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cc65/libsrc/apple2/initcwd.s

41 lines
864 B
ArmAsm

;
; Oliver Schmidt, 18.04.2005
;
.export initcwd
.import __cwd
.include "zeropage.inc"
.include "mli.inc"
initcwd:
; Set static prefix buffer
lda #<__cwd
ldx #>__cwd
sta mliparam + MLI::PREFIX::PATHNAME
stx mliparam + MLI::PREFIX::PATHNAME+1
; Get current working directory
lda #GET_PREFIX_CALL
ldx #PREFIX_COUNT
jsr callmli
; Check for null prefix
lda __cwd
beq done
; Remove length byte and trailing slash
sta tmp1
ldx #$01
: lda __cwd,x
sta __cwd - 1,x
inx
cpx tmp1
bcc :-
; Add terminating zero
lda #$00
sta __cwd - 1,x
done: rts