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https://github.com/jscrane/r65emu.git
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4fa4faa278
* ps/2 and hardware serial keyboards * serial keyboard * add ps2_kbd shim * hardware_run() and hardware_debug_cpu() * ... * ... * updates * refactoring * refactoring * run instructions
33 lines
673 B
C++
33 lines
673 B
C++
#ifndef __CPU_H__
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#define __CPU_H__
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#undef PC
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class Stream;
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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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class CPU: public Checkpointable {
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public:
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virtual ~CPU() {}
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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(uint8_t level) =0;
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virtual char *status(char *buf, size_t n, bool hdr = false) =0;
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virtual void checkpoint(Stream &s) = 0;
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virtual void restore(Stream &s) = 0;
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inline bool halted() { return _halted; }
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protected:
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CPU(Memory &mem): _mem(mem), _halted(false) {}
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Memory &_mem;
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Memory::address PC;
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bool _halted;
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};
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#endif
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