Ixit Instruction Flowchart - HP 3000 III Series Manual

Machine Instructions and Stack Operations
IN DISPATCHER
EXIT TO
PROCESS
CD
SEND RIL TO
DEVICE
VES
RETURN TO
INTERRUPTED
PROCESS.
®
VES NO
RETURN TO A
LOWER PRIORITY
INTERRUPT
ROUTINE THAT
WAS
®
INTERRUPTED
RETURN TO
INTERRUPTED
DISPATCHER.
@
START OR
RESTART
DISPATCHER.
@OR@
TRIED TO GO TO
RETURN TO
DISPATCHER BUT
INTERRUPTED
WASPSEUoo.
PROCESS.
DISABLED.
@
NO
TRIED TO RESTART RETURN TO
BUT WAS PSEUDO- INTERRUPTED
DISABLED SO CONT· DISPATCHER.
INUE WHERE LEFT
@
OFF.
Figure 4-13.
IXIT Instruction Flowchart
4-34