123 lines
2.7 KiB
C
Executable File
123 lines
2.7 KiB
C
Executable File
/**
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* PLATOTerm64 - A PLATO Terminal for the Commodore 64
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* Based on Steve Peltz's PAD
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*
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* Author: Thomas Cherryhomes <thom.cherryhomes at gmail dot com>
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*
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* terminal.c - Terminal state functions
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*/
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#ifndef TERMINAL_H
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#define TERMINAL_H
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#include "protocol.h"
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/**
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* terminal_init()
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* Initialize terminal state
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*/
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void terminal_init(void);
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/**
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* terminal_initial_position()
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* Set terminal initial position after splash screen.
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*/
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void terminal_initial_position(void);
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/**
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* terminal_set_tty(void) - Switch to TTY mode
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*/
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void terminal_set_tty(void);
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/**
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* terminal_set_plato(void) - Switch to PLATO mode
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*/
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void terminal_set_plato(void);
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/**
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* terminal_get_features(void) - Inquire about terminal ASCII features
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*/
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unsigned char terminal_get_features(void);
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/**
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* terminal_get_type(void) - Return the appropriate terminal type
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*/
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unsigned char terminal_get_type(void);
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/**
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* terminal_get_subtype(void) - Return the appropriate terminal subtype
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*/
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unsigned char terminal_get_subtype(void);
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/**
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* terminal_get_load_file(void) - Return the appropriate terminal loadfile (should just be 0)
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*/
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unsigned char terminal_get_load_file(void);
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/**
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* terminal_get_configuration(void) - Return the terminal configuration
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*/
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unsigned char terminal_get_configuration(void);
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/**
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* terminal_get_char_address(void) - Return the base address of the character set.
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*/
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unsigned short terminal_get_char_address(void);
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/**
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* terminal_mem_read - Read a byte of program memory.
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* not needed for our terminal, but must
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* be decoded.
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*/
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padByte terminal_mem_read(padWord addr);
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/**
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* terminal_mem_load - Write a byte to non-character memory.
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* not needed for our terminal, but must be decoded.
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*/
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void terminal_mem_load(padWord addr, padWord value);
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/**
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* terminal_char_load - Store a character into the user definable
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* character set.
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*/
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void terminal_char_load(padWord charnum, charData theChar);
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/**
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* terminal_mode_5, 6, and 7 are basically stubbed.
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*/
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void terminal_mode_5(padWord value);
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void terminal_mode_6(padWord value);
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void terminal_mode_7(padWord value);
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/**
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* terminal_ext_allow - External Input allowed. Not implemented.
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*/
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void terminal_ext_allow(padBool allow);
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/**
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* terminal_set_ext_in - Set which device to get input from.
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* Not implemented
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*/
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void terminal_set_ext_in(padWord device);
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/**
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* terminal_set_ext_out - Set which device to send external data to.
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* Not implemented
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*/
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void terminal_set_ext_out(padWord device);
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/**
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* terminal_ext_in - get an external input from selected device.
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* Not implemented.
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*/
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padByte terminal_ext_in(void);
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/**
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* terminal_ext_out - Send an external output to selected device
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* Not implemented.
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*/
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void terminal_ext_out(padByte value);
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#endif
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