itch.io

I understand, but when showing negative values you make the first of the 4 bits negative allowing 7 to -8, but I was wondering if there were other ways of representing negatives.

You don't in-game, you have to go into %appdata% to change it. On windows search for run and run %appdata% (with the percents). It should be somewhere in that file area I don't remember where.

just click the either side of the screen, it shows the dots before placing them.

Add them to the side by clicking. When you save the block they should be there.

How do you represent 8(with 4 bits), if the 4th bit is -8 the highest you can go in 7 with 4 bits.