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RTR
Operation:
Assembler
Syntax:
Attributes:
Return and Restore Condition Codes
(SP) => CCR; SP
+
2 => SP;
(SP) => PC; SP + 4 => SP
RTR
Unsized
RTR
Description:
Pulls the condition code and program counter values from the stack. 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
12
11
10
9
8 7 6
o
I
0
I
0
I
1
1
o
I
0
I
1
CPU32 REFERENCE MANUAL
INSTRUCTION SET
5
4
3
2
o
o
I
1
I
MOTOROLA
4-143
III
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