Re: [cc65] pcengine port problem...

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From: Groepaz (groepaz_at_gmx.net)
Date: 2003-09-29 21:56:11


On Monday 29 September 2003 21:34, Ullrich von Bassewitz wrote:
> On Sun, Sep 28, 2003 at 02:13:14AM +0200, Groepaz wrote:
> > now the question is what other library functions may suffer from this
> > problem
>
> I'm sorry but I cannot tell that out of my head. I think the compiler
> generated code to restore register variables uses "sta zp,y" for zero page
> access, so it's not enough to change just the library.

tetris actually seems to work fine now after replacing callax.... (register 
variables can be disabled for that matter, but its not a problem for now 
anyway)

mmmh... however...i'll clean up what i got and maybe also create some more 
6280-specific versions of some library functions (these block-move operations 
can probably speed up some things a lot :))

gpz

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