We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
BCC: Difference between revisions
From SnesLab
(added syntax) |
|||
| Line 36: | Line 36: | ||
'''BCC''' (Branch if Carry Clear) is a 65x instruction that performs a jump if the [[carry flag]] is clear. An alternate mnemonic is "BLT." | '''BCC''' (Branch if Carry Clear) is a 65x instruction that performs a jump if the [[carry flag]] is clear. An alternate mnemonic is "BLT." | ||
==== Syntax ==== | |||
<pre> | |||
BCC nearlabel | |||
BLT nearlabel | |||
</pre> | |||
=== See Also === | === See Also === | ||
Revision as of 21:53, 6 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Program Counter Relative | 90 | 2 byte | 2 cycles | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | . | . | . | |
BCC (Branch if Carry Clear) is a 65x instruction that performs a jump if the carry flag is clear. An alternate mnemonic is "BLT."
Syntax
BCC nearlabel BLT nearlabel
See Also
External Links
- Eyes & Lichty page 428, on BCC: https://archive.org/details/0893037893ProgrammingThe65816/page/n454
- Labiak page 118 on BCC: https://archive.org/details/Programming_the_65816/page/n128
- MCS6500 Manual page 40 on BCC: https://archive.org/details/mos_microcomputers_programming_manual/page/n55
- Carr page 248 on BCC: https://archive.org/details/6502UsersManual/page/n261
- Leventhal page 3-43 on BCC: https://archive.org/details/6502-assembly-language-programming/page/n92
- snes9x implementation of BCC: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1360