summaryrefslogtreecommitdiff
path: root/asm/filesystem.s
blob: 75af021d78553fd3dd6f3476c106f301d1de1c00 (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
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
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
    .include "asm/macros.inc"
    .include "global.inc"

	.text

	thumb_func_start ReadNARCFile
ReadNARCFile: ; 0x02006314
	push {r3-r7, lr}
	sub sp, #0x60
	add r4, r1, #0x0
	mov r1, #0x0
	str r0, [sp, #0x0]
	str r1, [sp, #0x14]
	str r1, [sp, #0x10]
	str r1, [sp, #0xc]
	add r0, sp, #0x8
	strh r1, [r0, #0x0]
	add r0, sp, #0x18
	add r5, r2, #0x0
	str r3, [sp, #0x4]
	blx FS_InitFile
	add r0, sp, #0x18
	add r1, r4, #0x0
	blx FS_OpenFile
	add r0, sp, #0x18
	mov r1, #0xc
	mov r2, #0x0
	blx FS_SeekFile
	add r0, sp, #0x18
	add r1, sp, #0x14
	mov r2, #0x2
	blx FS_ReadFile
	ldr r4, [sp, #0x14]
	add r0, sp, #0x18
	add r1, r4, #0x4
	mov r2, #0x0
	blx FS_SeekFile
	add r0, sp, #0x18
	add r1, sp, #0x14
	mov r2, #0x4
	blx FS_ReadFile
	add r0, sp, #0x18
	add r1, sp, #0x8
	mov r2, #0x2
	blx FS_ReadFile
	add r0, sp, #0x8
	ldrh r0, [r0, #0x0]
	cmp r0, r5
	bgt _0200637A
	bl ErrorHandling
_0200637A:
	ldr r0, [sp, #0x14]
	mov r2, #0x0
	add r6, r4, r0
	add r0, sp, #0x18
	add r1, r6, #0x4
	blx FS_SeekFile
	add r0, sp, #0x18
	add r1, sp, #0x14
	mov r2, #0x4
	blx FS_ReadFile
	add r4, #0xc
	lsl r1, r5, #0x3
	add r0, sp, #0x18
	add r1, r4, r1
	mov r2, #0x0
	ldr r7, [sp, #0x14]
	blx FS_SeekFile
	add r0, sp, #0x18
	add r1, sp, #0x10
	mov r2, #0x4
	blx FS_ReadFile
	add r0, sp, #0x18
	add r1, sp, #0xc
	mov r2, #0x4
	blx FS_ReadFile
	add r2, r6, r7
	ldr r1, [sp, #0x10]
	add r2, #0x8
	add r2, r2, r1
	ldr r1, [sp, #0x4]
	add r0, sp, #0x18
	add r1, r1, r2
	mov r2, #0x0
	blx FS_SeekFile
	ldr r0, [sp, #0x78]
	cmp r0, #0x0
	bne _020063D6
	ldr r1, [sp, #0xc]
	ldr r0, [sp, #0x10]
	sub r0, r1, r0
_020063D6:
	str r0, [sp, #0x14]
	cmp r0, #0x0
	bne _020063E0
	bl ErrorHandling
_020063E0:
	ldr r1, [sp, #0x0]
	ldr r2, [sp, #0x14]
	add r0, sp, #0x18
	blx FS_ReadFile
	add r0, sp, #0x18
	blx FS_CloseFile
	add sp, #0x60
	pop {r3-r7, pc}

	thumb_func_start LoadFileIntoMemory
LoadFileIntoMemory: ; 0x020063F4
	push {r3-r7, lr}
	sub sp, #0x60
	add r5, r1, #0x0
	mov r1, #0x0
	add r4, r0, #0x0
	str r1, [sp, #0x14]
	str r1, [sp, #0x10]
	str r1, [sp, #0xc]
	add r0, sp, #0x8
	strh r1, [r0, #0x0]
	add r0, sp, #0x18
	str r2, [sp, #0x0]
	str r3, [sp, #0x4]
	blx FS_InitFile
	add r0, sp, #0x18
	add r1, r4, #0x0
	blx FS_OpenFile
	add r0, sp, #0x18
	mov r1, #0xc
	mov r2, #0x0
	blx FS_SeekFile
	add r0, sp, #0x18
	add r1, sp, #0x14
	mov r2, #0x2
	blx FS_ReadFile
	ldr r4, [sp, #0x14]
	add r0, sp, #0x18
	add r1, r4, #0x4
	mov r2, #0x0
	blx FS_SeekFile
	add r0, sp, #0x18
	add r1, sp, #0x14
	mov r2, #0x4
	blx FS_ReadFile
	add r0, sp, #0x18
	add r1, sp, #0x8
	mov r2, #0x2
	blx FS_ReadFile
	add r0, sp, #0x8
	ldrh r0, [r0, #0x0]
	cmp r0, r5
	bgt _0200645A
	bl ErrorHandling
_0200645A:
	ldr r0, [sp, #0x14]
	mov r2, #0x0
	add r6, r4, r0
	add r0, sp, #0x18
	add r1, r6, #0x4
	blx FS_SeekFile
	add r0, sp, #0x18
	add r1, sp, #0x14
	mov r2, #0x4
	blx FS_ReadFile
	add r4, #0xc
	lsl r1, r5, #0x3
	add r0, sp, #0x18
	add r1, r4, r1
	mov r2, #0x0
	ldr r7, [sp, #0x14]
	blx FS_SeekFile
	add r0, sp, #0x18
	add r1, sp, #0x10
	mov r2, #0x4
	blx FS_ReadFile
	add r0, sp, #0x18
	add r1, sp, #0xc
	mov r2, #0x4
	blx FS_ReadFile
	add r2, r6, r7
	ldr r1, [sp, #0x10]
	add r2, #0x8
	add r2, r2, r1
	ldr r1, [sp, #0x4]
	add r0, sp, #0x18
	add r1, r1, r2
	mov r2, #0x0
	blx FS_SeekFile
	ldr r0, [sp, #0x78]
	cmp r0, #0x0
	bne _020064B6
	ldr r1, [sp, #0xc]
	ldr r0, [sp, #0x10]
	sub r0, r1, r0
_020064B6:
	str r0, [sp, #0x14]
	cmp r0, #0x0
	bne _020064C0
	bl ErrorHandling
_020064C0:
	ldr r0, [sp, #0x7c]
	cmp r0, #0x0
	bne _020064D0
	ldr r0, [sp, #0x0]
	ldr r1, [sp, #0x14]
	bl FUN_02016998
	b _020064D8
_020064D0:
	ldr r0, [sp, #0x0]
	ldr r1, [sp, #0x14]
	bl FUN_020169D8
_020064D8:
	add r4, r0, #0x0
	ldr r2, [sp, #0x14]
	add r0, sp, #0x18
	add r1, r4, #0x0
	blx FS_ReadFile
	add r0, sp, #0x18
	blx FS_CloseFile
	add r0, r4, #0x0
	add sp, #0x60
	pop {r3-r7, pc}

	thumb_func_start LoadFromNARC
LoadFromNARC: ; 0x020064F0
	push {r3-r4, lr}
	sub sp, #0x4
	mov r3, #0x0
	lsl r4, r1, #0x2
	ldr r1, _02006508 ; =0x021058A0
	str r3, [sp, #0x0]
	ldr r1, [r1, r4]
	bl ReadNARCFile
	add sp, #0x4
	pop {r3-r4, pc}
	nop
_02006508: .word 0x021058A0

	thumb_func_start LoadFromNarc_2
LoadFromNarc_2: ; 0x0200650C
	push {r4, lr}
	sub sp, #0x8
	mov r3, #0x0
	str r3, [sp, #0x0]
	lsl r4, r0, #0x2
	ldr r0, _02006524 ; =0x021058A0
	str r3, [sp, #0x4]
	ldr r0, [r0, r4]
	bl LoadFileIntoMemory
	add sp, #0x8
	pop {r4, pc}
	.balign 4
_02006524: .word 0x021058A0

	thumb_func_start FUN_02006528
FUN_02006528: ; 0x02006528
	push {r4, lr}
	sub sp, #0x8
	mov r3, #0x0
	str r3, [sp, #0x0]
	mov r4, #0x1
	str r4, [sp, #0x4]
	lsl r4, r0, #0x2
	ldr r0, _02006544 ; =0x021058A0
	ldr r0, [r0, r4]
	bl LoadFileIntoMemory
	add sp, #0x8
	pop {r4, pc}
	nop
_02006544: .word 0x021058A0

	thumb_func_start FUN_02006548
FUN_02006548: ; 0x02006548
	push {r3-r4, lr}
	sub sp, #0x4
	ldr r4, [sp, #0x10]
	str r4, [sp, #0x0]
	lsl r4, r1, #0x2
	ldr r1, _02006560 ; =0x021058A0
	ldr r1, [r1, r4]
	bl ReadNARCFile
	add sp, #0x4
	pop {r3-r4, pc}
	nop
_02006560: .word 0x021058A0

	thumb_func_start FUN_02006564
FUN_02006564: ; 0x02006564
	push {r4, lr}
	sub sp, #0x8
	ldr r4, [sp, #0x10]
	str r4, [sp, #0x0]
	mov r4, #0x0
	str r4, [sp, #0x4]
	lsl r4, r0, #0x2
	ldr r0, _02006580 ; =0x021058A0
	ldr r0, [r0, r4]
	bl LoadFileIntoMemory
	add sp, #0x8
	pop {r4, pc}
	nop
_02006580: .word 0x021058A0

	thumb_func_start FUN_02006584
FUN_02006584: ; 0x02006584
	push {r4, lr}
	sub sp, #0x8
	ldr r4, [sp, #0x10]
	str r4, [sp, #0x0]
	mov r4, #0x1
	str r4, [sp, #0x4]
	lsl r4, r0, #0x2
	ldr r0, _020065A0 ; =0x021058A0
	ldr r0, [r0, r4]
	bl LoadFileIntoMemory
	add sp, #0x8
	pop {r4, pc}
	nop
_020065A0: .word 0x021058A0

	thumb_func_start LoadFromNARC_7
LoadFromNARC_7: ; 0x020065A4
	push {r3-r7, lr}
	sub sp, #0x58
	add r5, r1, #0x0
	mov r1, #0x0
	add r4, r0, #0x0
	str r1, [sp, #0xc]
	str r1, [sp, #0x8]
	str r1, [sp, #0x4]
	add r0, sp, #0x0
	strh r1, [r0, #0x0]
	add r0, sp, #0x10
	blx FS_InitFile
	ldr r1, _0200666C ; =0x021058A0
	lsl r2, r4, #0x2
	ldr r1, [r1, r2]
	add r0, sp, #0x10
	blx FS_OpenFile
	add r0, sp, #0x10
	mov r1, #0xc
	mov r2, #0x0
	blx FS_SeekFile
	add r0, sp, #0x10
	add r1, sp, #0xc
	mov r2, #0x2
	blx FS_ReadFile
	ldr r4, [sp, #0xc]
	add r0, sp, #0x10
	add r1, r4, #0x4
	mov r2, #0x0
	blx FS_SeekFile
	add r0, sp, #0x10
	add r1, sp, #0xc
	mov r2, #0x4
	blx FS_ReadFile
	add r0, sp, #0x10
	add r1, sp, #0x0
	mov r2, #0x2
	blx FS_ReadFile
	add r0, sp, #0x0
	ldrh r0, [r0, #0x0]
	cmp r0, r5
	bgt _0200660A
	bl ErrorHandling
_0200660A:
	ldr r0, [sp, #0xc]
	mov r2, #0x0
	add r6, r4, r0
	add r0, sp, #0x10
	add r1, r6, #0x4
	blx FS_SeekFile
	add r0, sp, #0x10
	add r1, sp, #0xc
	mov r2, #0x4
	blx FS_ReadFile
	add r4, #0xc
	lsl r1, r5, #0x3
	add r0, sp, #0x10
	add r1, r4, r1
	mov r2, #0x0
	ldr r7, [sp, #0xc]
	blx FS_SeekFile
	add r0, sp, #0x10
	add r1, sp, #0x8
	mov r2, #0x4
	blx FS_ReadFile
	add r0, sp, #0x10
	add r1, sp, #0x4
	mov r2, #0x4
	blx FS_ReadFile
	add r2, r6, r7
	ldr r1, [sp, #0x8]
	add r2, #0x8
	add r1, r2, r1
	add r0, sp, #0x10
	mov r2, #0x0
	blx FS_SeekFile
	ldr r1, [sp, #0x4]
	ldr r0, [sp, #0x8]
	sub r0, r1, r0
	str r0, [sp, #0xc]
	bne _02006664
	bl ErrorHandling
_02006664:
	ldr r0, [sp, #0xc]
	add sp, #0x58
	pop {r3-r7, pc}
	nop
_0200666C: .word 0x021058A0

	thumb_func_start FUN_02006670
FUN_02006670: ; 0x02006670
	push {r3-r5, lr}
	add r5, r0, #0x0
	add r0, r1, #0x0
	mov r1, #0x54
	bl FUN_02016998
	add r4, r0, #0x0
	beq _020066EC
	mov r1, #0x0
	str r1, [r4, #0x48]
	blx FS_InitFile
	ldr r1, _020066F0 ; =0x021058A0
	lsl r2, r5, #0x2
	ldr r1, [r1, r2]
	add r0, r4, #0x0
	blx FS_OpenFile
	add r0, r4, #0x0
	mov r1, #0xc
	mov r2, #0x0
	blx FS_SeekFile
	add r1, r4, #0x0
	add r0, r4, #0x0
	add r1, #0x48
	mov r2, #0x2
	blx FS_ReadFile
	ldr r1, [r4, #0x48]
	add r0, r4, #0x0
	add r1, r1, #0x4
	mov r2, #0x0
	blx FS_SeekFile
	add r0, r4, #0x0
	add r1, sp, #0x0
	mov r2, #0x4
	blx FS_ReadFile
	add r1, r4, #0x0
	add r0, r4, #0x0
	add r1, #0x50
	mov r2, #0x2
	blx FS_ReadFile
	ldr r1, [r4, #0x48]
	ldr r0, [sp, #0x0]
	mov r2, #0x0
	add r5, r1, r0
	add r0, r4, #0x0
	add r1, r5, #0x4
	blx FS_SeekFile
	add r0, r4, #0x0
	add r1, sp, #0x0
	mov r2, #0x4
	blx FS_ReadFile
	ldr r0, [sp, #0x0]
	add r0, r5, r0
	str r0, [r4, #0x4c]
_020066EC:
	add r0, r4, #0x0
	pop {r3-r5, pc}
	.balign 4
_020066F0: .word 0x021058A0

	thumb_func_start FUN_020066F4
FUN_020066F4: ; 0x020066F4
	push {r4, lr}
	add r4, r0, #0x0
	blx FS_CloseFile
	add r0, r4, #0x0
	bl FUN_02016A18
	pop {r4, pc}

	thumb_func_start FUN_02006704
FUN_02006704: ; 0x02006704
	push {r4-r6, lr}
	sub sp, #0x8
	add r5, r0, #0x0
	add r0, #0x50
	ldrh r0, [r0, #0x0]
	add r4, r1, #0x0
	add r6, r2, #0x0
	cmp r0, r4
	bhi _0200671A
	bl ErrorHandling
_0200671A:
	ldr r2, [r5, #0x48]
	lsl r1, r4, #0x3
	add r2, #0xc
	add r1, r2, r1
	add r0, r5, #0x0
	mov r2, #0x0
	blx FS_SeekFile
	add r0, r5, #0x0
	add r1, sp, #0x4
	mov r2, #0x4
	blx FS_ReadFile
	add r0, r5, #0x0
	add r1, sp, #0x0
	mov r2, #0x4
	blx FS_ReadFile
	ldr r2, [r5, #0x4c]
	ldr r1, [sp, #0x4]
	add r2, #0x8
	add r1, r2, r1
	add r0, r5, #0x0
	mov r2, #0x0
	blx FS_SeekFile
	ldr r2, [sp, #0x0]
	ldr r1, [sp, #0x4]
	add r0, r6, #0x0
	sub r1, r2, r1
	bl FUN_02016998
	add r4, r0, #0x0
	beq _0200676C
	ldr r3, [sp, #0x0]
	ldr r2, [sp, #0x4]
	add r0, r5, #0x0
	add r1, r4, #0x0
	sub r2, r3, r2
	blx FS_ReadFile
_0200676C:
	add r0, r4, #0x0
	add sp, #0x8
	pop {r4-r6, pc}
	.balign 4

	thumb_func_start FUN_02006774
FUN_02006774: ; 0x02006774
	push {r4-r6, lr}
	sub sp, #0x8
	add r5, r0, #0x0
	add r0, #0x50
	ldrh r0, [r0, #0x0]
	add r4, r1, #0x0
	add r6, r2, #0x0
	cmp r0, r4
	bhi _0200678A
	bl ErrorHandling
_0200678A:
	ldr r2, [r5, #0x48]
	lsl r1, r4, #0x3
	add r2, #0xc
	add r1, r2, r1
	add r0, r5, #0x0
	mov r2, #0x0
	blx FS_SeekFile
	add r0, r5, #0x0
	add r1, sp, #0x4
	mov r2, #0x4
	blx FS_ReadFile
	add r0, r5, #0x0
	add r1, sp, #0x0
	mov r2, #0x4
	blx FS_ReadFile
	ldr r2, [r5, #0x4c]
	ldr r1, [sp, #0x4]
	add r2, #0x8
	add r1, r2, r1
	add r0, r5, #0x0
	mov r2, #0x0
	blx FS_SeekFile
	ldr r3, [sp, #0x0]
	ldr r2, [sp, #0x4]
	add r0, r5, #0x0
	add r1, r6, #0x0
	sub r2, r3, r2
	blx FS_ReadFile
	add sp, #0x8
	pop {r4-r6, pc}

	thumb_func_start FUN_020067D0
FUN_020067D0: ; 0x020067D0
	push {r3-r5, lr}
	sub sp, #0x8
	add r5, r0, #0x0
	add r0, #0x50
	ldrh r0, [r0, #0x0]
	add r4, r1, #0x0
	cmp r0, r4
	bhi _020067E4
	bl ErrorHandling
_020067E4:
	ldr r2, [r5, #0x48]
	lsl r1, r4, #0x3
	add r2, #0xc
	add r1, r2, r1
	add r0, r5, #0x0
	mov r2, #0x0
	blx FS_SeekFile
	add r0, r5, #0x0
	add r1, sp, #0x4
	mov r2, #0x4
	blx FS_ReadFile
	add r0, r5, #0x0
	add r1, sp, #0x0
	mov r2, #0x4
	blx FS_ReadFile
	ldr r1, [sp, #0x0]
	ldr r0, [sp, #0x4]
	sub r0, r1, r0
	add sp, #0x8
	pop {r3-r5, pc}
	.balign 4

	thumb_func_start FUN_02006814
FUN_02006814: ; 0x02006814
	push {r3-r7, lr}
	add r5, r0, #0x0
	add r0, #0x50
	ldrh r0, [r0, #0x0]
	add r4, r1, #0x0
	add r6, r2, #0x0
	add r7, r3, #0x0
	cmp r0, r4
	bhi _0200682A
	bl ErrorHandling
_0200682A:
	ldr r2, [r5, #0x48]
	lsl r1, r4, #0x3
	add r2, #0xc
	add r1, r2, r1
	add r0, r5, #0x0
	mov r2, #0x0
	blx FS_SeekFile
	add r0, r5, #0x0
	add r1, sp, #0x0
	mov r2, #0x4
	blx FS_ReadFile
	ldr r2, [r5, #0x4c]
	ldr r1, [sp, #0x0]
	add r2, #0x8
	add r1, r2, r1
	add r0, r5, #0x0
	add r1, r6, r1
	mov r2, #0x0
	blx FS_SeekFile
	ldr r1, [sp, #0x18]
	add r0, r5, #0x0
	add r2, r7, #0x0
	blx FS_ReadFile
	pop {r3-r7, pc}
	.balign 4