Vertical scrolling routine (MSX1)

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By thegeps

Master (166)

thegeps's picture

24-02-2019, 09:14

I haven't found the feature 'cause I didn't search it. I didn't know that videorecording in openmsx exist. It's a very useful feature but I use openMSX 'cause it's accurate and I can measure cpu time with a script I copied from this forum... Didn't need videorecording until now...

By Manuel

Ascended (15200)

Manuel's picture

24-02-2019, 10:08

No problem, just mentioning it.... More details here: http://openmsx.org/manual/user.html#recording

By thegeps

Master (166)

thegeps's picture

24-02-2019, 16:12

thx Manuel, I'll go there and read for sure Smile

By thegeps

Master (166)

thegeps's picture

02-03-2019, 23:19

Hi everyone!
There's something I forgot to tell/show you. My vertical scrolling routine can do variable speed scrolling. It can scroll by 1,2,4 or 8 pixels. I've tested it since the first release (by changing the offset manually). Now I added the feature (simply using a counter, but I'll fix it in a scrolling eventlist in future).
Also added the clear scoreboard fix, airship control by GTSTCK bios routine and poor weapon level increasement implementation (will add new weapons with different patterns soon). Enjoy my new video to see all:

https://youtu.be/C3_1fVCNew4

By santiontanon

Paladin (753)

santiontanon's picture

05-03-2019, 00:35

Looking more and more like a full game!!! And the change in speed could be used to have some cinematic effects for bosses, for example! I forget which game was it, but I remember one of the classic arcade games I used to play made the scroll go faster during boss battles, which created a "urgency" effect that made you be more nervous when fighting a boss Smile

By thegeps

Master (166)

thegeps's picture

05-03-2019, 02:18

You are right! I remember that game too! Step by step i'm going on. There's still a lot to do! But I'll complete my first game!

By thegeps

Master (166)

thegeps's picture

06-04-2019, 23:40

I was extremely busy with work these past days. I added almost nothing but reverse SAT (thanks to ARTRAG that time ago send me a link to study it directly in his Uridium code). Now sprites won't disappear but just flicker (looking better in all the video). At the end of the video there are 8 sprites in the same line (4 two-coloured sprites)
Enjoy! (and let me know your impressions, suggestions and hints as always, I'm improving more and more thanks to you all)

https://youtu.be/_YlpSUeN7oE

By thegeps

Master (166)

thegeps's picture

06-04-2019, 23:45

I swear that flickering isn't so bad as shown by youtube XD

By Grauw

Enlighted (7894)

Grauw's picture

07-04-2019, 01:57

It’s because Youtube does not support 60 fps for non-HD video, so it’s 30 fps. If you record in openmsx with -triplesize option, Youtube will show it as a 720p 60 fps video, which gives a smoother framerate and improves the way flickering looks.

By thegeps

Master (166)

thegeps's picture

07-04-2019, 12:52

Thx, Grauw. Next time I will do as you suggest Smile

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