Generate random single instructions

gen/instruction.go

@@ -0,0 +1,15 @@
+package gen
+
+import "github.com/firestuff/subcoding/vm"
+
+func randInstruction() *vm.Instruction {
+	instr := &vm.Instruction{
+		OpCode: randOpCode(),
+	}
+
+	for i, t := range vm.OperandsByOpCode[instr.OpCode] {
+		instr.Operands[i] = randOperand(t)
+	}
+
+	return instr
+}