Hi,   I'm on a quest to get the PAL chips I need to complete my 1450XL build, and I noticed a few interesting things and also had some questions.  I thought I'd create a new thread rather than pollute the 1450 build thread further.   First of all, the equations that are located here, seem to have some errors. http://www.atarimuseum.com/archives/pdf/computers/8bits/1400-PAL_Chips-and-Equations.PDF   I have a PAL B (CO61917) that I ordered from Best Electronics,