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OrbWorks Community Forum • View topic - Buffer problem when using Pocket Toolbox

Buffer problem when using Pocket Toolbox

Postby wolf on Fri May 25, 2001 2:17 pm

Hello,

I am using Pocket Toolbox to create a scrollable map using a larger than the screen bitmap. This bitmap is put into a scratch buffer and with the CopyRect command part of this buffer is copied to the display buffer.
The map is accessed from a main menu. The first time the map screen is entered from the menu all is going well. However after returning to the main menu and accessing the map a second time the screen locks up in the emulator and I get the following error message:
PocketC 4.0.3rt has just read from an unallocated chunk of memory.

Does anybody know why this is and what the solution is. I presume it has something to do with the scratch buffers. I tried using FreeBuf(0); to free the memory allocated to the buffers, but this didn't help.

Hope somebody can help

Yours Sincerely

Erwin
wolf
 
Posts: 5
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Postby Plasma on Mon Sep 10, 2001 8:51 pm

This is something I would like to do, so someone, please! <img src=icon_smile.gif border=0 align=middle>

-Steve Riekeberg
http://www.maxcoderz.f2s.com
"To err is human, but to really screw up requires a computer." -Unknown
-Steve Riekeberg
http://www.maxcoderz.f2s.com
"To err is human, but to really screw up requires a computer." -Unknown
Plasma
 
Posts: 38
Joined: Fri Jul 13, 2001 11:52 pm
Location: USA

Postby jstadolnik on Tue Sep 11, 2001 12:48 am

See the map_demo.c example included in the PToolboxLib release.

Joe
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