Fix output garbling and allow clean restart after game exit #15
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- Resolved the issue where the output was garbled. - Added comments to parts of the code for better clarity and understanding.
After Ctrl+Q is used to quit the game, an internal flag is set to indicate termination. This prevents the user program from entering its main loop on subsequent runs. This patch ensures the flag is cleared when the device file is closed, so the game can be restarted without needing to reload the kernel module.
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This pull request includes two key improvements:
Fix output garbling issue
display_buf[DRAWBUFFER_SIZE - 1] = '\0';Enable clean re-execution of the user program
preventing subsequent game runs unless the module was reloaded.