Instruction Codes - Hitachi H8/300H Series Programming Manual

2.4 Instruction Codes

Table 2-3 Instruction Codes
Instruction Mnemonic
ADD ADD.B #xx:8,Rd
ADD.B Rs,Rd
ADD.W #xx:16,Rd
ADD.W Rs,Rd
ADD.L #xx:32,ERd
ADD.L ERs,ERd
ADDS ADDS #1,ERd
ADDS #2,ERd
ADDS #4,ERd
ADDX ADDX #xx:8,Rd
ADDX Rs,Rd
AND AND.B #xx:8,Rd
AND.B Rs,Rd
AND.W #xx:16,Rd
AND.W Rs,Rd
AND.L #xx:32,ERd
AND.L ERs,ERd
ANDC ANDC #xx:8,CCR
BAND BAND #xx:3,Rd
BAND #xx:3,@ERd
BAND #xx:3,@aa:8
Bcc BRA d:8 (BT d:8)
BRA d:16 (BT d:16)
BRN d:8 (BF d:8)
BRN d:16 (BF d:16)
BHI d:8
BHI d:16
BLS d:8
BLS d:16
BCC d:8 (BHS d:8)
BCC d:16 (BHS d:16)
BCS d:8 (BLO d:8)
Size
1st byte 2nd byte 3rd byte
B 8 rd IMM
B 0 8 rs rd
W 7 9 1 rd
W 0 9 rs rd
L 7 A 1 0 erd
L 0 A 1 ers 0 erd
L 0 B 0 0 erd
L 0 B 8 0 erd
L 0 B 9 0 erd
B 9 rd IMM
B 0 E rs rd
B E rd IMM
B 1 6 rs rd
W 7 9 6 rd
W 6 6 rs rd
L 7 A 6 0 erd
L 0 1 F 0 6
B 0 6 IMM
B 7 6 0 IMM rd
B 7 C 0 erd 0 7
B 7 E abs 7
— 4 0 disp
— 5 8 0 0
— 4 1 disp
— 5 8 1 0
— 4 2 disp
— 5 8 2 0
— 4 3 disp
— 5 8 3 0
— 4 4 disp
— 5 8 4 0
— 4 5 disp
Instruction Format
4th byte 5th byte 6th byte
IMM
IMM
IMM
IMM
6 0 ers 0 erd
6 0 IMM 0
6 0 IMM 0
disp
disp
disp
disp
disp
200
7th byte 8th byte 9th byte 10th byte