mirror of https://github.com/JorjBauer/aiie.git
38 lines
618 B
C++
38 lines
618 B
C++
#ifndef __NSCLOCK_H
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#define __NSCLOCK_H
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#include <stdint.h>
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#include <stdio.h>
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class AppleMMU;
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class NoSlotClock {
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public:
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NoSlotClock(AppleMMU *mmu);
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virtual ~NoSlotClock();
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bool read(uint8_t s, uint8_t *data);
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void write(uint8_t s);
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protected:
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bool doRead(uint8_t *d);
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void doWrite(uint8_t address);
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void writeNibble(uint8_t n);
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virtual void populateClockRegister() = 0;
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virtual void updateClockFromRegister() = 0;
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protected:
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AppleMMU *mmu;
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uint64_t clockReg;
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uint64_t compareReg;
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uint8_t clockRegPtr;
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uint8_t compareRegPtr;
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bool regEnabled;
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bool writeEnabled;
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};
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#endif
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