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MERGE (Super FX): Difference between revisions
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The high byte of Dreg comes from R<sub>7</sub>. | The high byte of Dreg comes from R<sub>7</sub>. | ||
The low byte of Dreg comes from R<sub>8</sub>. | The low byte of Dreg comes from R<sub>8</sub>. | ||
The official documentation has several bits labeled "B" not 'D" below the "Flags affected" table.<sup>[1]</sup> | |||
=== External Links === | === External Links === | ||
Revision as of 21:12, 1 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Opcode | Length | ROM Speed | RAM Speed | Cache Speed | |||
| 70 | 1 byte | 3 cycles | 3 cycles | 1 cycle | |||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | ||||||
MERGE is a Super FX instruction that merges the high byte of two registers into the destination register.
The high byte of Dreg comes from R7. The low byte of Dreg comes from R8.
The official documentation has several bits labeled "B" not 'D" below the "Flags affected" table.[1]
External Links
- Official Nintendo documentation on MERGE: paragraph 9.56 on page 2-9-79 of Book II
- example: page 2-9-80 of Book II, lbid.