|
private static cbopcode4 ( |
||
| $core | ||
private static function cbopcode4(Core $core)
{
$core->FCarry = ($core->registersHL & 0x8000) == 0x8000;
$core->registersHL = ($core->registersHL << 1 & 0xfe00) + ($core->FCarry ? 0x100 : 0) + ($core->registersHL & 0xff);
$core->FHalfCarry = $core->FSubtract = false;
$core->FZero = $core->registersHL <= 0xff;
}