CTRL_CMD_FLAG
sc->ctrlbyte = CTRL_CMD_FLAG | sc->ram[0];
sc->ctrlbyte = CTRL_CMD_FLAG | 0x55;
sc->ctrlbyte = CTRL_CMD_FLAG | 0;
sc->ctrlbyte = CTRL_CMD_FLAG | 0;
sc->ctrlbyte = CTRL_CMD_FLAG | sc->outport;
sc->ctrlbyte = CTRL_CMD_FLAG | sc->ram[byten];