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Type: Posts; User: PgrAm

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  1. Replies
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    Well it all seems to work. After trying it...

    Well it all seems to work.

    After trying it with reduced precision, I ended up going with the full timer precision and keeping my timestamps as 32 bit values which is not that much more expensive...
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    Yeah, you got the idea. I'm using Chuck Jones to...

    Yeah, you got the idea. I'm using Chuck Jones to test the idea out, although it's not strictly necessary for that game but it will at least makes things a bit more playable on slow hardware. Really...
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    It just has to do with the timescales I'm working...

    It just has to do with the timescales I'm working on, and wanting to keep everything in a 16 bit number when these add up, because I'm going to be accumulating these timer numbers, otherwise they...
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    Cool, Thanks Chuck. I'm gonna try it out.

    Cool, Thanks Chuck. I'm gonna try it out.
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    Thanks, I know there is a 18.2 Hz tick that is...

    Thanks,

    I know there is a 18.2 Hz tick that is supposed to be maintained, and my current interrupt manages to fake that by chaining.

    I suppose I wasn't very clear, what I'm trying to do is...
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    Is it safe to mess with the PIT timer modes?

    I'm messing with different ways to get high resolution timing in DOS, only now did I just realize you can simply read the counter from the PIT (good example here). However I don't need THAT much...
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    I did several tests on my 286 and even made a...

    I did several tests on my 286 and even made a partially unrolled version which used lodsw and stosb, this made the average cycles closer to the version with the branch however given my testing it...
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    My variation on masked blitting in Mode X

    Hey all I've been experimenting on different ways to implement transparent sprites in mode X and I came up with a method that I haven't seen before so I thought I might share.

    The image is stored...
  9. I will now, thanks for reminding me, it must have...

    I will now, thanks for reminding me, it must have slipped my mind.

    @VERAULT I have posted them in various places but I've just updated the download page to include them
  10. Demo of Chuck Jones: Space Cop of the Future now available

    Hey All,

    as many of you know, I have been working on an adventure game for DOS for what feels like an eternity. Finally a shareware demo of it is now ready for y'all to play. So without further...
  11. Glad this thread popped up, I was actually just...

    Glad this thread popped up, I was actually just looking for a CRT calibration tool.
  12. Replies
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    Lookin really good, ill have to try it out. The...

    Lookin really good, ill have to try it out. The art looks really nice too, did you make that too?
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    No worries I found a register to check that...

    No worries I found a register to check that works.

    Checking if the horizontal total register is 0x6B will tell you if an NTSC conversion TSR is installed, works with VGATV and TE.COM
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    Hmm detection seems not to be as simple as I...

    Hmm detection seems not to be as simple as I thought, I figured I could just check after setting mode 13 to see if the scan double bit was set (bit 7 of the max scan line register), however this bit...
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    Basically got it working, the line counts just...

    Basically got it working, the line counts just need to be about half of what they would be with regular Mode-X.
    49324

    There is some over scan but I think that's just the TV, I'm gonna try on my...
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    Thanks Trixter, I've been looking at some of...

    Thanks Trixter,

    I've been looking at some of the issues of DemoNews there's quite a few of them so this may take some time. Found plenty of cool stuff already in those issues so it definitely...
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    VGA timing for NTSC output with Mode X?

    Hey all,

    I've been experimenting with getting a VGA card to produce an NTSC compatible signal, right now I'm using a box called TelevEyes. The box came with a little program to reprogram the VGA...
  18. Thread: Any Nintendo 64

    by PgrAm
    Replies
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    5,234

    N64 will always hold a special place in my heart,...

    N64 will always hold a special place in my heart, kind of a funky console but has a ton of really amazing games. Spent many, many hours playing mine. Still has my favorite version of Smash Bros (I...
  19. Thanks for the updated info guys! I might find...

    Thanks for the updated info guys!

    I might find _heapshrink useful.



    Yeah I do that probably more of that I should :p.

    What I ended up doing was a mix of relying mostly on Watcom and then...
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    Yeah, I agree. There's quite a few of us on this...

    Yeah, I agree. There's quite a few of us on this forum who are interested in this kinda stuff. Would be cool to have a "Vintage Computer Music" section.
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    Wow, these are awesome tunes! absolutely killing,...

    Wow, these are awesome tunes! absolutely killing, psyched to play the game.

    I never played much PC-Engine, I had a Genesis, but the sound is definitely interesting and makes me want to check out...
  22. Thanks Man!

    Thanks Man!
  23. Sorry, its been a while, But there's a new Blog...

    Sorry, its been a while, But there's a new Blog post: https://chuckjonesdevblog.wordpress.com/2018/05/31/retro-hi-fi-sci-fi-creating-a-unique-style-for-chuck-jones-space-cop-of-the-future/
  24. I hooked 6.3v to the heater and measured again,...

    I hooked 6.3v to the heater and measured again, can't seem to find and significant variation in resistance with the red cathode vs the green and blue. So I guess there isn't a short on the tube so...
  25. I did some more research and poking around and...

    I did some more research and poking around and I'm starting to suspect the issue is a Red-Cathode to grid short, but I cant seem to measure such a short on the tube itself, though the issue seems...
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