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GETBH (Super FX): Difference between revisions

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'''GETBH''' is a [[Super FX]] instruction that loads one byte from the ROM buffer.
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!colspan="9"|Flags Affected
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|B
|B
|ALT1
|[[ALT1]]
|ALT2
|[[ALT2]]
|O/V
|[[O/V]]
|S
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|CY
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'''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 ===
* [[GETB]]
* [[GETB]]
* [[GETBL]]


=== External Links ===
=== External Links ===
* Official Nintendo documentation on GETBH: https://archive.org/details/SNESDevManual/book2/page/n207
* 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]]

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