Implemented length storage of allocated memory

src/asm/Assembler.go

@@ -24,5 +24,5 @@ func (a *Assembler) SetData(label string, bytes []byte) {
 		a.Data = data.Data{}
 	}
 
-	a.Data[label] = bytes
+	a.Data.Insert(label, bytes)
 }

src/asm/Memory.go

@@ -4,7 +4,7 @@ import "git.akyoto.dev/cli/q/src/cpu"
 
 type Memory struct {
 	Base           cpu.Register
-	Offset         byte
+	Offset         int8
 	OffsetRegister cpu.Register
 	Length         byte
 }