Preliminary
HT48R06A-1
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 zero.
[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 zero.
[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 zero). 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
0
0
¾
¾
¾
¾
¾
¾
29
February 25, 2000
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
