I have been set this as a sort of extra credit style homework for my electronics class and I just need a bit of help.
I don't need to make it as it is just a theory homework.
It has to add 2 bcd numbers together and have a carry in and out.
So far I have managed to draw out the full binary adders will xors on the B inputs for a 1's complement subtractor.
But I can't figure out how to convert the binary out put into bcd, negatives are really the problem here.
Thanks
AL
ps. I'll post some screnshots of what I have made in circ.wizard in a minute
I don't need to make it as it is just a theory homework.
It has to add 2 bcd numbers together and have a carry in and out.
So far I have managed to draw out the full binary adders will xors on the B inputs for a 1's complement subtractor.
But I can't figure out how to convert the binary out put into bcd, negatives are really the problem here.
Thanks
AL
ps. I'll post some screnshots of what I have made in circ.wizard in a minute