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to_asm output for $50 and unknown bytes in texts

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This commit is contained in:
Bryan Bishop 2012-05-04 17:25:48 -05:00
parent 2eeae555c5
commit 55e40b520e
1 changed files with 52 additions and 5 deletions
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55
extras/crystal.py
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@ -1839,27 +1839,74 @@ class MainText(TextCommand):
# this is useful outside of quotes # this is useful outside of quotes
was_comma = False was_comma = False
# has a $50 or $57 been passed yet?
end = False
for byte in self.bytes: for byte in self.bytes:
if end:
raise Exception, "the text ended due to a $50 or $57 but there are more bytes?"
# $4f, $51 and $55 can end a line # $4f, $51 and $55 can end a line
if byte in [0x4f, 0x51, 0x55]: if byte in [0x4f, 0x51, 0x55]:
assert not new_line, "can't have $4f, $51, $55 as the first character on a newline" assert not new_line, "can't have $4f, $51, $55 as the first character on a newline"
if in_quotes: if in_quotes:
output += "\", $%.2x\n" % (byte) output += "\", $%.2x\n" % (byte)
in_quotes = False
new_line = True
elif not in_quotes: elif not in_quotes:
if not was_comma: if not was_comma:
output += ", " output += ", "
output += "$%.2x\n" % (byte) output += "$%.2x\n" % (byte)
was_comma = False
# reset everything
in_quotes = False
new_line = True new_line = True
was_comma = False
elif byte == 0x50: elif byte == 0x50:
# technically you could have this i guess... db "@"
# but in most situations it will be added to the end of the previous line
assert not new_line, "can't have $50 or '@' as the first character on a newline" assert not new_line, "can't have $50 or '@' as the first character on a newline"
if in_quotes: if in_quotes:
output += "@\"" output += "@\"\n"
new_line = True
elif not in_quotes:
if not was_comma:
output += ", "
output += "\"@\"\n"
# reset everything
in_quotes = False
new_line = True
was_comma = False
end = True
elif byte in chars.keys():
char = chars[byte]
if char == "\"":
pass pass
pass
else:
# raise Exception, "unknown byte in text script ($%.2x)" % (byte)
# just add an unknown byte directly to the text.. what's the worse that can happen?
if new_line:
output += "db "
if in_quotes:
output += "\", $%.2x" % (byte)
in_quotes = False
was_comma = False
new_line = False
elif not in_quotes:
if not was_comma and not new_line:
output += ", "
output += "$%.2x" % (byte)
# reset things
in_quotes = False
new_line = False
was_comma = False
# TODO # TODO