2-27
2
3
4
4
6
7
8
2.4 Basic instructions
2.4.5 Program branch instructions
2.4.5 Program branch instructions
Table 2.14 Program Branch Instructions
2.4.6 Program execution control instructions
Table 2.15 Program Execution Control Instructions
2.4.7 I/O refresh instructions
Table 2.16 I/O Refresh Instructions
Category
Instruction Symbol
Symbol Processing Details
Execution
Condition
Number of Basic Steps
Subset
See for Description
Jump
CJ
• Jumps to Pn when input conditions are
met.
2
6-129
SCJ
• Jumps to Pn from the scan after the
meeting of input condition.
2
JMP
• Jumps unconditionally to Pn. 2
GOEND
• Jumps to END instruction when input
condition is met.
1 - 6-132
Category
Instruction Symbol
Symbol Processing Details
Execution
Condition
Number of Basic Steps
Subset
See for Description
Disable
interrupts
DI
• Prohibits the running of an interrupt
program.
1-
6-133
Enable
interrupts
EI
• Resets interrupt program execution
prohibition.
1-
Interrupt
disable/
enable
setting
IMASK
• Inhibits or permits interrupts for each
interrupt program.
2-
Return IRET
• Returns to sequence program from an
interrupt program.
1 - 6-139
Category
Instruction Symbol
Symbol Processing Details
Execution
Condition
Number of Basic Steps
Subset
See for Description
I/O
Refresh
RFS
• Refreshes the relevant I/O area during
scan.
3 - 6-141
RFSP
CJ Pn
SCJ Pn
JMP Pn
GOEND
DI
EI
IMASK S
IRET
RFS nS
RFSP nS