Fastish BITBLT and BITCLR routines.
Fastish BITBLT and BITCLR routines.

froggey/Mezzano,varjagg/Mezzano,AugustusHuang/Mezzano,froggey/Mezzano,rvedam/Mezzano,varjagg/Mezzano,rvedam/Mezzano,AugustusHuang/Mezzano