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Amiga Plus 2000 #4
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Amiga Plus CD - 2000 - No. 4.iso
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powerd
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StrAdd.ass
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1999-09-21
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326 b
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19 lines
; (4,a7) - dest str
; (8,a7) - src str
; (12,a7) - length=-1
xdef _StrAdd
_StrAdd move.l (4,a7),a0
move.l (8,a7),a1
move.l (12,a7),d0
.find tst.b (a0)+ ; find end
bne.s .find
subq.l #1,a0 ; jump on zero byte
.loop move.b (a1)+,(a0)+ ; add str
beq.s .finish
dbf.s d0,.loop
clr.b (-1,a0)
.finish move.l a0,d0
rts