MSX1 GAMES improved on MSX2

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By wolf_

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wolf_의 아바타

27-02-2008, 10:25

Could be, but I just don't see it happening. We should be happy enough when most game makers can finish a game for 1 system already, let alone having it compatible with 2 systems. Hannibal

By JohnHassink

Ambassador (5655)

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27-02-2008, 12:40

Even if the VDP is not sooo fast to manage tile with hmmc there is also the possibility to skip the tiles that does not changes between frames. Otherwise, games like XAK, Coredump, Akin could not be made....
I'm very curious as to how this works!

Which advantages does it offer as opposed to simply refreshing cells/tiles and realtime copying of the actual gamescreen?

Do the Ys games also make use of this system?

By PingPong

Prophet (4093)

PingPong의 아바타

27-02-2008, 20:21

Even if the VDP is not sooo fast to manage tile with hmmc there is also the possibility to skip the tiles that does not changes between frames. Otherwise, games like XAK, Coredump, Akin could not be made....
I'm very curious as to how this works!

Which advantages does it offer as opposed to simply refreshing cells/tiles and realtime copying of the actual gamescreen?

Do the Ys games also make use of this system?

Advantages: speed
Ys: they use this approach. If you see carefully the speed of scrolling is not constant. When there is a more larger nnumber of tiles to move the scroll goes a little more slow

By wolf_

Ambassador_ (10088)

wolf_의 아바타

27-02-2008, 20:37

In short: only update new tiles, when a tile doesn't change (because it's e.g. a grass tile) compared to the previous location you also don't need to draw it again.

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