1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
#define DEBUG
#define MPOWER 16
#define MSIZE (1<<MPOWER)
#define CSIZE 1000
/* Local register names */
typedef enum
{
R0, R1, R2, R3, R4, R5, R6, R7,
R_ZERO,
R_PC,
R_CCR,
R_HARD_0,
R_LAST,
} reg_type;
/* Structure used to describe addressing */
typedef struct
{
int type;
int reg;
int literal;
} ea_type;
typedef struct
{
ea_type src;
ea_type dst;
int opcode;
int next_pc;
int oldpc;
int cycles;
#ifdef DEBUG
struct h8_opcode *op;
#endif
}
decoded_inst;
typedef struct
{
int exception;
unsigned int regs[9];
int pc;
int ccr;
unsigned char *memory;
unsigned short *cache_idx;
int cache_top;
int maximum;
int csize;
int mask;
decoded_inst *cache;
int cycles;
int insts;
int ticks;
int compiles;
#ifdef ADEBUG
int stats[O_LAST];
#endif
}
cpu_state_type;
|
