Level I've tried, and either couldn't, didn't, or haven't finished as of this post:
"Emerald Mine Club" > "Expert Mine 2" > Levels 49, 52;
"Emerald Mine Club" > "Expert Mine 3" > Levels 19, 21, 44, 51, 54, 56, 67, 69, 72, 73, 78, 79, 80;
A lot of those looked like a doors next to fake acid problem.
It looks like the player should be able to go through the door put can't.
Same problem might happen with rolling rocks?
I attached a screenshot and tape of a spot where this happens
Can't go through the blue door even with the blue key.
"Emerald Mine Club" > "Expert Mine 3" > Level 21
~/.rocksndiamonds/tapes/emc_expert_mine_3/021.tape
If you want tape for others, ask and I can add them.
Level 44 looked like it needs wrap around.
some '%'/mod() needed somewhere(s)?
"Emerald Mine Club" > "Expert Mine 3" > Level 44
using Rocks'n'Diamonds 4.1.1.0 with debug compile for better speed control, and
the "WIDESCREEN MODE (1920x1080)" "Custom Artwork" for more viewable playing field" <-- full typical EMC level height, just shy of typical EMC level width.
viewtopic.php?f=5&t=2221
Note: The levels from "Expert Mine 1" have worked fine.