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30 lines
615 B
ArmAsm
30 lines
615 B
ArmAsm
;
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; switches.s
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; Softswitches for Apple ][
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;
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; Created by Quinn Dunki on 8/15/14.
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; Copyright (c) 2014 One Girl, One Laptop Productions. All rights reserved.
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;
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PAGE2 = $c01c ; Read bit 7
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PAGE2OFF = $c054 ; Read/Write
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PAGE2ON = $c055 ; Read/Write
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COL80 = $c01f ; Read bit 7
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COL80OFF = $c00c ; Write
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COL80ON = $c00d ; Write
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STORE80 = $c018 ; Read bit 7
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STORE80OFF = $c000 ; Write
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STORE80ON = $c001 ; Write
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TEXT = $c01a ; Read bit 7
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TEXTOFF = $c050 ; Read/Write
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TEXTON = $C051 ; Read/Write
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KBD = $c000 ; Read
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KBDSTRB = $c010 ; Read/Write
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RDVBLBAR = $C019 ; Read bit 7 (active low)
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