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40 lines
596 B
ArmAsm
40 lines
596 B
ArmAsm
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; 2002-11-15, Ullrich von Bassewitz
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; 2019-11-08, Greg King
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;
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; Variables used for CBM file I/O
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;
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.export curunit
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.constructor initcurunit, 30
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.destructor updatedevnum, 30
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.include "cx16.inc"
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.segment "INIT"
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curunit:
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.res 1
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.segment "ONCE"
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.proc initcurunit
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lda DEVNUM
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bne L0
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lda #8 ; Default is SD card
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sta DEVNUM
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L0: sta curunit
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rts
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.endproc
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.code
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.proc updatedevnum
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lda curunit
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sta DEVNUM
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rts
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.endproc
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