4
LatticeMico
8
Microcontroller
Lattice Semiconductor
User’s Guide
Instruction Sets
Please note that for all Branch and Call instructions, the signed offset is represented as binary 2’s complement.
ADD RD, Rb
Rd = Rd + Rb (add registers)
The carry flag is updated with the carry out from the addition. The zero flag is set to 1 if all the bits of the result are
0.
ADDI Rd, C
Rd = Rd + CCCCCCCC (add constant to register)
The carry flag is updated with the carry out from the addition. The zero flag is set to 1 if all the bits of the result are
0.
ADDC Rd, Rb
Rd = Rd + Rb + Carry Flag (add registers and carry flag)
The carry flag is updated with the carry out from the addition. The zero flag is set to 1 if all the bits of the result are
0.
ADDIC Rd, CC
Rd = Rd + CC Carry Flag (add register, constant and carry flag)
The carry flag is updated with the carry out from the addition. The zero flag is set to 1 if all the bits of the result are
0.
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
1
0
0
Rd
Rd
Rd
Rd
Rd
Rb
Rb
Rb
Rb
Rb
0
0
0
CY Flag Updated
Zero Flag Updated
Yes
Yes
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
1
0
1
Rd
Rd
Rd
Rd
Rd
C
C
C
C
C
C
C
C
CY Flag Updated
Zero Flag Updated
Yes
Yes
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
1
1
0
Rd
Rd
Rd
Rd
Rd
Rb
Rb
Rb
Rb
Rb
0
0
0
CY Flag Updated
Zero Flag Updated
Yes
Yes
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
1
1
1
Rd
Rd
Rd
Rd
Rd
C
C
C
C
C
C
C
C
CY Flag Updated
Zero Flag Updated
Yes
Yes
