Z80 assembly mode

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#include    "ti83plus.inc"
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#define     progStart   $9D95
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.org        progStart-2
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.db         $BB,$6D
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    bcall(_ClrLCDFull)
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    ld  HL, 0
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    ld  (PenCol),   HL
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    ld  HL, Message
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    bcall(_PutS) ; Displays the string
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    bcall(_NewLine)
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    ret
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Message:
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.db         "Hello world!",0
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