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GETBH (Super FX): Difference between revisions
From SnesLab
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!colspan="9"|Flags | !colspan="9"|Flags Affected | ||
|+ | |+ | ||
|B | |B | ||
|ALT1 | |[[ALT1]] | ||
|ALT2 | |[[ALT2]] | ||
|O/V | |[[O/V]] | ||
|S | |S | ||
|CY | |[[CY]] | ||
|Z | |Z | ||
|+ | |+ | ||
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'''GETBH''' is a [[Super FX]] instruction that loads one byte from the [[ROM buffer]] into the high byte of the [[destination register]] and the low byte of the [[source register]] into the low byte of the destination register. | '''GETBH''' (Get Byte High) is a [[Super FX]] instruction that loads one byte from the [[ROM buffer]] into the high byte of the [[destination register]] and the low byte of the [[source register]] into the low byte of the destination register. | ||
=== See Also === | === See Also === | ||
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=== External Links === | === External Links === | ||
* Official Nintendo | * Official Super Nintendo development manual on GETBH: 9.36 on [https://archive.org/details/SNESDevManual/book2/page/n207 Page 2-9-51 of Book II] | ||
* example: [https://archive.org/details/SNESDevManual/book2/page/n208 page 2-9-52 of Book II], lbid | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:Super FX]] | [[Category:Super FX]] | ||
[[Category:Data Transfer Instructions]] | [[Category:Data Transfer Instructions]] | ||
[[Category:Two-byte Instructions]] | |||
Latest revision as of 11:38, 21 December 2023
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Opcode | Length | ROM Speed | RAM Speed | Cache Speed | |||
| 3DEF | 2 bytes | 6 to 10 cycles | 6 to 9 cycles | 2 to 6 cycle | |||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | . | . | . | . | ||
GETBH (Get Byte High) is a Super FX instruction that loads one byte from the ROM buffer into the high byte of the destination register and the low byte of the source register into the low byte of the destination register.
See Also
External Links
- Official Super Nintendo development manual on GETBH: 9.36 on Page 2-9-51 of Book II
- example: page 2-9-52 of Book II, lbid