mirror of
https://github.com/afska/gba-link-connection.git
synced 2026-03-21 17:44:21 -05:00
59 lines
1.1 KiB
Bash
Executable File
59 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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FILE_INPUT="$1"
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FILE_TMP="tmp.gba"
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DATA="$2"
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FILE_OUTPUT="$3"
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if [ ! -f "$DATA" ]; then
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echo ""
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echo "The file $DATA does not exist. Run make import first!"
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echo ""
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exit 1
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fi
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KB=$((1024))
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MAX_ROM_SIZE_KB=$((32 * $KB - 1))
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ROM_SIZE=$(wc -c < $FILE_INPUT)
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if [ $? -ne 0 ]; then
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exit 1
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fi
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GBFS_SIZE=$(wc -c < $DATA)
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if [ $? -ne 0 ]; then
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exit 1
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fi
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ROM_SIZE_KB=$(($ROM_SIZE / $KB))
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GBFS_SIZE_KB=$(($GBFS_SIZE / $KB))
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MAX_REQUIRED_SIZE_KB=$(($MAX_ROM_SIZE_KB - $GBFS_SIZE_KB))
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if (( $MAX_REQUIRED_SIZE_KB < $ROM_SIZE_KB )); then
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echo ""
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echo "[!] ERROR:"
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echo "ROM/GBFS file too big."
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echo ""
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echo "GBFS_SIZE_KB=$GBFS_SIZE_KB"
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echo "ROM_SIZE_KB=$ROM_SIZE_KB"
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echo "(MAX_ROM_SIZE_KB=$MAX_ROM_SIZE_KB)"
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echo ""
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exit 1
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fi
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cp $FILE_INPUT $FILE_TMP
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if [ $? -ne 0 ]; then
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exit 1
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fi
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SIZE=$(wc -c < $FILE_TMP)
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DIFF=$(($SIZE % 1024))
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if (($DIFF > 0)); then
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PAD_NEEDED=$((1024 - $DIFF))
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dd if=/dev/zero bs=$PAD_NEEDED count=1 >> $FILE_TMP
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fi
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if [ $? -ne 0 ]; then
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exit 1
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fi
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cat $FILE_TMP $DATA > $FILE_OUTPUT
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if [ $? -ne 0 ]; then
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exit 1
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fi
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rm $FILE_TMP
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