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Have .incbin take an optional offset and length for source bytes.

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This commit is contained in:
Cat's Eye Technologies 2012-05-08 18:12:28 -05:00
parent 1df8ad465d
commit b843ba9ba9
1 changed files with 10 additions and 1 deletions
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11
src/Ophis/CorePragmas.py
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@ -38,11 +38,20 @@ def pragmaRequire(ppt, line, result):
def pragmaIncbin(ppt, line, result): def pragmaIncbin(ppt, line, result):
"Includes a binary file" "Includes a binary file"
filename = line.expect("STRING").value filename = line.expect("STRING").value
offset = 0
size = -1
if str(line.lookahead(0)) == ",":
line.pop()
offset = line.expect("NUM").value
if str(line.lookahead(0)) == ",":
line.pop()
size = line.expect("NUM").value
line.expect("EOL") line.expect("EOL")
if type(filename)==str: if type(filename)==str:
try: try:
f = file(filename, "rb") f = file(filename, "rb")
bytes = f.read() f.seek(offset)
bytes = f.read(size)
f.close() f.close()
except IOError: except IOError:
Err.log ("Could not read "+filename) Err.log ("Could not read "+filename)