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MERGE (Super FX): Difference between revisions
From SnesLab
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| Line 22: | Line 22: | ||
|[[ALT2]] | |[[ALT2]] | ||
|[[O/V]] | |[[O/V]] | ||
|S | |[[Sign Flag|S]] | ||
|[[CY]] | |[[CY]] | ||
|Z | |Z | ||
Revision as of 19:14, 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.
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.