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Comparing the SMS and GG versions of Castle of Illusion
Posted: Tue Aug 02, 2022 10:13 pm
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As part of a discussion on Discord about Game Gear games running in SMS mode, the specific case of Castle of Illusion having an "ugly but more legible" font on Game Gear was mentioned.
I got interested by the topic and decided to run the SMS and GG versions of the game back-to-back on my own Game Gear. Here are some comparison pictures, taken to the best of my abilities... The changes involve a bit more than just text. There are some palette and art changes done as well, to bring out a more contrasted or colourful image when displayed on the game gear's screen. I'm tempted to play both versions further to study how the changes actually mattered on real hardware. Not sure if anyone has done this yet ? I think it's interesting. |
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Posted: Tue Aug 02, 2022 10:25 pm |
Wow. Definitely really interesting. The legibility difference in the intro text seems fairly noticeable from the pictures. Sadly I've never held a Game Gear, but fill follow along with interest. Love seeing these types of comparisons.
The Game Gear screen seems a hard thing to replicate, even for preservation purposes with "ghosting" etc. It's very cool you can do the comparison. |
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Posted: Wed Aug 03, 2022 11:48 am |
It's easy to replicate, it's been extensively documented by myself and others. It's just no one seems interested in emulating it for preservation purposes because it's heavily derided for being ugly and not worth the effort (not my personal opinion though). | |
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Posted: Wed Aug 03, 2022 6:28 pm |
Could we have a link to the page that describes how the GG scales 192/224/240 scanlines down to 144? | |
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Posted: Thu Aug 04, 2022 12:17 pm |
The information is spread across different posts, Discord, and my HDD.
I don't have wiki access I don't think to create a page on it but I could start a new post with the information. |
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Posted: Thu Aug 04, 2022 12:18 pm |
yes please, collect all the information here! :) | |
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Posted: Thu Aug 04, 2022 1:04 pm Last edited by Bock on Thu Aug 04, 2022 3:59 pm; edited 1 time in total |
There's some information here: https://www.smspower.org/forums/9562
I gave you access now! (you only need to ask) I'm generally sad about the Discord, would be nice to keep gathering info here :) |
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Posted: Thu Aug 04, 2022 1:24 pm |
I'm unsure what category to put it under, there's no Hardware category on the Development wiki
https://www.smspower.org/Development/Index Then there is the following category which doesn't appear to be linked from any main menu or index https://www.smspower.org/Hardware/Index |
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Posted: Thu Aug 04, 2022 3:32 pm |
Everyone has access to edit the dev wiki.
Out categorisation is a bit wacky but I’d put it under https://www.smspower.org/Development/VDP-Index as it’s display-related. |
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Posted: Thu Aug 04, 2022 11:33 pm |
I couldn't agree more |
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Posted: Fri Aug 05, 2022 4:59 am |
I always thought it was the same ROM as the SMS one running in compatibility mode. | |
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Posted: Fri Aug 05, 2022 7:31 am |
It's not, one of the most apparent differences is that one of the throwable blocks has an "M" on it in the Master System version, but it doesn't in the Game Gear version. | |
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Posted: Mon Aug 08, 2022 12:29 am |
A few other differences I've noticed:
SMS version: * Enters straight into the game, no Sega logo (as the Sega logo would have already been shown by the BIOS on an SMS) * Button1 / button 2 can be used to skip intro text and begin the game * Defaults to "Practice" * Text-labels at the top of the status bar * Dark castle bricks when choosing the level * Sit-attack is jump (button 2) then press button 1 while in the air * When paused, the status-bar still has a border GG version: * Sega logo with blue background shown before game * Start button required to skip intro text / begin the game * Defaults to "Normal" * Text-labels at the bottom of the status bar * Light castle bricks when choosing the level * Sit-attack is pressing jump (button 2) twice * When paused, the status-bar has no border Plus various cosmetic changes to sprites, such as a darker outline on rocks and a different sprites for chests and tries |
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Posted: Sun Oct 09, 2022 6:50 am |
Oh there are more changes, I've played both last week and there are more graphical changes across the stages.
Two interesting: - Gem in the library is in a different location - The yellow knight from the sms version was replaced with a ghost in the last castle. |
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Posted: Sun Oct 09, 2022 6:55 am |
Btw here's a nice video showing both side by side
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