Drawing the screen: ClearDashEdge

       Name: ClearDashEdge                                           [Show more]
       Type: Subroutine
   Category: Drawing the screen
    Summary: Clear the right edge of the dashboard
    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * ClearDashEdge_b6 calls ClearDashEdge


.ClearDashEdge

 JSR SetupPPUForIconBar ; If the PPU has started drawing the icon bar, configure
                        ; the PPU to use nametable 0 and pattern table 0

 LDA #0                 ; Clear the right edge of the box on rows 20 to 27 in
 STA nameBuffer0+20*32  ; nametable buffer 0
 STA nameBuffer0+21*32
 STA nameBuffer0+22*32
 STA nameBuffer0+23*32
 STA nameBuffer0+24*32
 STA nameBuffer0+25*32
 STA nameBuffer0+26*32
 STA nameBuffer0+27*32

 STA nameBuffer1+20*32  ; Clear the right edge of the box on rows 20 to 27 in
 STA nameBuffer1+21*32  ; nametable buffer 1
 STA nameBuffer1+22*32
 STA nameBuffer1+23*32
 STA nameBuffer1+24*32
 STA nameBuffer1+25*32
 STA nameBuffer1+26*32
 STA nameBuffer1+27*32

 RTS                    ; Return from the subroutine