CBNE (SPC700): Difference between revisions

Revision as of 20:26, 23 July 2023


Basic Info
Addressing Mode	Opcode	Length	Speed
Direct Page / Program Counter Relative	2E	3 bytes	when condition is false: 5 cycles when condition is true: 7 cycles
Direct Page Indexed by X / Program Counter Relative	DE	3 bytes	when condition is false: 6 cycles when condition is true: 8 cycles


Flags Affected
N	V	P	B	H	I	Z	C
.	.	.	.	.	.	.	.

CBNE is an SPC700 instruction that performs a comparison between the accumulator and a direct page value and then branches if they are not equal.

@@ Line 7: / Line 7: @@
 |'''Speed'''
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-|
+|[[Direct Page]] / [[Program Counter Relative]]
 |2E
 |3 bytes
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 when condition is true: 7 cycles
 |+
-|
+|[[Direct Page Indexed by X]] / [[Program Counter Relative]]
 |DE
 |3 bytes
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-!colspan="8"|Flags Clobbered
+!colspan="8"|Flags Affected
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 |N