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RTR
Operation:
Assembler
Syntax:
Attributes:
Description:
The previous condition codes and program counter values are lost. The supervisor
portion of the status register is unaffected.
Condition Codes:
Set to the condition codes from the stack.
Instruction Format:
15
14
13
0
1
0
MOTOROLA
4-138
Return and Restore Condition Codes
(SP) → CCR; SP + 2 → SP;
(SP) → PC; SP + 4 → SP
RTR
Unsized
Pulls the condition code and program counter values from the stack.
12
11
10
9
0
1
1
1
INSTRUCTION SET
8
7
6
5
0
0
1
1
RTR
4
3
2
1
1
0
1
1
CPU32
REFERENCE MANUAL
0
1
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