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ASR (Super FX): Difference between revisions
From SnesLab
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=== External Links === | === External Links === | ||
* Official Nintendo documentation on ASR: [https://archive.org/details/SNESDevManual/book2/page/n168 Page 2-9-12 of Book II] | * Official Nintendo documentation on ASR: 9.13 on [https://archive.org/details/SNESDevManual/book2/page/n168 Page 2-9-12 of Book II] | ||
* example: [https://archive.org/details/SNESDevManual/book2/page/n169 page 2-9-13 of Book II], lbid. | * example: [https://archive.org/details/SNESDevManual/book2/page/n169 page 2-9-13 of Book II], lbid. | ||
Revision as of 06:07, 2 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| Implied | 96 | 1 byte | 3 cycles | 3 cycles | 1 cycle | ||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | . | |||||
ASR (Arithmetic Shift Right) is a Super FX instruction that shifts all bits of the source register's value to the right one bit while also leaving the most significant bit unchanged, storing the result in the destination register. Bit 0 is shifted into CY.
See Also
External Links
- Official Nintendo documentation on ASR: 9.13 on Page 2-9-12 of Book II
- example: page 2-9-13 of Book II, lbid.