PHP GameBoy Core::memoryRead Beispiele

memoryRead() public method

Memory Reading:

public memoryRead ( $address )

Beispiel #1

Datei: Opcode.php Projekt: gabrielrcouto/php-terminal-gameboy-emulator

 /**
  * Opcode #0xFE.
  *
  * CP n
  *
  * @param Core $core
  */
 public static function opcode254(Core $core)
 {
     $dirtySum = $core->registerA - $core->memoryRead($core->programCounter);
     $core->FHalfCarry = ($core->unsbtub($dirtySum) & 0xf) > ($core->registerA & 0xf);
     $core->FCarry = $dirtySum < 0;
     $core->FZero = $dirtySum == 0;
     $core->programCounter = $core->programCounter + 1 & 0xffff;
     $core->FSubtract = true;
 }