[retroforth] Re: Reva: question about 'key'
- From: "Helmar Wodtke" <helmwo@xxxxxx>
- To: retroforth@xxxxxxxxxxxxx
- Date: Sun, 30 Jan 2005 22:58:04 +0100
retroforth@xxxxxxxxxxxxx schrieb am 30.01.05 22:55:28:
>
> retroforth@xxxxxxxxxxxxx schrieb am 30.01.05 22:38:52:
> >
> >
> > On Sun, January 30, 2005 13:18, Helmar Wodtke said:
> > > Hi Ron,
> > > Reva returns in the higher 24 bits sometimes trash if I call "key". Is
> > > this
> > > intended behaviour? I currently help myself with something like:
> > >
> > > ' key : key [ compile ] 255 and ;
> >
> > I don't understand why. Reva uses the exact same code as Retro - it should
> > not behave any differently.
> It uses a position to store the buffer that is not on stack?
> Probably this is the problem.
>
> > > Also I figured out that Reva seems to crash sometimes when I press ^D
> > > (which
> > > terminates input on Linux).
> > > I know that Retro does not stop reading from input, when I press ^D, but
> > > Reva
> > > seems abolutely not to like it. Can you verify this?
> >
> > It doesn't crash for me
>
> Mhm. Retro does not crash, but Reva does. I try another asm definition for
> "key"...
> Wait a minute.
FORTH 'key', key
dup
push ebx,ecx,edx
sub ebx,ebx ;0 = stdin
mov edx, 1 ;count
push ebx
mov ecx,esp
mov eax, 3 ;sys_read
int 80h
pop eax
pop ebx,ecx,edx
ret
Does not crash :)
Bis dann,
Helmar
helmwo@xxxxxx
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