55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
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/*
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Copyright (C) 1994-1995 Apogee Software, Ltd.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <conio.h>
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#include <dos.h>
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/* QUESIZE must be a power of 2 */
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#define QUESIZE 2048
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typedef struct
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{
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int head, tail; // bytes are put on head and pulled from tail
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int size;
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unsigned char data[QUESIZE];
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} que_t;
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extern que_t inque, outque;
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extern int irq;
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extern int uart;
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extern int comport;
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extern long baudrate;
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#define QueSpot(index) (((index) & (QUESIZE-1)))
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void jump_start( void );
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void interrupt isr_8250 (void);
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void interrupt isr_16550 (void);
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boolean Is8250 ( void );
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void GetUart ( void );
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void InitPort ( void );
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void ShutdownPort ( void );
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int read_byte( void );
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void write_byte( unsigned char c );
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void write_bytes( char *buf, int count );
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void write_buffer( char *buffer, unsigned int count );
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