Simplified file structure

src/core/ExecuteRegister.go

@@ -0,0 +1,21 @@
+package core
+
+import (
+	"git.akyoto.dev/cli/q/src/asm"
+	"git.akyoto.dev/cli/q/src/cpu"
+	"git.akyoto.dev/cli/q/src/errors"
+	"git.akyoto.dev/cli/q/src/token"
+)
+
+// ExecuteRegister performs an operation on a single register.
+func (f *Function) ExecuteRegister(operation token.Token, register cpu.Register) error {
+	switch operation.Kind {
+	case token.Negate:
+		f.Register(asm.NEGATE, register)
+
+	default:
+		return errors.New(&errors.InvalidOperator{Operator: operation.Text(f.File.Bytes)}, f.File, operation.Position)
+	}
+
+	return nil
+}