Reserve memory for multiple variables in one line.

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3D_FASM

Joined: 11 May 2023
Posts: 24

3D_FASM 12 May 2023, 13:02

For eaxmple write this to one string:

Code:

    r dd 0
    g dd 0
    b dd 0

Is in FASM something like this?

Code:

r, g, b dd 0

Or maybe there is another form for compact notation?

12 May 2023, 13:02

revolution
When all else fails, read the source

Joined: 24 Aug 2004
Posts: 20451
Location: In your JS exploiting you and your system

revolution 12 May 2023, 13:06

Unless you write a macro then fasm only supports one label per definition.

Code:

macro multi_dd_define [var] { forward var dd ? }
multi_dd_define r, g, b

12 May 2023, 13:06

macomics

Joined: 26 Jan 2021
Posts: 1042
Location: Russia

macomics 12 May 2023, 13:20

Code:

macro multi_dd_define val,[var] { forward var dd val }
multi_dd_define 1.0, r, g, b

12 May 2023, 13:20

Tomasz Grysztar

Joined: 16 Jun 2003
Posts: 8359
Location: Kraków, Poland

Tomasz Grysztar 12 May 2023, 13:38

Another option is IRP:

Code:

irp var, r,g,b { var dd 0 }

12 May 2023, 13:38

AsmGuru62

Joined: 28 Jan 2004
Posts: 1671
Location: Toronto, Canada

AsmGuru62 12 May 2023, 16:53

These methods are good, but what to do if you develop an IDE with Intelli-Sense?
My IDE will parse a 'classic' definition from the post #1, but not these other weird macros.
So, any time anyone invents a macro -- the IDE developer must adjust?
I think it is too much to ask.

12 May 2023, 16:53

3D_FASM

Joined: 11 May 2023
Posts: 24

3D_FASM 12 May 2023, 18:14

Macros will probably confuse the code too much.
Is in FASM a system character that replaces a line break?
For examle like this:

Code:

r dd 0  :  g dd 0  :  b dd 0

There is a \ but it's probably not suitable for this.

12 May 2023, 18:14

Tomasz Grysztar

Joined: 16 Jun 2003
Posts: 8359
Location: Kraków, Poland

Tomasz Grysztar 12 May 2023, 18:33

There is a recent thread discussing this.

12 May 2023, 18:33

bitRAKE

Joined: 21 Jul 2003
Posts: 4073
Location: vpcmpistri

bitRAKE 12 May 2023, 18:41

fasmg is over powered:

Code:

calminstruction(name) dd? line&
        local first
try:
        match first : line, line
        jno single
        arrange first, name =dd? first
        assemble first
more:
        match first : line, line
        jno last
        arrange first, first
        assemble first
        jump more
last:
        arrange line, line
        assemble line
        exit
single:
        arrange line,name =dd? line
        assemble line
end calminstruction ; dd?

r dd 1 : g dd 2 : b dd 3

AsmGuru62 wrote:

So, any time anyone invents a macro -- the IDE developer must adjust?
I think it is too much to ask.

... the current flavor of solution is LSP - which just moves the problem outside the IDE, imho. We don't have an LSP for fasm/fasmg; but I feel it would be easy to break that it doesn't make much sense for the general case. Maybe A.I. is the answer?

12 May 2023, 18:41

3D_FASM

Joined: 11 May 2023
Posts: 24

3D_FASM 12 May 2023, 19:28

I think it's a intrest trick:
https://board.flatassembler.net/topic.php?t=1938

Or i think is possible to use the character " :" if it is preceded by a space.

But r,g,b dd 0 is the most understandable. But that probably can't be done.

As I understand it, did not come to a consensus...

12 May 2023, 19:28

Tomasz Grysztar

Joined: 16 Jun 2003
Posts: 8359
Location: Kraków, Poland

Tomasz Grysztar 12 May 2023, 20:01

3D_FASM wrote:

But r,g,b dd 0 is the most understandable. But that probably can't be done.

With fasmg it is quite possible:

Code:

calminstruction (name) ? tail&
        local next, statement
        match =,next tail, tail
        jyes multi
        arrange statement, name tail
        assemble statement
    done:
        exit
    multi:
        take name, next
        match =,next tail, tail
        jyes multi
    reverse:
        take next, name
        jyes reverse
    process:
        take name, next
        jno done
        arrange statement, name tail
        assemble statement
        jump process
end calminstruction

r,g,b dd 0

12 May 2023, 20:01

3D_FASM

Joined: 11 May 2023
Posts: 24

3D_FASM 14 May 2023, 11:34

I got acquainted with FASMG, this is a really powerful tool, it can probably write a high-level language on it ) But for now I will not switch to it.

Thanks to all for interesting answers, I think these examples will be interesting for many users. I'll leave all as is or be use structs as a last resort.

14 May 2023, 11:34

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