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ALT3: Difference between revisions

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'''ALT3''' is a [[Super FX]] flag prefix instruction that sets both the [[ALT1]] and [[ALT2]] flags.
{| 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 Clobbered
!colspan="9"|Flags Affected
|+
|+
|B
|B
|ALT1
|[[ALT1]]
|ALT2
|[[ALT2]]
|O/V
|[[O/V]]
|S
|S
|CY
|[[CY]]
|Z
|Z
|+
|+
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|.
|.
|}
|}
'''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:Flags]]
[[Category:Super FX]]
[[Category:Enhancement Chips]]
[[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