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SBC (SPC700): Difference between revisions

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=== External Links ===
=== External Links ===
* Official Nintendo documentation on SBC: https://archive.org/details/SNESDevManual/book1/page/n230
* Official Super Nintendo development manual on SBC: [https://archive.org/details/SNESDevManual/book1/page/n230 Appendix C-5 of Book I]


[[Category:ASM]]
[[Category:ASM]]
[[Category:SPC700]]
[[Category:SPC700]]

Revision as of 02:22, 8 July 2023

SBC is an SPC700 instruction that subtracts.

Basic Info
Addressing Mode Opcode Length Speed
immediate A8 2 bytes 2 cycles
A6 1 byte 3 cycles
A4 2 bytes 3 cycles
B4 2 bytes 4 cycles
A5 3 bytes 4 cycles
B5 3 bytes 5 cycles
B6 3 bytes 5 cycles
A7 2 bytes 6 cycles
B7 2 bytes 6 cycles
B9 1 byte 5 cycles
A9 3 bytes 6 cycles
B8 3 bytes 5 cycles
Flags Clobbered
N V P B H I Z C
. . .

External Links