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RTD
Operation:
Assembler
Syntax:
Attributes:
Description:
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
0
1
0
Instruction Field:
Displacement field — Specifies the twos complement integer to be sign extended and
added to the stack pointer.
MOTOROLA
4-136
Return and Deallocate
(SP) → PC; SP + 4 + d → SP
RTD #〈displacement〉
Unsized
Pulls the program counter value from the stack and adds the sign-
12
11
10
9
0
1
1
1
DISPLACEMENT (16 BITS)
INSTRUCTION SET
8
7
6
5
0
0
1
1
RTD
4
3
2
1
1
0
1
0
CPU32
REFERENCE MANUAL
0
0
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