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CBNE (SPC700): Difference between revisions
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'''CBNE''' is an [[SPC700]] instruction that performs a comparison and then | '''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. | ||
{| class="wikitable" style="float:right;clear:right;width:30%" | |||
!colspan="8"|Basic Info | |||
|+ | |||
|'''Addressing Mode''' | |||
|'''Opcode''' | |||
|'''Length''' | |||
|'''Speed''' | |||
|+ | |||
| | |||
|2E | |||
|3 bytes | |||
|5 or 7 cycles | |||
|+ | |||
| | |||
|DE | |||
|3 bytes | |||
|6 or 8 cycles | |||
|} | |||
{| class="wikitable" style="float:right;clear:right;width:30%" | |||
!colspan="8"|Flags Clobbered | |||
|+ | |||
|N | |||
|V | |||
|P | |||
|B | |||
|H | |||
|I | |||
|Z | |||
|C | |||
|+ | |||
|. | |||
|. | |||
|. | |||
|. | |||
|. | |||
|. | |||
|. | |||
|. | |||
|} | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:SPC700]] | [[Category:SPC700]] | ||
[[Category:Branching Commands]] |
Revision as of 16:10, 7 May 2023
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.
Basic Info | |||||||
---|---|---|---|---|---|---|---|
Addressing Mode | Opcode | Length | Speed | ||||
2E | 3 bytes | 5 or 7 cycles | |||||
DE | 3 bytes | 6 or 8 cycles |
Flags Clobbered | |||||||
---|---|---|---|---|---|---|---|
N | V | P | B | H | I | Z | C |
. | . | . | . | . | . | . | . |