Improved separation of concerns

src/build/z/postInstruction.go

@@ -0,0 +1,11 @@
+package z
+
+import "git.akyoto.dev/cli/q/src/build/config"
+
+func (f *Compiler) postInstruction() {
+	if !config.Assembler {
+		return
+	}
+
+	f.RegisterHistory = append(f.RegisterHistory, f.CurrentScope().Used)
+}