
Legend
IMM:
Immediate data (2, 3, 8, 16, or 32 bits)
abs:
Absolute address (8, 16, or 24 bits)
disp:
Displacement (8, 16, or 24 bits)
rs, rd, rn:
Register field (4 bits specifying an 8-bit or 16-bit register. rs corresponds to operand
symbols such as Rs, rd corresponds to operand symbols such as Rd, and rn
corresponds to the operand symbol Rn.)
ers, erd, ern:
Register field (3 bits specifying a 32-bit register. ers corresponds to operand
symbols such as ERs, erd corresponds to operand symbols such as ERd, and ern
corresponds to the operand symbol ERn.)
The register fields specify general registers as follows.
Address Register
32-bit Register
16-bit Register
8-bit Register
Register General
Register General Register
General
Field
Register
Field
Register
Field
Register
000
ER0
0000
R0
0000
R0H
001
ER1
0001
R1
0001
R1H
111
ER7
0111
R7
0111
R7H
1000
E0
1000
R0L
1001
E1
1001
R1L
1111
E7
1111
R7L
208