dosbox.conf

[sdl]
fullscreen=true
fulldouble=false
fullresolution=1280x1000
windowresolution=original
output=openglnb

[render]
scaler=none
aspect=true

[cpu]
core=dynamic
cputype=auto
cycles=auto

[mixer]
rate=22050
blocksize=2048
prebuffer=10

[sblaster]
sbtype=sb16
sbbase=220
irq=7
dma=1
hdma=5
mixer=true
oplmode=auto
oplrate=22050

[autoexec]
cls
mount c .
c:
novert.com
doom -config DOOM.CFG
exit