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cc65/libsrc/cbm/sysrename.s

55 lines
1.1 KiB
ArmAsm

;
; Ullrich von Bassewitz, 2009-02-22
;
; unsigned char __fastcall__ _sysrename (const char *oldpath, const char *newpath);
;
.export __sysrename
.import fnparse, fnadd, fnparsename
.import opencmdchannel, closecmdchannel
.import writefndiskcmd, readdiskerror
.import popptr1
.import fncmd, fnunit
.importzp ptr1
;--------------------------------------------------------------------------
; __sysrename:
.proc __sysrename
jsr fnparse ; Parse first filename, pops newpath
bne done
lda #'='
jsr fnadd
jsr popptr1
; ldy #0 Y=0 guaranteed by popptr1
jsr fnparsename ; Parse second filename
bne done
ldx fnunit
jsr opencmdchannel
bne done
lda #'r' ; Rename command
sta fncmd
jsr writefndiskcmd
; ldx fnunit
; jsr readdiskerror
pha
ldx fnunit
jsr closecmdchannel
pla
done: rts
.endproc