Stuff

        if (IME == 1 && ( Reg(IF) & Reg(IE) )) {                int which = (Reg(IF) & Reg(IE));                PUSH(PC);                IME = 0;                /* which interrupt? */                if      ( which & INT_VBLANK) [PC = 0x40; Reg(IF) ^= INT_VBLANK; }                else if ( which & INT_LCDC  ) {PC = 0x48; Reg(IF) ^= INT_LCDC;   }                else if ( which & INT_TIMER ) {PC = 0x50; Reg(IF) ^= INT_TIMER;  }                else if ( which & INT_SERIAL) {PC = 0x58; Reg(IF) ^= INT_SERIAL; }                else if ( which & INT_KPAD  ) {PC = 0x60; Reg(IF) ^= INT_KPAD;   }        }