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BMI (SPC700): Difference between revisions

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'''BMI''' is an [[SPC700]] instruction that performs a branch when the [[negative flag]] is set.
'''BMI''' is an [[SPC700]] instruction that performs a branch when the [[negative flag]] is set.
No flags are affected.
==== Syntax ====
<pre>
BMI rel
</pre>
Where rel is a two's complement offset.


=== See Also ===
=== See Also ===
Line 43: Line 52:


=== External Links ===
=== External Links ===
* Official Super Nintendo development manual on BMI: [https://archive.org/details/SNESDevManual/book1/page/n234 Appendix C-8 of Book I]
* Official Super Nintendo development manual on BMI: Table C-15, [https://archive.org/details/SNESDevManual/book1/page/n233 Appendix C-8 of Book I]
* anomie: https://github.com/yupferris/TasmShiz/blob/master/spc700.txt#L361


[[Category:ASM]]
[[Category:ASM]]
[[Category:SPC700]]
[[Category:SPC700]]
[[Category:Branching Commands]]
[[Category:Branching Commands]]

Latest revision as of 21:58, 4 August 2024

Basic Info
Addressing Mode Opcode Length Speed
Program Counter Relative 30 2 bytes when condition is false: 2 cycles

when condition is true: 4 cycles

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

BMI is an SPC700 instruction that performs a branch when the negative flag is set.

No flags are affected.

Syntax

BMI rel

Where rel is a two's complement offset.

See Also

External Links