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Update by Oliver Schmidt
git-svn-id: svn://svn.cc65.org/cc65/trunk@3742 b7a2c559-68d2-44c3-8de9-860c34a00d81
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@ -4,21 +4,14 @@
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.export initcwd
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.import __cwd
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.import subysp, addysp
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.include "zeropage.inc"
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.include "mli.inc"
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.segment "INIT"
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initcwd:
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; Alloc prefix buffer
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ldy #1 + 64+1 ; Length byte + max pathname length+trailing slash
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jsr subysp
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; Use allocated prefix buffer
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lda sp
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ldx sp+1
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; Set static prefix buffer
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lda #<__cwd
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ldx #>__cwd
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sta mliparam + MLI::PREFIX::PATHNAME
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stx mliparam + MLI::PREFIX::PATHNAME+1
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@ -26,24 +19,22 @@ initcwd:
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lda #GET_PREFIX_CALL
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ldx #PREFIX_COUNT
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jsr callmli
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bcs done
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; Check for null prefix
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ldy #$00
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lda (sp),y
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beq done
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lda __cwd
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beq done
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; Set current working directory
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; - omit trailing slash and length byte
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; - terminating zero already in place
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tay
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dey
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: lda (sp),y
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sta __cwd-1,y
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dey
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bne :-
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; Cleanup stack
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done: ldy #1 + 64+1 ; Length byte + max pathname length+trailing slash
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jmp addysp
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; Remove length byte and trailing slash
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sta tmp1
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ldx #$01
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: lda __cwd,x
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sta __cwd - 1,x
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inx
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cpx tmp1
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bcc :-
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; Add terminating zero
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lda #$00
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sta __cwd - 1,x
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done: rts
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@ -6,7 +6,7 @@
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.export __syschdir
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.import pushname, popname
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.import __cwd
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.import initcwd
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.include "zeropage.inc"
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.include "mli.inc"
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@ -28,12 +28,8 @@ __syschdir:
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jsr callmli
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bcs cleanup
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ldy #$01
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: lda (sp),y
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sta __cwd-1,y
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beq cleanup
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iny
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bne :- ; Branch always
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; Update current working directory
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jsr initcwd ; Returns with A = 0
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; Cleanup name
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cleanup:jsr popname ; Preserves A
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