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BEQ: Difference between revisions

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=== External Links ===
=== External Links ===
* [[Eyes & Lichty]] page 430, on BEQ: https://archive.org/details/0893037893ProgrammingThe65816/page/n456
* [[Eyes & Lichty]] page 430, on BEQ: https://archive.org/details/0893037893ProgrammingThe65816/page/430
* [[Labiak]] page 120 on BEQ: https://archive.org/details/Programming_the_65816/page/n130
* [[Labiak]] page 120 on BEQ: https://archive.org/details/Programming_the_65816/page/n130
* [[MCS6500 Manual]] page 41 on BEQ: https://archive.org/details/mos_microcomputers_programming_manual/page/n56
* [[MCS6500 Manual]] page 41 on BEQ: https://archive.org/details/mos_microcomputers_programming_manual/page/n56

Revision as of 02:11, 15 July 2024

Basic Info
Addressing Mode Opcode Length Speed
Program Counter Relative F0 2 bytes 2 cycles*
Flags Affected
N V M X D I Z C
. . . . . . . .

BEQ (Branch if Equal) is a 65x instruction that performs a jump if the zero flag is set.

No flags are affected.

Syntax

BEQ nearlabel
Cycle Penalties
  • BEQ takes an extra cycle if the branch is taken
  • BEQ takes another extra cycle if the branch taken crosses a page boundary in emulation mode

See Also

External Links