Rainbow Electronics HT49R70A-1 User Manual
Page 32
![background image](/manuals/281562/32/background.png)
HALT
Enter power down mode
Description
This instruction stops program execution and turns off the system clock. The contents of
the RAM and registers are retained. The WDT and prescaler are cleared. The power down
bit (PD) is set and the WDT time-out bit (TO) is cleared.
Operation
PC
¬ PC+1
PD
¬ 1
TO
¬ 0
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
¾
¾
0
1
¾
¾
¾
¾
INC [m]
Increment data memory
Description
Data in the specified data memory is incremented by 1
Operation
[m]
¬ [m]+1
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
¾
¾
¾
¾
¾
Ö
¾
¾
INCA [m]
Increment data memory and place result in the accumulator
Description
Data in the specified data memory is incremented by 1, leaving the result in the accumula-
tor. The contents of the data memory remain unchanged.
Operation
ACC
¬ [m]+1
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
¾
¾
¾
¾
¾
Ö
¾
¾
JMP addr
Directly jump
Description
The program counter are replaced with the directly-specified address unconditionally, and
control is passed to this destination.
Operation
PC
¬addr
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
¾
¾
¾
¾
¾
¾
¾
¾
MOV A,[m]
Move data memory to the accumulator
Description
The contents of the specified data memory are copied to the accumulator.
Operation
ACC
¬ [m]
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
¾
¾
¾
¾
¾
¾
¾
¾
HT49R70A-1
Rev. 1.00
32
December 4, 2001