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⌂ ∞ Elite on the BBC Micro and NES

Drawing the screen: SetupFullViewInNMI

[NES version, Bank 7]

       Name: SetupFullViewInNMI                                      [Show more]
       Type: Subroutine
   Category: Drawing the screen
    Summary: Configure the PPU to send tiles for the full screen during VBlank

    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * PlayDemo calls SetupFullViewInNMI
             * UpdateScreen calls SetupFullViewInNMI




.SetupFullViewInNMI

 LDA #116               ; Tell the PPU to send nametable entries up to tile
 STA lastNameTile       ; 116 * 8 = 928 (i.e. to the end of tile row 28) in both
 STA lastNameTile+1     ; bitplanes

                        ; Fall through into SetupViewInNMI_b3 to setup the view
                        ; and configure the NMI to send both bitplanes to the
                        ; PPU during VBlank