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
|
INCLUDE "constants.asm"
SECTION "home/util.asm", ROM0
Function33ef::
; hl = src
; de = dest
; b = y
; c = x
push hl
push de
push bc
ld a, b
dec a
dec a
ld b, $0
.asm_33f7:
add hl, bc
dec a
jr nz, .asm_33f7
pop bc
dec b
ld a, b
push hl
add hl, bc
ld d, h
ld e, l
pop hl
.asm_3403:
push af
push bc
call CopyBytes
pop bc
push bc
ld a, c
xor $ff
ld c, a
ld b, $ff
inc bc
add hl, bc
ld d, h
ld e, l
add hl, bc
pop bc
pop af
dec a
jr nz, .asm_3403
pop hl
pop de
jp CopyBytes
SkipNames::
; Returns hl + a * 6
and a
ret z
ld bc, 6
.loop:
add hl, bc
dec a
jr nz, .loop
ret
AddNTimes::
; Adds bc to hl, a times
and a
ret z
.loop
add hl, bc
dec a
jr nz, .loop
ret
memcmp:: ; TODO: rename
; Compare c bytes at hl and de
; Returns z if all equal, nz otherwise.
.loop:
ld a, [de]
cp [hl]
ret nz
inc de
inc hl
dec c
jr nz, .loop
ret
Function3439::
; Place 2x2 sprite from *de into OAM at slot a
ld h, HIGH(wVirtualOAM)
swap a
ld l, a
call .Load
push bc
ld a, $8
add c
ld c, a
call .Load
pop bc
ld a, $8
add b
ld b, a
call .Load
ld a, $8
add c
ld c, a
.Load:
ld [hl], b
inc hl
ld [hl], c
inc hl
ld a, [de]
inc de
ld [hli], a
ld a, [de]
inc de
ld [hli], a
ret
|
