z80:Opcodes:RES

From Learn @ Cemetech
Revision as of 17:06, 5 February 2016 by Maintenance script (talk | contribs) (Initial automated import)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

Resets the specified byte to zero.

Syntax

   res n,op8

Allowed Instructions

   res n,a
   res n,b
   res n,c
   res n,d
   res n,e
   res n,h
   res n,l
   res n,(hl)
   res n,(ix+n)
   res n,(iy+n)

Effects

Flags are preserved.

Uses

T-States

r denotes 8-bit register.

r 8
(hl) 15
(ix+X) 23
(iy+X) 23

See Also

AND,BIT,CCF,CPL,OR,SCF,SET,XOR