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ifndef included_xasin
define included_xasin
include "../common/pushpop.asm"
include "constantsx.asm"
include "xmul.asm"
include "xrsub.asm"
include "xsqrt.asm"
include "xbg.asm"
;x/BG(sqrt(1-x^2),1)
var_x=xOP1+152
xasin:
call pushpop
push bc
push hl
ld d,h
ld e,l
ld bc,xOP1
call xmul
ld h,b
ld l,c
ld de,xconst_1
call xrsub
call xsqrt
call xbg
pop de
pop bc
jp xmul
endif