6502/udis
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Add support for specifying address option in hex or octal.

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This commit is contained in:
Jeff Tranter 2024-06-28 17:00:49 -04:00
parent 77a2da0833
commit dee867ff9e
2 changed files with 6 additions and 2 deletions
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2
README.md
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@ -55,6 +55,6 @@ optional arguments:
-n, --nolist Don't list instruction bytes (make output suitable for assembler)
-a ADDRESS, --address ADDRESS
Specify decimal starting address (defaults to 0)
Specify starting address (defaults to 0)
-i, --invalid Show invalid opcodes as ??? rather than constants

6
udis.py
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@ -35,6 +35,10 @@ def isprint(char):
return '@' <= char <= '~'
def auto_int(x):
return int(x, 0)
# Avoids an error when output piped, e.g. to "less"
signal.signal(signal.SIGPIPE, signal.SIG_DFL)
@ -44,7 +48,7 @@ parser = argparse.ArgumentParser()
parser.add_argument("filename", help="Binary file to disassemble")
parser.add_argument("-c", "--cpu", help="Specify CPU type (defaults to 6502)", default="6502")
parser.add_argument("-n", "--nolist", help="Don't list instruction bytes (make output suitable for assembler)", action="store_true")
parser.add_argument("-a", "--address", help="Specify decimal starting address (defaults to 0)", default=0, type=int)
parser.add_argument("-a", "--address", help="Specify starting address (defaults to 0)", default=0, type=auto_int)
parser.add_argument("-u", "--undocumented", help="Allow undocumented opcodes", action="store_true")
parser.add_argument("-i", "--invalid", help="Show invalid opcodes as ??? rather than constants", action="store_true")
args = parser.parse_args()