Apple1-esp/io.h

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549 B
C
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#pragma once
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class serial_kbd;
class disp;
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class io: public Memory::Device {
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public:
io(filer &files, serial_kbd &kbd, disp &dsp):
Memory::Device(Memory::page_size), files(files), _kbd(kbd), _dsp(dsp) {}
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void reset();
bool start();
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void operator=(uint8_t b) { _pia.write(_acc, b); }
operator uint8_t() { return _pia.read(_acc); }
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void checkpoint(Stream &);
void restore(Stream &);
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void poll();
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void load();
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filer &files;
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private:
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PIA _pia;
serial_kbd &_kbd;
disp &_dsp;
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void enter(uint8_t);
bool _loading;
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uint8_t _ch;
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};