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BBC Micro Elite

Copy protection: swine

Name: swine [View in context] Type: Subroutine Category: Copy protection Summary: Resets the machine if the copy protection detects a problem
.swine LDA #%01111111 \ Set 6522 System VIA interrupt enable register IER STA &FE4E \ (SHEILA &4E) bits 0-6 (i.e. disable all hardware \ interrupts from the System VIA) JMP (&FFFC) \ Jump to the address in &FFFC to reset the machine