Re: A86: More beginner questions

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Re: A86: More beginner questions


>> 19 t-states with carry, 20 t-states without add a,h            ;4
t-states ld
>> h,a                ;4 t-states
>>  jr nc,skip            ;7 or 12 t-states
>>  inc l                    ;4 t-states
>> skip:
>
>  That looked screwy, so here it is again:
>
>   add a,h            ;4 t-states
>   ld h,a                ;4 t-states
>   jr nc,skip            ;7 or 12 t-states
>   inc l                    ;4 t-states
>skip:


Hmm..shouldnt it be -

    add a, l
    ld l, a
    jr nc, skip
    inc h
skip:

Which would be 19 T states or 24T. This gives an average of 21.5 T cycles,
which is 1.5 T faster then mine. Hey, my routine wasn't that bad for only
working with the z80 for little over half a year

Later,
    Matt
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