Implemented basic support for function pointers

src/asm/MemoryLabel.go

@@ -0,0 +1,27 @@
+package asm
+
+import (
+	"fmt"
+)
+
+// MemoryLabel operates with a memory address and a number.
+type MemoryLabel struct {
+	Address Memory
+	Label   string
+}
+
+// String returns a human readable version.
+func (data *MemoryLabel) String() string {
+	return fmt.Sprintf("%dB [%s+%s+%d], %s", data.Address.Length, data.Address.Base, data.Address.OffsetRegister, data.Address.Offset, data.Label)
+}
+
+// MemoryLabel adds an instruction with a memory address and a label.
+func (a *Assembler) MemoryLabel(mnemonic Mnemonic, address Memory, label string) {
+	a.Instructions = append(a.Instructions, Instruction{
+		Mnemonic: mnemonic,
+		Data: &MemoryLabel{
+			Address: address,
+			Label:   label,
+		},
+	})
+}