GETC (Super FX): Difference between revisions

Latest revision as of 03:09, 4 July 2024


Basic Info
Addressing Mode	Opcode	Length	ROM Speed	RAM Speed	Cache Speed
Implied (type 1)	DF	1 byte	3 to 10 cycles	3 to 9 cycles	1 to 6 cycles


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

GETC (Get Color) is a Super FX instruction that loads a color into the color register from the ROM buffer.

Official Super Nintendo development manual on GETC: paragraph 9.39 on Page 2-9-57 of Book II
subparagraph 8.1.2 SET COLOR (COLOR, GETC) on page 2-8-4, lbid.

@@ Line 1: / Line 1: @@
-{| class="wikitable" style="float:right;clear:right;width:40%"
+{| class="wikitable" style="float:right;clear:right;width:50%"
 !colspan="8"|Basic Info
 |+
+|'''Addressing Mode'''
 |'''Opcode'''
 |'''Length'''
@@ Line 8: / Line 9: @@
 |'''Cache Speed'''
 |+
+|[[Implied]] (type 1)
 |DF
 |1 byte
@@ Line 16: / Line 18: @@
 {| class="wikitable" style="float:right;clear:right;width:30%"
-!colspan="9"|Flags Clobbered
+!colspan="9"|Flags Affected
 |+
-|B
+|[[B Flag|B]]
-|ALT1
+|[[ALT1]]
-|ALT2
+|[[ALT2]]
-|O/V
+|[[O/V]]
-|S
+|[[Sign Flag|S]]
-|CY
+|[[CY]]
 |Z
 |+
@@ Line 35: / Line 37: @@
 |}
-'''GETC''' is a [[Super FX]] instruction that loads a color into the [[color register]].
+'''GETC''' (Get Color) is a [[Super FX]] instruction that loads a color into the [[color register]] from the [[ROM buffer]].
 === See Also ===
 * [[GETB]]
+* [[COLOR]]
+* [[Bitmap Emulation]]
 === External Links ===
-* Official Nintendo documentation on GETC: [https://archive.org/details/SNESDevManual/book2/page/n213 Page 2-9-57 of Book II]
+* Official Super Nintendo development manual on GETC: paragraph 9.39 on [https://archive.org/details/SNESDevManual/book2/page/n213 Page 2-9-57 of Book II]
+* subparagraph 8.1.2 SET COLOR (COLOR, GETC) on [https://archive.org/details/SNESDevManual/book2/page/n143 page 2-8-4], lbid.
 [[Category:ASM]]
 [[Category:Super FX]]
 [[Category:Data Transfer Instructions]]
+[[Category:One-byte Instructions]]