/** recording area (see also: playback bit flag definitions) **/
#define IDX_IO_REC_FLAGS 0x20 /* ??, PU:0x0000 */
/** recording area (see also: playback bit flag definitions) **/
#define IDX_IO_REC_FLAGS 0x20 /* ??, PU:0x0000 */
#define IDX_GAME_LEGACY_COMPATIBLE 0x00
/* in some operation mode, writing anything to this port
#define IDX_GAME_LEGACY_COMPATIBLE 0x00
/* in some operation mode, writing anything to this port