Dashboard: SPBLB

       Name: SPBLB                                                   [Show more]
       Type: Subroutine
   Category: Dashboard
    Summary: Light up the space station indicator ("S") on the dashboard
    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * KS4 calls SPBLB
             * NWSPS calls SPBLB
             * RES2 calls SPBLB


.SPBLB

 LDA #LO(SPBT)          ; Set A to the low byte of the address of the character
                        ; definition in SPBT

 LDX #24*8              ; The space station bulb is in character block number 24
                        ; and each character is eight pixels wide, so this sets
                        ; X to the pixel x-coordinate of the bulb we want to
                        ; draw