"Copy this text and use Notepad of windows to see the text right"

Better: register, and then you can use the <pre> and </pre> HTML tags to get it in monospaced text; eg,

; _________________________________________________________________ 
; This routine convert a 16 bits number in ASCII | 
; Inputs: R2(LSB) and R3 (MSB) | 
; OUTPUT: The ASCII value in 30h,31h,32h,33h,34h <- internal ram | 
; MSB LSB | 
; | 
; Destroy folows registers: R0,R1,R2,R3,R6,R7 | 
; By: Bruno Marcio Diogo Venancio and Dartagnan Antunes de Oliveira| 
; Date :13/05/2001 | 
; Email: bruno.marcio@bol.com.br | 
; _________________________________________________________________| 

(the only problem is that this site has no "preview" - so you can't check that you've got it all correct!)