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1- 16 M68040 USER’S MANUAL MOTOROLA
Table 1-4. Instruction Set Summary (Continued)
Opcode Operation Syntax
EXG Rx ł ø Ry EXG Dx,Dy
EXG Ax,Ay
EXG Dx,Ay
EXG Ay,Dx
EXT
EXTB
Destination Sign – Extended ø Destination EXT.W Dn extend byte to word
EXT.L L Dn extend word to long word
EXTB.L Dn extend byte to long word
FABS 2Absolute Value of Source ø FPn FABS.<fmt> <ea>,FPn
FABS.X FPm,FPn
FABS.X FPn
FrABS.<fmt> <ea>,FPn3
FrABS.X FPm,FPn3
FrABS.X FPn3
FADD2Source + FPn ø FPn FADD.<fmt> <ea>,FPn
FADD.X FPm,FPn
FrADD.<fmt> <ea>,FPn3
FrADD.X FPm,FPn3
FBcc 2If condition true
then PC + dn ø PC
FBcc.SIZE <label>
FCMP2FPn – Source FCMP.<fmt> <ea>,FPn
FCMP.X FPm,FPn
FDBcc 2If condition true
then no operation
else Dn – 1 ø Dn
if Dn –1
then PC + dn ø PC
else execute next instruction
FDBcc Dn,<label>
FDIV2FPn ÷ Source ø FPn FDIV.<fmt> <ea>,FPn
FDIV.X FPm,FPn
FrDIV.<fmt> <ea>,FPn3
FrDIV.X FPm,FPn3
FMOVE 2Source ø Destination FMOVE.<fmt> <ea>,FPn
FMOVE.<fmt> FPM,<ea>
FMOVE.P FPm,<ea>{Dn}
FMOVE.P FPm,<ea>{#k}
FrMOVE.<fmt> <ea>,FPn3
FMOVE 2Source ø Destination FMOVE.L <ea>,FPcr
FMOVE.L FPcr,<ea>
FMOVEM2Register List ø Destination
Source ø Register List
FMOVEM.X <list>,<ea>4
FMOVEM.X Dn,<ea>
FMOVEM.X <ea>,<list>4
FMOVEM.X <ea>,Dn
FMOVEM2Register List ø Destination
Source ø Register List
FMOVEM.L <list>,<ea>5
FMOVEM.L <ea>,<list>5
FMUL2Source × FPn ø FPn FMUL.<fmt> <ea>,FPn
FMUL.X FPm,FPn
FrMUL<fmt> <ea>,FPn3
FrMUL.X FPm,FPn3
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