Mode 7 - Rotation

In the SNES world, we are going to represent the fractional values that range from -1 to +1 as -127 to +127. Also, instead of going through 360 values for 360 degrees we are going to cycle through 256 values that represent 360 degrees of rotation. Why? Because we need to have a way of representing positive and negative fractional values and if we cycle through only 256 values we can...