HT46R47
CALL addr
Subroutine call.
Description
The instruction unconditionally calls a subroutine located at the indicated
address. The program counter increments once to obtain the address of the
next instruction, and pushes this onto the stack. The indicated address is
then loaded. Program execution continues with the instruction at this ad-
dress.
Operation
Stack ¬ PC+1
PC ¬ addr
Affected flag(s)
TC2 TC1 TO PD OV
Z
AC
C
¾
¾
¾
¾
¾
¾
¾
¾
CLR [m]
Clear data memory.
Description
Operation
The contents of the specified data memory are cleared to 0.
[m] ¬ 00H
Affected flag(s)
TC2 TC1 TO PD OV
Z
AC
C
¾
¾
¾
¾
¾
¾
¾
¾
CLR [m].i
Clear bit of data memory.
Description
Operation
The bit i of the specified data memory is cleared to 0.
[m].i ¬ 0
Affected flag(s)
TC2 TC1 TO PD OV
Z
AC
C
¾
¾
¾
¾
¾
¾
¾
¾
CLR WDT
Clear Watchdog Timer.
Description
The WDT and the WDT Prescaler are cleared (re-counting from 0). The
power down bit (PD) and time-out bit (TO) are cleared.
Operation
WDT and WDT Prescaler ¬ 00H
PD and TO ¬ 0
Affected flag(s)
TC2 TC1 TO PD OV
Z
AC
C
¾
¾
0
0
¾
¾
¾
¾
Rev. 1.40
30
July 18, 2001
ETC [ ETC ]
