2014-11-10 14:16:45 +00:00
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#ifndef __CPU_H__
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#define __CPU_H__
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2014-10-18 11:33:48 +00:00
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2015-11-30 14:49:56 +00:00
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#undef PC
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2018-08-10 10:13:45 +00:00
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class Stream;
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2019-03-25 16:12:08 +00:00
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#define O(o, e) case o: e(); break
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#define A(o, e, a) case o: e(a); break
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#define C(o) case o:
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#define D(e) default: e(); break
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2019-02-25 12:10:33 +00:00
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2014-10-21 18:41:44 +00:00
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class CPU: public Checkpointable {
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2014-10-18 11:33:48 +00:00
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public:
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2019-03-25 16:12:08 +00:00
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virtual ~CPU() {}
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2014-11-20 08:28:01 +00:00
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virtual void run(unsigned instructions) =0;
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2016-01-23 21:15:14 +00:00
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virtual void reset() =0;
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2019-03-03 14:38:11 +00:00
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virtual void raise(uint8_t level) =0;
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2016-01-24 11:55:50 +00:00
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virtual char *status(char *buf, size_t n, bool hdr) =0;
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2014-10-18 11:33:48 +00:00
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2014-10-21 18:41:44 +00:00
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virtual void checkpoint(Stream &s) = 0;
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virtual void restore(Stream &s) = 0;
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2016-01-23 21:15:14 +00:00
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inline bool halted() { return _halted; }
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2014-10-31 08:18:15 +00:00
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2014-10-18 11:33:48 +00:00
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protected:
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2016-01-24 11:55:50 +00:00
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CPU(Memory &mem): _mem(mem), _halted(false) {}
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2014-11-21 12:44:52 +00:00
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Memory &_mem;
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2015-11-30 14:49:56 +00:00
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Memory::address PC;
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2016-01-24 11:55:50 +00:00
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bool _halted;
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2014-10-18 11:33:48 +00:00
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};
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#endif
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