Re: A86: HI.
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Re: A86: HI.
True, but what about high scores, like ZTetris? That is one of it's
greatest features.
> Don't do it like that! Program writeback is bad! Save the variables in a
> hidden variable, such as %game (replacing "game" with a distinctive title
> for your game). This has a few advantages, the biggest of which is that if
> the game is transferred to another calculator, the data doesn't go with
it,
> which is (almost always) a good thing.
> ----- Original Message -----
> From: David Phillips <david@acz.org>
> To: <assembly-86@lists.ticalc.org>
> Sent: Friday, December 10, 1999 11:55 PM
> Subject: Re: A86: HI.
>
>
> > Write back. Store the variables inside your program like this:
> >
> > GameSaveData: ; put this somewhere like the end of your program
> > ...
> > PlayerMoney: .dw 0
> > PlayerLevel: .dw 0
> > ...
> > GameSaveDataSize = $ - GameSaveData
> >
> > Then write it back with a routine like this:
> >
> > ld hl,ProgramVar-1
> > rst 20h
> > rst 10h
> > call _ex_ahl_bde
> > ld de,GameSaveData-_asm_exec_ram+4
> > add hl,de
> > adc a,0
> > call _set_abs_dest_addr
> > sub a
> > ld hl,GameSaveData
> > call _set_abs_src_addr
> > ld hl,GameSaveDataSize
> > call _set_mm_num_bytes
> > call _mm_ldir
> > ret
> >
> > ProgramVar:
> > .db 4,"name" ; 4 is the number of chars in 'name', which is the
> > program variable's name
> >
> > Note that I haven't done any 86 coding in a while and I just ripped this
> > from my last project, so there could be a more optimized way...
>
>
>
>
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