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FAQ.TXT
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______ _______ _____________ ________ _________ ____
/ / __ \ / ____/ | / / ____/ _/ | / / ____/ / ____/ | / __ \
__ / / / / / / __/ / |/ / / __ / // |/ / __/ / /_ / /| |/ / / /
/ /_/ / /_/ / / /___/ /| / /_/ // // /| / /___ / __/ / ___ / /_/ /
\____/\____/ /_____/_/ |_/\____/___/_/ |_/_____/ /_/ /_/ |_\___\_\
Q: I updated Jo Engine and now under Windows I got a message about make is an unknown command
A: Just update and take the following files from demo1 sample and copy them on your project :
clean.bat
clean.sh
compile.bat
run_with_daemon_tools_and_ssf.bat
run_with_mednafen.bat
run_with_nova.bat
run_with_powershell_and_ssf.ps1
run_with_virtual_clone_drive_and_ssf.bat
run_with_yabaSanshiro.bat
run_with_yabause.bat
run_with_yabause.sh
Q: My game crash, glitch, show "out of memory" message but why ?
A: There is a 90% chance that it comes from the memory space reserved for jo_malloc().
You can change this value in your makefile by adding:
JO_GLOBAL_MEMORY_SIZE_FOR_MALLOC = 30000
The default value is 393216 bytes, but when your code grows or you have static data,
it may exceed the memory size available for your game.
Attention, jo_malloc () is also used internally.
Q: What is the best format for images ?
A: Harcoded or Jo Engine Bin format that you can both export from Jo Map Editor.
More details here: https://forum.jo-engine.org/index.php?board=12.0
Q: The ratio of sprites displayed is not good. Why ?
A: Pay close attention to the difference between PAL / NTSC display.
By default, Jo Engine use NTSC screen resolution (320x240).
Therefore, if you start the game on a PAL television, the height of the sprites will appear wrong.
You can change the resolution to PAL in your makefile by adding:
JO_NTSC = 0
Note: Some emulators doesn't handle all resolution like SSF which uses 640x480 and 720x480 resolutions.