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SEP: Difference between revisions

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'''SEP''' (Set Status Bits) is a [[65c816]] instruction that sets bits in the [[status register]] that correspond to set bits in the operand.
'''SEP''' (Set Status Bits) is a [[65c816]] instruction that sets bits in the [[status register]] that correspond to set bits in the operand.


SEP appears to be the only way to set the m and x flags other than [[PLP]] and [[RTI]].
SEP is the only way to set the m and x flags directly (but [[PLP]] and [[RTI]] may set them too.)


==== Syntax ====
==== Syntax ====

Revision as of 03:43, 8 July 2024

Basic Info
Addressing Mode Opcode Length Speed
Immediate E2 2 bytes 3 cycles
Flags Affected
N V M X D I Z C
emulation mode . .
native mode

SEP (Set Status Bits) is a 65c816 instruction that sets bits in the status register that correspond to set bits in the operand.

SEP is the only way to set the m and x flags directly (but PLP and RTI may set them too.)

Syntax

SEP #nvmxdizc

See Also

External Links