HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 44

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

Figure 2.6 shows the instruction code format of arithmetic, logic, and shift instructions.
34
Legend:
op:
rm, rn:
IMM:
15
15
15
15
15
15
15
op
op
Operation field
Register field
Immediate data
op
op
op
Figure 2.6 Arithmetic, Logic, and Shift Instruction Codes
op
op
rn
rn
8
8
8
8
8
8
8
7
7
7
7
7
7
7
rm
rm
rm
IMM
IMM
rn
rn
rn
rn
rn
0
0
0
0
0
0
0
ADD, SUB, CMP,
ADDX, SUBX (Rm)
ADDS, SUBS, INC, DEC,
DAA, DAS, NEG, NOT
MULXU, DIVXU
ADD, ADDX, SUBX,
CMP (#XX:8)
AND, OR, XOR (Rm)
AND, OR, XOR (#xx:8)
SHAL, SHAR, SHLL, SHLR,
ROTL, ROTR, ROTXL, ROTXR