z80:Opcodes:RES
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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
