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e54bb71bcc
- Tab chars were partially used with the unusual width of two blanks. I removed them altogether. - Line endings were inconsistent even iniside individual files. I normalized them. - I introduced a consistent coding style regarding comment indenting and blank line usage. - I removed trailing spaces. - I removed newlines following unnamed labels. - ...
36 lines
1.0 KiB
ArmAsm
36 lines
1.0 KiB
ArmAsm
.export ascii_to_native
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.export native_to_ascii
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; given an A2 Screen Code char in A, return equivalent ASCII
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native_to_ascii:
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; just strip high bit
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and #$7f
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rts
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; given an ASCII char in A, return equivalent A2 Screen Code
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ascii_to_native:
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; set high bit
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ora #$80
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rts
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; -- LICENSE FOR a2charconv.s --
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; The contents of this file are subject to the Mozilla Public License
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; Version 1.1 (the "License"); you may not use this file except in
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; compliance with the License. You may obtain a copy of the License at
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; http://www.mozilla.org/MPL/
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;
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; Software distributed under the License is distributed on an "AS IS"
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; basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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; License for the specific language governing rights and limitations
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; under the License.
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;
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; The Original Code is ip65.
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;
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; The Initial Developer of the Original Code is Jonno Downes,
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; jonno@jamtronix.com.
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; Portions created by the Initial Developer are Copyright (C) 2009
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; Jonno Downes. All Rights Reserved.
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; -- LICENSE END --
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