IO, a new MSX1 demo by Logon System

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By NYYRIKKI

Enlighted (5541)

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15-03-2016, 06:08

Yup, that is the right place for this demo... I hope it will score high.

By Pippo

Champion (442)

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15-03-2016, 07:01

Simply wonderful!! Big smile

By ren

Paragon (1455)

ren's picture

15-03-2016, 14:21

Nice! (Now how about that extended-play version..? Wink)

By NYYRIKKI

Enlighted (5541)

NYYRIKKI's picture

15-03-2016, 20:00

The thing that really impressed me was the chessboard scroll... Although you explained it, it took me quite a while to realize that I have to think colors "in SCREEN 3", graphics "in SCREEN 2" and final implementation in "SCREEN 1"... combined with accurate line sync that makes it THE "impossible on that platform"-demo for MSX1.

By Manuel

Ascended (16639)

Manuel's picture

15-03-2016, 21:29

Overflow: any thing new in the pipeline for MSX?

By Overflow

Resident (57)

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16-03-2016, 19:34

@Manuel: nothing in the pipeline for MSX, but: likely early next year, a major release on Amstrad CPC (which my heart belongs to).

@Ren: I will ask Factor6 if he agrees to share the PT3 tune here.

@Nyyrikki: thanks for your comments, I appreciate. I mean: there are very very few guys who could understand what was done on IO demo (Words in private from Dvik were also nice by the way). Within MSX community: I can see many gamers or HW-freaks which even don't see the impossibilities (1). Then, within whole demo-scene world: well, who knows about MSX1? As a conclusion: I am surprised (and happy!) about the nomination.

(1) Let's list them, from my side:
(unlimited sprites by page-flipping or large rotozoom or big-scroll-on-gfx are definitely not impossible)

  • accurate sync at 1st screenline/scanline (which then allows vdp orders at given screenline to achieve: rasters, split-screen, sprites mutliplexing, split-screen at each scanline for wobbler or so -> the plasma scene)
  • splitrasters border+screen, achieved by constant-time coding all over one frame (+ constant-time ym player)
  • painful patches for MSX1 vs MSX2 vs [MSX2+,TurboR]

Source code is available (warning: quite dirty, very few comments mixing french and English).

By Overflow

Resident (57)

Overflow's picture

16-04-2017, 20:47

Overflow wrote:

(...) likely early next year, a major release on Amstrad CPC (which my heart belongs to).

Here we are! it is next year. Here are Pouet and live youtube. Z80 & AY power ;) shared by cousins...

By Manuel

Ascended (16639)

Manuel's picture

16-04-2017, 20:57

Wow, although i don't practically know anything about the CPC, it looks amazingly impressive to me! Well done!
I wonder what kind of tricks you used and whether they could also be used on MSX of MSX2...

By hamlet

Scribe (3104)

hamlet's picture

16-04-2017, 22:43

Holy crab. The Amstrad was always the better Spectrum for me, but this rocks!

By NYYRIKKI

Enlighted (5541)

NYYRIKKI's picture

17-04-2017, 07:21

Holy s***! I'm speechless.

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