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BVC: Difference between revisions

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* [[Labiak]] page 128 on BVC: https://archive.org/details/Programming_the_65816/page/n138
* [[Labiak]] page 128 on BVC: https://archive.org/details/Programming_the_65816/page/n138
* [[MCS6500 Manual]] page on BVC: https://archive.org/details/mos_microcomputers_programming_manual/page/n56
* [[MCS6500 Manual]] page on BVC: https://archive.org/details/mos_microcomputers_programming_manual/page/n56
* [[Carr]] page on BVC: https://archive.org/details/6502UsersManual/page/n265
* [[Carr]] page 252 on BVC: https://archive.org/details/6502UsersManual/page/n265
* [[Leventhal]] page 3-51 on BVC: https://archive.org/details/6502-assembly-language-programming/page/n100
* [[Leventhal]] page 3-51 on BVC: https://archive.org/details/6502-assembly-language-programming/page/n100
* snes9x implementation of BVC: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1395
* snes9x implementation of BVC: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1395

Revision as of 06:41, 5 December 2023

Basic Info
Addressing Mode Opcode Length Speed
Program Counter Relative 50 2 bytes 2 cycles*
Flags Affected
N V M X D I Z C
. . . . . . . .

BVC is a 65x instruction that performs a branch if the overflow flag is clear.

Cycle Penalties
  • BVC takes one extra cycle if the branch is taken
  • BVC takes another extra cycle if that branch taken crosses a page boundary in emulation mode.

See Also

External Links