printing - Print Register in Assembly x86 -


followed couple of online documents , yet when try print number have stored in register %ecx nothing happens. because i'm performing calculations , trying print while in loop?

   mov     $48, %ecx  #convert ascii    mov     $1, %edx   #print byte    add     %eax, %ecx     mov     $4, %eax          #output console    mov     $1, %ebx          #file descriptor - standardout    int      $0x80            #call kernel

the write system call expects pointer data printed. far can tell, have single digit. can temporarily store on stack printing follows:

mov     $48, %ecx  #convert ascii mov     $1, %edx   #print byte add     %eax, %ecx push    %ecx       # store on stack mov     %esp, %ecx # load address mov     $4, %eax   # output console mov     $1, %ebx   # file descriptor - standardout int     $0x80      # call kernel pop     %ecx       # clean stack

remember need better conversion routine multi-digit numbers.


Comments

Post a Comment

Popular posts from this blog

user interface - How to replace the Python logo in a Tkinter-based Python GUI app? -

is there way change default logo, python logo , appears in window's task bar? notice have replaced default tk logo used appear in application window. i using windows 7 , python 2.6 , developing gui of tkinter. you can using winico tk extension package. winico package can used add system tray icons tk programs. the following sample shows 1 way change runtime application icon. note need provide .ico file suitable sizes of icons in on command line , need use pythonw. not change taskbar icon console when running python script. test extracted winico0.6 package python\tcl\winico0.6 folder package require winico work , ran code below using pythonw winico_test.py path\to\some\ico\file.ico . import sys tkinter import * def main(argv): root = tk() root.update() root.tk.call('package','require','winico') id = root.tk.call('winico','createfrom',argv[1]) root.tk.call('winico','setwindow',root,id...
Read more

netbeans - Remove indent guide lines -

Image
netbeans 8 default shows indent guide lines (light gray dotted vertical lines). how can turn feature off? this can turned off in menu: view > show indent guide lines. more configuring indent lines in release notes . release notes the guide lines dotted lines drawn every tab size before character on line. shown default. can turn off feature in menu view-show indent guide lines. change line's color go options-font&colors-highlighting-indent guide lines.
Read more

android - Get AccessToken using signpost OAuth without opening a browser (Two legged Oauth) -

i using signpost oauth access data magento server. have read various tutorials on same , reach point open browser user can enter credentials. however, per requirement have automate part. hence, user should not browser page. have set-up done on server side ( magento ), hit url , returned call page. same through program in android. i have tried below, consumer = new commonshttpoauthconsumer(key, secret); provider = new commonshttpoauthprovider(oauth_init_url,access_token_url, authorize_url); try { provider.retrieverequesttoken(consumer, oauth.out_of_band); log.d("tokens" , consumer.gettoken() + " -- " + consumer.gettokensecret()); } and request tokens. dont know how bypass next step. tried directly accessing accesstoken (stupid of me) provider.retrieveaccesstoken(consumer, "mycallback://callback"); no luck, ends in oauth.signpost.exception.oauthnotauthorizedexception: authorization failed (server replied 401). ...
Read more