ASCII Table (Tabla ASCII)

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alonso

Joined: 06 Aug 2003
Posts: 15

alonso 25 Dec 2003, 15:21

Hi to every body, attach is Help file that contains the ASCII table character set with reprecentations in Decimal, Hex and Binary as well as the simbols.

I make this file because a look every where on the web for a complete character set of the ASCII table and I couldn't find it.

I Found some thing very interesting for example: You can convert any text string into lower case just by turning on Bit # 6 on each byte or convert it to upper case by turning bit # 6 off.

I hope it would be usefull to everybody!!!

Any body with Win98 and above should be able to view this file!

Description:		Download
Filename:	Tabla Ascii.zip
Filesize:	20.37 KB
Downloaded:	690 Time(s)

25 Dec 2003, 15:21

Eoin

Joined: 16 Jun 2003
Posts: 68
Location: Ireland

Eoin 25 Dec 2003, 16:02

Very nice alonso, well presented.

Pity its not in English, but then it is self explanatary Smile

25 Dec 2003, 16:02

pelaillo
Missing in inaction

Joined: 19 Jun 2003
Posts: 878
Location: Colombia

pelaillo 25 Dec 2003, 17:36

alonso,
the following functions turn on/off bit 6 of a dword at a time, providing faster lcase/ucase. I hope you find them useful:

Code:

sz:
  .ucase:
 mov     eax,[edi]
   mov edx,eax
 and edx,40404040h
   ror edx,1
   xor edx,-1
  and eax,edx
 mov [edi],eax
       add     edi,4
       lea     edx,[eax-01010101h]
 xor     eax,edx
     and     eax,80808080h
       jz      .ucase
      and     eax,edx
     jz      .ucase
      ret
  .lcase:
        mov     eax,[edi]
   mov edx,eax
 and edx,40404040h
   ror edx,1
   or  eax,edx
 mov [edi],eax
       add     edi,4
       lea     edx,[eax-01010101h]
 xor     eax,edx
     and     eax,80808080h
       jz      .lcase
      and     eax,edx
     jz      .lcase
      ret

25 Dec 2003, 17:36

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