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BBC Micro Elite

Utility routines: TT66

Name: TT66 [View in context] Type: Subroutine Category: Utility routines Summary: Clear the screen and set the current view type
Clear the top part of the screen (mode 4), draw a white border, and set the current view type in QQ11 to A. Arguments: A The type of the new current view (see QQ11 for a list of view types) Other entry points: TT66-2 Call TT66 with A = 1
LDA #1 .TT66 STA QQ11 \ Set the current view type in QQ11 to A \ Fall through into TTX66 to clear the screen and draw a \ white border