Renesas Electronics
CLRPSW
Clear a flag or bit in the PSW
CLeaR flag in PSW
[Syntax]
CLRPSW dest
[Operation]
dest = 0;
[Function]
-
This instruction clears the O, S, Z, or C flag, which is specified by dest, or the U or I bit.
In user mode, writing to the U or I bit is ignored. In supervisor mode, all flags and bits can be written to.
[Instruction Format]
Syntax
dest
Code size
(Byte)
flag
2
[Flag Change]
Flag
C
Z
S
O
Change
*
Note
* The specified flag becomes 0.
[Description Example]
CLRPSW C
CLRPSW Z