Credits-url
From DIY-Calculator_Hardware
Credits go to the following people:
Clive "Max" Maxfield for writing the great book "How Computers Do Math"
Alvin Brown for providing the software (assembler, integrated development environment)
The Newcastle University team around Dr Albert Koelmans for their efforts and making the VHDL design available
Lattice Semiconductor for donating a copy of their ispLEVER design software
Tom Anderson from Squak Valley Software for his TASM assembler