CHAPTER 6 DETAILED RULES FOR EXECUTION INSTRUCTIONS
6.66POPW (POP Word Data of Intherent Register from Stack Memory)
Transfer the word value from the memory indicated by SP to dr. Then, add 2 to the value of SP.
■POPW (POP Word Data of Intherent Register from Stack Memory)
Operation
(dr) ← ((SP)) (Word transfer) (SP) ← (SP) + 2 (Word addition)
Assembler format
POPW dr
Condition code (CCR)
N | Z | V | C |
|
|
|
|
- | - | - | - |
|
|
|
|
+: Changed by executing instruction
N:Not changed
Z:Not changed
V:Not changed
C:Not changed
Table 6.66-1 Number of Execution Cycles / Byte Count / OP Code
DR | A | IX | |
|
|
| |
Number of execution | 3 | 3 | |
cycles | |||
|
| ||
|
|
| |
Byte count | 1 | 1 | |
|
|
| |
OP code | 50 | 51 | |
|
|
|
178