|#FBFE||?||[[Dk'tronics Speech Synthesizer]]||Read||Write
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|#FBFE||?%xxxxxxxx 11111110||[[TMPI speech synthesizer]] Data Register ||||Write
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|#FBFF||?%xxxxxxxx 11111111||[[TMPI speech synthesizer]] Command/Status Register ||Read||Write
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|#FBFF||?||[[ACU Real Time Clock (DIY)]] Z80-PIO Configure Port B ||Read||Write