Hardware Registers

R Read-Only
W Write-Only
M Read/Write
0 Always 0
1 Always 1
X Unknown / Unused
S Strobe. Writting and reading does not work as expected

 

Register 7 6 5 4 3 2 1 0 Description
00 X X X X X X X X Unknown
01 X X X X X X X X Unknown
02 X X X X X X X X Unknown
03 X X X X X X X X Unknown
04 X X X X X X X X Unknown
05 X X X X X X X X Unknown
06 X X X X X X X X Unknown
07 X X X X X X X X Unknown
08 0 0 0 0 0 0 W M Second Counter
09 R R R R R R R R
0A R R R R R R R R
0B R R R R R R R R
0C X X X X X X X X Unknown
0D X X X X X X X X Unknown
0E X X X X X X X X Unknown
0F X X X X X X X X Unknown
10 X X X X X X X X Unknown
11 X X X X X X X X Unknown
12 X X X X X X X X Unknown
13 X X X X X X X X Unknown
14 X X X X X X X X Unknown
15 X X X X X X X X Unknown
16 X X X X X X X X Unknown
17 X X X X X X X X Unknown
18 X X X X X X X X Unknown
19 X X X X X X X X Unknown
1A X X X X X X X X Unknown
1B X X X X X X X X Unknown
1C X X X X X X X X Unknown
1D X X X X X X X X Unknown
1E X X X X X X X X Unknown
1F X X X X X X X X Unknown
20 X X X X X X X X Unknown
21 X X X X X X X X Unknown
22 X X X X X X X X Unknown
23 W W W W W W W W IRQ Enable
24 W W W W W W W W
25 W W W W W W W W
26 W W W W W W W W
27 S S S S S S S S IRQ Strobe
28 X S S S S S S X
29 S S S S S S S S
2A S S X X X X X X
2B X X X X X X X X Unknown
2C X X X X X X X X Unknown
2D X X X X X X X X Unknown
2E X X X X X X X X Unknown
2F X X X X X X X X Unknown
30 M X X X X M W M Timer 0
31 X X X X X X M M
32 M M M M M M M M
33 M M M M M M M M
34 M M M M M M M M
35 M M M M M M M M
36 R R R R R R R R
37 R R R R R R R R
38 M X X X X M W M Timer
39 X X X X M X X X
3A M M M M M M M M
3B M M M M M M M M
3C M M M M M M M M
3D M M M M M M M M
3E R R R R R R R R
3F R R R R R R R R
40 0 0 0 0 0 0 W M 256Hz Counter
41 R R R R R R R R
42 X X X X X X X X Unknown
43 X X X X X X X X Unknown
44 X X X X X X X X Unknown
45 X X X X X X X X Unknown
46 X X X X X X X X Unknown
47 X X X X X X X X Unknown
48 M X X X X M W M Audio Timer 2
49 X X X X M X X X
4A M M M M M M M M
4B M M M M M M M M
4C M M M M M M M M
4D M M M M M M M M
4E R R R R R R R R
4F R R R R R R R R
50 X X X X X X X X Unknown
51 X X X X X X X X Unknown
52 R R R R R R R R Key-pad
53 X X X X X X X X Unknown
54 X X X X X X X X Unknown
55 X X X X X X X X Unknown
56 X X X X X X X X Unknown
57 X X X X X X X X Unknown
58 X X X X X X X X Unknown
59 X X X X X X X X Unknown
5A X X X X X X X X Unknown
5B X X X X X X X X Unknown
5C X X X X X X X X Unknown
5D X X X X X X X X Unknown
5E X X X X X X X X Unknown
5F X X X X X X X X Unknown
60 M M M M M M M M External Hardware
61 M M M M M M M M
62 X X X X X X X X Unknown
63 X X X X X X X X Unknown
64 X X X X X X X X Unknown
65 X X X X X X X X Unknown
66 X X X X X X X X Unknown
67 X X X X X X X X Unknown
68 X X X X X X X X Unknown
69 X X X X X X X X Unknown
6A X X X X X X X X Unknown
6B X X X X X X X X Unknown
6C X X X X X X X X Unknown
6D X X X X X X X X Unknown
6E X X X X X X X X Unknown
6F X X X X X X X X Unknown
70 0 0 0 0 0 M M M Audio volume 0 (?)
71 0 0 0 0 0 M M M Audio volume 1
72 X X X X X X X X Unknown
73 X X X X X X X X Unknown
74 X X X X X X X X Unknown
75 X X X X X X X X Unknown
76 X X X X X X X X Unknown
77 X X X X X X X X Unknown
78 X X X X X X X X Unknown
79 X X X X X X X X Unknown
7A X X X X X X X X Unknown
7B X X X X X X X X Unknown
7C X X X X X X X X Unknown
7D X X X X X X X X Unknown
7E X X X X X X X X Unknown
7F X X X X X X X X Unknown
80 0 0 M M M M M M LCD Control
81 R R R R M M M M
82 M M M M M 0 0 0 Map tile base address (low)
83 M M M M M M M M Map tile base address (mid)
84 0 0 0 M M M M M Map tile base address (high)
85 0 M M M M M M M Map Y Scroll
86 0 M M M M M M M Map X Scroll
87 M M 0 0 0 0 0 0 Sprite tile base address (low)
88 M M M M M M M M Sprite tile base address (mid)
89 0 0 0 M M M M M Sprite tile base address (high)
8A X X X X X X X X Unknown
8B X X X X X X X X Unknown
8C X X X X X X X X Unknown
8D X X X X X X X X Unknown
8E X X X X X X X X Unknown
8F X X X X X X X X Unknown
90 X X X X X X X X Unknown
91 X X X X X X X X Unknown
92 X X X X X X X X Unknown
93 X X X X X X X X Unknown
94 X X X X X X X X Unknown
95 X X X X X X X X Unknown
96 X X X X X X X X Unknown
97 X X X X X X X X Unknown
98 X X X X X X X X Unknown
99 X X X X X X X X Unknown
9A X X X X X X X X Unknown
9B X X X X X X X X Unknown
9C X X X X X X X X Unknown
9D X X X X X X X X Unknown
9E X X X X X X X X Unknown
9F X X X X X X X X Unknown
A0 X X X X X X X X Unknown
A1 X X X X X X X X Unknown
A2 X X X X X X X X Unknown
A3 X X X X X X X X Unknown
A4 X X X X X X X X Unknown
A5 X X X X X X X X Unknown
A6 X X X X X X X X Unknown
A7 X X X X X X X X Unknown
A8 X X X X X X X X Unknown
A9 X X X X X X X X Unknown
AA X X X X X X X X Unknown
AB X X X X X X X X Unknown
AC X X X X X X X X Unknown
AD X X X X X X X X Unknown
AE X X X X X X X X Unknown
AF X X X X X X X X Unknown
B0 X X X X X X X X Unknown
B1 X X X X X X X X Unknown
B2 X X X X X X X X Unknown
B3 X X X X X X X X Unknown
B4 X X X X X X X X Unknown
B5 X X X X X X X X Unknown
B6 X X X X X X X X Unknown
B7 X X X X X X X X Unknown
B8 X X X X X X X X Unknown
B9 X X X X X X X X Unknown
BA X X X X X X X X Unknown
BB X X X X X X X X Unknown
BC X X X X X X X X Unknown
BD X X X X X X X X Unknown
BE X X X X X X X X Unknown
BF X X X X X X X X Unknown
C0 X X X X X X X X Unknown
C1 X X X X X X X X Unknown
C2 X X X X X X X X Unknown
C3 X X X X X X X X Unknown
C4 X X X X X X X X Unknown
C5 X X X X X X X X Unknown
C6 X X X X X X X X Unknown
C7 X X X X X X X X Unknown
C8 X X X X X X X X Unknown
C9 X X X X X X X X Unknown
CA X X X X X X X X Unknown
CB X X X X X X X X Unknown
CC X X X X X X X X Unknown
CD X X X X X X X X Unknown
CE X X X X X X X X Unknown
CF X X X X X X X X Unknown
D0 X X X X X X X X Unknown
D1 X X X X X X X X Unknown
D2 X X X X X X X X Unknown
D3 X X X X X X X X Unknown
D4 X X X X X X X X Unknown
D5 X X X X X X X X Unknown
D6 X X X X X X X X Unknown
D7 X X X X X X X X Unknown
D8 X X X X X X X X Unknown
D9 X X X X X X X X Unknown
DA X X X X X X X X Unknown
DB X X X X X X X X Unknown
DC X X X X X X X X Unknown
DD X X X X X X X X Unknown
DE X X X X X X X X Unknown
DF X X X X X X X X Unknown
E0 X X X X X X X X Unknown
E1 X X X X X X X X Unknown
E2 X X X X X X X X Unknown
E3 X X X X X X X X Unknown
E4 X X X X X X X X Unknown
E5 X X X X X X X X Unknown
E6 X X X X X X X X Unknown
E7 X X X X X X X X Unknown
E8 X X X X X X X X Unknown
E9 X X X X X X X X Unknown
EA X X X X X X X X Unknown
EB X X X X X X X X Unknown
EC X X X X X X X X Unknown
ED X X X X X X X X Unknown
EE X X X X X X X X Unknown
EF X X X X X X X X Unknown
F0 X X X X X X X X Unknown
F1 X X X X X X X X Unknown
F2 X X X X X X X X Unknown
F3 X X X X X X X X Unknown
F4 X X X X X X X X Unknown
F5 X X X X X X X X Unknown
F6 X X X X X X X X Unknown
F7 X X X X X X X X Unknown
F8 X X X X X X X X Unknown
F9 X X X X X X X X Unknown
FA X X X X X X X X Unknown
FB X X X X X X X X Unknown
FC X X X X X X X X Unknown
FD X X X X X X X X Unknown
FE M M M M M M M M LCD Control Data
FF M M M M M M M M



Return to Pokemon Mini specifications.