* Added framebuffer as a local variable.
* Removed unnessesary alignment of framebuffer ptr to 32-bit.
drawLineSegment2x32()
* Added framebuffer as a local variable.
drawLineNormal1x32()
drawLineNormal2x32()
* Added framebuffer as a local variable.
* Calculating the pixel value once (in 2x32)
* Compacted the code somewhat to make it smaller.
drawDual1x32()
drawDual2x32()
* Added framebuffer as a local variable.
* The main loop now only calculates one pixel per iteration.
* Calculating the pixel value once (in 2x32)
* Compacted the code somewhat to make it smaller.
