+atari2600land Posted April 2, 2019 Share Posted April 2, 2019 Found this and played around with it so I thought I'd share something I discovered. Perhaps you don't want the star field to cover the whole screen. Perhaps just the first half. You can put this in your game: bally=44 ballheight=128 Replace "ball" with whatever you're using if not the ball. You'll notice that it makes the starfield effect for the top half. To do only the bottom half, replace "bally=44" with "bally=177" 4 Quote Link to comment Share on other sites More sharing options...
+atari2600land Posted April 7, 2019 Share Posted April 7, 2019 Apparently this only works if you've set it to ball and not missile0. Any ideas as to why? Quote Link to comment Share on other sites More sharing options...
+Karl G Posted April 7, 2019 Share Posted April 7, 2019 It works with any of the objects. For missile0, you need to change HMBL in the assembly portion to HMM0. Quote Link to comment Share on other sites More sharing options...
+atari2600land Posted April 7, 2019 Share Posted April 7, 2019 I did. EDIT: I meant the height thing I posted earlier. Quote Link to comment Share on other sites More sharing options...
+Karl G Posted April 7, 2019 Share Posted April 7, 2019 Oh, sorry. It doesn't work for you if you set missile0height instead? Quote Link to comment Share on other sites More sharing options...
+atari2600land Posted April 7, 2019 Share Posted April 7, 2019 Nope. It just displays the starfield all over the screen. Quote Link to comment Share on other sites More sharing options...
+Gemintronic Posted July 7, 2021 Share Posted July 7, 2021 I actually found that 91 instead of 92 when adjusting the height gives a smoother vertical scroll for the starfield. Tried to use HMBL instead of the missiles but that seems to mess with displaying the ball. Can't have everything with a glitch Here's a picture using missile1x + 91 and alternating between missile1height 0 and 255 to effectively dim the stars - making player1 brighter by comparison. 4 Quote Link to comment Share on other sites More sharing options...
Words Fail Posted December 4, 2022 Share Posted December 4, 2022 (edited) I don't think this works on 16kSC, correct? Maybe I did something wrong because it's not working for me. Hmm.. no idea what I did, but I removed all the code from where I was testing it. Now every time I load my game the background is a random color. It used to be black always. Edited December 4, 2022 by Words Fail Quote Link to comment Share on other sites More sharing options...
RevEng Posted December 4, 2022 Author Share Posted December 4, 2022 18 hours ago, Words Fail said: I don't think this works on 16kSC, correct? Maybe I did something wrong because it's not working for me. Hmm.. no idea what I did, but I removed all the code from where I was testing it. Now every time I load my game the background is a random color. It used to be black always. Seems to work fine for me. Maybe your vblank routine isn't in the kernel bank? bbstarfield_16ksc.bas Quote Link to comment Share on other sites More sharing options...
Words Fail Posted December 5, 2022 Share Posted December 5, 2022 22 hours ago, RevEng said: Seems to work fine for me. Maybe your vblank routine isn't in the kernel bank? bbstarfield_16ksc.bas 2.54 kB · 0 downloads It wasn't! I'll try that now. Quote Link to comment Share on other sites More sharing options...
Words Fail Posted December 7, 2022 Share Posted December 7, 2022 22 hours ago, RevEng said: Seems to work fine for me. Maybe your vblank routine isn't in the kernel bank? bbstarfield_16ksc.bas 2.54 kB · 0 downloads It wasn't! I'll try that now. Quote Link to comment Share on other sites More sharing options...
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