INX: Difference between revisions

Latest revision as of 20:07, 12 August 2024


Basic Info
Addressing Mode	Opcode	Length	Speed
Implied (type 1)	E8	1 byte	2 cycles


Flags Affected
N	V	M	X	D	I	Z	C
N	.	.	.	.	.	Z	.

INX is a 65x instruction that increments the X index register by one. The state of the decimal flag has no effect on the behavior of INX. Unlike ADC, INX never affects the carry flag.

Syntax

INX

External Links

Eyes & Lichty, page 457 on INX
Labiak, page 143 on INX
7.4 on MCS6500 Manual, page 97 on INX
Carr, page 260 on INX
Leventhal, page 3-67 on INX
snes9x implementation of INX: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1546
Clark, Bruce. http://www.6502.org/tutorials/65c816opcodes.html#6.1.1.3

@@ Line 15: / Line 15: @@
 {| class="wikitable" style="float:right;clear:right;width:30%"
 !colspan="8"|Flags Affected
+|+
+|[[N Flag|N]]
+|[[V Flag|V]]
+|[[M Flag|M]]
+|[[X Flag|X]]
+|[[D Flag|D]]
+|[[I Flag|I]]
+|[[Z Flag|Z]]
+|[[C Flag|C]]
 |+
 |N
-|V
-|M
-|X
-|D
-|I
-|Z
-|C
-|+
-|
 |.
 |.
@@ Line 31: / Line 31: @@
 |.
 |.
-|
+|Z
 |.
 |}
-'''INX''' is a 65x instruction that increments the [[X index register]] by one.
+'''INX''' is a 65x instruction that increments the [[X index register]] by one.  The state of the [[decimal flag]] has no effect on the behavior of INX.  Unlike [[ADC]], INX never affects the [[carry flag]].
+==== Syntax ====
+<pre>
+INX
+</pre>
 === See Also ===
+* [[DEX]]
 * [[INY]]
 * [[INC]]
+* [[INC (SPC700)]]
+* [[INC (Super FX)]]
 === External Links ===
-* [[Eyes & Lichty]] page 457, on INX: https://archive.org/details/0893037893ProgrammingThe65816/page/n483
+* [[Eyes & Lichty]], [https://archive.org/details/0893037893ProgrammingThe65816/page/457 page 457] on INX
-* [[Labiak]] page on INX: https://archive.org/details/Programming_the_65816/page/n153
+* [[Labiak]], [https://archive.org/details/Programming_the_65816/page/n153 page 143] on INX
-* [[MCS6500 Manual]] page on INX: https://archive.org/details/mos_microcomputers_programming_manual/page/n115
+* 7.4 on [[MCS6500 Manual]], [https://archive.org/details/mos_microcomputers_programming_manual/page/n115 page 97] on INX
-* [[Carr]] page on INX: https://archive.org/details/6502UsersManual/page/n273
+* [[Carr]], [https://archive.org/details/6502UsersManual/page/n273 page 260] on INX
-* [[Leventhal]] page on INX: https://archive.org/details/6502-assembly-language-programming/page/n116
+* [[Leventhal]], [https://archive.org/details/6502-assembly-language-programming/page/n116 page 3-67] on INX
 * snes9x implementation of INX: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1546
+* Clark, Bruce. http://www.6502.org/tutorials/65c816opcodes.html#6.1.1.3
 [[Category:ASM]]
 [[Category:Inherited from 6502]]
+[[Category:One-byte Instructions]]
+[[Category:Implied Instructions]]
+[[Category:Two-cycle Instructions]]