/**********************************************************
**   TC.H
**   Coco/R C Taste Example.
**   Adapted to C++ by Frankie Arzu <farzu@uvg.edu.gt>
**      from Moessenboeck's (1990) Oberon example
**
**   May 24, 1996  Version 1.06
**   Oct 11, 1997  Version 1.07 (No change)
**   Jun 16, 1998  Version 1.08 (Minor changes)
**********************************************************/

extern int progStart;     /* address of first instruction of main program */
extern int pc;            /* program counter */

void Emit (int op);
void Emit2 (int op, int val);
void Emit3 (int op, int level, int adr);
void Fixup (int adr);
void Interpret();

/* operators */

#define PLUS   0
#define MINUS  1
#define TIMES  2
#define SLASH  3
#define EQU    4
#define LSS    5
#define GTR    6

/* opcodes */

#define ADD    0
#define SUB    1
#define MUL    2
#define DIVI   3
#define EQU    4
#define LSS    5
#define GTR    6
#define LOAD   7
#define LIT    8
#define STO    9
#define CALL  10
#define RET   11
#define RES   12
#define JMP   13
#define FJMP  14
#define HALTc 15
#define NEG   16
#define READ  17
#define WRITE 18