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flat assembler > Macroinstructions > Macro for placing bytes after DB

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burris



Joined: 09 Dec 2017
Posts: 2

Macro for placing bytes after DB

Hi,
I'm trying to make some helper macros for placing ANSI terminal codes (ie. for changing text colour or making it bold):


Code:

; Example usage

msg db ansi_bold'Hello world!'0x0A





At this moment my version is as follows:


Code:

ESC = 0x1B ; Escape character
macro escape ansi_code { store ESCansi_code at . }
macro ansi_bold        { escape '[1m' }          ; Set "bright" attribute
macro ansi_fg_red      { escape '[31m' }         ; Set foreground to color #1 - red




But this is not working, obviously I'm doing something wrong. Would someone help me with it?
Post 23 Dec 2017, 20:15
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ProMiNick



Joined: 24 Mar 2012
Posts: 148
Location: Russian Federation, Sochi

Make highlightings with such method worst thing.

I think all such decorations should be stay of code syntax.
for such purpose use comments.

Code:
msg db 'Hello world!'0x0A ; #HL# ansi_bold quotedtext



than tell highlight function to detect content of comments

I think everything out of valuable source code should be in comments
I think about something closer - code folding. place in comment #+ or #- that would be hidden in IDE but according such comment code will be folded or not.
Post 23 Dec 2017, 23:13
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 15808
Location: Misner space

Re: Macro for placing bytes after DB


burris wrote:
Hi,
I'm trying to make some helper macros for placing ANSI terminal codes (ie. for changing text colour or making it bold):


Code:

; Example usage

msg db ansi_bold'Hello world!'0x0A





At this moment my version is as follows:


Code:

ESC = 0x1B ; Escape character
macro escape ansi_code { store ESCansi_code at . }
macro ansi_bold        { escape '[1m' }          ; Set "bright" attribute
macro ansi_fg_red      { escape '[31m' }         ; Set foreground to color #1 - red




But this is not working, obviously I'm doing something wrong. Would someone help me with it?

fasm doesn't support inline macros. Instead you can use equ.

Code:
ESC     equ     0x1B
BOLD    equ     ESC,'[1m'
FG_RED  equ     ESC,'[31m'

msg db BOLD'Hello world!'0x0a

Post 24 Dec 2017, 08:04
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burris



Joined: 09 Dec 2017
Posts: 2

Re: Macro for placing bytes after DB


revolution wrote:

burris wrote:
Hi,
I'm trying to make some helper macros for placing ANSI terminal codes (ie. for changing text colour or making it bold):


Code:

; Example usage

msg db ansi_bold'Hello world!'0x0A





At this moment my version is as follows:


Code:

ESC = 0x1B ; Escape character
macro escape ansi_code { store ESCansi_code at . }
macro ansi_bold        { escape '[1m' }          ; Set "bright" attribute
macro ansi_fg_red      { escape '[31m' }         ; Set foreground to color #1 - red




But this is not working, obviously I'm doing something wrong. Would someone help me with it?


fasm doesn't support inline macros. Instead you can use equ.

Code:
ESC     equ     0x1B
BOLD    equ     ESC,'[1m'
FG_RED  equ     ESC,'[31m'

msg db BOLD'Hello world!'0x0a




Revolution your example is what I need, thank you Smile
Post 24 Dec 2017, 11:01
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