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Updated Windows 3.1/3.11 msadlib.drv for 21st century with support for OPL2LPT/OPL3LPT

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ADLIB21.DRV

This is an updated version of msadlib.drv with support for OPL2LPT and OPL3LPT devices.

BUILDING

See Makefile for details on building. You will need the Windows 3.1 DDK and VC++ 5.2.

BUILD.BAT is used to recreate the prebuilts under PUB\

PREBUILTS

  • PUB\ADLIB is for OPL2/OPL3 Ad Lib cards.
  • OPL2LPT/OPL3LPT
    • PUB\LPT3BC is for port 0x3BC (LPT1 on some machines)
    • PUB\LPT378 is for port 0x378 (LPT1 on most machines)
    • PUB\LPT278 is for port 0x278 (LPT2 on most machines)

There are no prebuilts with OPL=3 as, frankly, the driver doesn't do anything special today outside of some tweaked I/O timings.

INSTALLING

Copy over the exising file under \WINDOWS\SYSTEM. Then, proceed to install Ad Lib support as usual using Control Panel / Drivers.

If you are using OPL2/3 via LPT, you can comment out the vadlibd.386 driver in \WINDOWS\SYSTEM.INI, as it is not used. The regular vpd.386 should be sufficient to deal with any contention issues between Windows and DOS VM users. Find the line that reads:

device=vadlibd.386

...and comment it out by prepending a semicolon, like this:

;device=vadlibd.386

If you had previously installed a 3rd-party sound card driver, your original \WINDOWS\SYSTEM\MIDIMAP.CFG file might have been overwritten. You can either copy over MIDIMAP.CFG from this repository, or add the missing configurations using the "MIDI Sequencer" Control Panel applet. The 'Ad Lib' configuration (which sounds as expected) only sets up channels 13 through 16 (no patch maps). The 'Ad Lib' general sets up all 16 channels.

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Updated Windows 3.1/3.11 msadlib.drv for 21st century with support for OPL2LPT/OPL3LPT

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