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ALT3: Difference between revisions
From SnesLab
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''' | {| class="wikitable" style="float:right;clear:right;width:40%" | ||
!colspan="8"|Basic Info | |||
|+ | |||
|'''Opcode''' | |||
|'''Length''' | |||
|'''ROM Speed''' | |||
|'''RAM Speed''' | |||
|'''Cache Speed''' | |||
|+ | |||
|3F | |||
|1 byte | |||
|3 cycles | |||
|3 cycles | |||
|1 cycle | |||
|} | |||
{| class="wikitable" style="float:right;clear:right;width:30%" | {| class="wikitable" style="float:right;clear:right;width:30%" | ||
!colspan="9"|Flags | !colspan="9"|Flags Affected | ||
|+ | |+ | ||
|B | |B | ||
|ALT1 | |[[ALT1]] | ||
|ALT2 | |[[ALT2]] | ||
|O/V | |[[O/V]] | ||
|S | |S | ||
|CY | |[[CY]] | ||
|Z | |Z | ||
|+ | |+ | ||
Line 20: | Line 34: | ||
|. | |. | ||
|} | |} | ||
'''ALT3''' is a [[Super FX]] flag prefix instruction that sets both the [[ALT1]] and [[ALT2]] flags. | |||
Unlike ALT1 and ALT2 however, ALT3 is only an instruction and not also the name of a flag itself. | |||
=== External Links === | |||
* Official Nintendo documentation on ALT3: 9.10 on [https://archive.org/details/SNESDevManual/book2/page/n165 page 2-9-9 of Book II] | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category: | [[Category:Super FX]] | ||
[[Category: | [[Category:Flag Prefix Instructions]] | ||
[[Category:One-byte Instructions]] |
Latest revision as of 11:28, 21 December 2023
Basic Info | |||||||
---|---|---|---|---|---|---|---|
Opcode | Length | ROM Speed | RAM Speed | Cache Speed | |||
3F | 1 byte | 3 cycles | 3 cycles | 1 cycle |
Flags Affected | ||||||||
---|---|---|---|---|---|---|---|---|
B | ALT1 | ALT2 | O/V | S | CY | Z | ||
0 | 1 | 1 | . | . | . | . |
ALT3 is a Super FX flag prefix instruction that sets both the ALT1 and ALT2 flags.
Unlike ALT1 and ALT2 however, ALT3 is only an instruction and not also the name of a flag itself.
External Links
- Official Nintendo documentation on ALT3: 9.10 on page 2-9-9 of Book II