Re: dosemu 1.1.x and 1.1.4.13 bug (?) on CPUs faster than 2.0GHz

[Norman Schmidt Jr]

Maurilio, were you using freedos with dosemu before you switched to 
1.1.4.13 and your clipper apps were printing? In freedos? I never could 
put clipper printing (neither serial nor parallel) to work with 
freedos+dosemu, but I started to use dosemu with 1.1.4, and never tried 
any previous versions. Did the old versions of dosemu print from clipper 
apps using freedos? The only way I could put clipper apps to print using 
dosemu was using ms-dos or dr-dos...
Norman

Maurilio Longo escreveu:

Ok, with this patch it works ok :)

So I've switched to 1.1.4.13, but now my clipper program is not able to print to a 
serial
printer anymore :( even if a
dir > com1:

from dos prompt works ok, but my program uses a third party library to communicate with
serial devices
I fear it has to do with latest changes to serial code... I'll try to dig a little 
more,
but I'm not familiar with dosemu code and linux programming in general...
regards.



Bart Oldeman ha scritto:

 

On Wed, 12 Mar 2003, Maurilio Longo wrote:

   

I fear that cpu speed is inside a long int and this shoud explain why it happens, I'd

like to know from someone who writes dosemu if this is true and how they plan to fix
this.
     

it's a multiplication that overflows from an int -- try this patch:

--- dosemu-1.1.4.13/src/base/init/config.c      Sat Feb 15 14:49:31 2003
+++ dosemu-1.1.4.14/src/base/init/config.c      Wed Mar 12 14:38:28 2003
@@ -484,7 +484,7 @@
               cdd[6]=0; sscanf(cdd,"%d",&df);
               /* speed division factor to get 1us from CPU clocks - for
                * details on fast division see timers.h */
-               chz = (di * 1000000) + df;
+               chz = (di * 1000000LL) + df;
               /* speed division factor to get 1us from CPU clock */
               config.cpu_spd = (LLF_US*1000000)/chz;
   

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