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34 lines
380 B
ArmAsm
34 lines
380 B
ArmAsm
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; Stefan Haubenthal, 2008-04-29
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.export initcwd
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.import findfreeiocb
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.import __cwd
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.include "atari.inc"
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.segment "INIT"
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.proc initcwd
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jsr findfreeiocb
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bne oserr
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lda #48
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sta ICCOM,x
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lda #<__cwd
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sta ICBLL,x
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lda #>__cwd
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sta ICBLH,x
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jsr CIOV
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bmi oserr
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ldx #0 ; ATEOL -> \0
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: lda __cwd,x
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inx
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cmp #ATEOL
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bne :-
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lda #0
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sta __cwd-1,x
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oserr: rts
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.endproc
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