37 lines
782 B
ArmAsm
37 lines
782 B
ArmAsm
;
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; Oliver Schmidt, 17.04.2005
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; Robert Justice, 2026
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;
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; unsigned char __fastcall__ _syschdir (const char* name);
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;
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.export __syschdir
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.import pushname, popname, sos_set_pathname_tos
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.import initcwd
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.include "zeropage.inc"
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.include "sos.inc"
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__syschdir:
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; Push name
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jsr pushname
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bne oserr
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; Set pushed name
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jsr sos_set_pathname_tos
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; Change directory
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lda #SET_PREFIX_CALL
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ldx #SET_PREFIX_COUNT
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jsr callsos
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bne cleanup
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; Update current working directory
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jsr initcwd
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lda #$00
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; Cleanup name
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cleanup:jsr popname ; Preserves A
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oserr: rts
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