Newer
Older
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
#[cfg(feature = "quirks")]
#[macro_export]
macro_rules! vf_reset {
($self:expr) => {
if $self.quirks.vf_reset {
$self.regs[0xf] = 0;
}
};
}
#[cfg(not(feature = "quirks"))]
#[macro_export]
macro_rules! vf_reset {
($self:expr) => {
$self.regs[0xf] = 0;
};
}
#[cfg(feature = "quirks")]
#[macro_export]
macro_rules! memory {
($self:expr) => {
if $self.quirks.memory {
$self.i = $self.i.saturating_add(1);
}
};
}
#[cfg(not(feature = "quirks"))]
#[macro_export]
macro_rules! memory {
($self:expr) => {
$self.i = $self.i.saturating_add(1);
};
}
#[cfg(feature = "quirks")]
#[macro_export]
macro_rules! display_blank {
( $self:expr ) => {
if $self.quirks.display_blank && $self.wait_vblank != WaitVblank::Vblank {
$self.pause_vblank();
return;
}
$self.wait_vblank = WaitVblank::NotWaiting;
};
}
#[cfg(not(feature = "quirks"))]
#[macro_export]
macro_rules! display_blank {
( $self:expr ) => {};
}
#[cfg(feature = "quirks")]
#[macro_export]
macro_rules! display_blank {
( $self:expr, $y:expr, $y0:expr, $yf:expr ) => {
if $self.quirks.clipping {
$yf = $y0 + $y;
if $yf >= DISPLAY_HEIGHT {
continue;
}
} else {
$yf = ($y0 + $y) % DISPLAY_HEIGHT;
}
};
}
#[cfg(not(feature = "quirks"))]
#[macro_export]
macro_rules! clipping {
( $self:expr, $y:expr, $y0:expr, $yf:expr ) => {
$yf = $y0 + $y;
if $yf >= DISPLAY_HEIGHT {
continue;
}
}
}
#[cfg(feature = "quirks")]
#[macro_export]
macro_rules! shifting {
( $self:expr, $x:expr, $y:expr, $shift:tt ) => {
if $self.quirks.shifting {
$self.regs[$x] = $self.regs[$x] $shift 1;
} else {
$self.regs[$x] = $self.regs[$y] $shift 1;
}
}
}
#[cfg(not(feature = "quirks"))]
#[macro_export]
macro_rules! shifting {
( $self:expr, $x:expr, $y:expr, $shift:tt ) => {
$self.regs[$x] = $self.regs[$y] $shift 1;
}
}
#[cfg(feature = "quirks")]
#[macro_export]
macro_rules! jumping {
( $self:expr, $address:expr, $x:expr ) => {
if $self.quirks.jumping {
$self.pc = $address + $self.regs[$x] as u16;
} else {
$self.pc = $address + $self.regs[0x0] as u16;
}
};
}
#[cfg(not(feature = "quirks"))]
#[macro_export]
macro_rules! jumping {
( $self:expr, $address:expr, $x:expr ) => {
$self.pc = $address + $self.regs[0x0] as u16;
};
}