Maxim Integrated High-Speed Microcontroller - Manual (Page 168)

High-Speed Microcontroller User’s Guide
Rev: 062210 168 of 176
INSTRUCTION CODE
MNEMONIC D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
HEX BYTE CYCLE EXPLANATION
ACALL addr
11 a
10
a
7
a
9
a
6
a
8
a
5
1
a
8
0
a
3
0
a
2
0
a
1
1
a
0
Byte 1
Byte 2 2 3 (PC) = (PC) + 2
(SP) = (SP) + 1
((SP)) = (PC
7-0
)
(SP) = (SP) + 1
((SP)) = (PC
15-8
)
(PC)=page address
LCALL addr
16 0
a
15
a
7
0
a
14
a
6
0
a
13
a
5
1
a
12
a
5
0
a
11
a
3
0
a
10
a
2
1
a
9
a
1
0
a
8
a
0
12
Byte 2
Byte 3
3 4 (PC) = (PC) + 3
(SP) = (SP) + 1
((SP)) = (PC
7-0
)
(SP) = (SP) + 1
((SP)) = (PC
15-8
)
(PC) = addr
15-0
RET 0 0 1 0 0 0 1 0 22 1 4 (PC
15-8
) = ((SP))
(SP) = (SP) - 1
(PC
7-0
) = ((SP))
(SP) = (SP) - 1
RETI 0 0 1 1 0 0 1 0 32 1 4 (PC
15-8
) = ((SP))
(SP) = (SP) - 1
(PC
7-0
) = ((SP))
(SP) = (SP) - 1
AJMP addr
11 a
10
a
7
a
9
a
6
a
8
a
5
0
a
4
0
a
3
0
a
2
0
a
1
1
a
0
Byte 1
Byte 2 2 3 (PC) = (PC) + 2
(PC
10-0
) = page addr
LJMP addr
16 0
a
15
a
7
0
a
14
a
6
0
a
13
a
5
0
a
12
a
4
0
a
11
a
3
0
a
10
a
2
1
a
9
a
1
0
a
8
a
0
02
Byte 2
Byte 3
3 4 (PC) = addr15-0
SJMP rel 1
r
7
0
r
6
0
r
5
0
r
4
0
r
3
0
r
2
0
r
1
0
r
0
80
Byte 2
2 3 (PC) = (PC) + 2
(PC) = (PC) + rel
JMP @A +
DPTR 0 1 1 1 0 0 1 1 73 1 3 (PC) = (A) + (DPTR)
JZ rel 1
r
7
0
r
6
0
r
5
0
r
4
0
r
3
0
r
2
0
r
1
0
r
0
60
Byte 2
2 3 (PC) = (PC) + 2
IF (A) = 0 THEN
(PC) = (PC) + rel
PR
OGRAM
BR
AN
CHING
JNZ rel 1
r
7
0
r
6
0
r
5
0
r
4
0
r
3
0
r
2
0
r
1
0
r
0
70
Byte 2
2 3 (PC) = (PC) + 2
IF (A)
≠ 0 THEN
(PC) = (PC) + rel