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90 lines
1.4 KiB
ArmAsm
90 lines
1.4 KiB
ArmAsm
;
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; Initial version: Stefan Haubenthal, 2005-12-24
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; Some fixes: Christian Groessler, 2009-01-28
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;
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; unsigned char _sysmkdir (const char* name, ...);
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; for SpartaDOS and MYDOS
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;
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.include "atari.inc"
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.include "errno.inc"
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.import addysp
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.import popax
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.import findfreeiocb
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.importzp tmp4
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.ifdef UCASE_FILENAME
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.importzp tmp3
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.import ucase_fn
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.endif
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.export __sysmkdir
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.proc __sysmkdir
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dey ; parm count < 2 shouldn't be needed to be...
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dey ; ...checked (it generates a C compiler warning)
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beq parmok ; branch if parameter count ok
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jsr addysp ; fix stack, throw away unused parameters
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parmok: jsr popax ; get name
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pha ; save input parameter
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txa
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pha
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jsr findfreeiocb
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beq iocbok ; we found one
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pla
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pla ; fix up stack
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lda #TMOF ; too many open files
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rts
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iocbok: stx tmp4 ; remember IOCB index
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pla
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tax
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pla ; get argument again
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.ifdef UCASE_FILENAME
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jsr ucase_fn
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bcc ucok1
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lda #182 ; see oserror.s
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rts
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ucok1:
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.endif ; defined UCASE_FILENAME
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ldy tmp4 ; IOCB index
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sta ICBAL,y ; store pointer to filename
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txa
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sta ICBAH,y
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tya
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tax
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lda #42
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sta ICCOM,x
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lda #8
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sta ICAX1,x
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lda #0
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sta ICAX2,x
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sta ICBLL,x
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sta ICBLH,x
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jsr CIOV
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.ifdef UCASE_FILENAME
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tya
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pha
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ldy tmp3 ; get size
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jsr addysp ; free used space on the stack
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pla
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tay
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.endif ; defined UCASE_FILENAME
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bmi cioerr
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lda #0
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rts
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cioerr: tya
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rts
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.endproc ; __sysmkdir
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