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Diffstat (limited to 'man')
| -rw-r--r-- | man/manpage.template | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/man/manpage.template b/man/manpage.template index 052ccb63..41f06dc0 100644 --- a/man/manpage.template +++ b/man/manpage.template @@ -28,6 +28,17 @@ specifies a PC speaker driver to use for sound effect playback. Valid options are "Linux" for the Linux console mode driver, "BSD" for the NetBSD/OpenBSD PC speaker driver, and "SDL" for SDL-based emulated PC speaker playback (using the digital output). +.TP +\fBOPL_DRIVER\fR +When using OPL MIDI playback, this environment variable specifies an +OPL backend driver to use. Valid options are "SDL" for an SDL-based +software emulated OPL chip, "Linux" for the Linux hardware OPL driver, +and "OpenBSD" for the OpenBSD/NetBSD hardware OPL driver. + +Generally speaking, a real hardware OPL chip sounds better than software +emulation; however, modern machines do not often include one. If +present, it may still require extra work to set up and elevated +security privileges to access. .SH FILES .TP \fB$HOME/.chocolate-doom/default.cfg\fR |