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gbz80disasm: detect data tables referenced in asm

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yenatch
2013-06-25 03:43:58 -04:00
parent e199aaa8fd
commit 7804dedce4
1 changed files with 15 additions and 1 deletions
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16
extras/gbz80disasm.py
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@@ -590,6 +590,8 @@ def find_label(local_address, bank_id=0):
def asm_label(address): def asm_label(address):
# why using a random value when you can use the address? # why using a random value when you can use the address?
return '.ASM_%x' % address return '.ASM_%x' % address
def data_label(address):
return '.DATA_%x' % address
def output_bank_opcodes(original_offset, max_byte_count=0x4000, include_last_address=True, stop_at=[], debug = False): def output_bank_opcodes(original_offset, max_byte_count=0x4000, include_last_address=True, stop_at=[], debug = False):
#fs = current_address #fs = current_address
@@ -622,6 +624,7 @@ def output_bank_opcodes(original_offset, max_byte_count=0x4000, include_last_add
end_address = original_offset + max_byte_count end_address = original_offset + max_byte_count
byte_labels = {} byte_labels = {}
data_tables = {}
first_loop = True first_loop = True
output = "" output = ""
@@ -772,6 +775,13 @@ def output_bank_opcodes(original_offset, max_byte_count=0x4000, include_last_add
number = byte1 number = byte1
number += byte2 << 8 number += byte2 << 8
pointer = bank_id * 0x4000 + (number & 0x3fff)
if pointer not in data_tables.keys():
data_tables[pointer] = {}
data_tables[pointer]['usage'] = 0
else:
data_tables[pointer]['usage'] += 1
insertion = "$%.4x" % (number) insertion = "$%.4x" % (number)
result = find_label(insertion, bank_id) result = find_label(insertion, bank_id)
if result != None: if result != None:
@@ -824,7 +834,7 @@ def output_bank_opcodes(original_offset, max_byte_count=0x4000, include_last_add
keep_reading = False keep_reading = False
is_data = False #cleanup is_data = False #cleanup
break break
elif offset not in byte_labels.keys(): elif offset not in byte_labels.keys() or offset in data_tables.keys():
is_data = True is_data = True
keep_reading = True keep_reading = True
else: else:
@@ -839,6 +849,10 @@ def output_bank_opcodes(original_offset, max_byte_count=0x4000, include_last_add
is_data = False is_data = False
keep_reading = True keep_reading = True
if offset in data_tables.keys():
output = output.replace('$%x' % ((offset & 0x3fff) + 0x4000 * bool(bank_id)), data_label(offset).lower())
output += data_label(offset).lower() + '\n'
first_loop = False first_loop = False
#clean up unused labels #clean up unused labels