Symbol
dsp16
dsp20
dsp8
EVA( )
EXT( )
(H)
H4:
(L)
L4:
LSB
M( )
(M)
MSB
PC
H
PC
ML
FLG
H
FLG
L
Transposition from the right side to the left side
Interchange between the right side and the left side
Addition
Subtraction
Multiplication
Division
Logical conjunction
Logical disjunction
Exclusive disjunction
Logical negation
16-bit displacement
20-bit displacement
8-bit displacement
An effective address indicated by what is enclosed in ( )
Sign extension
Higher-order byte of a register or memory
4 higher-order bits of an 8-bit register or 8-bit memory
Absolute value
Lower-order byte of a register or memory
4 lower-order bits of an 8-bit register or 8-bit memory
Least Significant Bit
Content of memory indicated by what is enclosed in ( )
Middle-order byte of a register or memory
Most Significant Bit
Higher-order byte of the program counter
Middle-order byte and lower-order byte of the program counter
4 higher-order bits of the flag register
8 lower-order bits of the flag register
Symbol-2
Meaning