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BBC Micro Elite

Utility routines: FX200

Name: FX200 [View in context] Type: Subroutine Category: Utility routines Summary: Set the behaviour of the Escape and Break keys
Performs a *FX 200,X command, which controls the behaviour of the Escape and Break keys.
.FX200 LDY #0 \ Call OSBYTE &C8 (200) with Y = 0, so new value is LDA #200 \ set to X, and return from the subroutine using a tail JMP OSBYTE \ call RTS \ This instruction has no effect, as we already returned \ from the subroutine