We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS

SBC

From SnesLab
Revision as of 22:58, 6 July 2024 by Xetheria (talk | contribs) (length can be 3 bytes in immediate admode)
Jump to: navigation, search
Basic Info
Addressing Mode Opcode Length Speed
Immediate E9 2/3 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 Indexed Indirect 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.

The difference is stored in the accumulator.

See Also

External Links