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32 lines
413 B
C
32 lines
413 B
C
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#ifndef _PIA6821_H
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#define _PIA6821_H
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#include <stdint.h>
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// http://webpages.charter.net/coinopcauldron/piaarticle.html
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#define DDRA 0
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#define CTLA 1
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#define DDRB 2
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#define CTLB 3
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class PIA6821 {
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public:
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PIA6821();
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~PIA6821();
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uint8_t read(uint8_t addr);
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private:
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uint8_t porta, portb;
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uint8_t ddra, ddrb;
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uint8_t cra, crb; // control registers
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/*
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2 ports - porta, portb
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*/
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};
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#endif
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