Si Cooke wrote:
Have you tried out the Auf Wiedeshen Monty/SCPDU 6 demo from the Entropy
Experience disk yet? Because all the source code to the border scrolly on
that is available... :) (that, and I'd love to see a screen-shot of it ;))
I transferred the original disk over to a SAD again and
From: Si Owen [EMAIL PROTECTED]
Si Cooke wrote:
Have you tried out the Auf Wiedeshen Monty/SCPDU 6 demo from the
Entropy
Experience disk yet? Because all the source code to the border scrolly
on
that is available... :) (that, and I'd love to see a screen-shot of it
;))
I transferred the
Si Cooke wrote:
Hmmm... it sounds like a Simcoupe problem; the disk is standard
format; the only real difference is that I've got my QDOS on the booter;
so does that come up?
The QDOS booter is fine, it's just when loading after that. The last thing
it reads on the disk is side 0, track 52,
At 10:00 pm +0100 24/9/99, Si Owen wrote:
Mnemo demo 2, part 2 (http://www.obobo.demon.co.uk/mnemo2p2.jpg). Scroller
lined up ok, but the right hand edge has a strange stretching effect for the
edge of the character (and 'o' in this case) that's appearing.
Hard to tell from that picture, but I
At 12:50 am +0100 26/9/99, Si Owen wrote:
real SAM (it's decided the display will only be shades of green today!).
Whoa - so did mine!
Um, I suspect that's because I've got it hooked up to a greenscreen monitor
though :)
Andrew
--
-- Andrew Collier ([EMAIL PROTECTED]) --My other
Andrew Collier wrote:
The stretching effect is just the right hand side of the scrolly --
because I had assumed a TV doesn't display further right,
Ah, yeah, I stepped thru it and found the preparations for the next line :-)
So... that scrolly was written on the assumption that the left
Comments and/or corrections on any of the above would be greatly
appreciated!
Have you tried out the Auf Wiedeshen Monty/SCPDU 6 demo from the Entropy
Experience disk yet? Because all the source code to the border scrolly on
that is available... :) (that, and I'd love to see a screen-shot of it
Si Cooke wrote:
Have you tried out the Auf Wiedeshen Monty/SCPDU 6 demo from the Entropy
Experience disk yet? Because all the source code to the border scrolly on
that is available... :) (that, and I'd love to see a screen-shot of it ;))
Do you have a disk image of it anywhere? I've got a
On Fri, Sep 24, 1999 at 07:49:51PM +0100, David Laundon wrote:
PUSH HL takes 16 tstates (but only 24 during screen contention)
True.
and CALL nn
takes 24 tstates (but only 40 during screen contention). I'm not sure if
RSTs and
Ian Collier wrote:
True.
...
I would assume so.
...
Also correct. :o)
Well, I try my best :-)
maybe having a common routine for 'memory accesses' which adjusts to the
next 4-tstate or 8-tstate boundary *at that point* rather than trying to
work it all out when the instruction starts.
Andrew Collier wrote:
16* uncontended t-states for an IN a,(n) or OUT (n),a;
20** uts for an IN a,(c) or OUT (c),a.
Question: Does SimCoupe currently use those values for the
instruction time?
Not quite so fixed as the position in the scanline can vary the timings by 4
t-states. I currently
On Fri, Sep 24, 1999 at 06:36:41PM +0100, Si Owen wrote:
I've noticed that some places where the video timing isn't quite right seems
to involve DJNZ for tight delay loops. The width of the scroller section
used by the E-Tunes demo is mainly just one such loop. Is there anything
special
Si Owen wrote:
Now I've implemented the display changes (border, palette and/or video
mode)
to instruction level it's possible to see how it copes with some of the
SAM
demos that rely on perfect timing. In general it seems to cope quite
well,
but there still seem to be some subtle timing
Question: Does SimCoupe currently use those values for the instruction
time?
What other ports should I try, which might not involve the added ASIC
delay?
Any below E0, I believe...
Si
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