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⌂ ∞ ▽ Elite on the 6502

Drawing the screen: TRADEMODE

[Commodore 64 version]

       Name: TRADEMODE                                               [Show more]
       Type: Subroutine
   Category: Drawing the screen
    Summary: Clear the screen and set up a trading screen

    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * EQSHP calls TRADEMODE
             * STATUS calls TRADEMODE
             * TT167 calls TRADEMODE
             * TT208 calls TRADEMODE
             * TT213 calls TRADEMODE
             * TT219 calls TRADEMODE
             * TT25 calls TRADEMODE




 Clear the top part of the screen, draw a 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)



.TRADEMODE

 JSR TT66               ; Clear the top part of the screen, draw a border box,
                        ; and set the current view type in QQ11 to A

 JSR FLKB               ; Call FLKB to flush the keyboard buffer

 LDA #48                ; Switch to the palette for trading screens, though this
 JSR DOVDU19            ; doesn't actually do anything in this version of Elite

;LDA #CYAN              ; These instructions are commented out in the original
;JMP DOCOL              ; source

 RTS                    ; Return from the subroutine