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Old 12 December 2021, 20:12   #1
masteries
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Arrow Metal Slug port from Atari STE to MegaDrive / Genesis

This Metal Slug port is a conversion from my own Metal Slug port for Atari STE computer. A video:




[ Show youtube player ]






Mainly all the game engine is being ported from Atari STE to MegaDrive / Genesis.





Audio playback is 100% based on digital samples, using our custom made sound driver that provides 3 channels mixed at 16 KHz.

Samples are compressed, in order to save ROM space, and Real-Time decompressed using the Z80 processor.





Currently, the same samples and graphics from the Atari STE version takes only 1 MB of MegaDrive / Genesis ROM space, while the STE version takes 3.6 MB



There is a high detailed background composed of up to 8600 tiles, and a parallax background.





Background uses up to 61 different colours.
Custom MegaDrive / Genesis tools are made to create map graphics data, and to provide colouring to the map tiles.


Many things are still pending to be ported to MegaDrive / Genesis,



Stay tuned!
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Old 16 December 2021, 18:00   #2
masteries
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Following the port of Metal Slug from Atari STE to SEGA Megadrive / Genesis,

This time, a brute force sprite test, in order to evaluate the limits of MegaDrive / Genesis hardware


The scene of this video is insane from a gameplay perspective,

[ Show youtube player ]


But it illustrates the near arcade capabilities of MegaDrive / Genesis hardware
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Old 16 December 2021, 19:46   #3
Solo Kazuki
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So when A1200 port?
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Old 17 December 2021, 09:30   #4
KONEY
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Yes, more food for my Everdrive!
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Old 13 February 2022, 11:34   #5
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Work in progress: Entities management system & collision scheme


- Tested on Real Hardware, a Megadrive 1 plus OSSC -


[ Show youtube player ]
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Old 26 February 2022, 18:07   #6
kenshiro666
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amiga port
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