Simplified the assembler

src/asm/pointer.go

@@ -0,0 +1,14 @@
+package asm
+
+// Address represents a memory address.
+type Address = int32
+
+// pointer stores a relative memory address that we can later turn into an absolute one.
+// Position: The machine code offset where the address was inserted.
+// Resolve:  The function that will return the final address.
+type pointer struct {
+	Resolve  func() Address
+	Position Address
+	OpSize   uint8
+	Size     uint8
+}