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DIV (SPC700): Difference between revisions

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'''DIV''' is an [[SPC700]] instruction that divides the value in [[YA]] by the value in the [[X index register]] and stores the quotient in the [[accumulator]] and the remainder in the [[Y index register]].
'''DIV''' is an [[SPC700]] instruction that divides the value in [[YA]] by the value in the [[X index register]] and stores the quotient in the [[accumulator]] and the remainder in the [[Y index register]].


Out of all the SPC700 opcodes, DIV is the slowest.
DIV is the slowest SPC700 opcode.  To divide by a power of two, consider [[LSR (SPC700)|LSR]] instead.


==== Syntax ====
==== Syntax ====
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* Official Super Nintendo development manual on DIV: Table C-13, [https://archive.org/details/SNESDevManual/book1/page/n233 Appendix C-8 of Book I]
* Official Super Nintendo development manual on DIV: Table C-13, [https://archive.org/details/SNESDevManual/book1/page/n233 Appendix C-8 of Book I]
* anomie: https://github.com/yupferris/TasmShiz/blob/master/spc700.txt#L426
* anomie: https://github.com/yupferris/TasmShiz/blob/master/spc700.txt#L426
* https://helmet.kafuka.org/bboard/thread.php?id=228


[[Category:ASM]]
[[Category:ASM]]

Latest revision as of 13:58, 30 July 2024

Basic Info
Addressing Mode Opcode Length Speed
Implied (type 1) 9E 1 byte 12 cycles
Flags Affected
N V P B H I Z C
N V . . H . Z .

DIV is an SPC700 instruction that divides the value in YA by the value in the X index register and stores the quotient in the accumulator and the remainder in the Y index register.

DIV is the slowest SPC700 opcode. To divide by a power of two, consider LSR instead.

Syntax

DIV

See Also

External Links