SIO Command $E9 Unmount Device Image - FujiNetWIFI/fujinet-firmware GitHub Wiki
This is a command for Device $70 - The FujiNet Device itself (see SIO-Commands-for-Device-ID-$70).
Unmount Device Image ($E9)
Description
Unmount device image in slot specified.
This command effectively ejects the disk image from the slot, clearing the filename and properties associated with it.
DAUX1 specifies the device slot to perform the operation on.
DAUX1 value 0x1A selects the cassette tape slot.
Parameters
| DCB | Value |
|---|---|
| DDEVIC | $70 |
| DUNIT | $01 |
| DCOMND | $E9 |
| DSTATS | $00 |
| DBUF | NULL |
| DTIMLO | $0F |
| DBYT | 0 |
| DAUX1 | Slot $00-$07 for disks, $1A for tape |
| DAUX2 | not used |
Examples
Atari BASIC
REM Unmount/Eject D1: (CMD 233 '$E9', AUX1=0 [Slot 1])
XIO 233,#1,0,0,"N:"
C
// unmount device image
OS.dcb.ddevic=0x70;
OS.dcb.dunit=1;
OS.dcb.dcomnd=0xE9;
OS.dcb.dstats=0x00;
OS.dcb.dbuf=NULL;
OS.dcb.dtimlo=0x0f;
OS.dcb.dbyt=0;
OS.dcb.daux=0; // unmount D1:
siov();