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33 lines
633 B
C++
33 lines
633 B
C++
#ifndef __CPU_H__
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#define __CPU_H__
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#ifndef _SETJMP_H
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#include <setjmp.h>
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#endif
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#undef PC
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class CPU: public Checkpointable {
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public:
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virtual void run(unsigned instructions) =0;
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virtual void reset () =0;
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virtual void raise (int level) =0;
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virtual char *status () =0;
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typedef void (*statfn) (const char *, ...);
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virtual void checkpoint(Stream &s) = 0;
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virtual void restore(Stream &s) = 0;
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void debug() { _debug = !_debug; }
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protected:
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CPU (Memory &mem, jmp_buf &e, statfn s): _mem(mem), _err(e), _status(s), _debug(false) {}
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Memory &_mem;
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Memory::address PC;
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jmp_buf &_err;
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statfn _status;
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bool _debug;
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};
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#endif
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