NLMSX v0.29 released

2000-09-14 Thread Frits Hilderink


New in NLMSX v0.29:

- Added full support for a normal SCC.
- Added full support for a SCC+ with 128kyte ram.
- Added a SCC+ memory type.
- Multiple SCC/SCC+ cartridge combinations are possible.
- Changed the arabic configuration. Memory mapper in slot 3-2
  and the disk rom in slot 3-3. Thanks to Husni Lutfi.
- Rewrote sound mixing to fully use DirectSound's own mixing algorithms.
- Scanlines are removed, but this may give performance problems.

Please report any problems to: [EMAIL PROTECTED]

Goto:

http://nlmsx.generation-msx.nl


Greetings,
Frits



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Re: NLMSX v0.29 released

2000-09-14 Thread Maarten ter Huurne

On Thu, 14 Sep 2000, you wrote:

 - Scanlines are removed, but this may give performance problems.

What do you mean with "scanlines are removed"?
Are you emulating VDP state changes with pixel precision?

By the way, are you coming to Bussum? Maybe it would be fun to discuss MSX 
emulator programming there with a group of people. David seems to be coming 
as well and there are probably other people interested in this topic.

Is there someone who will bring a powerful Linux box to the Bussum marathon? 
If I can access a machine with 16bpp (or more) and about 500MHz (or more), I 
can show some work in progress.

Bye,
Maarten



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RE: NLMSX v0.29 released

2000-09-14 Thread Frits Hilderink

 
  - Scanlines are removed, but this may give performance problems.
 
 What do you mean with "scanlines are removed"?
 Are you emulating VDP state changes with pixel precision?

In the previous versions of NLMSX every second line was a black line.
This meant that only half the image had to be rendered.

In this version every line is fully rendered. This does have a
performance impact. But without synchronisation, this version can render
upto 140 frames/second on a P-II 400 Mhz with an old Riva-TNT card
and with 8 sound channels enabled (PSG + SCC). Btw. you need only
50 or 60 frames/second ... So i thought why not ?

This screen looks better and more brighter than the old versions.

Pixel precision is something that i want to do. But i haven't got
time to really work it out yet.

 
 By the way, are you coming to Bussum? Maybe it would be fun 
 to discuss MSX 
 emulator programming there with a group of people. David 
 seems to be coming 
 as well and there are probably other people interested in this topic.

I'd like to. Is there anyone else in the neighbourhood of Hengelo (OV)
that also wants to go ?


Frits



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Re: NLMSX v0.29 released

2000-09-14 Thread Thom Zwagers

  
   - Scanlines are removed, but this may give performance problems.
  
  What do you mean with "scanlines are removed"?
  Are you emulating VDP state changes with pixel precision?
 
 In the previous versions of NLMSX every second line was a black line.
 This meant that only half the image had to be rendered.
 This screen looks better and more brighter than the old versions.
 

Personally, I like the 25 % scanline option from ZSNES! This way, it looks
the same as it looks on a tv screen (approximately, of course). 

Keep up the good work,

Thom


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