Drawing the screen: DET1

       Name: DET1                                                    [Show more]
       Type: Subroutine
   Category: Drawing the screen
    Summary: Show or hide the dashboard (for when we die) by sending a #DODIALS
             command to the I/O processor
    Context: See this subroutine in context in the source code
 Variations: See code variations for this subroutine in the different versions
 References: This subroutine is called as follows:
             * DEATH calls DET1


 Arguments:

   X                    The number of text rows to display on the screen (24
                        will hide the dashboard, 31 will make it reappear)


.DET1

 LDA #DODIALS           \ Send the first part of a #DODIALS command to the I/O
 JSR OSWRCH             \ processor

 TXA                    \ Send the new number of rows to the I/O processor, so
 JMP OSWRCH             \ we've now sent a #DODIALS <rows> command