Author Topic: Axe Parser on 84+CSE ?  (Read 6823 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 »

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.

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.

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.

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 »
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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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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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.

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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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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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.

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.

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.