The general rule of thumb around these parts is the developers of Dosbox built it specifically for games. Many application specific features (Share.exe, printing, parallel port access, etc.) are not implemented because no game needs them, thus applications are considered unsupported. Thank's for …

Joey_sw wrote: Disclaimer: dbase, clipper, foxbase program are not supported by dosbox Why ! Did you find something wrong ?

leileilol wrote: core=dynamic yes! yes! Look like turbo speed. Thank's a lot.

Besides "cycles=max", is there any method can speed-up more ? In one case, I reindex all the database. It spends 6 mins. But in real DOS, it just 1 mins !

That's I wrote: [cpu] core=auto cycles=max something wrong? In DOS non-gamming ap, if I just set core to "simple", what will happan ?

I see. But when I set [cpu/cycles = max], nothing happen? It still slow. Another question: I have a custom's dos ap writen by clipper. If I set [cpu/core = auto], it can't be run. But when I set to "simple", It works ! But others dos ap (writen by clipper also) can run properly, whatever I set to " …

Wow~ It works! thk's very mush. I am so curious, where hide the "cycles" command ?

when I use pkzip.exe in dosbox, it's very very slow. Why?

I'm programming a dos ap in dosbox 0.74. I try to access some files, but it seams very slow ? As I tracing into dosbox.cpp, and try to figure out : How dose Normal_Loop() work ? How dose "ticksxxxxxx" variables mean ? How dose "CPU_xxxxxx" variables work (in cpu.cpp) ? They must be under a cursed ! …