From 33dea6cf403f5064d3df02d2704f00659dd0c3ce Mon Sep 17 00:00:00 2001 From: Peter Veenstra Date: Mon, 24 Mar 2003 11:37:31 +0000 Subject: [PATCH] added info about frameskip Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@792 --- README | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/README b/README index 2a07ff7b..8709654d 100644 --- a/README +++ b/README @@ -111,6 +111,36 @@ FAQ: 4. Check the site/forum. + +To run resource-demanding games: +=============================== + +DOSBox emulates at the CPU, the sound and graphic cards, and some other +stuff, all at the same time. You can overclock DOSBox by using CTRL+F12, but +you'll be limited by the power of your actual CPU. You can see how much free +time your true CPU has by looking at the Task Manager in Windows 2000/XP and +the System Monitor in Windows 95/98/ME. Once 100% of your real CPU time is +used there is no further way to speed up DOSBox unless you reduce the load +generated by the non-CPU parts of DOSBox. + +So: + +Close every program but DOSBox + +Overclock DOSBox until 100% of your CPU is used (use the utilities above to +check) + +Since VGA emulation is the most demanding part of DOSBox in terms of actual +CPU usage, we'll start here. Increase the number of frames skipped (in +increments of one) by pressing CRTL+F8. Your CPU usage should decrease. +Go back to step 2 and repeat this until the game runs fast enough for you. +Please note that this is a trade off: you lose in fluidity of video what you +gain in speed + +You can also try to disable the sound through the setup utility of the game +to further reduce load on your CPU. + + Building your own Version DOSBox: =================================