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Elite on the BBC Micro

Version analysis of VEC

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

Code variations between these versions are shown below.

Code variation 1 of 2A variation in the comments only

This variation is blank in the 6502 Second Processor version.

Cassette, Flight, Master

Name: VEC Type: Variable Category: Screen mode Summary: The original value of the IRQ1 vector
.VEC

Code variation 2 of 2Minor and very low-impact

Tap on a version to expand it, and tap it again to show to all variations.

Cassette, 6502SP

Flight

Master

SKIP 2 \ VEC = &7FFE \ \ This gets set to the value of the original IRQ1 vector \ by the loading process
EQUW &0004 \ VEC = &7FFE \ \ This gets set to the value of the original IRQ1 vector \ by the loading process \ \ This default value is presumably noise included at the \ time of compilation, as it gets overwritten
EQUW &8888 \ This gets set to the value of the original IRQ1 vector \ by the STARTUP routine
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