Mitsubishi Q00JCPU User Manual page 683

10
DEVICE EXPLANATION
(3) Processing of file register block No.
Execution program
Block No. of file
register
Save area
(a) When switching from scan/low speed execution type program to interrupt/
fixed scan execution type program
The CPU module saves the file register block No. of the scan/low speed execution
type program and passes it to the interrupt/fixed scan execution type program.
(b) When switching from interrupt/fixed scan execution type program to scan/
low speed execution type program
The CPU module restores the saved file register block No.
Scan/low-speed
execution type
program
Block 1
Save
Block 0
Figure 10.65 File register block No. saving (protection)/restoration
10.6 Index Register(Z) / Standard Device Resister(Z)
10.6.4 Switching scan/low speed exec. to Interrupt/fixed scan exec.
Interrupt
program/fixed-cycle
Switching
execution type
program
Transferred
[RSET K0]
Block 1 0
Block 1 Block 1
Scan/low-speed
Restored
execution type
program
Block 1
Restored
Block 1 Block 1
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