How good is your scrolling ability !?

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By Yukio

Paragon (1540)

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08-07-2010, 01:21

What is the level of development of your programming abilities regarding software scroll !?
Begginer , Average , Advanced ... Expert!!!

Is there any good genre to use software scroll apart from Shooters and Puzzles !?

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By JohnHassink

Ambassador (5655)

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08-07-2010, 01:27

Yukio, what do you mean exactly with "software scroll" ?

By Yukio

Paragon (1540)

Yukio의 아바타

08-07-2010, 01:59

The type of scroll that the MSX-BASIC does when someone is written text ... Games, there is the block scroll (8x8 pixels and most common) and the smooth scroll (1x1 pixel scroll). There are some books and magazines that state how to make basic scrolls on MSX 1/2 microcomputers.

Well, maybe with some game examples:

Zanac
Thexder
Xanadu
Gall Force
Topple Zip
Mars II

Download MARS II

By JohnHassink

Ambassador (5655)

JohnHassink의 아바타

08-07-2010, 02:16

Thank you, I used to have this MARS II on some MSX club disk and have been looking for it for quite a while! Smile
A good game. Wasn't it written mainly in BASIC?

Anyway, I see now what you mean.

Well, some 'RPG like' games on MSX also scroll with /8 pixel tiles, right?
Other genres, good point, I really couldn't think of.
Well, so-called beat-'em-ups like Double Dragon, maybe.

I must say this inspires me to try to write a scrolling game in BASIC for the MSXdev'10, just for fun. Wink
I think it was something with BASE (7) = (9) and then you could re-write the ASCII patterns for screen 1.

Some MSXdev games written in a more 'serious' language have proven to pull off a smooth /1 pixel scroll for MSX1.

By Yukio

Paragon (1540)

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08-07-2010, 05:29

The list of the MARS II is MSX-BASIC, but I guess that the game is written in machine language.

Games.
The problem is not with the BASIC itself, the problem is that people do not get the Microsot compiler that comes with the CP/M !!!Sure, even the Debugger and Assembler are missing ... the Debugger and Assembler are supposed to be into the ASCII MSX-DOS TOOLS disk.

By SLotman

Paragon (1242)

SLotman의 아바타

08-07-2010, 08:20

I just released on my site the MSX2+ scrolling prototype, including it's pascal sources for everyone to play with it! (Hint, hint: there were other stuff released there too! Tongue)

as for my 'scrolling ability': I would say average (on MSX), since I didn't make anything too complex yet Wink

The MSX scroll can be used for several things besides 'shooters and puzzles' - you can use them on platform games, on racing games, on demos... You can even draw a straight road (Outrun style) and using line interrupts + incremental hardware scroll to make it 'bend' left or right. Same effect to make 'sine waves' on screen! (I remember I saw some time ago a BASIC demo exactly about this - doing sine waves on plain BASIC!)

If you're planning to develop a scrolling game on BASIC, just go for Nestor Basic. It has already some really good games done with it, some even with scroll! Cool

By WORP3

Paladin (864)

WORP3의 아바타

08-07-2010, 10:48

Even seem Ace In Space level 3 (quasar disks) it had a smooth horizontal scroll (pixel based) with a character based level Wink
Scroll speed was one pixel every irq. Updating the level was done by splitting the amount of data into eight blocks that was handled one block every irq.

By WORP3

Paladin (864)

WORP3의 아바타

08-07-2010, 11:36

Here it is Big smile http://www.youtube.com/watch?v=C_n7l78-Lb8
Place the time bar around 4:30 to skip the intro ! Also this was recorded using a emulator which didn't support hardware collision detection so the bullets can't hit any enemy's.

By ro

Scribe (4902)

ro의 아바타

08-07-2010, 13:40

I just scrolled through this page with ease... I'm THAT good Tongue

By viejo_archivero

Paragon (1395)

viejo_archivero의 아바타

08-07-2010, 14:02

Hell yeah, my scrolling abilities are just superb too! Smile

By wolf_

Ambassador_ (10088)

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08-07-2010, 14:05

I'm just scrolling over the floor, laughing..

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