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transition gbz80disasm to use a bytearray instead of RomStr

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This commit is contained in:
yenatch
2013-05-14 14:37:40 -04:00
parent 313e853e39
commit 5b95c5aad7
1 changed files with 17 additions and 19 deletions
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36
extras/gbz80disasm.py
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@@ -11,11 +11,9 @@ import json
if not hasattr(json, "read"): if not hasattr(json, "read"):
json.read = json.loads json.read = json.loads
from romstr import RomStr
def load_rom(filename="../baserom.gbc"): def load_rom(filename="../baserom.gbc"):
global rom global rom
rom = RomStr.load(filename=filename) rom = bytearray(open(filename,'rb').read())
return rom return rom
spacing = "\t" spacing = "\t"
@@ -619,7 +617,7 @@ def output_bank_opcodes(original_offset, max_byte_count=0x4000, include_last_add
output = "" output = ""
keep_reading = True keep_reading = True
while offset <= end_address and keep_reading: while offset <= end_address and keep_reading:
current_byte = ord(rom[offset]) current_byte = rom[offset]
is_data = False is_data = False
maybe_byte = current_byte maybe_byte = current_byte
@@ -644,13 +642,13 @@ def output_bank_opcodes(original_offset, max_byte_count=0x4000, include_last_add
#find out if there's a two byte key like this #find out if there's a two byte key like this
temp_maybe = maybe_byte temp_maybe = maybe_byte
temp_maybe += ( ord(rom[offset+1]) << 8) temp_maybe += ( rom[offset+1] << 8)
if temp_maybe in opt_table.keys() and ord(rom[offset+1])!=0: if temp_maybe in opt_table.keys() and rom[offset+1]!=0:
opstr = opt_table[temp_maybe][0].lower() opstr = opt_table[temp_maybe][0].lower()
if "x" in opstr: if "x" in opstr:
for x in range(0, opstr.count("x")): for x in range(0, opstr.count("x")):
insertion = ord(rom[offset + 1]) insertion = rom[offset + 1]
insertion = "$" + hex(insertion)[2:] insertion = "$" + hex(insertion)[2:]
opstr = opstr[:opstr.find("x")].lower() + insertion + opstr[opstr.find("x")+1:].lower() opstr = opstr[:opstr.find("x")].lower() + insertion + opstr[opstr.find("x")+1:].lower()
@@ -659,8 +657,8 @@ def output_bank_opcodes(original_offset, max_byte_count=0x4000, include_last_add
offset += 1 offset += 1
if "?" in opstr: if "?" in opstr:
for y in range(0, opstr.count("?")): for y in range(0, opstr.count("?")):
byte1 = ord(rom[offset + 1]) byte1 = rom[offset + 1]
byte2 = ord(rom[offset + 2]) byte2 = rom[offset + 2]
number = byte1 number = byte1
number += byte2 << 8; number += byte2 << 8;
@@ -684,7 +682,7 @@ def output_bank_opcodes(original_offset, max_byte_count=0x4000, include_last_add
#type = -1 when it's the E op #type = -1 when it's the E op
#if op_code_type != -1: #if op_code_type != -1:
if op_code_type == 0 and ord(rom[offset]) == op_code_byte: if op_code_type == 0 and rom[offset] == op_code_byte:
op_str = op_code[0].lower() op_str = op_code[0].lower()
output += spacing + op_code[0].lower() #+ " ; " + hex(offset) output += spacing + op_code[0].lower() #+ " ; " + hex(offset)
@@ -692,18 +690,18 @@ def output_bank_opcodes(original_offset, max_byte_count=0x4000, include_last_add
offset += 1 offset += 1
current_byte_number += 1 current_byte_number += 1
elif op_code_type == 1 and ord(rom[offset]) == op_code_byte: elif op_code_type == 1 and rom[offset] == op_code_byte:
oplen = len(op_code[0]) oplen = len(op_code[0])
opstr = copy(op_code[0]) opstr = copy(op_code[0])
xes = op_code[0].count("x") xes = op_code[0].count("x")
include_comment = False include_comment = False
for x in range(0, xes): for x in range(0, xes):
insertion = ord(rom[offset + 1]) insertion = rom[offset + 1]
insertion = "$" + hex(insertion)[2:] insertion = "$" + hex(insertion)[2:]
if current_byte == 0x18 or current_byte==0x20 or current_byte in relative_jumps: #jr or jr nz if current_byte == 0x18 or current_byte==0x20 or current_byte in relative_jumps: #jr or jr nz
#generate a label for the byte we're jumping to #generate a label for the byte we're jumping to
target_address = offset + 2 + c_int8(ord(rom[offset + 1])).value target_address = offset + 2 + c_int8(rom[offset + 1]).value
if target_address in byte_labels.keys(): if target_address in byte_labels.keys():
byte_labels[target_address]["usage"] = 1 + byte_labels[target_address]["usage"] byte_labels[target_address]["usage"] = 1 + byte_labels[target_address]["usage"]
line_label2 = byte_labels[target_address]["name"] line_label2 = byte_labels[target_address]["name"]
@@ -717,7 +715,7 @@ def output_bank_opcodes(original_offset, max_byte_count=0x4000, include_last_add
insertion = line_label2.lower() insertion = line_label2.lower()
include_comment = True include_comment = True
elif current_byte == 0x3e: elif current_byte == 0x3e:
last_a_address = ord(rom[offset + 1]) last_a_address = rom[offset + 1]
opstr = opstr[:opstr.find("x")].lower() + insertion + opstr[opstr.find("x")+1:].lower() opstr = opstr[:opstr.find("x")].lower() + insertion + opstr[opstr.find("x")+1:].lower()
@@ -737,7 +735,7 @@ def output_bank_opcodes(original_offset, max_byte_count=0x4000, include_last_add
if include_comment: if include_comment:
output += " ; " + hex(offset) output += " ; " + hex(offset)
if current_byte in relative_jumps: if current_byte in relative_jumps:
output += " $" + hex(ord(rom[offset + 1]))[2:] output += " $" + hex(rom[offset + 1])[2:]
output += "\n" output += "\n"
current_byte_number += 1 current_byte_number += 1
@@ -747,13 +745,13 @@ def output_bank_opcodes(original_offset, max_byte_count=0x4000, include_last_add
current_byte_number += 1 current_byte_number += 1
offset += 1 offset += 1
include_comment = False include_comment = False
elif op_code_type == 2 and ord(rom[offset]) == op_code_byte: elif op_code_type == 2 and rom[offset] == op_code_byte:
oplen = len(op_code[0]) oplen = len(op_code[0])
opstr = copy(op_code[0]) opstr = copy(op_code[0])
qes = op_code[0].count("?") qes = op_code[0].count("?")
for x in range(0, qes): for x in range(0, qes):
byte1 = ord(rom[offset + 1]) byte1 = rom[offset + 1]
byte2 = ord(rom[offset + 2]) byte2 = rom[offset + 2]
number = byte1 number = byte1
number += byte2 << 8; number += byte2 << 8;
@@ -805,7 +803,7 @@ def output_bank_opcodes(original_offset, max_byte_count=0x4000, include_last_add
keep_reading = True keep_reading = True
else: else:
#if is_data and keep_reading: #if is_data and keep_reading:
output += spacing + "db $" + hex(ord(rom[offset]))[2:] #+ " ; " + hex(offset) output += spacing + "db $" + hex(rom[offset])[2:] #+ " ; " + hex(offset)
output += "\n" output += "\n"
offset += 1 offset += 1
current_byte_number += 1 current_byte_number += 1