Split files

instruction.go

@@ -0,0 +1,30 @@
+package vm
+
+import "bytes"
+
+import "github.com/lunixbochs/struc"
+import "github.com/pkg/errors"
+
+const InstructionBytes = 32
+
+type Instruction struct {
+	OpCode   OpCodeType
+	Reserved [4]byte
+	Operand1 Operand
+	Operand2 Operand
+
+	opHandler OpHandler `struc:"skip"`
+}
+
+func NewInstruction(byteCode []byte) (*Instruction, error) {
+	instr := &Instruction{}
+
+	reader := bytes.NewReader(byteCode)
+
+	err := struc.Unpack(reader, instr)
+	if err != nil {
+		return nil, errors.Wrap(err, "Error decoding instruction")
+	}
+
+	return instr, nil
+}