errant/tacit

<?php 
namespace Tacit\Instruction\Memory;
/**
 * Load from X memory location into the stack
 *
 * @author Tom Morton
 */
class Mld extends \Tacit\Instruction {

    public $command = 'MLD';

    public function execute($vm)
    {
        $vm->pointer++;
        $block = $vm->memory->get(base_convert($vm->getByte(),16,10));
        foreach($block->getData() as $byte) {
            $vm->stack->push($byte);
        }
    }

    public function compile(&$bytestream, $byte, $command)
    {
        if(!isset($command['T_OPERAND'])) {
            throw new \Exception('Command ' . $this->command . ' expects an operand');
        }

        $bytestream[] = $byte;
        $bytestream[] = $command['T_OPERAND'];

    }
}