CMODE (Super FX): Difference between revisions

Latest revision as of 11:23, 21 December 2023


Basic Info
Opcode	Length	ROM Speed	RAM Speed	Cache Speed
3D4E	2 bytes	6 cycles	6 cycles	2 cycle


Flags Affected
B	ALT1	ALT2	O/V	S	CY	Z
0	0	0	.	.	.	.


Color/Plot flags
Plot Transparent	Plot Dither	Color Src High	Color Frz High	Object Mode
Bit 0 of src	Bit 1 of src	Bit 2 of src	Bit 3 of src	Bit 4 of src

CMODE is a Super FX instruction that specifies execution modes. It sets plot and color related flags based on the low 5 bits of the source register.

@@ Line 1: / Line 1: @@
-'''CMODE''' is a [[Super FX]] instruction that specifies [[execution modes]].
 {| class="wikitable" style="float:right;clear:right;width:40%"
 !colspan="8"|Basic Info
@@ Line 18: / Line 16: @@
 {| class="wikitable" style="float:right;clear:right;width:30%"
-!colspan="9"|Flags Clobbered
+!colspan="9"|Flags Affected
 |+
 |B
-|ALT1
+|[[ALT1]]
-|ALT2
+|[[ALT2]]
-|O/V
+|[[O/V]]
 |S
-|CY
+|[[CY]]
 |Z
 |+
@@ Line 36: / Line 34: @@
 |.
 |}
+{| class="wikitable" style="float:right;clear:right;width:30%"
+!colspan="9"|Color/Plot flags
+|+
+|Plot Transparent
+|Plot Dither
+|Color Src High
+|Color Frz High
+|Object Mode
+|+
+|Bit 0 of src
+|Bit 1 of src
+|Bit 2 of src
+|Bit 3 of src
+|Bit 4 of src
+|}
+'''CMODE''' is a [[Super FX]] instruction that specifies [[execution modes]]. It sets plot and color related flags based on the low 5 bits of the [[source register]].
+=== See Also ===
+* [[Transparency Flag]]
+* [[Dither Flag]]
 === External Links ===
-* Official Nintendo documentation on CMODE: https://archive.org/details/SNESDevManual/book2/page/n195
+* Official Nintendo documentation on CMODE: 9.28 on [https://archive.org/details/SNESDevManual/book2/page/n195 Page 2-9-39 of Book II]
+* example: [https://archive.org/details/SNESDevManual/book2/page/n196 Page 2-9-40], lbid.
 [[Category:ASM]]
 [[Category:Super FX]]
 [[Category:Plot-related Instructions]]
+[[Category:Two-byte Instructions]]