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DI (SPC700): Difference between revisions
From SnesLab
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(→See Also: SPC/BRK) |
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* [[EI]] | * [[EI]] | ||
* [[RETI]] | * [[RETI]] | ||
* [[BRK (SPC700)]] | |||
* [[SEI]] | * [[SEI]] | ||
* [[CLI]] | * [[CLI]] |
Latest revision as of 00:18, 14 August 2024
Basic Info | |||||||
---|---|---|---|---|---|---|---|
Addressing Mode | Opcode | Length | Speed | ||||
Implied (type 2) | C0 | 1 byte | 3 cycles |
Flags Affected | |||||||
---|---|---|---|---|---|---|---|
N | V | P | B | H | I | Z | C |
. | . | . | . | . | 0 | . | . |
DI (Disable Interrupts) is an SPC700 instruction that clears the interrupt enable flag.
As the S-SMP has no hardware interrupt sources, DI is not very useful.
No other flags are affected.
Syntax
DI
The official manual has a typo where the zero flag is cleared instead.
See Also
External Links
- Official Super Nintendo development manual on DI: Table C-19 in Appendix C-10 of Book I
- anomie: https://github.com/yupferris/TasmShiz/blob/master/spc700.txt#L424