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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
.include "asm/macros.inc"
.include "global.inc"
.extern __fadd_start
.text
arm_func_start _frsb
_frsb: ; 0x020EB7A4
eor r0, r0, r1
eor r1, r0, r1
eor r0, r0, r1
arm_func_start _fsub
_fsub: ; 0x020EB7B0
eors r2, r0, r1
eormi r1, r1, #0x80000000
bmi __fadd_start
.global __fsub_start
__fsub_start:
subs r12, r0, r1
eorcc r12, r12, #0x80000000
subcc r0, r0, r12
addcc r1, r1, r12
mov r2, #0x80000000
mov r3, r0, lsr #0x17
orr r0, r2, r0, lsl #0x8
ands r12, r3, #0xff
cmpne r12, #0xff
beq _020EB8D8
mov r12, r1, lsr #0x17
orr r1, r2, r1, lsl #0x8
ands r2, r12, #0xff
beq _020EB918
_020EB7F4:
subs r12, r3, r12
beq _020EB83C
rsb r2, r12, #0x20
movs r2, r1, lsl r2
mov r1, r1, lsr r12
orrne r1, r1, #0x1
subs r0, r0, r1
bpl _020EB880
ands r1, r0, #0xff
add r0, r0, r0
mov r0, r0, lsr #0x9
orr r0, r0, r3, lsl #0x17
tst r1, #0x80
bxeq lr
ands r1, r1, #0x7f
andeqs r1, r0, #0x1
addne r0, r0, #0x1
bx lr
_020EB83C:
subs r0, r0, r1
beq _020EB9E4
mov r2, r3, lsl #0x17
and r2, r2, #0x80000000
bic r3, r3, #0x100
clz r12, r0
movs r0, r0, lsl r12
sub r3, r3, r12
cmp r3, #0x0
bgt _020EB870
rsb r3, r3, #0x9
orr r0, r2, r0, lsr r3
bx lr
_020EB870:
add r0, r0, r0
orr r0, r2, r0, lsr #0x9
orr r0, r0, r3, lsl #0x17
bx lr
_020EB880:
mov r2, r3, lsl #0x17
and r2, r2, #0x80000000
bic r3, r3, #0x100
clz r12, r0
movs r0, r0, lsl r12
sub r3, r3, r12
cmp r3, #0x0
bgt _020EB8AC
rsb r3, r3, #0x9
orr r0, r2, r0, lsr r3
bx lr
_020EB8AC:
ands r1, r0, #0xff
add r0, r0, r0
orr r0, r2, r0, lsr #0x9
orr r0, r0, r3, lsl #0x17
bxeq lr
tst r1, #0x80
bxeq lr
ands r1, r1, #0x7f
andeqs r1, r0, #0x1
addne r0, r0, #0x1
bx lr
_020EB8D8:
cmp r3, #0x100
movge r2, #0x80000000
movlt r2, #0x0
ands r3, r3, #0xff
beq _020EB940
movs r0, r0, lsl #0x1
bne _020EBA18
mov r12, r1, lsr #0x17
mov r1, r1, lsl #0x9
ands r12, r12, #0xff
beq _020EBA0C
cmp r12, #0xff
blt _020EBA0C
cmp r1, #0x0
beq _020EBA20
b _020EBA18
_020EB918:
cmp r12, #0x100
movge r2, #0x80000000
movlt r2, #0x0
and r3, r3, #0xff
ands r12, r12, #0xff
beq _020EB9A8
_020EB930:
eor r2, r2, #0x80000000
movs r1, r1, lsl #0x1
bne _020EBA18
b _020EBA0C
_020EB940:
movs r0, r0, lsl #0x1
beq _020EB978
mov r0, r0, lsr #0x1
mov r3, #0x1
mov r12, r1, lsr #0x17
mov r1, r1, lsl #0x8
ands r12, r12, #0xff
beq _020EB9A8
cmp r12, #0xff
beq _020EB930
orr r1, r1, #0x80000000
orr r3, r3, r2, lsr #0x17
orr r12, r12, r2, lsr #0x17
b _020EB7F4
_020EB978:
mov r3, r1, lsr #0x17
mov r0, r1, lsl #0x9
ands r2, r3, #0xff
beq _020EB99C
cmp r2, #0xff
blt _020EB9C4
cmp r0, #0x0
bne _020EBA04
b _020EBA0C
_020EB99C:
cmp r0, #0x0
beq _020EB9E4
b _020EB9C4
_020EB9A8:
movs r1, r1, lsl #0x1
beq _020EB9CC
mov r1, r1, lsr #0x1
mov r12, #0x1
orr r12, r12, r2, lsr #0x17
orr r3, r3, r2, lsr #0x17
b _020EB7F4
_020EB9C4:
mov r0, r1
bx lr
_020EB9CC:
cmp r0, #0x0
subges r3, r3, #0x1
add r0, r0, r0
orr r0, r2, r0, lsr #0x9
orr r0, r0, r3, lsl #0x17
bx lr
_020EB9E4:
mov r0, #0x0
bx lr
_020EB9EC: ; 0x020EB9EC
cmp r0, #0x0
subges r3, r3, #0x1
add r0, r0, r0
mov r0, r0, lsr #0x9
orr r0, r0, r3, lsl #0x17
bx lr
_020EBA04:
mvn r0, #0x80000000
bx lr
_020EBA0C:
mov r0, #0xff000000
orr r0, r2, r0, lsr #0x1
bx lr
_020EBA18:
mvn r0, #0x80000000
bx lr
_020EBA20:
mvn r0, #0x80000000
bx lr
|