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SIO Command $E9 Unmount Device Image
Bill Kendrick edited this page May 27, 2022
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This is a command for Device $70 - The FujiNet Device itself (see SIO-Commands-for-Device-ID-$70).
Unmount device image in slot specified.
DAUX1 specifies the device slot to perform the operation on.
DAUX1 value 0x1A
selects the cassette tape slot.
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 |
// 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();
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