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SEI

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SEI (SEt Interrupt) is a 65c816 instruction that disables maskable interrupts.


Basic Info
Addressing Mode	Opcode	Length	Speed
implied	78	1 byte	2 cycles


Flags Clobbered
N	V	M	X	D	I	Z	C
.	.	.	.	.	1	.	.

External Links

Eyes & Lichty page on SEI: https://archive.org/details/0893037893ProgrammingThe65816/page/n527
Labiak page on SEI: https://archive.org/details/Programming_the_65816/page/n192
MCS6500 Manual page on SEI: https://archive.org/details/mos_microcomputers_programming_manual/page/n41

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