[zxspectrum] Re: Fw: New Speccy game (mc) being developed
- From: Enrico Maria Giordano <e.m.giordano@xxxxxxxxxxxxxxx>
- To: zxspectrum@xxxxxxxxxxxxx
- Date: Thu, 15 Jul 2004 14:05:28 +0200
Stefano wrote:
>
> http://www.humecol.lu.se/carl_n/ragnar.html
Bello! Un po' carente come originalità (oggi, forse all'epoca meno) ma
bello.
> http://www.humecol.lu.se/carl_n/frontscr.bmp
Molto bella!
> What I need right now is a structural memory description of the Speccy.
> What
> about system variables - if I remember correctly, they are to be found
> right
> after scr and attr memory (23296?), correct?
No, iniziano all'indirizzo 23552.
No, they start at address 23552.
> But as I won't be using any
> ROM
> routines, I could just ignore these could I and placing my code and data
> right smack at 23296 - no?
Sì. Ma attenzione agli interrupt che attualmente alterano alcune delle
variabili di sistema.
Yes. But pay attention to the interrupts that currently change some of
the system variables.
> And I find stuff by default up at the top of the memory - peeking around
> at
> 65500 returns data. Are the UDG located here or anything else?
Sì, gli UDG e, cosa più importante, lo stack.
Yes, UDG and, most important thing, the stack.
> Also, I wonder what the best way is to store integers
Non c'è un modo migliore. Ce ne sono tantissimi. Devi scegliere quello
più appropriato per il tuo programma.
There's no one best way. There are many many. You have to choose the
most appropriate for your program.
EMG
--
EMAG Software Homepage: http://www.emagsoftware.it
The EMG's ZX-Spectrum Page: http://www.emagsoftware.it/spectrum
The Best of Spectrum Games: http://www.emagsoftware.it/tbosg
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