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MC68060 Instructions
MOTOROLA M68060 USER’S MANUAL D-21
MOVEC Move Control Register MOVEC
(MC68060, MC68LC060 and MC68EC060)
Operation: If Supervisor State
Then Rc Rn or Rn Rc
Else TRAP
Assembler MOVEC Rc,Rn
Syntax: MOVEC Rn,Rc
Attributes: Size = (Long)
Description: Moves the contents of the specified control register (Rc) to the specified
general register (Rn) or copies the contents of the specified general register to the
specified control register. This is always a 32-bit transfer, even though the control reg-
ister may be implemented with fewer bits. Unimplemented bits are read as zeros.
Condition Codes: Not affected.
Instruction Format:
Instruction Fields:
dr field—Specifies the direction of the transfer.
0—Control register to general register.
1—General register to control register.
A/D field—Specifies the type of general register.
0—Data Register
1—Address Register
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
010011100111101dr
A/D REGISTER CONTROL REGISTER
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