Undocumented Library

Constants:

name:value:description:
bmOra0
bmAnd1
bmXor2
// bsSolid0
// bsClear1
tMode: array [0..2] of byte($11,$31,$51)ora, and, eor
tpix: array [0..7] of byte($80,$40,$20,$10,$08,$04,$02,$01)