We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
BCS: Difference between revisions
From SnesLab
(linkify admode) |
(BCC -> BCS) |
||
(4 intermediate revisions by the same user not shown) | |||
Line 35: | Line 35: | ||
|} | |} | ||
''' | '''BCS''' (Branch if Carry Set) is a 65x instruction that performs a jump if the [[carry flag]] is set. An alternate mnemonic is "BGE." | ||
=== See Also === | === See Also === | ||
Line 44: | Line 44: | ||
* [[Eyes & Lichty]] page 429, on BCS: https://archive.org/details/0893037893ProgrammingThe65816/page/n455 | * [[Eyes & Lichty]] page 429, on BCS: https://archive.org/details/0893037893ProgrammingThe65816/page/n455 | ||
* [[Labiak]] page 119 on BCS: https://archive.org/details/Programming_the_65816/page/n129 | * [[Labiak]] page 119 on BCS: https://archive.org/details/Programming_the_65816/page/n129 | ||
* [[MCS6500 Manual]] page on BCS: https://archive.org/details/mos_microcomputers_programming_manual/page/n55 | * [[MCS6500 Manual]] page 40 on BCS: https://archive.org/details/mos_microcomputers_programming_manual/page/n55 | ||
* [[Carr]] page on BCS: https://archive.org/details/6502UsersManual/page/n261 | * [[Carr]] page 248 on BCS: https://archive.org/details/6502UsersManual/page/n261 | ||
* [[Leventhal]] page on BCS: https://archive.org/details/6502-assembly-language-programming/page/n93 | * [[Leventhal]] page 3-44 on BCS: https://archive.org/details/6502-assembly-language-programming/page/n93 | ||
* snes9x implementation of BCS:https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1365 | * snes9x implementation of BCS:https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1365 | ||
Line 53: | Line 53: | ||
[[Category:Conditional Branches]] | [[Category:Conditional Branches]] | ||
[[Category:Two-byte Instructions]] | [[Category:Two-byte Instructions]] | ||
[[Category:Two-cycle Instructions]] |
Latest revision as of 11:47, 14 December 2023
Basic Info | |||||||
---|---|---|---|---|---|---|---|
Addressing Mode | Opcode | Length | Speed | ||||
Program Counter Relative | B0 | 2 byte | 2 cycles |
Flags Affected | ||||||||
---|---|---|---|---|---|---|---|---|
N | V | M | X | D | I | Z | C | |
. | . | . | . | . | . | . | . |
BCS (Branch if Carry Set) is a 65x instruction that performs a jump if the carry flag is set. An alternate mnemonic is "BGE."
See Also
External Links
- Eyes & Lichty page 429, on BCS: https://archive.org/details/0893037893ProgrammingThe65816/page/n455
- Labiak page 119 on BCS: https://archive.org/details/Programming_the_65816/page/n129
- MCS6500 Manual page 40 on BCS: https://archive.org/details/mos_microcomputers_programming_manual/page/n55
- Carr page 248 on BCS: https://archive.org/details/6502UsersManual/page/n261
- Leventhal page 3-44 on BCS: https://archive.org/details/6502-assembly-language-programming/page/n93
- snes9x implementation of BCS:https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1365