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really use default drive

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git-svn-id: svn://svn.cc65.org/cc65/trunk@4834 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cpg 2010-10-29 19:53:45 +00:00
parent 3386876fd3
commit f0d0e4e543
1 changed files with 31 additions and 7 deletions
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38
libsrc/atari/posixdirent.s
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@ -6,6 +6,10 @@
.import findfreeiocb, clriocb
.import __oserror, return0, __do_oserror
.importzp ptr1, tmp1
.ifdef DEFAULT_DEVICE
.import __defdev
.endif
.proc _opendir
sta ptr1
@ -16,19 +20,36 @@
@iocbok: stx diriocb
jsr clriocb
ldx diriocb
ldy #0 ; '.' -> "D:*.*"
lda (ptr1),y
cmp #'.'
bne @use_parm
; "." was given as parameter, use default device/dir
.ifdef DEFAULT_DEVICE
; construct a "Dn:*.*" like string from the default drive
lda __defdev+1
sta dddefdev+1 ; copy drive number (overwrite 2nd 'D')
lda #<dddefdev
sta ICBAL,x
lda #>dddefdev
sta ICBAH,x
bne @cont
.else
lda #<defdev
sta ICBAL,x
lda #>defdev
sta ICBAH,x
ldy #0 ; '.' -> "D:*.*"
lda (ptr1),y
cmp #'.'
beq @default
lda ptr1
bne @cont
.endif
@use_parm: lda ptr1
sta ICBAL,x
lda ptr1+1
sta ICBAH,x
@default: lda #OPEN
@cont: lda #OPEN
sta ICCOM,x
lda #OPNIN|DIRECT
sta ICAX1,x
@ -127,7 +148,10 @@ copychar: lda (ptr1),y ; src=y dest=tmp1
@cioerr: jmp __do_oserror
.endproc
.rodata
.data
.ifdef DEFAULT_DEVICE
dddefdev: .byte "D"
.endif
defdev: .asciiz "D:*.*"
.bss