[A83] Re: ugly symbols with an directory list
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[A83] Re: ugly symbols with an directory list
Mark PK writes:
> I tried to use that skipcounter, but when I use it, the symbols are
> gone, but you can't see anymore if a program is protected or
> unprotected because the accumulator register is used by the
> skipcounter.
Save the byte in a different register, or use a variable, like you have for
skipcounter.
> push af
> ld a,(skipcounter)
> dec a ;is skipcounter=1?
> jr nz,badprog ;if no, skip this program
> pop af
Don't do that. If you push something, you have to pop it. Otherwise, you
will trash the stack, as you have already experienced.
> And another problem: how can I check that the accumulator register
> contains a # or ! ..?
cp '#'
jr z,accumulator_contains_hash
--
David Phillips <david@acz.org>
http://david.acz.org/
References: