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Elite on the BBC Micro

Version analysis of ECBLB2

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

Code variations between these versions are shown below.

Name: ECBLB2 Type: Subroutine Category: Dashboard Summary: Start up the E.C.M. (indicator, start countdown and make sound)
Light up the E.C.M. indicator bulb on the dashboard, set the E.C.M. countdown timer to 32, and start making the E.C.M. sound.
.ECBLB2 LDA #32 \ Set the E.C.M. countdown timer in ECMA to 32 STA ECMA

Code variation 1 of 1Specific to an individual platform

This variation is blank in the Master version.

Cassette, Flight, 6502SP, Electron

ASL A \ Call the NOISE routine with A = 64 to make the sound JSR NOISE \ of the E.C.M. being switched on
                        \ Fall through into ECBLB to light up the E.C.M. bulb

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