46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
// (C) 2018-2022 by Folkert van Heusden
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// Released under Apache License v2.0
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#pragma once
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#include <functional>
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#include <stdint.h>
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#include <stdio.h>
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#include <string>
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#define PDP11TTY_TKS 0177560 // reader status
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#define PDP11TTY_TKB 0177562 // reader buffer
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#define PDP11TTY_TPS 0177564 // puncher status
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#define PDP11TTY_TPB 0177566 // puncher buffer
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#define PDP11TTY_BASE PDP11TTY_TKS
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#define PDP11TTY_END (PDP11TTY_TPB + 2)
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class memory;
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class tty
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{
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private:
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std::function<bool()> poll_char;
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std::function<uint8_t()> get_char;
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std::function<void(char c)> put_char;
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bool have_char { false };
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uint16_t registers[4] { 0 };
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bool withUI { false };
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#if defined(ESP32)
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QueueHandle_t queue { nullptr };
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#endif
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public:
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tty(std::function<bool()> poll_char, std::function<uint8_t()> get_char, std::function<void(char c)> put_char);
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virtual ~tty();
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#if defined(ESP32)
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QueueHandle_t & getTerminalQueue() { return queue; }
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#endif
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uint8_t readByte(const uint16_t addr);
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uint16_t readWord(const uint16_t addr);
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void writeByte(const uint16_t addr, const uint8_t v);
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void writeWord(const uint16_t addr, uint16_t v);
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};
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