I am using the Philips PCD8544 display without any libraries and I am having trouble with font sizes. I would like to use fonts twice the size but I haven't found a solution to this.
numlo:
I am using the Philips PCD8544 display without any libraries
That can hardly be a good idea when there is a PCD8544 library available. Henning Karlsen also has a library for the 5110. I haven't used it but it may have different fonts. It also allows you to calls the pins in the programme, which I think is an advantage over the Philips library.