blob: c58b808443cbe19c6b43abcb1d98a9d423513eea (
plain)
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
107
108
109
110
111
112
113
114
115
116
117
118
119
|
#include "../copyright"
#ifndef _apumemory_h_
#define _apumemory_h_
extern uint8_t W4;
extern uint8_t APUROM[64];
static inline uint8_t S9xAPUGetByteZ(uint8_t Address)
{
if (Address >= 0xf0 && IAPU.DirectPage == IAPU.RAM)
{
if (Address >= 0xf4 && Address <= 0xf7)
{
IAPU.WaitAddress2 = IAPU.WaitAddress1;
IAPU.WaitAddress1 = IAPU.PC;
return (IAPU.RAM [Address]);
}
if (Address >= 0xfd)
{
IAPU.WaitAddress2 = IAPU.WaitAddress1;
IAPU.WaitAddress1 = IAPU.PC;
uint8_t t = IAPU.RAM [Address];
IAPU.RAM [Address] = 0;
return (t);
}
else if (Address == 0xf3)
return (S9xGetAPUDSP());
return (IAPU.RAM [Address]);
}
return (IAPU.DirectPage [Address]);
}
static inline void S9xAPUSetByteZ(uint8_t byte, uint8_t Address)
{
if (Address >= 0xf0 && IAPU.DirectPage == IAPU.RAM)
{
if (Address == 0xf3)
S9xSetAPUDSP(byte);
else if (Address >= 0xf4 && Address <= 0xf7)
APU.OutPorts [Address - 0xf4] = byte;
else if (Address == 0xf1)
S9xSetAPUControl(byte);
else if (Address < 0xfd)
{
IAPU.RAM [Address] = byte;
if (Address >= 0xfa)
{
if (byte == 0)
APU.TimerTarget [Address - 0xfa] = 0x100;
else
APU.TimerTarget [Address - 0xfa] = byte;
}
}
}
else
IAPU.DirectPage [Address] = byte;
}
static inline uint8_t S9xAPUGetByte(uint32_t Address)
{
Address &= 0xffff;
if (Address == 0xf3)
return S9xGetAPUDSP();
bool zero = (Address >= 0xfd && Address <= 0xff);
uint8_t t = IAPU.RAM [Address];
if (zero || (Address >= 0xf4 && Address <= 0xf7))
{
IAPU.WaitAddress2 = IAPU.WaitAddress1;
IAPU.WaitAddress1 = IAPU.PC;
}
if(zero)
IAPU.RAM [Address] = 0;
return t;
}
static inline void S9xAPUSetByte(uint8_t byte, uint32_t Address)
{
Address &= 0xffff;
if (Address <= 0xff && Address >= 0xf0)
{
if (Address == 0xf3)
S9xSetAPUDSP(byte);
else if (Address >= 0xf4 && Address <= 0xf7)
APU.OutPorts [Address - 0xf4] = byte;
else if (Address == 0xf1)
S9xSetAPUControl(byte);
else if (Address < 0xfd)
{
IAPU.RAM [Address] = byte;
if (Address >= 0xfa)
{
if (byte == 0)
APU.TimerTarget [Address - 0xfa] = 0x100;
else
APU.TimerTarget [Address - 0xfa] = byte;
}
}
}
else
{
if (Address < 0xffc0)
IAPU.RAM [Address] = byte;
else
{
APU.ExtraRAM [Address - 0xffc0] = byte;
if (!APU.ShowROM)
IAPU.RAM [Address] = byte;
}
}
}
#endif
|