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# -*- encoding: utf-8 -*-
"""
Dump out asm for scripting things in bank $25. This script will modify main.asm
and insert all scripting commands.
"""
import crystal
import gbz80disasm
rom = crystal.load_rom()
roml = [ord(x) for x in rom]
script_command_table_address = 0x96cb1
script_command_count = 170
# a list of addresses for each script command
command_pointers = [crystal.calculate_pointer_from_bytes_at(script_command_table_address + (id * 2), bank=0x25) for id in range(0, 170)]
# a list of hex addresses for each script command in bank $25
command_pointers_hex = ["$%.2x" % (x % 0x4000 + 0x4000) for x in command_pointers]
commands = {}
# force data into a more usable form
for command in crystal.command_classes:
name = "Script_" + command.macro_name
id = command.id
params = {}
for (id2, param_type) in command.param_types.items():
param = {
"name": param_type["name"],
"type": param_type["class"].__name__,
}
params[id2] = param
if id <= 0xa9:
commands[id] = {
"name": name,
"params": params,
"address": command_pointers[id],
}
avoid = [
0x974b0,
0x974be,
0x9754b,
0x97556,
0x97562,
0x9756e,
0x97540,
0x96f8e, # verbosegiveitem2
]
class DisassembledScriptCommand():
"""
Just a temporary object to store information about a script command's asm.
This is used by some of the infrastructure in crystal.py to automatically
insert asm into main.asm, rather than having someone do it manually.
"""
dependencies = None
def __init__(self, label=None, id=None, address=None, params=None):
self.id = id
self.label = crystal.Label(name=label, address=address, object=self)
self.address = address
self.params = params
max_byte_count = 0x4000
# Some of these scripts need to be truncated before insertion, because
# output_bank_opcodes doesn't know anything about stopping if some of
# the local labels are not resolved yet.
# Script_if_equal
if address == 0x97540:
max_byte_count = 86
# disassemble and laso get the last address
(asm, last_address, last_hl_address, last_a_address, used_3d97) = gbz80disasm.output_bank_opcodes(address, max_byte_count=max_byte_count, stop_at=command_pointers, include_last_address=False)
# remove indentation
asm = asm.replace("\n\t", "\n")
if asm[0] == "\t":
asm = asm[1:]
# remove the last two newlines
while asm[-1] == "\n":
asm = asm[:-1]
self.asm = asm
self.last_address = last_address
# make sure this gets dumped into main.asm
#if crystal.script_parse_table[self.address] == None and crystal.script_parse_table[self.last_address] == None:
crystal.script_parse_table[self.address : self.last_address] = self
#else:
# print ".. hm, something is already at " + hex(self.address) + " for " + self.label.name
def to_asm(self):
#output += self.label + ": ; " + hex(self.address) + "\n"
output = "; script command " + hex(self.id) + "\n"
if len(self.params) > 0:
output += "; parameters:\n"
for (id2, param) in self.params.items():
output += "; " + param["name"] + " (" + param["type"] + ")\n"
output += "\n"
output += self.asm
return output
def get_dependencies(*args, **kwargs):
return []
# make instances of DisassembledScriptCommand
for (id, command) in commands.items():
name = command["name"]
params = command["params"]
address = command["address"]
script_asm = DisassembledScriptCommand(label=name, id=id, address=address, params=params)
#print script_asm.to_asm()
#print crystal.to_asm(script_asm, use_asm_rules=True)
class ScriptCommandTable():
address = script_command_table_address
last_address = script_command_table_address + (2 * 170)
dependencies = None
def __init__(self):
self.label = crystal.Label(name="ScriptCommandTable", address=self.address, object=self)
# make sure this gets dumped into main.asm
crystal.script_parse_table[self.address : self.last_address] = self
def get_dependencies(*args, **kwargs):
return []
def to_asm(self):
output = ""
for (id, command) in commands.items():
output += "dw " + command["name"] + "; " + hex(command["address"]) + "\n"
if output[-1] == "\n":
output = output[:-1]
return output
script_command_table = ScriptCommandTable()
#print crystal.to_asm(script_command_table, use_asm_rules=True)
# automatic asm insertion
asm = crystal.Asm()
asm.insert_and_dump(limit=500)
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