11 lines
423 B
ArmAsm
11 lines
423 B
ArmAsm
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;; Registers according to Ultimate 64 Command Interface ddescription,
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;; https://1541u-documentation.readthedocs.io/en/latest/command%20interface.html
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.alias U64_CONTROL $DF1C ; write
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.alias U64_STATUS $DF1C ; read
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.alias U64_COMMAND_DATA $DF1D ; write
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.alias U64_IDENTIFICATION $DF1D ; read
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.alias U64_RESPONSE_DATA $DF1E ; read only
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.alias U64_STATUS_DATA $DF1F ; read only
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