65 lines
1.3 KiB
C++
65 lines
1.3 KiB
C++
#ifndef APPLE2IDIOT_H
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#define APPLE2IDIOT_H
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#include <Arduino.h>
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#include "A2I_commands.h"
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/* DATA BUS (numbers mean GPIO port) */
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#define D0R 12
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#define D1R 13
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#define D2R 14
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#define D3R 15
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#define D4R 16
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#define D5R 17
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#define D6R 18
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#define D7R 19
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#define DATA_BUS_SIZE 8
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/* Address Bus */
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#define A0R 21
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#define A1R 22
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#define A2R 23
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#define A3R 25
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#define A4R 26
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#define A5R 27
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#define A6R 32
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#define A7R 33
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#define ADDRESS_BUS_SIZE 8
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#define ESP_COMMAND_ADDRESS 0
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#define APPLE_COMMAND_ADDRESS 1
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#define SHARED_RAM_START_ADDRESS 2
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#define RAM_BUSY 666
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#define MAX_STR_LEN 250 // arbitrary length.
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/* IDT7132S dual port ram chip enable */
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#define RW_PIN 5
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#define RW_WRITE LOW
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#define RW_READ HIGH
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// Deprecated ETX. Use NULL terminated strings now.
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//#define ETX 0 // ASCII "End of Text" (ETX) character
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#define EOS 0
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#define INPUT_35 35
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#define INPUT_34 34
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class Apple2Idiot {
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private:
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void unbusy_ram();
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public:
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Apple2Idiot();
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void init();
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boolean set_address(int address);
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byte read_data(int address);
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boolean write_data(byte address, byte byte_to_write);
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unsigned int write_string_to_shared_ram(String string_to_send, unsigned int address);
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String read_string_from_ram(int address);
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void read_ram(int size_to_read=256);
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};
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#endif
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