1 files changed, 91 insertions, 0 deletions
diff --git a/extras/pretty_trainer_headers.py b/extras/pretty_trainer_headers.py
new file mode 100644
index 00000000..b932cae0
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+++ b/extras/pretty_trainer_headers.py
@@ -0,0 +1,91 @@
+#!/usr/bin/python
+#author: Bryan Bishop <kanzure@gmail.com>
+#date: 2012-01-24
+from optparse import OptionParser
+from gbz80disasm import load_labels, find_label
+spacing = "\t"
+
+def pretty_print_trainer_header(address, label=None):
+    """make pretty text for a trainer header"""
+    output = ""
+    bank_id = 0
+    if address > 0x4000:
+        bank_id = address / 0x4000
+    
+    rom = open("../baserom.gbc", "r").read()
+    
+    #convert address to an integer if necessary
+    if type(address) == str:
+        if "$" in address: address = address.replace("$", "0x")
+        address = int(address, 16)
+
+    #label this section of asm
+    if label == None:
+        output += "TrainerHeader_" + hex(address)[2:] + ": ; 0x" + hex(address)[2:] + "\n"
+    else:
+        output += label + ": ; 0x" + hex(address)[2:] + "\n"
+    
+    #flag's bit
+    output += spacing + "db $" + hex(ord(rom[address]))[2:] + " ; flag's bit\n"
+    
+    #trainer's view range
+    view_range = ord(rom[address+1]) >> 4
+    output += spacing + "db ($" + hex(view_range)[2:] + " << 4) ; trainer's view range\n"
+
+    #flag's byte
+    pointer_byte1 = ord(rom[address+2])
+    pointer_byte2 = ord(rom[address+3])
+    partial_pointer = (pointer_byte1 + (pointer_byte2 << 8))
+    partial_pointer = "$%.2x" % partial_pointer
+    output += spacing + "dw " + partial_pointer + " ; flag's byte\n"
+
+    #TextBeforeBattle
+    pointer_byte1 = ord(rom[address+4])
+    pointer_byte2 = ord(rom[address+5])
+    partial_pointer = (pointer_byte1 + (pointer_byte2 << 8))
+    label = find_label(partial_pointer, bank_id)
+    output += spacing + "dw " + label + " ; " + hex(partial_pointer) + " TextBeforeBattle\n"
+
+    #TextAfterBattle
+    pointer_byte1 = ord(rom[address+6])
+    pointer_byte2 = ord(rom[address+7])
+    partial_pointer = (pointer_byte1 + (pointer_byte2 << 8))
+    label = find_label(partial_pointer, bank_id)
+    output += spacing + "dw " + label + " ; " + hex(partial_pointer) + " TextAfterBattle\n"
+
+    #TextEndBattle
+    pointer_byte1 = ord(rom[address+8])
+    pointer_byte2 = ord(rom[address+9])
+    partial_pointer = (pointer_byte1 + (pointer_byte2 << 8))
+    label = find_label(partial_pointer, bank_id)
+    output += spacing + "dw " + label + " ; " + hex(partial_pointer) + " TextEndBattle\n"
+
+    #TextEndBattle
+    pointer_byte1 = ord(rom[address+10])
+    pointer_byte2 = ord(rom[address+11])
+    partial_pointer = (pointer_byte1 + (pointer_byte2 << 8))
+    label = find_label(partial_pointer, bank_id)
+    output += spacing + "dw " + label + " ; " + hex(partial_pointer) + " TextEndBattle\n"
+
+    output += "; " + hex(address+10) + "\n"
+
+    return output
+
+def main():
+    load_labels()
+
+    usage = "usage: %prog address"
+    parser = OptionParser(usage)
+    (options, args) = parser.parse_args()
+    if len(args) == 1:
+        print "usage: python pretty_trainer_headers.py address label\n"
+        args.append("TrainerHeader_" + (args[0].replace("0x", "")))
+    elif len(args) != 2:
+        parser.error("we need both an address and a label")
+    address = int(args[0], 16)
+    label = args[1]
+
+    print pretty_print_trainer_header(address, label)
+
+if __name__ == "__main__":
+    main()