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Persistant mass storage is handled by the eprom file area. It is interfaced with by the :EPR device (OZ 4.7 and newer). This device follows the DOR conventions with the major type DM_Epr ($84). Internal eprom file area is accessed with :EPR.0 device name. :EPR.1, :EPR.2, :EPR.3 refer to eprom file area in slot 1, 2 or 3 if a formatted eprom or flash eprom card is available. Accessing the file requires opening with GN_Opf, followed by i/o operations (OS_Gb, OS_Pb, OS_Frm, OS_Fwm, OS_Mv...) and ended by closure with GN_Cl. All usual read and write operations are performed like standard RAM files thanks to temporary ram files in :RAM.-. This functionality is transparent for end user, temporary files are deleted after closure of the file.
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