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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
// license:BSD-3-Clause
// copyright-holders:Bryan McPhail
static struct {
struct {
WREGS w[256];
BREGS b[256];
} reg;
struct {
WREGS w[256];
BREGS b[256];
} RM;
} Mod_RM;
#define RegWord(ModRM) Wreg(Mod_RM.reg.w[ModRM])
#define RegByte(ModRM) Breg(Mod_RM.reg.b[ModRM])
#define GetRMWord(ModRM) \
((ModRM) >= 0xc0 ? Wreg(Mod_RM.RM.w[ModRM]) : ( (this->*s_GetEA[ModRM])(), read_mem_word( m_EA ) ))
#define PutbackRMWord(ModRM,val) \
{ \
if (ModRM >= 0xc0) Wreg(Mod_RM.RM.w[ModRM])=val; \
else write_mem_word(m_EA,val); \
}
#define GetnextRMWord read_mem_word((m_EA&0xf0000)|((m_EA+2)&0xffff))
#define PutRMWord(ModRM,val) \
{ \
if (ModRM >= 0xc0) \
Wreg(Mod_RM.RM.w[ModRM])=val; \
else { \
(this->*s_GetEA[ModRM])(); \
write_mem_word( m_EA ,val); \
} \
}
#define PutImmRMWord(ModRM) \
{ \
WORD val; \
if (ModRM >= 0xc0) \
Wreg(Mod_RM.RM.w[ModRM]) = FETCHWORD(); \
else { \
(this->*s_GetEA[ModRM])(); \
val = FETCHWORD(); \
write_mem_word( m_EA , val); \
} \
}
#define GetRMByte(ModRM) \
((ModRM) >= 0xc0 ? Breg(Mod_RM.RM.b[ModRM]) : read_mem_byte( (this->*s_GetEA[ModRM])() ))
#define PutRMByte(ModRM,val) \
{ \
if (ModRM >= 0xc0) \
Breg(Mod_RM.RM.b[ModRM])=val; \
else \
write_mem_byte( (this->*s_GetEA[ModRM])() ,val); \
}
#define PutImmRMByte(ModRM) \
{ \
if (ModRM >= 0xc0) \
Breg(Mod_RM.RM.b[ModRM])=FETCH(); \
else { \
(this->*s_GetEA[ModRM])(); \
write_mem_byte( m_EA , FETCH() ); \
} \
}
#define PutbackRMByte(ModRM,val) \
{ \
if (ModRM >= 0xc0) \
Breg(Mod_RM.RM.b[ModRM])=val; \
else \
write_mem_byte(m_EA,val); \
}
#define DEF_br8 \
uint32_t ModRM = FETCH(),src,dst; \
src = RegByte(ModRM); \
dst = GetRMByte(ModRM)
#define DEF_wr16 \
uint32_t ModRM = FETCH(),src,dst; \
src = RegWord(ModRM); \
dst = GetRMWord(ModRM)
#define DEF_r8b \
uint32_t ModRM = FETCH(),src,dst; \
dst = RegByte(ModRM); \
src = GetRMByte(ModRM)
#define DEF_r16w \
uint32_t ModRM = FETCH(),src,dst; \
dst = RegWord(ModRM); \
src = GetRMWord(ModRM)
#define DEF_ald8 \
uint32_t src = FETCH(); \
uint32_t dst = Breg(AL)
#define DEF_axd16 \
uint32_t src = FETCH(); \
uint32_t dst = Wreg(AW); \
src += (FETCH() << 8)
|