MiSTer FPGA – Geograph Seal (ジオグラフ シール) [1cc/PB: 1,009,100] / Sharp X68000



My first video using the current-release X68000 core, and boy is this a special game! An important piece of 3D gaming’s history and the predecessor to early experiments in 3D navigation on the PlayStation with the original Spring Man demo which eventually led to Jumping Flash! This was made by Exact- the same developers of Etoile Princesse in my previous video.

Geograph Seal is not only impressive on a technical level for an early 3D game in it’s various gameplay modes and environments, but also with it’s control implementation. It is truly amazing what they were able to achieve with a two-button controller here. The HUD is also well implemented as a combination of both form and function. The variety of weapons feel great to use and are all useful in different scenarios.

I’m using the X68000 core’s CPU Turbo function in this playthrough, which makes for a very smooth experience compared to the base model clock speed. I recommend leaving the display frequency at “Original” instead of “60fps”, as the game feels smoother that way. For controls, a Sega Saturn style D-Pad worked best for me.

Here is the control scheme:
A – Jump (Hold for higher jump. Press/hold again mid-jump for a double jump)
B – Fire (hold- Watch for overheat!)
B+A (hold) – Free aim+fire (tips: Hold B before A. Turn off “A+B menu” in options.)
Double-tap A – Bombardment Jump (Jump and look down- use to jump on enemies while firing and for precise platforming. Hold for higher jump.)
Double-tap B – Change Weapon (Can turn this off in options if preferred.)
Hold Left or Right D-Pad while jumping – Strafe (very useful!)
Select – Menu (Map/Change Weapon)

Thanks to Puu for the original implementation to FPGA, and to Wark for further work on that. Currently Kitrinx and Sorg are working heavily on the core to implement things correctly and smooth out some rough edges to make the system easier to use with modern displays and hardware.

*NOTE – There may be some stutter in scrolling due to the system’s display output of 55hz. The core has a 60fps option to help smooth this out, but either way the scrolling will look better in-person on a compatible display compared to what is captured in videos. 60fps mode may speed up gameplay by ~9% if the game uses raster interrupt.

X68000 core 12-10-2021 build – Geograph Seal (ジオグラフ シール)

1cc // Final Score: 1,009,100 (Personal Best)

Filter: Gaussian Sharp 07 // Gamma: Off

Display Frequency: Original (55hz) // CPU Turbo: On

Played using an OEM Saturn controller with USB adapter & 1ms USB polling.

Video: Integer scaled to 1080p // HDMI to Datapath e1s capture card

|:=-Timestamps-=:|
00:00​​ – Boot
00:46​​ – Intro / Title
03:16 – Mission 1
08:26 – Mission 2
13:09 – Mission 3
17:54 – Mission 4
32:12 – Mission 5
36:26 – Mission 6
44:10 – Mission 7
46:50 – Boss
49:08 – Ending / Credits

Occasional livestreams on Twitch: https://www.twitch.tv/WalrusFPGA

Twitter: https://twitter.com/WalrusFPGA

=—————CONTRIBUTE—————=

None of this would be possible without the constant hard work of Sorgelig. It cannot be overstated how much he has done and continues to do for this project, since its beginning. You can support him either at his Patreon in the link below, or on Paypal, depending on your preference. MiSTer is a paradigm shift in how we can experience these classic games. This is a long-term preservation project that will continue to grow so that gamers today and in the future can experience these excellent systems as accurately and lag-free as possible. Donating what you can will help keep the updates coming. Thank you.

Patreon: https://patreon.com/FPGAMiSTer

PayPal: https://paypal.me/FPGAMiSTer

NOTE: I am not affiliated with Sorgelig and am only sharing these links as a fan of the project who wishes to see it continue to grow rapidly.

=—————–INFORM—————–=

Github link for this core: https://github.com/MiSTer-devel/X68000_MiSTer

MiSTer Forum/Wiki/Github (source, guides and info): http://MiSTerFPGA.org

Official MiSTer Discord for live chat/help: https://discord.gg/4xKVg4XVYn
(Be respectful; this server is moderated. New users must be verified.)

=——————BUILD——————=

Worldwide list of sellers for MiSTer expansion boards: https://misterfpga.org/viewforum.php?f=34&sid=74e1c5e7dae1b99284789d93194cfa0b

I have personally ordered all my parts from https://www.MiSTerAddons.com and have been 100% satisfied with the quality and service there. (North American seller. If in a different region, check list linked above for best local shipping rates.)

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