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1 /* v09.h
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2 This file is part of the 6809 simulator v09
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3
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4 created 1994 by L.C. Benschop.
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5 copyleft (c) 1994-2014 by the sbc09 team, see AUTHORS for more details.
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6 license: GNU General Public License version 2, see LICENSE for more details.
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7
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8 */
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9
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10 typedef unsigned char Byte;
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11 typedef unsigned short Word;
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12
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13 /* 6809 registers */
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14 engine Byte ccreg,dpreg;
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15 engine Word xreg,yreg,ureg,sreg,ureg,pcreg;
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16
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17 engine Byte d_reg[2];
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18 extern Word *dreg;
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19 extern Byte *breg,*areg;
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20
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21 /* 6809 memory space */
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22 #ifdef MSDOS
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23 engine Byte * mem;
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24 #else
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25 engine Byte mem[65536];
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26 #endif
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27
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28 engine volatile int tracing,attention,escape,irq;
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29 engine Word tracehi,tracelo;
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30 engine char escchar;
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31 engine int timer;
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32 engine FILE *tracefile;
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33
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34 #define IOPAGE 0xe000
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35
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36 void interpr(void);
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37 void do_exit(void);
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38 int do_input(int);
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39 void set_term(char);
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40 void do_trace(FILE *);
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41 void do_output(int,int);
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42 void do_escape(void);
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43
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44
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