Re: [cc65] C64 Cartridge Program

From: Spiro Trikaliotis <ml-cc651trikaliotis.net>
Date: 2007-05-18 08:14:58
Hello Bill,

* On Thu, May 17, 2007 at 11:32:47PM -0400 Bill Katsak wrote:
 
>    To get to this point, I had to add some kernal initialization
>    instructions right after the header bytes:
> 
> 
>    stx $d016

Although the original KERNAL performs this STX, it is not necessary. You
can leave it out.

It is this STX which makes the screen smaller when you press a hardware
RESET button, or perform a SYS 64738.

 
>    I also had to comment out the lines that disable the BASIC ROM (with
>    these in, it hangs on boot).
[...]

To follow this problem and the others mentioned, it might be better if
you provide a small (!) sample which demonstrates the problems, so we
can follow them.

 
>    Does anyone know what I have to do to make this work? Some type of
>    additional kernal initialization routine?

I doubt it to be the KERNAL. - Although: Doesn't cc65 switch to
lowercase mode? The initialization from above does not do this, it used
the uppercase mode of the C64.

Regards,
   Spiro.

-- 
Spiro R. Trikaliotis                              http://opencbm.sf.net/
http://www.trikaliotis.net/                     http://www.viceteam.org/
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Received on Fri May 18 08:15:16 2007

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