🚀 go-pugleaf

In <3lbq7h$n...@geraldo.cc.utexas.edu>, chan...@fiat.gslis.utexas.edu (chandler howell) writes:
>This is getting a little frustrating, and I haven't had time to try all 
>possible combinations yet, but under OS/2, Descent runs INCREDIBLY 
>SLOW--frame rate of maybe 1 frame every two seconds.  It's not the 
>machine (I don't think):
>
>	486-66DX2 w/16MB RAM
>	Diamond Stealth Pro VLB
>	PAS-16

Our systems, although I am running a Pent.

>I've wondered if it has to do with the sound card (a common problem) or 
>something else.

Probably not since the main problem you are having is video, but I 
don't know much about PAS16 cards

  I've set DPMI to enabled and tried 8, 12, 16 MB of 
>DPMI.

For DOS emulation purposes, your memory settings don't have to
correspond to your actual installed memory.  (See my settings
below.)  For some reason, this is especially true where DPMI 
is concerned.

Since it has come up several times in the last few days, here
are my settings for Descent:

The only one I am not sure about is the DOS_UMB.  The others
are good for my system, YMMV.

Best of Luck,

Doug

Descent - Settings
=================================

AUDIO_ADAPTER_SHARING=Required

COM_DIRECT_ACCESS=Off

COM_HOLD=Off

COM_RECEIVE_BUFFER_FLUSH=NONE

COM_SELECT=ALL

DOS_AUTOEXEC=E:\AUTOEXEC.BAT

DOS_BACKGROUND_EXECUTION=Off

DOS_BREAK=Off

DOS_DEVICE  [none]

DOS_FCBS=16

DOS_FCBS_KEEP=8

DOS_FILES=20

DOS_HIGH=On

DOS_LASTDRIVE=F

DOS_RMSIZE=640

DOS_SHELL=E:\OS2\MDOS\COMMAND.COM E:\OS2\MDOS

DOS_STARTUP_DRIVE  [none]

DOS_UMB=On

DOS_VERSION  [default]

DPMI_DOS_API=ENABLED

DPMI_MEMORY_LIMIT=128

DPMI_NETWORK_BUFF_SIZE=1

EMS_FRAME_LOCATION=NONE

EMS_HIGH_OS_MAP_REGION  [default]

EMS_LOW_OS_MAP_REGION  [default]

EMS_MEMORY_LIMIT=0

HW_NOSOUND=Off

HW_ROM_TO_RAM=Off

HW_TIMER=On

IDLE_SECONDS=0

IDLE_SENSITIVITY=75

INT_DURING_IO=On

KBD_ALTHOME_BYPASS=Off

KBD_BUFFER_EXTEND=On

KBD_CTRL_BYPASS=NONE

KBD_RATE_LOCK=Off

MEM_EXCLUDE_REGIONS  [none]

MEM_INCLUDE_REGIONS  [none]

MOUSE_EXCLUSIVE_ACCESS=Off

PRINT_SEPARATE_OUTPUT=On

PRINT_TIMEOUT=15

SESSION_PRIORITY=1

VIDEO_8514A_XGA_IOTRAP=Off

VIDEO_FASTPASTE=Off

VIDEO_MODE_RESTRICTION=NONE        

VIDEO_ONDEMAND_MEMORY=On

VIDEO_RETRACE_EMULATION=Off

VIDEO_ROM_EMULATION=On

VIDEO_SWITCH_NOTIFICATION=Off

VIDEO_WINDOW_REFRESH=1

XMS_HANDLES=32

XMS_MEMORY_LIMIT=0

XMS_MINIMUM_HMA=0