Version analysis of scacol - Elite on the 6502

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

6502 Second Processor and Master

Code variations between these versions are shown below.

       Name: scacol
       Type: Variable
   Category: Drawing ships
    Summary: Ship colours on the scanner
  Deep dive: The elusive Cougar


.scacol

 EQUB 0                 \ This byte appears to be unused

 EQUB YELLOW2           \ Missile
 EQUB GREEN2            \ Coriolis space station
 EQUB BLUE2             \ Escape pod
 EQUB BLUE2             \ Alloy plate
 EQUB BLUE2             \ Cargo canister
 EQUB RED2              \ Boulder
 EQUB RED2              \ Asteroid
 EQUB RED2              \ Splinter
 EQUB CYAN2             \ Shuttle
 EQUB CYAN2             \ Transporter
 EQUB CYAN2             \ Cobra Mk III
 EQUB MAG2              \ Python
 EQUB MAG2              \ Boa
 EQUB MAG2              \ Anaconda
 EQUB RED2              \ Rock hermit (asteroid)
 EQUB CYAN2             \ Viper
 EQUB CYAN2             \ Sidewinder
 EQUB CYAN2             \ Mamba
 EQUB CYAN2             \ Krait
 EQUB CYAN2             \ Adder
 EQUB CYAN2             \ Gecko
 EQUB CYAN2             \ Cobra Mk I
 EQUB BLUE2             \ Worm
 EQUB CYAN2             \ Cobra Mk III (pirate)
 EQUB CYAN2             \ Asp Mk II
 EQUB MAG2              \ Python (pirate)
 EQUB CYAN2             \ Fer-de-lance
 EQUB CYAN2             \ Moray
 EQUB WHITE2            \ Thargoid
 EQUB CYAN2             \ Thargon
 EQUB CYAN2             \ Constrictor

Code variation 1 of 1Related to the Master version

In the Master version, the Cougar has a cloaking device that hides it from the scanner, unlike in the 6502 Second Processor version, where the Cougar appears on the scanner in cyan.

Tap on a block to expand it, and tap it again to revert.

Master
6502SP
 EQUB 0                 \ Cougar

 EQUB CYAN2             \ These bytes appear to be unused
 EQUD 0
 EQUB 0                 \ The Elite logo
 EQUB CYAN2             \ Cougar

 EQUD 0                 \ These bytes appear to be unused