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50 lines
1.1 KiB
ArmAsm
50 lines
1.1 KiB
ArmAsm
;
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; Oliver Schmidt, 18.04.2005
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;
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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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sta mliparam + MLI::PREFIX::PATHNAME
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stx mliparam + MLI::PREFIX::PATHNAME+1
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; Get current working directory
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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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; 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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