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SET1 (SPC700): Difference between revisions

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(→‎External Links: more correct subparagraph terminology)
 
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|'''Speed'''
|'''Speed'''
|+
|+
|[[Direct Page Addressing | Direct Page]]
|[[Direct Page Bit Addressing | Direct Page Bit]]
|02
|02
|2 bytes
|2 bytes
|4 cycles
|4 cycles
|+
|+
|[[Direct Page Addressing | Direct Page]]
|[[Direct Page Bit Addressing | Direct Page Bit]]
|22
|22
|2 bytes
|2 bytes
|4 cycles
|4 cycles
|+
|+
|[[Direct Page Addressing | Direct Page]]
|[[Direct Page Bit Addressing | Direct Page Bit]]
|42
|42
|2 bytes
|2 bytes
|4 cycles
|4 cycles
|+
|+
|[[Direct Page Addressing | Direct Page]]
|[[Direct Page Bit Addressing | Direct Page Bit]]
|62
|62
|2 bytes
|2 bytes
|4 cycles
|4 cycles
|+
|+
|[[Direct Page Addressing | Direct Page]]
|[[Direct Page Bit Addressing | Direct Page Bit]]
|82
|82
|2 bytes
|2 bytes
|4 cycles
|4 cycles
|+
|+
|[[Direct Page Addressing | Direct Page]]
|[[Direct Page Bit Addressing | Direct Page Bit]]
|A2
|A2
|2 bytes
|2 bytes
|4 cycles
|4 cycles
|+
|+
|[[Direct Page Addressing | Direct Page]]
|[[Direct Page Bit Addressing | Direct Page Bit]]
|C2
|C2
|2 bytes
|2 bytes
|4 cycles
|4 cycles
|+
|+
|[[Direct Page Addressing | Direct Page]]
|[[Direct Page Bit Addressing | Direct Page Bit]]
|E2
|E2
|2 bytes
|2 bytes
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|}
|}


'''SET1''' is an [[SPC700]] command that sets a bit in a [[direct page]] byte.  The byte following the opcode determines which byte.  The high nibble of the opcode determines which bit within that byte.
'''SET1''' is an [[SPC700]] command that sets a bit in a [[direct page]] byte.  The byte following the opcode determines which byte.  The most significant 3 bits of the opcode determines which bit within that byte.


=== See Also ===
=== See Also ===
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=== External Links ===
=== External Links ===
* Official Nintendo documentation on SET1: Table C-18 in [https://archive.org/details/SNESDevManual/book1/page/n234 Appendix C-9 of Book I]
* Official Nintendo documentation on SET1: Table C-18 in [https://archive.org/details/SNESDevManual/book1/page/n234 Appendix C-9 of Book I]
* [https://archive.org/details/SNESDevManual/book1/page/n186 page 3-8-8], lbid.
* subparagraph 8.2.3.1 of [https://archive.org/details/SNESDevManual/book1/page/n186 page 3-8-8], lbid.
* http://www.ffviman.fr/switch-snes/sf-sound.html
* http://www.ffviman.fr/switch-snes/sf-sound.html



Latest revision as of 13:22, 29 December 2023

Basic Info
Addressing Mode Opcode Length Speed
Direct Page Bit 02 2 bytes 4 cycles
Direct Page Bit 22 2 bytes 4 cycles
Direct Page Bit 42 2 bytes 4 cycles
Direct Page Bit 62 2 bytes 4 cycles
Direct Page Bit 82 2 bytes 4 cycles
Direct Page Bit A2 2 bytes 4 cycles
Direct Page Bit C2 2 bytes 4 cycles
Direct Page Bit E2 2 bytes 4 cycles
Flags Affected
N V P B H I Z C
. . . . . . . .

SET1 is an SPC700 command that sets a bit in a direct page byte. The byte following the opcode determines which byte. The most significant 3 bits of the opcode determines which bit within that byte.

See Also

External Links