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#define CIA_CRA_SPMODE 0x40
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#define CIA_CRA_TODIN 0x80
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//**************************************************************************
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//**************************************************************************
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// device type definition
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const device_type MOS6526R1 = &device_creator<mos6526r1_device>;
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const device_type MOS6526R2 = &device_creator<mos6526r2_device>;
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const device_type MOS8520 = &device_creator<mos8520_device>;
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//-------------------------------------------------
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// mos6526_device - constructor
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//-------------------------------------------------