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⌂ ∞ ▽ Elite on the 6502

Version analysis of BRP

This code appears in the following versions (click to see it in the source code):

Code variations between these versions are shown below.

       Name: BRP
       Type: Subroutine
   Category: Missions
    Summary: Print an extended token and show the Status Mode screen

Code variation 1 of 3A variation in the comments only

This variation is blank in the Disc (docked) and 6502 Second Processor versions.

Master
 Other entry points:

   BAYSTEP              Go to the docking bay (i.e. show the Status Mode screen)


.BRP

Code variation 2 of 3Related to an advanced feature

The Master version shows the mission briefings in cyan, while the 6502SP version shows the text in white and rotating ship in cyan, and the disc version shows the whole thing in white.

This variation is blank in the Disc (docked) and 6502 Second Processor versions.

Master
 LDX #CYAN              \ Switch to colour 3, which is white or cyan
 STX COL

 JSR DETOK              \ Print the extended token in A

Code variation 3 of 3A variation in the labels only

This variation is blank in the Disc (docked) and 6502 Second Processor versions.

Master
.BAYSTEP

 JMP BAY                \ Jump to BAY to go to the docking bay (i.e. show the
                        \ Status Mode screen) and return from the subroutine
                        \ using a tail call