Control Data Cyber 170 State Hardware Reference Manual page 172

Other IOU Instructions
Other IOU lnstructions
Table 4-23 lists the other IOU instructions.
Table 4-23. Other IOU Instructions
Opcode Format Instruction Mnemonic
00 xx Pass
-
27 d Pass
260 x Exchange Jump ExN
261
x
Monitor exchange jump MXN
262 x
Monitor exchange jump to M MAN
Pass
O O x x Pass PSN
This instruction specifies that no operation i s to be performed. The
instruction provides a means of padding out a program.
27d Pass
KPT
d
This instruction is not
an
operation. However, it generates a pulse to
a
testpoint (keypoint) for optional monitoring by external equipment.