Drawing lines: DVLOIN

       Name: DVLOIN                                                  [Show more]
       Type: Subroutine
   Category: Drawing lines
    Summary: Draw a vertical line from (A, GCYT) to (A, GCYB)
    Context: See this subroutine in context in the source code
 References: No direct references to this subroutine in this source file


 This routine is from the Apple II version of Elite and is not used in the BBC
 Master version.


.DVLOIN

 STA X1                 \ Draw a vertical line from (A, GCYT) to (A, GCYB)
 STA X2
 LDA #GCYT
 STA Y1
 LDA #GCYB
 STA Y2
 JMP LOIN