu"
+)
+
+// OrRegisterNumber performs a bitwise OR using a register and a number.
+func OrRegisterNumber(code []byte, destination cpu.Register, number int) []byte {
+	return encodeNum(code, AddressDirect, 0b001, destination, number, 0x83, 0x81)
+}
+
+// OrRegisterRegister performs a bitwise OR using two registers.
+func OrRegisterRegister(code []byte, destination cpu.Register, operand cpu.Register) []byte {
+	return encode(code, AddressDirect, operand, destination, 8, 0x09)
+}

src/build/arch/x64/Xor.go

@@ -0,0 +1,15 @@
+package x64
+
+import (
+	"git.akyoto.dev/cli/q/src/build/cpu"
+)
+
+// XorRegisterNumber performs a bitwise XOR using a register and a number.
+func XorRegisterNumber(code []byte, destination cpu.Register, number int) []byte {
+	return encodeNum(code, AddressDirect, 0b110, destination, number, 0x83, 0x81)
+}
+
+// XorRegisterRegister performs a bitwise XOR using two registers.
+func XorRegisterRegister(code []byte, destination cpu.Register, operand cpu.Register) []byte {
+	return encode(code, AddressDirect, operand, destination, 8, 0x31)
+}