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Routines |
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FCE4 | XOR $10 | Flip bit 4 of A (the speaker bit) | ||||||||||||
FCE6 | OUT ($FE),A | Set the border colour and change the speaker state | ||||||||||||
FCE8 | LD B,C | Perform the pitch delay | ||||||||||||
FCE9 | DJNZ $FCE9 | |||||||||||||
FCEB | DEC E | Jump back until the sound effect is finished | ||||||||||||
FCEC | JR NZ,$FCE4 | |||||||||||||
FCEE | DEC D | |||||||||||||
FCEF | JR NZ,$FCE4 | |||||||||||||
FCF1 | RET |
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