Re: A83: question
[Prev][Next][Index][Thread]
Re: A83: question
why not just use the bit command.
ld b,3
;-
bit 0,b ; if z then even : if nz then odd
//Olle
Scott Dial wrote:
>
> Avoid using romcalls and op's at all costs!!! Unless your are doing fp
> math... You waste time and bytes by using a fp romcall on a integer.
> simply using the following code (For those that can't figure it out) is
> much, much, much more affective:
>
> ;This is to answer his question "If the value 3 was in b"
> ld b,3
> ld a,1
> and b ;If z then even : If nz then odd
>
> Edub311@aol.com wrote:
> >
> > Hey guys,
> > Get the ASM Guru help file by james matthews from dimension-ti.org.
> > There are almost all the z80 romcalls and everything you need to know about
> > 83 ASM. In it i found a romcall called _ckodd (4326h). The checks whether
> > op1 odd. The Zero flag is set to zero if it is odd (jp z,ODD).
> >
> >
> > Bud
>
> --
> Scott "_Wrath_" Dial
> homosapian@geocities.com
> ICQ#3608935
> http://www.geocities.com/~homosapian/
Follow-Ups:
References: