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RPIX (Super FX): Difference between revisions

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!colspan="8"|Basic Info
!colspan="8"|Basic Info
|+
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|'''Addressing Mode'''
|'''Opcode'''
|'''Opcode'''
|'''Length'''
|'''Length'''
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|'''Cache Speed'''
|'''Cache Speed'''
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|[[Implied]] (type 1)
|3D4C
|3D4C
|2 byte
|2 byte
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|[[ALT2]]
|[[ALT2]]
|[[O/V]]
|[[O/V]]
|S
|[[Sign Flag|S]]
|[[CY]]
|[[CY]]
|Z
|[[Zero Flag|Z]]
|+
|+
|0
|0
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|0
|.
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'''RPIX''' (Read PIXel) is a [[Super FX]] instruction that loads a color from the [[Game Pak]] RAM and stores it in the [[destination register]].  It does this by first loading the color into the [[color matrix]] and converting it from PPU format.
'''RPIX''' (Read PIXel) is a [[Super FX]] instruction that loads a color from the [[Game Pak]] RAM and stores it in the [[destination register]].  It does this by first loading the color into the [[color matrix]] and converting it from [[PPU]] format.
 
The X coordinate is specified by R<sub>1</sub> and the Y coordinate is specified by R<sub>2</sub>.
 
The [[ALT0]] state is restored.


The X coordinate is specified by R1 and the Y coordinate is specified by R2.
==== Syntax ====
<pre>
RPIX
</pre>


=== See Also ===
=== See Also ===
* [[PLOT]]
* [[PLOT]]
* [[COLOR]]
* [[COLOR]]
* [[GETC]]
* [[Pixel Cache]]
* [[ALT1]]


=== External Links ===
=== External Links ===
* Official Nintendo documentation on RPIX: 9.77 on [https://archive.org/details/SNESDevManual/book2/page/n263 Page 2-9-107 of Book II]
* Official Nintendo documentation on RPIX: 9.77 on [https://archive.org/details/SNESDevManual/book2/page/n263 Page 2-9-107 of Book II]
* 8.1.3.3 on [https://archive.org/details/SNESDevManual/book2/page/n148 page 2-8-9 of Book II], lbid.
* 8.1.3.3 RPIX INSTRUCTION on [https://archive.org/details/SNESDevManual/book2/page/n148 page 2-8-9 of Book II], lbid.


[[Category:ASM]]
[[Category:ASM]]

Latest revision as of 19:17, 30 July 2024

Basic Info
Addressing Mode Opcode Length ROM Speed RAM Speed Cache Speed
Implied (type 1) 3D4C 2 byte 24 to 80 cycles 24 to 78 cycles 20 to 74 cycles
Flags Affected
B ALT1 ALT2 O/V S CY Z
0 0 0 . S . Z

RPIX (Read PIXel) is a Super FX instruction that loads a color from the Game Pak RAM and stores it in the destination register. It does this by first loading the color into the color matrix and converting it from PPU format.

The X coordinate is specified by R1 and the Y coordinate is specified by R2.

The ALT0 state is restored.

Syntax

RPIX

See Also

External Links