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usb_sm_ctrl_in_tx
;        USBCtrlTrfTxService();
;        if(short_pkt_status == SHORT_PKT_SENT){
;            // If a short packet has been sent, don't want to send any more,
;            // stall next time if host is still trying to read.
;            ep0Bi.Stat._byte = _USIE|_BSTALL;
;        }else{
;            if(ep0Bi.Stat.DTS == 0)
;                ep0Bi.Stat._byte = _USIE|_DAT1|_DTSEN;
;            else
;                ep0Bi.Stat._byte = _USIE|_DAT0|_DTSEN;
;        }
		; FSR0 must	be pointed to BDT_STAT(ep0Bi)
		rcall	usb_sm_ctrl_tx
		lfsr	FSR0, ep0Bi		;;BDT_STAT(ep0Bi)
		movlw	(_USIE | _DAT1 | _DTSEN)
		btfss	INDF0, DTS		; BDT_STAT(ep0Bi) ¡ã¡áÈȿͤϥ³¥¤¥Ä
		movlw	(_USIE | _DAT0 | _DTSEN)
		movwf	INDF0			; BDT_STAT(ep0Bi)
		return
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