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BCS: Difference between revisions
From SnesLab
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No flags are affected. | No flags are affected. | ||
==== Syntax ==== | |||
<pre> | |||
BCS nearlabel | |||
BGE nearlabel | |||
</pre> | |||
=== See Also === | === See Also === | ||
Revision as of 21:56, 6 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Program Counter Relative | B0 | 2 bytes | 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."
No flags are affected.
Syntax
BCS nearlabel BGE nearlabel
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