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flat assembler > DOS > FASMD - early preview

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Dex4u



Joined: 08 Feb 2005
Posts: 1601
Location: web
I code my editor for 80x50, but because of thouse awful fonts, i am converting it back to 80x25, but because i hardcode it in the the editor, I have to change manythings Crying or Very sad .
Post 09 Dec 2006, 18:45
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Tomasz Grysztar
Assembly Artist


Joined: 16 Jun 2003
Posts: 6876
Location: Kraków, Poland
You may try to build an editor for any other OS using the AsmEdit's core. As Tommy mentioned he's interested in doing this for Linux, I'm working on the documentation of core. I'm attaching the current state of those docs, they're not finished yet, however.


Description: AsmEdit core documentation (updated: Dec 17 2006)
Download
Filename: asmedit_core.txt
Filesize: 17.91 KB
Downloaded: 423 Time(s)



Last edited by Tomasz Grysztar on 17 Dec 2006, 18:56; edited 1 time in total
Post 09 Dec 2006, 19:19
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Tommy



Joined: 17 Jun 2003
Posts: 492
Location: Norway
Thanks! I'll have a look at them Smile
Post 09 Dec 2006, 19:32
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Goplat



Joined: 15 Sep 2006
Posts: 181
Quote:
Code:
macro outb v1,v2 { mov al,v1 out dx,al mov al,v2 inc dx out dx,al dec dx }


If you don't need to preserve AH, this can be done more easily as
Code:
macro outb v1,v2 { mov ax,v2 shl 8 + v1 out dx,ax }
Post 09 Dec 2006, 21:34
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Tomasz Grysztar
Assembly Artist


Joined: 16 Jun 2003
Posts: 6876
Location: Kraków, Poland
Does that guarantee the required synchronization (the value targeted to higher port needs to be sent after the value to lower port is received)?
Post 10 Dec 2006, 00:32
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LocoDelAssembly
Your code has a bug


Joined: 06 May 2005
Posts: 4634
Location: Argentina
I saw long time ago the source code of Wolfenstain 3D and there was a comment telling that the OUT should to be done byte per byte because the author had realized that outputing a word directly didn't work on his video card.
Post 10 Dec 2006, 01:54
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LocoDelAssembly
Your code has a bug


Joined: 06 May 2005
Posts: 4634
Location: Argentina
I found it
Code:
@@setcrtc: ; ; set CRTC start ; ; for some reason, my XT's EGA card doesn't like word outs to the CRTC ; index... ; mov cx,[crtc] mov dx,CRTC_INDEX mov al,0ch ;start address high register out dx,al inc dx mov al,ch out dx,al dec dx mov al,0dh ;start address low register out dx,al mov al,cl inc dx out dx,al


PS: Downloaded here http://www.btinternet.com/~belowe/wolfsrc.zip . The file is (after installing) ID_VL_A.ASM
Post 10 Dec 2006, 02:01
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Tomasz Grysztar
Assembly Artist


Joined: 16 Jun 2003
Posts: 6876
Location: Kraków, Poland
I decided to make FASMD use whatever text mode is set at the moment. This way you can even change resolution "on fly" by writing a small program that switches into desired mode and assembling it and running directly from FASMD.

I have also updated the core documentation (a few posts above), now it's more or less complete, I may just add also description of some standard scenarios of usage.
Post 14 Dec 2006, 17:46
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Tomasz Grysztar
Assembly Artist


Joined: 16 Jun 2003
Posts: 6876
Location: Kraków, Poland
The basic feature set is almost finished. The most important thing left to do is perhaps the .INI file. Also some directory browser in file open/save dialogs would be nice, but it's not of much priority.

When the basic version is more or less finished, I plan to put it in standard DOS package, just as FASMW is included in the Win32 one. What's your opinion?
Post 17 Dec 2006, 18:58
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Tommy



Joined: 17 Jun 2003
Posts: 492
Location: Norway
IMO FASMD should be part of the DOS package Smile
Post 17 Dec 2006, 22:16
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Dex4u



Joined: 08 Feb 2005
Posts: 1601
Location: web
I also think that fasmd, should be part of the standard Dos package.
Thanks for the work you put into Fasm and the editors.
Post 18 Dec 2006, 02:05
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Tomasz Grysztar
Assembly Artist


Joined: 16 Jun 2003
Posts: 6876
Location: Kraków, Poland
Well, it may be still a bit early, but I included FASMD in a standard DOS distribution, with a small dedicated documentation aswell.
Post 19 Dec 2006, 21:36
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DOS386



Joined: 08 Dec 2006
Posts: 1904
Quote:

I plan to put it in standard DOS package, just as FASMW is included in the Win32 one. What's your opinion?


YES. Smile

Some suggestions:

- Mention the memory management of FASM in DOS in the manual
(runs on DPMI if available, in unreal mode otherwise,
will NOT run on EMM386 if no DPMI)
- About the IDE:
-- Directory browse would be nice (not trivial to write I know Wink )
-- Compiling: Add a menu "Compile only" & "Compile and run" (immediate
execution is risky)

_________________
Bug Nr.: 12345

Title: Hello World program compiles to 100 KB !!!

Status: Closed: NOT a Bug
Post 19 Dec 2006, 21:46
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Tomasz Grysztar
Assembly Artist


Joined: 16 Jun 2003
Posts: 6876
Location: Kraków, Poland
DOS386 wrote:
- Mention the memory management of FASM in DOS in the manual
(runs on DPMI if available, in unreal mode otherwise,
will NOT run on EMM386 if no DPMI)

It is mentioned in FASM.TXT, section 1.1.1.

DOS386 wrote:
-- Directory browse would be nice (not trivial to write I know Wink )

Well, in fact it's quite trivial, I just need to dedicate some time to it. Wink
(hmm, I have somewhere a simple NC clone with LFNs I once wrote...)

DOS386 wrote:
-- Compiling: Add a menu "Compile only" & "Compile and run" (immediate
execution is risky)

It's Ctrl+F9 and F9, just as in FASMW. Also Shift+F9 just has been added.

And at the same time I also back-ported some features into FASMW, like Alt+[1-9] shortcuts.
Post 19 Dec 2006, 22:15
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DOS386



Joined: 08 Dec 2006
Posts: 1904
Quote:

It is mentioned in FASM.TXT, section 1.1.1.


Not really: Confused

Code:
All versions require the x86 architecture 32-bit processor (at least 80386), although they can produce programs for the x86 architecture 16-bit processors, too. DOS version requires an OS compatible with MS DOS 2.0 and either true real mode environment or DPMI. Windows version requires a Win32 console compatible with 3.1 version.

_________________
Bug Nr.: 12345

Title: Hello World program compiles to 100 KB !!!

Status: Closed: NOT a Bug
Post 19 Dec 2006, 22:21
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Tomasz Grysztar
Assembly Artist


Joined: 16 Jun 2003
Posts: 6876
Location: Kraków, Poland
It says you either need true real mode environment or DPMI. The conclusion that it won't run when you've got VCPI without DPMI (like EMM386) is straightforward.
Post 19 Dec 2006, 22:29
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