Motorola M68060 User Manual page 408

MC68060 Instructions
FSAVE
Floating-Point Status Register: Not affected.
Instruction Format:
15 14 13
1 1 1
Instruction Field:
Effective Address field—Determines the addressing mode for the state frame. Only pre-
decrement or control alterable addressing modes can be used as listed in the following
table:
Addressing Mode
Dn
An
(An)
(An) +
–(An)
(d 16 ,An)
(d 8 ,An,Xn)
(bd,An,Xn)
([bd,An,Xn],od)
([bd,An],Xn,od)
D-18
Save Internal Floating-Point State
(MC68060 only)
12 11 10 9
1 0 0 1
Mode Register
— —
— —
010 reg. number:An
— —
100 reg. number:An
101 reg. number:An
110 reg. number:An
110 reg. number:An
110 reg. number:An
110 reg. number:An
M68060 USER'S MANUAL
8 7 6 5
1 0 0
Addressing Mode
(xxx).W
(xxx).L
#<data>
(d 16 ,PC)
(d 8 ,PC,Xn)
(bd,PC,Xn)
([bd,PC,Xn],od)
([bd,PC],Xn,od)
FSAVE
4 3 2 1
EFFECTIVE ADDRESS
MODEREGISTER
Mode Register
111 000
111 001
— —
— —
— —
— —
— —
— —
MOTOROLA
0