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SBC: Difference between revisions

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(→‎External Links: Carr page)
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* [[Labiak]] page 179 on SBC: https://archive.org/details/Programming_the_65816/page/n189
* [[Labiak]] page 179 on SBC: https://archive.org/details/Programming_the_65816/page/n189
* [[MCS6500 Manual]] page on SBC: https://archive.org/details/mos_microcomputers_programming_manual/page/n29
* [[MCS6500 Manual]] page on SBC: https://archive.org/details/mos_microcomputers_programming_manual/page/n29
* [[Carr]] page on SBC: https://archive.org/details/6502UsersManual/page/n284
* [[Carr]] page 271 on SBC: https://archive.org/details/6502UsersManual/page/n284
* [[Leventhal]] page 3-91 on SBC: https://archive.org/details/6502-assembly-language-programming/page/n140
* [[Leventhal]] page 3-91 on SBC: https://archive.org/details/6502-assembly-language-programming/page/n140
* snes9x implementation of SBC: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1133
* snes9x implementation of SBC: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1133

Revision as of 05:00, 5 December 2023

Basic Info
Addressing Mode Opcode Length Speed
Immediate E9 2 bytes 2 cycles*
Absolute ED 3 bytes 4 cycles*
Absolute Long EF 4 bytes 5 cycles*
Direct Page E5 2 bytes 3 cycles*
Direct Page Indirect F2 2 bytes 5 cycles*
Direct Page Indirect Long E7 2 bytes 6 cycles*
absolute indexed by X FD 3 bytes 4 cycles*
absolute long indexed by X FF 4 bytes 5 cycles*
absolute indexed by Y F9 3 bytes 4 cycles*
direct page indexed by X F5 2 bytes 4 cycles*
direct page indirect indexed by X E1 2 bytes 6 cycles*
direct page indirect indexed by Y F1 2 bytes 5 cycles*
direct page indirect long indexed by Y F7 2 bytes 6 cycles*
Stack Relative E3 2 bytes 4 cycles*
stack relative indirect indexed by Y F3 2 bytes 7 cycles*
Flags Affected
N V M X D I Z C
. . . .

SBC (Subtract with Carry/Borrow) is 65x instruction that performs a subtraction.

See Also

External Links