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Limits in UDG bank switching trick [solved]
Yes - redefining the font to point to the data is an alternative. In that tutorial I did the graphics bank switching thing, because I thought it would be the easiest explanation for Sinclair Basic users. But it's not really the most efficient way to use graphics. Having 21 is a holdover from sinclair basic, and pretty much designed into the ROM. There's only 21 ascii numbers assigned to the UDG; and there's just no way to get more at any one time using this system!

Of course, you can redefine the whole font, or just write a print routine that will print straight to screen from your udg defined bytes in memory, as well. For example <!-- m --><a class="postlink" href=""> ... tchars.bas</a><!-- m --> is designed to blit graphics data straight to the screen.

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