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Author Topic: [Axiom] Floating Point Math (and other stuff)  (Read 23168 times)

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Offline FinaleTI

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Re: [Axiom] Floating Point Math (and other stuff)
« Reply #15 on: October 26, 2011, 02:37:00 pm »
Quote from: alberthrocks on October 25, 2011, 09:39:53 pm
Before a CAS could be made, the following needs to occur:
1) String -> FP number
2) FP number -> String
3) Display FP number on arbitrary display buffer at certain position (pref. #2)
4) ???
I have some WIP Axe code to create FP numbers from supplied ASCII strings and store them to OS vars. Currently, scientific notation support is non-existent and it only works for real numbers. I also have a WIP routine for converting FP numbers to ASCII strings for displaying, but only real numbers are supported and scientific notation support is currently iffy at best.
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Offline ztrumpet

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Re: [Axiom] Floating Point Math (and other stuff)
« Reply #16 on: October 26, 2011, 05:08:01 pm »
Quote from: Keoni29 on October 26, 2011, 09:53:21 am
I have seen some AXE programmes using strings to export images or tilemaps. How is that possible?
You just have to manipulate the data correctly.  Here's the basic premise:
Set up the string.  This is done in a similar method to setting up a Picture, which I detailed here.
Then loop through the data for the sprite and convert this.  Each nibble (generally) contains one hex character (each byte contains two), so this must be converted to 0-9 or A-F.  Switch the number to its ASCII equivalent, which is shown in this chart:
Code: [Select]
L0 equ 030h
L1 equ 031h
L2 equ 032h
L3 equ 033h
L4 equ 034h
L5 equ 035h
L6 equ 036h
L7 equ 037h
L8 equ 038h
L9 equ 039h
LcapA equ 041h
LcapB equ 042h
LcapC equ 043h
LcapD equ 044h
LcapE equ 045h
LcapF equ 046h
So yeah, that's the basic premise.  I hope it helps. :)
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Offline jacobly

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Re: [Axiom] Floating Point Math (and other stuff)
« Reply #17 on: October 27, 2011, 12:18:53 am »
Bug fix! (See first post)
Also, I started creating a tutorial, so I included that too.
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Offline jacobly

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Re: [Axiom] Floating Point Math (and other stuff)
« Reply #18 on: November 27, 2011, 10:17:04 pm »
Update. Changes:
solve() becomes solve()ʳ
solve(x) returns a pointer to the floating-point number represented by x.
Examples:
float{solve(Select("varA"))}➔A
float{solve(solve(ᵀ+,Select("varA"),Select("varB")))}➔C
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Offline Taranok

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Re: [Axiom] Floating Point Math (and other stuff)
« Reply #19 on: January 30, 2012, 04:11:04 am »
Is it just me or do the code boxes only say "array"?
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Offline Xeda112358

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Re: [Axiom] Floating Point Math (and other stuff)
« Reply #20 on: January 30, 2012, 07:45:09 am »
I think it depends on the browser. I am using Chrome and it works fine for me :/
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Offline TIfanx1999

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Re: [Axiom] Floating Point Math (and other stuff)
« Reply #21 on: February 06, 2012, 08:43:37 am »
@Taranok: Welcome here. And yea, I think it's a browser issue. Works fine in Firefox too.
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Offline Taranok

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Re: [Axiom] Floating Point Math (and other stuff)
« Reply #22 on: February 27, 2012, 01:10:35 am »
I'm using firefox also...  10.0.2.

The boxes still say array.
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Offline kindermoumoute

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Re: [Axiom] Floating Point Math (and other stuff)
« Reply #23 on: February 27, 2012, 02:56:05 pm »
I notice your aciom use Select() command, but it's the same tokens than Axe parser command, is there no conflict? ???
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Re: [Axiom] Floating Point Math (and other stuff)
« Reply #24 on: February 28, 2014, 12:47:29 pm »
My savior! ;D

However...I don't see a way to display the numbers in FP format (complex or not), and I need that before I use this. :P
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Offline ben_g

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Re: [Axiom] Floating Point Math (and other stuff)
« Reply #25 on: February 28, 2014, 03:48:11 pm »
WARNING: untested code

I think the following code should do the trick:
Code: [Select]
:Text(X,Y)
:Asm(7DEFF74B)
« Last Edit: February 28, 2014, 03:48:24 pm by ben_g »
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Offline JWinslow23

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Re: [Axiom] Floating Point Math (and other stuff)
« Reply #26 on: February 28, 2014, 04:17:53 pm »
Quote from: ben_g on February 28, 2014, 03:48:11 pm
WARNING: untested code
Test it, and I'll get back to you, thanks. I don't want a RAM clear again. :P
« Last Edit: February 28, 2014, 04:18:02 pm by JWinslow23 »
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Offline Streetwalrus

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Re: [Axiom] Floating Point Math (and other stuff)
« Reply #27 on: March 02, 2014, 02:51:33 am »
RAM clears are fun. :D
* Streetwalrus uses zStart
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Offline Hayleia

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Re: [Axiom] Floating Point Math (and other stuff)
« Reply #28 on: March 02, 2014, 03:20:43 am »
Well, I wouldn't say "fun", but indeed, I use zStart and RAM Clears don't annoy me at all ;)
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Re: [Axiom] Floating Point Math (and other stuff)
« Reply #29 on: March 02, 2014, 03:41:33 am »
I often clear RAM myself since I use it actually.
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