bglass by Konrad Olejnik of K!O /code/effects/lens/bglass.zip	19 Jan 1998 (catalog date) 50,803 bytes
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Bumped glass routine. For TMT pascal. You might call this a bump map type effect. The difference I'm going to call is that bump map routines alter light intensity while lens routines change your position in a texture map. Interesting way to get the timer! :) For C users, that would be int *time = 0x046C. See a BIOS data reference for further details.