We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS

INX: Difference between revisions

From SnesLab
Jump to: navigation, search
(→‎External Links: Carr page)
(never affects carry flag)
 
(13 intermediate revisions by the same user not shown)
Line 25: Line 25:
|[[C Flag|C]]
|[[C Flag|C]]
|+
|+
|
|N
|.
|.
|.
|.
Line 31: Line 31:
|.
|.
|.
|.
|
|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.
'''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 ===
=== See Also ===
Line 41: Line 46:
* [[INY]]
* [[INY]]
* [[INC]]
* [[INC]]
* [[INC (SPC700)]]
* [[INC (Super FX)]]


=== External Links ===
=== 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 143 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 260 on INX: https://archive.org/details/6502UsersManual/page/n273
* [[Carr]], [https://archive.org/details/6502UsersManual/page/n273 page 260] on INX
* [[Leventhal]] page 3-67 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
* 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:ASM]]
[[Category:Inherited from 6502]]
[[Category:Inherited from 6502]]
[[Category:One-byte Instructions]]
[[Category:One-byte Instructions]]
[[Category:Implied Instructions]]
[[Category:Two-cycle Instructions]]

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

See Also

External Links