4.9 INSTRUCTION FORMAT DIAGRAMS
The instruction formats are summarized in this section.
FMOVE to FPn
15 14 13 12 11 10 9 8 7
COPROCESSOR
[
I I 1 I ID 0 0
SOURCE DESTINATION
0 RiM 0 SPECIFIER REGISTER
6 5 4 3 2 1 0
EFFECTIVE ADDRESS
0 MODE REGISTER
o ol Io oroo
FINT
15 14 13 12 I1 10 9 8 ?
COPROCESSOR 1
1 1 1 1 IO 0 0
SOURCE DESTINATION
0 RIM 0 SPECIFIER REGISTER
6 5 4 3 2 1 0
EFFECTIVE ADDRESS
0 MODE REGISTER
o o OlD olol,
FSINH
15 14 13 12 11 10 9 8 7
COPROCESSOR J
1 I I I ID O O
SOURCE DESTINATION
0 R/M 0 SPECIFIER REGISTER
6 5 4 3 2 I 0
EFFECTIVE ADDRESS
0 MODE REGISTER
0 0 0 I 0 0
I [ 0
FINTRZ
15 14 13 12 11 10 9 8 7
I COPROCESSOR I
1 1 1 1 ID O O
SOURCE DESTINATION
0 R/M 0 SPECIFIER REGISTER
6 5 4 3 2 1 0
EFFECTIV~ ADDRESS
0 MODE | REGISTER
o ololo ol, ,
FSQRT
15 14 13 12 11
10
9 8 7
COPROCESSOR ]
1 1 1 l ID 0 0
SOURCE DESTINATION
0 R/M 0 SPECIFIER REGISTER
6 5 4 3 2 1 0
EFFECTIVF 7 ADDRESS
0 MODE | RESISTER
o ololo
,Iolo
FLOGNP1
15
I
O
14 13 12 11 10
9 8 7
COPROCESSOR I
1 1 1 IO O 0
SOURCE DESTINATION
R/M 0 SPECIFIER REGISTER
6 5 4 3 2 1 0
EFFECTIVF 7 ADDRESS
O MODE | REGISTER
o o o I o , [ , o
MC68881/MC68882 USER'S MANUAL FREESCALE
4-141
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