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⌂ ∞ Elite on the BBC Micro and NES

Stardust: HideStardust

[NES version, Bank 7]

       Name: HideStardust                                            [Show more]
       Type: Subroutine
   Category: Stardust
    Summary: Hide the stardust sprites

    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * LL164 calls HideStardust




.HideStardust

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

 LDX NOSTM              ; Set X = NOSTM so we hide NOSTM+1 sprites

 LDY #152               ; Set Y so we start hiding from sprite 152 / 4 = 38

                        ; Fall through into HideMoreSprites to hide NOSTM+1
                        ; sprites from sprite 38 onwards (i.e. 38 to 58 in
                        ; normal space when NOSTM is 20, or 38 to 41 in
                        ; witchspace when NOSTM is 3)