How do a normal rb API to a register

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gumletis

Joined: 18 Dec 2004
Posts: 128

gumletis 01 Jan 2005, 16:50

Hi, i wanna do my code smaller... this what i got

Code:

include '%fasminc%\win32ax.inc'
.data
sysdir rb 100
.code
start:
invoke GetWindowsDirectory,sysdir,100
...
...
...
.end start

so i tryed to do it with register, but doesn't work, a little fix here would be great Surprised

Code:

include '%fasminc%\win32ax.inc'
.code
start:
invoke GetWindowsDirectory,esi,100  ;; just donno how do this
...
...
...
.end start

as i say, i don't know how to do it... please help

_________________
LOOOL

01 Jan 2005, 16:50

gumletis

Joined: 18 Dec 2004
Posts: 128

gumletis 01 Jan 2005, 18:41

anyone?

01 Jan 2005, 18:41

polygon7

Joined: 14 Aug 2003
Posts: 62
Location: Poznan, Poland

polygon7 01 Jan 2005, 21:45

Hi,
you could try this:

Code:

include '%fasminc%\win32ax.inc'
.data
sysdir dd ?
.code
start:

invoke  LocalAlloc,LMEM_FIXED,100
mov     [sysdir],eax
invoke  GetWindowsDirectory,eax,100

[...]

invoke  LocalFree,sysdir

.end start

_________________
best regards
p7

01 Jan 2005, 21:45

gumletis

Joined: 18 Dec 2004
Posts: 128

gumletis 02 Jan 2005, 10:16

when i do this, it will compile fine but crash when i start it

Code:

include '%fasminc%\win32ax.inc' 
.data 
sysdir dd ? 
.code 
start: 

invoke  LocalAlloc,LMEM_FIXED,100 
mov     [sysdir],eax 
invoke  GetWindowsDirectory,eax,100 
invoke  MessageBox,0,eax,eax,0
invoke  LocalFree,sysdir 

.end start

_________________
LOOOL

02 Jan 2005, 10:16

JohnFound

Joined: 16 Jun 2003
Posts: 3499
Location: Bulgaria

JohnFound 02 Jan 2005, 11:01

Code:

include '%fasminc%\win32ax.inc' 
.code 
start: 
invoke  LocalAlloc,LMEM_FIXED,100 
mov     esi, eax
invoke  GetWindowsDirectory,esi,100 
invoke  MessageBox,0,esi,esi,0
invoke  LocalFree,esi
invoke  ExitProcess, 0
.end start

02 Jan 2005, 11:01

gumletis

Joined: 18 Dec 2004
Posts: 128

gumletis 02 Jan 2005, 11:17

thanks to you all, it work!

02 Jan 2005, 11:17

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