Ship hangar: UNWISE

       Name: UNWISE                                                  [Show more]
       Type: Subroutine
   Category: Ship hangar
    Summary: Switch the main line-drawing routine between EOR and OR logic by
             sending a draw_mode command to the I/O processor
    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * HALL calls UNWISE


.UNWISE

 LDA #&94               \ Send command &94 to the I/O processor:
 JMP tube_write         \
                        \   draw_mode()
                        \
                        \ which will toggle the line drawing mode between EOR
                        \ and OR, and return from the subroutine using a tail
                        \ call