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DIV (SPC700): Difference between revisions
From SnesLab
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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. | Out of all the SPC700 opcodes, DIV is the slowest. To divide by a power of two, consider [[LSR]] instead. | ||
==== Syntax ==== | ==== Syntax ==== |
Revision as of 09:06, 16 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 |
. | . | . | . |
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. To divide by a power of two, consider LSR instead.
Syntax
DIV
See Also
External Links
- Official Super Nintendo development manual on DIV: Table C-13, Appendix C-8 of Book I
- anomie: https://github.com/yupferris/TasmShiz/blob/master/spc700.txt#L426