Apple-2-Tools/Driv3rs
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Just comment cleanup

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ultramagnus_tcv 2015-10-28 07:49:36 -05:00
parent 8ff4a4a1e5
commit 15cbf887b5
1 changed files with 29 additions and 29 deletions
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58
3Slurp.py
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@ -22,7 +22,7 @@ def readUnpack(bytes, **options):
return int(ord(SOS))
dev_types ={273: 'Character Device, Write-Only, Formatter',
321: 'Character Device, Write-Only, RS232 Printer', # Dicionary for Types and SubTypes
321: 'Character Device, Write-Only, RS232 Printer', # dictionary for types and subtypes
577: 'Character Device, Write-Only, Silentype',
833: 'Character Device, Write-Only, Parallel Printer',
323: 'Character Device, Write-Only, Sound Port',
@ -50,19 +50,19 @@ else:
print "This is not a proper SOS file"
exit()
rel_offset = readUnpack(2, type = 'b') # Read two bytes after SOS DRVR to establish first rel_offset value
print "The first relative offset value is", rel_offset, hex(rel_offset) # Print out for debug
drivers = 0 # This is to keep a running total of drivers.
drivers_list=[] # Initialize a list to hold dictionaries.
rel_offset = readUnpack(2, type = 'b') # read two bytes after SOS DRVR to establish first rel_offset value
print "The first relative offset value is", rel_offset, hex(rel_offset) # print out for debug
drivers = 0 # this is to keep a running total of drivers.
drivers_list=[] # initialize a list to hold dictionaries.
loop = True # Set True for major driver loop
loop = True # set True for major driver loop
while loop : # establish loop to find major drivers
driver = {} # Intialize a dictionary to hold vaules as we loop
SOSfile.seek(rel_offset,1) # Jump to location of first driver
driver = {} # intialize a dictionary to hold vaules as we loop
SOSfile.seek(rel_offset,1) # jump to location of first driver
driver['location'] = SOSfile.tell() # add to driver dictionary 52c
rel_offset = readUnpack(2, type = 'b') # 0000 comment length
if rel_offset == 0xFFFF: # If we encounter FFFF, no more drivers
loop = False # Set loop to False to cancel while
if rel_offset == 0xFFFF: # if we encounter FFFF, no more drivers
loop = False # set loop to False to cancel while
else :
drivers_list.append(driver) # add to drivers_list list
SOSfile.seek(rel_offset,1) # seek forward based on contents of rel_offset
@ -80,31 +80,31 @@ for i in range(0,len(drivers_list)): # begin
drivers_list[i]['comment_txt'] = comment_txt # place comment in dictionary
else:
drivers_list[i]['comment_txt'] = '' # else enter comment as nothing
SOSfile.seek(2,1) # Skip two bytes immediately following comment or 0000
link_ptr = readUnpack(2, type = 'b') # Grab link pointer
drivers_list[i]['link_ptr'] = link_ptr # Store link pointer
entry = readUnpack(2, type = 'b') # Grab entry field
drivers_list[i]['entry'] = entry # Store entry field
name_len = readUnpack(1, type = '1') # Grab one byte for name length
drivers_list[i]['name_len'] = name_len # Store name length
name = readUnpack(name_len, type = 't') # Read name based on length
drivers_list[i]['name'] = name # Store name
SOSfile.seek(15 - name_len,1) # Skip past remainder of 15-byte long name field
flag = readUnpack(1, type = '1') # Grab Flag byte
if flag == 192: # Is flag 0xc0?
drivers_list[i]['flag'] = 'ACTIVE, Load on Boundary' # Yes, ACTIVE and load on boundary
elif flag == 128: # Is flag 0x80?
drivers_list[i]['flag'] = 'ACTIVE' # Insert Flag into dictionary with value ACTIVE
SOSfile.seek(2,1) # skip two bytes immediately following comment or 0000
link_ptr = readUnpack(2, type = 'b') # grab link pointer
drivers_list[i]['link_ptr'] = link_ptr # store link pointer
entry = readUnpack(2, type = 'b') # grab entry field
drivers_list[i]['entry'] = entry # store entry field
name_len = readUnpack(1, type = '1') # grab one byte for name length
drivers_list[i]['name_len'] = name_len # store name length
name = readUnpack(name_len, type = 't') # read name based on length
drivers_list[i]['name'] = name # store name
SOSfile.seek(15 - name_len,1) # skip past remainder of 15-byte long name field
flag = readUnpack(1, type = '1') # grab Flag byte
if flag == 192: # is flag 0xc0?
drivers_list[i]['flag'] = 'ACTIVE, Load on Boundary' # yes, ACTIVE and load on boundary
elif flag == 128: # is flag 0x80?
drivers_list[i]['flag'] = 'ACTIVE' # insert Flag into dictionary with value ACTIVE
else: # otherwise...
drivers_list[i]['flag'] = 'INACTIVE' # Insert Flag into dictionary with value INACTIVE
slot_num = readUnpack(1, type = '1') # Grab slot number
if slot_num == 0: # Check if device has no slot number...
drivers_list[i]['flag'] = 'INACTIVE' # insert Flag into dictionary with value INACTIVE
slot_num = readUnpack(1, type = '1') # grab slot number
if slot_num == 0: # check if device has no slot number...
drivers_list[i]['slot_num'] = 'None' # ... and indicate so.
else: # otherwise...
drivers_list[i]['slot_num'] = slot_num # ... enter slot number into the dictionary
unit = readUnpack(1, type = '1') # get the unit byte
drivers_list[i]['unit'] = unit # store unit in dictionary
dev_type = readUnpack(2, type ='b') # Grab bytes for type and subtype
dev_type = readUnpack(2, type ='b') # grab bytes for type and subtype
drivers_list[i]['dev_type'] = dev_types[dev_type]
print drivers_list[i]