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Added check IRQ is from Mockingboard.
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@ -158,8 +158,11 @@ MOCKAMP PHX
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* Mockingboard interrupt service routine - just calls generic audio ISR
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* Mockingboard interrupt service routine - just calls generic audio ISR
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MOCKISR CLD
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MOCKISR CLD
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* TODO: Check whether interrupt is from Mockingboard or not
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BIT MOCK_6522_IFR ; See if interrupt was from MB
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BIT MOCK_6522_T1CL ; Clear interrupt
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BMI :MOCK ; Yes
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SEC ; We did not service irc
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RTS
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:MOCK BIT MOCK_6522_T1CL ; Clear interrupt
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JSR AUDIOISR
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JSR AUDIOISR
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CLC ; CC indicates we serviced irq
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CLC ; CC indicates we serviced irq
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RTS
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RTS
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