copy, 0;
or, 1;
xor, 2;
bic, 3;
notcopy, 4;
notor, 5;
notxor, 6;
notbic, 7;
blend, 32;
addpin, 33;
addover, 34;
subpin, 35;
transparent, 36;
addmax, 37;
subover, 38;
addmin, 39;