List of worlds with permanent port incompatibility
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Due to various issues that would be logistically impossible to fix or not worth the trouble, or due to exploits of certain buggy/limited aspects of MegaZeux, several games have permanent incompatibility with the port. These games will work differently in MegaZeux 2.80+ through no fault of MegaZeux itself but mostly through limit changes, general bad practices, and buggy behavior of old MZX versions.
The worlds
| World | Category | Reason | Info |
|---|---|---|---|
| #mzxmzx.mzx | Bug Exploit | SET RANDOM -32768 32767 | Used to cause a crash in DOS versions. |
| Trashman Dan | Limit changes | Relies on default values/carry over for sprite width/height and relies on negative values for string chars. | (please clarify) |
| Partition Magic Pro: The Game | Relies on overflowing a 16-bit counter. | With the counter size increased to 32-bit, this takes far longer to do. | |
| Hamlet 2 | DOS naming conventions | Names of files truncated; references in code are in full | The Robotic tries loading extended names of char and palette files, but the files are truncated to 8.3. MZX truncates the filename load in DOS to 8.3, but 2.8+ does not, causing the chars and palettes to remain unloaded. Old copies of Zombie Quest did this too, but this has been fixed in a later version. |
| Several games | Names of files in full; references in code are truncated | See list | |
| Azeroth | Pre-port MegaZeux bug | COPY x y x2 y2 and other commands retained robot line/sub-line positions in program | Breaks the game. |
| Dungeons of Dismay | Makes the game easier than it should be after a certain point. | ||
| Technicolor Cheese Wedge | Unspecified | Unknown | The code used in this game's battle system is nothing short of bizarre, using several tricks that won't work in the port. |
| Torn Creation | Unspecified | Wait 1 issue? | "Lack of wait 1s in the scrolling code causes the junk at the top of the boards to be visible when near the top of the board." (please clarify) |
DOS MOD name incompatibility
- Are Tomatoes Bad for Your Health?
- Billy RPG
- Bob's Adventure
- Burnt Rubber
- Call of Caethrath
- Dan F. 2
- Energy Attack
- Evil Internet Virus (The)
- Kya's Sword
- Larry the Junkie
- Lillygrass
- Neo Blaster X
- Nova Force Demo
- Plague (The)
- Second Search (The)
- Stones and Roks
- Stones and Roks 2
- Siphrian (Non-DoZ)
- Sword Quest
- Tearaway
- Telecrisis Ch. 1
- Top Skater
- Trinity
- X-pedition
- ZED Demo