
dpb	STRUC
dpb_drive	DB	?
dpb_unit	DB	?
dpb_driver_addr	DD	?
dpb_next_dpb	DD	?
dpb_cbSector	DW	?
dpb_first_FAT	DW	?
dpb_toggle_time	DD	?
dpb_hVPB	DW	?
dpb_media	DB	?
dpb_flags	DB	?
dpb_drive_lock	DW	?
dpb_strategy2	DD	?
dpb	ENDS

DPBCHECK	EQU	10H     
DPBNONREMOV	EQU	20H     
DPBVCRAMDISK	EQU	40H     

dpb3x	STRUC
dpb3x_drive	DB	?
dpb3x_UNIT	DB	?
dpb3x_sector_size	DW	?
dpb3x_cluster_mask	DB	?
dpb3x_cluster_shift	DB	?
dpb3x_first_FAT	DW	?
dpb3x_FAT_count	DB	?
dpb3x_root_entries	DW	?
dpb3x_first_sector	DW	?
dpb3x_max_cluster	DW	?
dpb3x_FAT_size	DB	?
dpb3x_dir_sector	DW	?
dpb3x_driver_addr	DD	?
dpb3x_media	DB	?
dpb3x_first_access	DB	?
dpb3x_next_dpb	DD	?
dpb3x_next_free	DW	?
dpb3x_free_cnt	DW	?
dpb3x	ENDS


dpb4x	STRUC
dpb4x_drive	DB	?
dpb4x_UNIT	DB	?
dpb4x_sector_size	DW	?
dpb4x_cluster_mask	DB	?
dpb4x_cluster_shift	DB	?
dpb4x_first_FAT	DW	?
dpb4x_FAT_count	DB	?
dpb4x_root_entries	DW	?
dpb4x_first_sector	DW	?
dpb4x_max_cluster	DW	?
dpb4x_FAT_size	DW	?
dpb4x_dir_sector	DW	?
dpb4x_driver_addr	DD	?
dpb4x_media	DB	?
dpb4x_first_access	DB	?
dpb4x_next_dpb	DD	?
dpb4x_next_free	DW	?
dpb4x_free_cnt	DW	?
dpb4x	ENDS

DSKSIZ	EQU	dpb4x_max_cluster       
