PFS122
8bit MTP MCU with 12-bit R-Type ADC
7. Instructions
Symbol
Symbol
ACC
a
Accumulator (Abbreviation of accumulator)
Accumulator (symbol of accumulator in program)
sp
flag
I
Stack pointer
ACC status flag register
Immediate data
&
Logical AND
|
Logical OR
←
^
Movement
Exclusive logic OR
+
Add
-
〜
〒
OV
Z
Subtraction
NOT (logical complement, 1’s complement)
NEG (2’s complement)
Overflow (The operational result is out of range in signed 2’s complement number system)
Zero (If the result of ALU operation is zero, this bit is set to 1)
Carry (The operational result is to have carry out for addition or to borrow carry for subtraction in
unsigned number system)
C
Auxiliary Carry
AC
(If there is a carry out from low nibble after the result of ALU operation, this bit is set to 1)
Only addressed in 0~0x7F (0~127) is allowed
M.n
©Copyright 2020, PADAUK Technology Co. Ltd
Page 72 of 93
PDK-DS-PFS122-EN_V000-May 28, 2020