Figure 2.5 shows the object code formats of the data transfer instructions.
15
op
15
15
15
15
op
15
15
op
15
15
Legend:
op:
Operation field
rm, rn: Register field
disp:
Displacement
abs:
Absolute address
IMM:
Immediate data
Figure 2.5 Data Transfer Instruction Object Code Formats
8
7
8
7
op
8
7
op
disp
8
7
op
8
7
rn
8
7
op
abs
8
7
rn
8
7
op
IMM
8
7
op
rm
rn
rm
rn
rm
rn
rm
rn
abs
rn
IMM
rn
rn
0
MOV
Rm → Rn
0
@Rm ← → Rn
0
@(d:16, Rm) ← → Rn
0
@Rm+ → Rn,
Rn → @–Rm
0
@aa:8 ← → Rn
0
@aa:16 ← → Rn
0
#xx8 → Rn
0
#xx16 → Rn
0
POP, PUSH
25