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

CLC: Difference between revisions

From SnesLab
Jump to: navigation, search
Line 50: Line 50:
* [[MCS6500 Manual]] page on CLC: https://archive.org/details/mos_microcomputers_programming_manual/page/n40
* [[MCS6500 Manual]] page on CLC: https://archive.org/details/mos_microcomputers_programming_manual/page/n40
* [[Carr]] page on CLC: https://archive.org/details/6502UsersManual/page/n266
* [[Carr]] page on CLC: https://archive.org/details/6502UsersManual/page/n266
* [[Leventhal]] page on CLC: https://archive.org/details/6502-assembly-language-programming/page/n101
* [[Leventhal]] page 3-52 on CLC: https://archive.org/details/6502-assembly-language-programming/page/n101
* snes9x implementation of CLC: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1420
* snes9x implementation of CLC: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1420



Revision as of 08:44, 4 December 2023

Basic Info
Addressing Mode Opcode Length Speed
Implied (type 2) 18 1 byte 2 cycles
Flags Affected
N V M X D I Z C
. . . . . . . 0

CLC is a 65x instruction that clears the carry flag.

The 6502 lacks an add-without-carry instruction, so it is important to make sure the carry flag is clear before doing an ADC or else the sum will be one too great.

See Also

External Links