dmx_dmx.op2 - DMX, Heretic, Hexen, Doom Beta, Strife Demo
dmx_doom1.op2 - Doom, Ultimate Doom, Chex Quest
dmx_doom2.op2 - Doom II, Final Doom
dmx_strife.op2 - Strife
dmx_raptor.op2 - Raptor
wolfinstein.op2 - Wolfinstein 3D
dmxopl.op2 - DMXOPL by Sneakernets
genmid01.op2 - GENMID01 by Dan L'Ecuyer
hisymak.op2 - Hisymak's GENMIDI
freedoom.op2 - Freedoom
dansgm.op2 - Daniel's GENMIDI

GENMIDI.OP2 installation:
1. Create OPLSynth folder in C:\ disk root.
2. Copy *.op2 files to C:\OPLSynth folder.
3. Rename needed op2 file to genmidi.op2.
DMXOPTION toggles: 
OPL3 mode enable: 
Set DMXOPTION environment variable to "-opl3" 
Doom 1 1.666 mode enable: 
Set DMXOPTION environment variable to "-doom1" 
Doom 21.666, Heretic, Hexenmode enable: 
Set DMXOPTION environment variable to "-doom2" 
You also can combine OPL3 mode with Doom 1.666 modes. eg set variable to "-opl3-doom1"
Extended version features: 
Full stereo pan pot. 
Set DMXOPTION environment variable to "-extstereo". 
Multiple OPL3 chip mode. 
Set DMXOPTION environment variable to "-chipsN", where N is number of emulated chips(up to 8 chips).
