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Author Topic: Axe Parser on 84+CSE ?  (Read 7651 times)

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Offline MacBernick

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Axe Parser on 84+CSE ?
« on: December 27, 2013, 09:24:28 pm »
Does it work ?

thanks ^^
« Last Edit: December 27, 2013, 09:24:51 pm by MacBernick »
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Offline DJ Omnimaga

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Re: Axe Parser on 84+CSE ?
« Reply #1 on: December 27, 2013, 09:32:08 pm »
You had my hopes up for a second D:

Anyway nope, sorry, 83+/84+/SE programs will not work on the 84+CSE or vice-versa, except a few exceptions: pure-BASIC programs that are not dependent on screen dimensions nor pictures. ASM programs have to be modified in order to run on the new calc, since the screen is different.
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Offline MacBernick

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Re: Axe Parser on 84+CSE ?
« Reply #2 on: December 27, 2013, 09:35:16 pm »
Oh I see, sorry about that ^^

I need to set me up an asm toolchain then. Thanks.
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Offline DJ Omnimaga

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Re: Axe Parser on 84+CSE ?
« Reply #3 on: December 27, 2013, 09:40:20 pm »
On the other hand, there is now xLIBC/Celtic available for the color calc, although that's obviously much slower than pure Z80 ASM. For example, compare the 84+C version of my Tunnel game with the HP Prime version:
 





A Trailblazer clone in xLIBC would only be feasible with pre-rendered copies of the graphics that are drawn with a bunch of DrawSpriteList8x8A commands and movement would be tile-by-tile. In Z80 it would probably look a bit like the Prime version, but with scanlines (stuff would be drawn every two line) so the game would be 160x120, sort of.
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Offline ClrDraw

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Re: Axe Parser on 84+CSE ?
« Reply #4 on: December 28, 2013, 12:34:56 pm »
Quote
ASM programs have to be modified in order to run on the new calc, since the screen is different.

Wait. So if we changed the screen sizes on a black and white calc to fit the color screen sizes and compiled it, would it work on the color one but just display in black and white?
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Offline TheMachine02

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Re: Axe Parser on 84+CSE ?
« Reply #5 on: December 28, 2013, 12:53:08 pm »
no cause pixel format are different. On non-color calc, pixel are one bit, but on color calc I guess it's 8 bit. So you really need to recode all graphic command, and not only changing screen dim.
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Offline JosJuice

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Re: Axe Parser on 84+CSE ?
« Reply #6 on: December 28, 2013, 02:22:08 pm »
Quote from: TheMachine02 on December 28, 2013, 12:53:08 pm
no cause pixel format are different. On non-color calc, pixel are one bit, but on color calc I guess it's 8 bit. So you really need to recode all graphic command, and not only changing screen dim.
It's 16-bit, but yes, all graphics-related code needs to be redone. Also, on the 84+CSE, it's impossible to keep a full-resolution screen buffer in RAM like Axe does (150 KiB is needed, but the calc only has 128 KiB), so even the general method of rendering has to be changed. I think there are some differences in how you interface with the LCD too, but that's not really a problem since everything has to be recoded anyway.
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Offline DJ Omnimaga

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Re: Axe Parser on 84+CSE ?
« Reply #7 on: December 28, 2013, 05:44:54 pm »
I think the plan was to make Axe like xLIB, in the way that it's 160x120 (scaled up to 160x240), then use one half of the LCD at a time as buffer.
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Offline blue_bear_94

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Re: Axe Parser on 84+CSE ?
« Reply #8 on: December 29, 2013, 12:31:12 pm »
But can we have a new version of Axe specifically for the CSE?
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Offline DJ Omnimaga

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Re: Re: Axe Parser on 84+CSE ?
« Reply #9 on: December 30, 2013, 03:56:01 am »
Only if Runer112 or someone else are willing to make one.
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Offline Runer112

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Re: Axe Parser on 84+CSE ?
« Reply #10 on: December 30, 2013, 12:35:13 pm »
I'm willing, it just hasn't been easy for me to find the time.
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Offline pimathbrainiac

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Re: Axe Parser on 84+CSE ?
« Reply #11 on: December 30, 2013, 12:35:50 pm »
The question is: will monochrome versions still be in development?
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Offline DJ Omnimaga

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Re: Axe Parser on 84+CSE ?
« Reply #12 on: December 30, 2013, 12:41:37 pm »
I hope so. That said, it might be very hard to develop two versions at once. Since the main focus for the older Axe commands is LCD-related, this means there is a lot of work to do to port it to the color calc.
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Offline Runer112

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Re: Axe Parser on 84+CSE ?
« Reply #13 on: December 30, 2013, 03:13:27 pm »
The monochrome line will absolutely still be developed.
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Offline MacBernick

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Re: Axe Parser on 84+CSE ?
« Reply #14 on: December 30, 2013, 09:07:02 pm »
Thanks for this interesting discussion ^^

Should I have bought a 84+SE instead of CSE ? The more forum I read, the more this CSE sounds like a CPC+ syndrom (a last attempt before giving up).

Even though the arch of the calculator is very different of the z80 architecture I'm used to (oh well, I used to be used to...) I'd love to program for it.
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