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Setting string colors in NASM

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Join Date: Oct 2009

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Goalatio

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Setting string colors in NASM

24 Days Ago

Hey all, I've been trying to get my int 10h to set the color for a STRING, not just a single character.

Here's my code, i'm running windows XP and using NASM16 assembler.

So, what I want it to do is display something like "Hello world", instead of just.. "a", etc.

the macro::

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 Assembly Syntax (Toggle Plain Text) 
%macro color 3
mov cx,%1 	;CX value = amount of chars to print
mov bl,%2	;BL value = HEXI color attr
mov al,%3	;AL value = character to print
mov ah,9	;Function 9, display char
int 10h		;Call the SCREEN vector
 
%endmacro
%macro color 3
mov cx,%1 	;CX value = amount of chars to print
mov bl,%2	;BL value = HEXI color attr
mov al,%3	;AL value = character to print
mov ah,9	;Function 9, display char
int 10h		;Call the SCREEN vector

%endmacro

the code::

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[org 0100h]
%include "Library.asm"
 
[section .text]
 
color 1,6ah,hello     ;Use library to attempt to display string
string eol
exit 0
 
[section .data]
hello db "Hello, world.", 13, 10, "$"
eol db 13, 10, "$"
[org 0100h]
%include "Library.asm"

[section .text]

color 1,6ah,hello     ;Use library to attempt to display string
string eol
exit 0

[section .data]
hello db "Hello, world.", 13, 10, "$"
eol db 13, 10, "$"