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MC68LC040RC25A Datasheet, PDF (37/442 Pages) Freescale Semiconductor, Inc – M68040 Users Manual
Freescale Semiconductor, Inc.
Opcode
EXG
EXT
EXTB
FABS 2
FADD2
FBcc 2
FCMP2
FDBcc 2
FDIV2
FMOVE 2
FMOVE 2
FMOVEM2
FMOVEM2
FMUL2
Table 1-4. Instruction Set Summary (Continued)
Rx ł ø Ry
Operation
Destination Sign – Extended ø Destination
Absolute Value of Source ø FPn
Source + FPn ø FPn
If condition true
then PC + dn ø PC
FPn – Source
If condition true
then no operation
else Dn – 1 ø Dn
if Dn ≠ –1
then PC + dn ø PC
else execute next instruction
FPn ÷ Source ø FPn
Source ø Destination
Source ø Destination
Register List ø Destination
Source ø Register List
Register List ø Destination
Source ø Register List
Source × FPn ø FPn
Syntax
EXG Dx,Dy
EXG Ax,Ay
EXG Dx,Ay
EXG Ay,Dx
EXT.W Dn
EXT.L L Dn
EXTB.L Dn
extend byte to word
extend word to long word
extend byte to long word
FABS.<fmt> <ea>,FPn
FABS.X FPm,FPn
FABS.X FPn
FrABS.<fmt> <ea>,FPn3
FrABS.X FPm,FPn3
FrABS.X FPn3
FADD.<fmt> <ea>,FPn
FADD.X FPm,FPn
FrADD.<fmt> <ea>,FPn3
FrADD.X FPm,FPn3
FBcc.SIZE <label>
FCMP.<fmt> <ea>,FPn
FCMP.X FPm,FPn
FDBcc Dn,<label>
FDIV.<fmt> <ea>,FPn
FDIV.X FPm,FPn
FrDIV.<fmt> <ea>,FPn3
FrDIV.X FPm,FPn3
FMOVE.<fmt> <ea>,FPn
FMOVE.<fmt> FPM,<ea>
FMOVE.P FPm,<ea>{Dn}
FMOVE.P FPm,<ea>{#k}
FrMOVE.<fmt> <ea>,FPn3
FMOVE.L <ea>,FPcr
FMOVE.L FPcr,<ea>
FMOVEM.X <list>,<ea>4
FMOVEM.X Dn,<ea>
FMOVEM.X <ea>,<list>4
FMOVEM.X <ea>,Dn
FMOVEM.L <list>,<ea>5
FMOVEM.L <ea>,<list>5
FMUL.<fmt> <ea>,FPn
FMUL.X FPm,FPn
FrMUL<fmt> <ea>,FPn3
FrMUL.X FPm,FPn3
1-16
M68040 USER’S MANUAL
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