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I've created a two-cart application that uses two carts, and has two options:

  1. Use cstore to store data from the main cart into the 2nd cart, then finish the program
  2. Use reload to load data from the 2nd cart to the main cart

When I bundle both carts using a binary export, the cstore function creates a file named the same as the filename I passed to the cstore function. E.g. I use "cstore(0,0,4,"exporttest_data.p8")" and in AppData\Roaming\pico-8\cstore a file named that shows up, and it has the correct data in it. But when I restart the program and reload from the cart, it only shows the data of the cart as it was when it was bundled into a binary export.

When I don't bundle the 2nd cart, a file called "__(null).p8" appears in the cstore folder, with the correct data, although the program still doesn't appear to be able to read it.

Since there is a cstore folder and p8 carts are being created there I assume cstore is supposed to work in binary exports, but I'm pretty sure given the malformed "__(null).p8" file that there's a bug with it. I've added the main cartridge for testing.

Cart [#nuhodupiku-0#] | Code | 2019-01-16 | No License | Embed

And here's the code:

cls()
done=false
while not done do
if btn(4) then
poke(0,8)
poke(1,7)
poke(2,6)
poke(3,5)
cstore(0,0,4,"exporttest_data.p8")
done=true
elseif btn(5) then
poke(0,0)
poke(0,0)
poke(0,0)
poke(0,0)
reload(0,0,4,"exporttest_data.p8")
print(peek(0))
print(peek(1))
print(peek(2))
print(peek(3))
done=true
while btn() == 0 do
flip()
end
end
flip()
end
P#60907 2019-01-16 21:02 ( Edited 2019-01-16 21:18)

:: zep

Thanks @Eniko -- This is fixed for 0.1.12

(Note for future testing, this code snippet pokes 0 into addr 0 four times instead of addr 0,1,2,3)

P#60914 2019-01-17 01:57 ( Edited 2019-01-17 01:57)
:: Eniko

Oh oops, thanks for the quick reply @zep!

While I have you here and this bug is preventing me from testing the proper functionality, since cstore looks like it uses the cstore AppData folder, does that mean that binary Pico 8 apps can share data via cstore+reload to the same filename?

P#60917 2019-01-17 06:22

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