Downloaded the VCN DOSbox program you recommended. Just getting started on it. Nogo ... it seems that once OS386.exe starts or tries to start, DOSbox freezes. This happened to me when first working with OS386 on my 1991 PC. Once I got my Config.sys and AutoExec.bat files set right OS386 ran fine. …

This works okay on my old DOS machine but not on DOSbox 0.74, any ideas why? Input ===== ExIVP.1 !* 4, 6, 1, 0, Y'* Y'' = 2 ! where Y(0) = 1 & Y'(0) = 2 2 ! Order of ODE 6 ! No. of Operations 8 3 0 1 7 19 ! Operator IDs 3 ! No. of Terms -1 -2 11 ! Term IDs ooo Output ====== ¯ Line 1 ¯ Line 2 Your …

What is wrong with the following statement? %1 is set to 'beam' if %1x==x (call ..\GetName.bat) else set name=%1 if %1x==x (call ..\GetName.bat) else (set name=%1) ... @echo on, shows 'set name=%1' cmd NOT activated, why in either 'if' statement. 🙁 Phil

The CPU type should be set to what is expected by the program you're trying to run. The first post in the thread suggests 386, 386_slow, or 386_prefetch might work, but you might as well try 486_slow and pentium_slow, too. I'm working with a DOS compiler that was created in or before 1991. So I …

Jorpho wrote: But try changing your CPU type first. Should the cpu type be of the PC that created my App that I'm trying to run -or- my present PC? I have tried both ... I'm back to a setting of 'auto'. Phil

Jorpho wrote: Have you tried the SVN Daum build of DOSBox? Never heard of it ... got a link address? Thanks, Phil

try this newer build of dosbox: http://cvscompile.aep-emu.de/dosbox.htm Your link is no longer valid! I have the same problem using OS386.exe today ... DOSbox just sits their, what to do? The code I'm trying to execute is " OS386 HIGHKERNEL YES LOWRESERVE 1000 " from the old DOS days. :happy: I'm …