00=empty
01=platform you can stand on but walk/jump through
02=block you can't power grip onto
03=nothing  as far as I can tell
07=you can't but enemies can go through
08=nothing  as far as I can tell
09=zipline wall
10=block
11=high slant R
12=high slant L
13=slight slant R
14=moderate slant R
15=moderate slant L
16=slight slant L
17=you can but enemies can't go through
18-1a=block
1b=water
1C=wet ground
1d=dusty ground
1e=block
1f=nothing  as far as I can tell
20=zoneline
21=???(from Norfair 21)
22-26=same as 21(think thay're roof slants)
27=elevator zoneline up
28=elevator zoneline down
29=elevator up
2a=elevator down
2b=nothing as far as I can tell
2c=very wet ground
2d=very dusty ground
2e-2f=nothing as far as I can tell
30=gray door(only works on some doors)
31-35=nothing as far as I can tell
36=regular door(only works on some doors)
37-3f=nothing as far as I can tell
40=missle door(only works on some doors)
41-45=nothing as far as I can tell
46=super missle door(only works on some doors)
47-4b=nothing as far as I can tell
4C=power bomb door(only works on some doors)
4d-4f=nothing as far as I can tell
50=2X2 block shootable bottom left
51=2X2 block shootable bottom right
53=same as 50(reforms when you leave the room)
54=same as 51(reforms when you leave the room)
55=shootable
56=fall through
57=bomb block(reforms when you leave the room)
58=missle block(never reforms)
59=super missle block(never reforms)
5a=speed block(reforms when you leave the room)
5b=power bomb block(never reforms)
5c=energy tank
5d=missle tank
5e=super missle tank
5f=power bomb upgrade
60=2X2 block shootable bottom left
61=2X2 block shootable bottom right
62=shootable reforming
63=same as 61(reforms when you leave the room)
64=same as 62(reforms when you leave the room)
65=nothing as far as I can tell
66=slow fall through block
67=bomb block(reforms)
68=missle block(reforms when you leave the room)
69=super missle block(reforms when you leave the room)
6a=speed block(instant reforming)
6b=screw attack block
6c=hidden energy tank
6d=hidden missle tank
6e=hidden super missle tank
6f=hidden power bomb upgrade
70-73=bomb block chain up/down
74-77=bomb block chain left/right
77-7b=nothing as far as I can tell
7c=energy tank(under water)
7d=missle tank(under water)
7e=super missle tank(under water)
7f=power bomb upgrade(under water)
80=foreground trigger solid
81=foreground trigger transparent lvl1
82=foreground trigger transparent lvl2
83=foreground trigger transparent lvl3
84=foreground trigger transparent lvl4
85=foreground trigger transparent lvl5
86=foreground trigger completely transparent
87-8A=nothing as far as I can tell
8b=??? from Ridly 4
8c-9f=nothing as far as I can tell
A0=weak lava
A1=strong lava
A2=flamin' powerful lava