01-pnach-ps2rd.sh

#!/bin/sh

if [ -z "$1" ]; then
	echo "Syntax: $0 cheat.pnach"
	exit 0
fi

if [ ! -r "$1" ]; then
	echo "File $i doesn't exist or cant be read."
	exit -1
fi

IFS=$'\n' # new-line is the only 'for' separator!
for i in $(cat "$1"); do
	case $i in
	gametitle=*)
		# Extract game info
		title=$(echo $i | sed -ne 's/gametitle=\(.*\) (.*)/\1/p')
		gameid=$(echo $i | sed -ne 's/.*(\([^-]*\).*\([0-9]\{3\}\)\([0-9]\{2\}\))/\1_\2.\3/p')
		
		# Select region
		case $gameid in
			*US*) region=NTSC;;
			SLP*) region=NTSC;;
			SCPS*) region=NTSC;;
			PBPX*) region=NTSC;;
			*ES*) region=PAL;;
			PBPS*) region=PAL;;
			*) region=NTSC;; # Dont know, default to NTSC.
		esac
		
		# Print information
		echo \"$title $region /ID $gameid\"
		echo "Master Codes"
		echo "<fill in>"
		echo
	;;
	comment=*)
		echo "# $(echo $i | tail -c +9 -)"
	;;	
	*patch=*) # Absorves 
		# patch=1,EE,0018D5B8,word,3C0243A8
		addr=$(echo $i | cut -d',' -f3 -) 
		size=$(echo $i | cut -d',' -f4 -) 
		code=$(echo $i | cut -d',' -f5 -)

		if [ $size == "extended" ]; then # already a raw cheat! output it.
			echo $addr $code
		else
			# select size hex code
			case $size in
				word) size=2;;
				short) size=1;;
				byte) size=0;;
			esac
			
			if [[ $i == /* ]]; then
				echo //$size$(echo $addr | sed -ne 's/[0-9]\(.*\)/\1/p') $code
			else
				echo $size$(echo $addr | sed -ne 's/[0-9]\(.*\)/\1/p') $code
			fi
		fi
	;;
	"//"*)
		echo $i
	;;
	esac
done