Installation guide

OS-9 V2.4 on EUROCOM-17 7 Additional Libraries
Software Manual 37
Sys$ASCtrl0 Select VMEbus AM source
❏ Input:
d0.w = 4 (Sys$ASCtrl0 function code)
d1.l = 1: the AM source register of the VIC is used to generate the
address modifier code on the VMEbus.
0: extended AM code is generated for address range from
$0040.0000 - $EFFF.FFFF, standard AM code at the
address range $FF00.0000 - $FFFE.FFFF and a short AM
code at addresses $FFFF.0000 - $FFFF.FFFF. (*)
-1: read status only
❏ Output:
d0.l = Status
❏ Error Output:
cc = carry bit set
d1.w = error code if error
❏ Possible Errors:
E$Permit - you must belong to group 0 to use this function
❏ Function:
If d1.l equals -1, no action takes place. The status of this function is
always returned in d0.