Here's my 558-char TweetTweetJam3 entry, including memory poked sfx (thanks to @eruonna for documenting that).

jammerboard

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jammerboard

by alexr

Cart #jammerboard-1 | 2019-11-17 | Code ▽ | Embed ▽ | No License

How do I create a middle c note in sfx 0 programmatically? I'm not sure on the formula to calculate the offset from 0x6000.

I want to control my pico game via html element event handlers. Given that, what memory address (pico8_gpio offset) must I poke at if I want to simulate a btn(0) event? Also, what's the offset for simulating additional player actions, say, btn(0,1)? Thanks.

Is there a shortcut for editor code tab switching? Couldn't find it in the docs.

(This may sound convoluted)

Is it possible to invoke an embedded ("export html") pico-8 program's functions from an external javascript file?

In this particular case, I wrote a .js app that fetches remote data asynchronously (via ajax). I then want to map that data to a sequence of pico-8 program function names, invoking each one in turn at regular intervals.

I often browse the pico-8 forums on my mobile. On my phone (Samsung S4), I have to squint like a maniac because the contents of the pages are not rescaled by the browser, which they would be if the following viewport meta was on each page:

<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" />

Can the person responsible for these forums (and web site in general) add that so that I can go back to "squintless" reading. :)

Cheers
Alex

Hi all.
The following code doesn't work -- players don't get drawn.
What am I doing wrong?
Thanks in advance.
Alex

players = {}

function make_player(col)
  local p = {}
  p.x = 0
  p.y = 0
  p.color = col
  return p
end

function draw_player(p)
  rectfill(p.x-2,p.y-2,p.x+2,p.y+2,p.color)
end

function _init()
  players.home = make_player(1)
  players.visitor = make_player(8)
end

function _draw()
  cls()
  foreach(players, function(p) draw_player(p))
end

Could someone explain how glitch effects similar to Benjamin Soulé's Mr.Beam were done? No code as much as an overview.

Thanks in advance.
Alex