Author Topic: Features Wishlist  (Read 621285 times)

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Offline Raylin

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Re: Features Wishlist
« Reply #750 on: June 20, 2010, 11:08:45 pm »
Perfect character spacing when displaying text one character at a time.
That is the feature I want.
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Offline Builderboy

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Re: Features Wishlist
« Reply #751 on: June 21, 2010, 01:15:33 am »
How would you propose this works though?  Since you are displaying it yourself one character at a time, you are specifying the arguments.  Maybe a table of constants that tell you the width of each individual character?

Offline Quigibo

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Re: Features Wishlist
« Reply #752 on: June 21, 2010, 01:20:04 am »
^ I'll get to that character thing  soon.

I'm thinking of allowing a new alternative syntax to make coding a little easier.  Just like you can do {L1+5} I am thinking of also allowing L1(5) like how BASIC does it.  You would also be allowed to do this with variables.  That is, A(2) becomes {A+2}.  The only downside to this would be that implied multiplication can never be implemented then becasue using parenthesis will ALWAYS imply pointing and never multiplication in order to make this unambiguous.  Not that I was planning to add implied multiplication, but thought I'd mention that.  Similarly, I would also like to be able to do the same with matrices.

What I was thinking is that you can store to a matrix at the beginning at some point.  So L1->[A](5,10) tells the compiler that you would like to start a Matrix at the position L1 and make it 5x10.  This would be completely a compiler command and would not contribute anything to the code.  The next step would be to use [A].  With the new syntax, you could say something like [A](2,4) and it will compile as {L1+2*5+4} since now the compiler knows where to store the matrix and how big it needs to be.

I'm still not sure how possible this will be to do since I still need to have it optimized automatically, but it would certainly be pretty cool.  It might allow me to implement some other commands like row and column swapping as well as well as filling with a single value, copying one matrix to another, etc.  All handled at compile time by the parser to translate into the current way of doing things so that its just as efficient.

I'm not planning to ever replace the old syntax, I'm just giving a new alternative to those who like the BASIC way of doing it.
« Last Edit: June 21, 2010, 01:21:54 am by Quigibo »
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Offline DJ Omnimaga

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Re: Features Wishlist
« Reply #753 on: June 21, 2010, 02:00:48 am »
I like the new syntax idea. It would become pretty handy for people who are switching from BASIC. I got an hard time getting used to {} syntax x.x

It would probably also make it easier to port some BASIC programs to Axe
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Offline Builderboy

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Re: Features Wishlist
« Reply #754 on: June 21, 2010, 02:06:38 am »
Wow that actualy sounds amazingly epic!  Automatic Matrices and Auto lists and all sorts of other magnificent things :D I wonder... if matrices could be 'initialized' to half byte in order to take the hassle out of using half byte code :O

Offline calc84maniac

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Re: Features Wishlist
« Reply #755 on: June 21, 2010, 09:48:55 am »
Feature request: True logical and,or commands. (Not sure about xor, that might not work).
These would act similarly to Python (and maybe other languages too).

"A and B" would compile as:
Code: [Select]
ld hl,(var_a)
ld a,h
or l
jp z,_
ld hl,(var_b)
_

"A or B" would compile as:
Code: [Select]
ld hl,(var_a)
ld a,h
or l
jp nz,_
ld hl,(var_b)
_

So basically, "A and B" is the same as "If A:B:End", and "A or B" is the same as "!If A:B:End"
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Offline Magic Banana

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Re: Features Wishlist
« Reply #756 on: June 21, 2010, 09:59:45 am »
^ I second that request.
I do sprites and stuff, so yeah.

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Re: Features Wishlist
« Reply #757 on: June 21, 2010, 10:06:53 am »
sorry for being slow...but what will that allow us to do that the current code won't?

Offline Ikkerens

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Re: Features Wishlist
« Reply #758 on: June 21, 2010, 10:13:48 am »
sorry for being slow...but what will that allow us to do that the current code won't?

It will allow us to change other if's.
Code: [Select]
:56→V
:If V
:Disp "V is not zero"
:End

Currently that would cause the parser to think, oh, its not a 1, so skip the block
« Last Edit: June 21, 2010, 10:14:15 am by Ikkerens »

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Offline calc84maniac

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Re: Features Wishlist
« Reply #759 on: June 21, 2010, 10:16:21 am »
Well, "5 and 2" will return 2 instead of 0, which is a non-zero value as expected. Of course, if you just use logical (0,1) values, it works as expected as well.
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Offline ztrumpet

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Re: Features Wishlist
« Reply #760 on: June 21, 2010, 10:48:45 am »
I think it needs real Booleans.  :)

I also like the matrix/list idea. :D

Offline calc84maniac

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Re: Features Wishlist
« Reply #761 on: June 21, 2010, 10:52:48 am »
Here is another cool thing about this method: Short-circuit evaluation

And I think this method would be more efficient than real booleans, because we don't need to waste the extra space making sure all logical operations end up as 0 or 1. Zero and non-zero are all we really care about.
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Offline DJ Omnimaga

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Re: Features Wishlist
« Reply #762 on: June 21, 2010, 12:23:11 pm »
I think it would be nice indeed if it worked like TI-BASIC. I always had trouble with If conditions otherwise x.x
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Re: Features Wishlist
« Reply #763 on: June 21, 2010, 12:26:32 pm »
I think it would be nice indeed if it worked like TI-BASIC. I always had trouble with If conditions otherwise x.x
Me too. :)

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Re: Features Wishlist
« Reply #764 on: June 21, 2010, 02:03:39 pm »
It would be nice if there was a way to delete appvars from within your Axe program.


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