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
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
|
.include "asm/macros.inc"
.include "global.inc"
.text
arm_func_start _dmul
_dmul: ; 0x020EA0B4
stmdb sp!, {r4-r7,lr}
eor lr, r1, r3
and lr, lr, #0x80000000
mov r12, r1, lsr #0x14
mov r1, r1, lsl #0xb
orr r1, r1, r0, lsr #0x15
mov r0, r0, lsl #0xb
movs r6, r12, lsl #0x15
cmnne r6, #0x200000
beq _020EA1BC
orr r1, r1, #0x80000000
bic r12, r12, #0x800
mov r4, r3, lsr #0x14
mov r3, r3, lsl #0xb
orr r3, r3, r2, lsr #0x15
mov r2, r2, lsl #0xb
movs r5, r4, lsl #0x15
cmnne r5, #0x200000
beq _020EA204
orr r3, r3, #0x80000000
bic r4, r4, #0x800
_020EA108:
add r12, r4, r12
umull r5, r4, r0, r2
umull r7, r6, r0, r3
adds r4, r7, r4
adc r6, r6, #0x0
umull r7, r0, r1, r2
adds r4, r7, r4
adcs r0, r0, r6
umull r7, r2, r1, r3
adc r1, r2, #0x0
adds r0, r0, r7
adc r1, r1, #0x0
orrs r4, r4, r5
orrne r0, r0, #0x1
cmp r1, #0x0
blt _020EA154
sub r12, r12, #0x1
adds r0, r0, r0
adc r1, r1, r1
_020EA154:
add r12, r12, #0x2
subs r12, r12, #0x400
bmi _020EA2F0
beq _020EA2F0
mov r6, r12, lsl #0x14
cmn r6, #0x100000
bmi _020EA3F0
movs r2, r0, lsl #0x15
mov r0, r0, lsr #0xb
orr r0, r0, r1, lsl #0x15
add r1, r1, r1
orr r1, lr, r1, lsr #0xc
orr r1, r1, r12, lsl #0x14
ldmeqia sp!, {r4-r7,lr}
bxeq lr
tst r2, #0x80000000
ldmeqia sp!, {r4-r7,lr}
bxeq lr
movs r2, r2, lsl #0x1
andeqs r2, r0, #0x1
ldmeqia sp!, {r4-r7,lr}
bxeq lr
adds r0, r0, #0x1
adc r1, r1, #0x0
ldmia sp!, {r4-r7,lr}
bx lr
_020EA1BC:
bics r12, r12, #0x800
beq _020EA218
orrs r6, r0, r1, lsl #0x1
bne _020EA3A4
mov r4, r3, lsr #0x14
mov r3, r3, lsl #0xb
orr r3, r3, r2, lsr #0x15
mov r2, r2, lsl #0xb
movs r5, r4, lsl #0x15
beq _020EA1F8
cmn r5, #0x200000
bne _020EA390
orrs r5, r2, r3, lsl #0x1
beq _020EA390
b _020EA3A4
_020EA1F8:
orrs r5, r3, r2
beq _020EA3B8
b _020EA390
_020EA204:
bics r4, r4, #0x800
beq _020EA2AC
orrs r6, r2, r3, lsl #0x1
bne _020EA3A4
b _020EA390
_020EA218:
orrs r6, r0, r1, lsl #0x1
beq _020EA280
mov r12, #0x1
cmp r1, #0x0
bne _020EA23C
sub r12, r12, #0x20
movs r1, r0
mov r0, #0x0
bmi _020EA258
_020EA23C:
clz r6, r1
movs r1, r1, lsl r6
rsb r6, r6, #0x20
orr r1, r1, r0, lsr r6
rsb r6, r6, #0x20
mov r0, r0, lsl r6
sub r12, r12, r6
_020EA258:
mov r4, r3, lsr #0x14
mov r3, r3, lsl #0xb
orr r3, r3, r2, lsr #0x15
mov r2, r2, lsl #0xb
movs r5, r4, lsl #0x15
cmnne r5, #0x200000
beq _020EA204
orr r3, r3, #0x80000000
bic r4, r4, #0x800
b _020EA108
_020EA280:
mov r4, r3, lsr #0x14
mov r3, r3, lsl #0xb
orr r3, r3, r2, lsr #0x15
mov r2, r2, lsl #0xb
movs r5, r4, lsl #0x15
beq _020EA404
cmn r5, #0x200000
bne _020EA404
orrs r6, r2, r3, lsl #0x1
beq _020EA3B8
b _020EA3A4
_020EA2AC:
orrs r5, r2, r3, lsl #0x1
beq _020EA404
mov r4, #0x1
cmp r3, #0x0
bne _020EA2D0
sub r4, r4, #0x20
movs r3, r2
mov r2, #0x0
bmi _020EA108
_020EA2D0:
clz r6, r3
movs r3, r3, lsl r6
rsb r6, r6, #0x20
orr r3, r3, r2, lsr r6
rsb r6, r6, #0x20
mov r2, r2, lsl r6
sub r4, r4, r6
b _020EA108
_020EA2F0:
cmn r12, #0x34
beq _020EA388
bmi _020EA3E0
mov r2, r1
mov r3, r0
add r4, r12, #0x34
cmp r4, #0x20
movge r2, r3
movge r3, #0x0
subge r4, r4, #0x20
rsb r5, r4, #0x20
mov r2, r2, lsl r4
orr r2, r2, r3, lsr r5
movs r3, r3, lsl r4
orrne r2, r2, #0x1
rsb r12, r12, #0xc
cmp r12, #0x20
movge r0, r1
movge r1, #0x0
subge r12, r12, #0x20
rsb r4, r12, #0x20
mov r0, r0, lsr r12
orr r0, r0, r1, lsl r4
orr r1, lr, r1, lsr r12
cmp r2, #0x0
ldmeqia sp!, {r4-r7,lr}
bxeq lr
tst r2, #0x80000000
ldmeqia sp!, {r4-r7,lr}
bxeq lr
movs r2, r2, lsl #0x1
andeqs r2, r0, #0x1
ldmeqia sp!, {r4-r7,lr}
bxeq lr
adds r0, r0, #0x1
adc r1, r1, #0x0
ldmia sp!, {r4-r7,lr}
bx lr
_020EA388:
orr r0, r0, r1, lsl #0x1
b _020EA3C8
_020EA390:
ldr r1, _020EA414 ; =0x7FF00000
orr r1, lr, r1
mov r0, #0x0
ldmia sp!, {r4-r7,lr}
bx lr
_020EA3A4:
mov r1, r3
mvn r0, #0x0
bic r1, r0, #0x80000000
ldmia sp!, {r4-r7,lr}
bx lr
_020EA3B8:
mvn r0, #0x0
bic r1, r0, #0x80000000
ldmia sp!, {r4-r7,lr}
bx lr
_020EA3C8:
movs r2, r0
mov r1, lr
mov r0, #0x0
addne r0, r0, #0x1
ldmia sp!, {r4-r7,lr}
bx lr
_020EA3E0:
mov r1, lr
mov r0, #0x0
ldmia sp!, {r4-r7,lr}
bx lr
_020EA3F0:
ldr r1, _020EA414 ; =0x7FF00000
orr r1, lr, r1
mov r0, #0x0
ldmia sp!, {r4-r7,lr}
bx lr
_020EA404:
mov r1, lr
mov r0, #0x0
ldmia sp!, {r4-r7,lr}
bx lr
.balign 4
_020EA414: .word 0x7FF00000
arm_func_end _dmul
|
