Motorola CPU32 Reference Manual page 194

M68300 series central processor unit
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RTD
Operation:
Assembler
Syntax:
Attributes:
Return and Deallocate
RTD
(SP)
=> PC; SP + 4 + d => SP
RTD #(displacement)
Unsized
DescrIption:
Pulls the program counter value from the stack and adds the sign-extended 16-bit
displacement value to the stack pointer. The previous program counter value is lost.
ConditIon Codes:
Not affected.
Instruction Format:
15
14
13
12
10
9
8
7
6
4
3
2
o
Instruction Field:
Displacement field -
Specifies the twos complement integer to be sign extended and added to
the stack pointer.
CPU32 REFERENCE MANUAL
INSTRUCTION SET
MOTOROLA
4-141
III

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