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The actual ATARI-specific code is "inspired" by the IP65 variant published in http://atariage.com/forums/topic/211161-dragoncart-software/?p=2734494. The timer routines are modeled after the ones for the VIC20.
32 lines
977 B
ArmAsm
32 lines
977 B
ArmAsm
.export ascii_to_native
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.export native_to_ascii
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; given an Atari Screen Code char in A, return equivalent ASCII
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native_to_ascii:
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rts
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; given an ASCII char in A, return equivalent Atari Screen Code
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ascii_to_native:
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rts
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; -- LICENSE FOR atrcharconv.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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