1#ifndef COTTON_H
 2#define COTTON_H
 3
 4#define OP_PUSH        0
 5#define OP_CALL        1
 6#define OP_KILL        2
 7#define OP_JMP         3
 8#define OP_FJMP        4
 9
10#define STACK_SIZE     64
11#define JMP_STACK_SIZE 32
12#define MEM_SIZE       1024
13#define VARS_SIZE      64
14
15typedef struct Cotton Cotton;
16
17typedef struct {
18    char *name;
19    void (*code)(Cotton *c);
20} Word;
21
22struct Cotton {
23    int stack[STACK_SIZE];
24    int stack_p;
25
26    int jmp_stack[JMP_STACK_SIZE];
27    int jmp_stack_p; 
28
29    int mem[MEM_SIZE];
30    int instruct_p;
31    int mem_len;
32
33    int vars[VARS_SIZE];
34};
35
36void cotton_init
37(Cotton *c);
38
39void push
40(Cotton *c, int v);
41
42int pop
43(Cotton *c);
44
45#endif