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⌂ ∞ Elite on the BBC Micro and NES

Version analysis of dn2

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

Code variations between these versions are shown below.

       Name: dn2
       Type: Subroutine
   Category: Text

Code variation 1 of 2A variation in the comments only

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

Cassette, Docked, 6502SP, Electron
Master
    Summary: Make a short, high beep and delay for 1 second

    Summary: Make a short, high beep and delay for 0.5 seconds




.dn2

 JSR BEEP               \ Call the BEEP subroutine to make a short, high beep

Code variation 2 of 2Specific to an individual platform

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

Cassette, Docked, 6502SP
Master
Electron
 LDY #50                \ Delay for 50 vertical syncs (50/50 = 1 second) and
 JMP DELAY              \ return from the subroutine using a tail call

 LDY #25                \ Delay for 25 vertical syncs (25/50 = 0.5 second) and
 JMP DELAY              \ return from the subroutine using a tail call

 LDY #200               \ Delay for 200 delay loops and return from the
 JMP DELAY              \ subroutine using a tail call