Drawing the screen: TEXT

       Name: TEXT                                                    [Show more]
       Type: Subroutine
   Category: Drawing the screen
    Summary: Switch to the text screen mode
    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * TTX66K calls TEXT


.TEXT

 LDA $C054              ; Select page 1 display (i.e. main screen memory) by
                        ; reading the PAGE20FF soft switch

 LDA $C051              ; Select the text mode by reading the TEXTON soft switch

 SEC                    ; Set bit 7 of text to indicate that we are now in the
 ROR text               ; text screen mode

 RTS                    ; Return from the subroutine