Listing 2ýThis portion of the RTL8019AS initialization process is more concerned with getting the RCM2100ýs Rabbit Semiconductor 2000 microprocessor in line. 
                After that is accomplished, the code does a ý9346 head fake on the RTL8019AS.



#ifdef ETHCOREMOD
#asm
;
;	initializes Ethernet Core Module boards
;
		ld	a,(PEDDRShadow)					; PE2,PE6 io strobes
		or	a,0x44
		ld	(PEDDRShadow),a
ioi		ld	(PEDDR),a

		ld	a,(PEFRShadow)					; PE2,PE6 io strobes
		or	a,0x44
		ld	(PEFRShadow),a
ioi		ld	(PEFR),a

		ld	a,0x90						; set the io strobes
		ld	(IB2CRShadow),a
ioi		ld	(IB2CR),a
		ld	a,0xa8
		ld	(IB6CRShadow),a
ioi		ld	(IB6CR),a

		ld	a,(PDDDRShadow)
		or	a,0x90						; PD7,PD4 outputs
		ld	(PDDDRShadow),a
ioi		ld	(PDDDR),a

		ld	a,(PDDCRShadow)					; no open drains, no special functions
		and	a,0x6f
		ld	(PDDCRShadow),a
ioi		ld	(PDDCR),a
		ld	a,(PDFRShadow)
		and	a,0x6f
		ld	(PDFRShadow),a
ioi		ld	(PDFR),a

		ld	a,(PDDRShadow)
		or	a,0x10
		ld	(PDDRShadow),a
ioi		ld	(PDDR),a

		ld	hl,1000						; wait for NIC to reset and establish link...
		call	mswait

		ld	a,(PDDRShadow)					; PD7=OFF,PD4=OFF
		and	a,0x6f
		ld	(PDDRShadow),a
ioi		ld	(PDDR),a
	
		ld	hl, PD_RD1
resetloop:								; wait for NIC to reset and establish link...
ioe		ld 	a, (hl)
		cp	0x7E
		jr	z, resetloop

		;
		; read then write to the RESET register
		; Poll the reset bit in the INTSTATUS register
		;

ioe		ld	a,(PD_RD1+PD_RESET)
		ld	hl,16
		call	tickwait
ioe		ld	(PD_WR1+PD_RESET),a

		ld	a,0x21						; stop NIC
ioe		ld	(PD_WR1),a

		ld	hl,16						; wait 1.6ms
		call	tickwait

		;; clear all currently pending interrupts
		ld	a,0xFF
		ioe	ld (PD_WR1+PD_INTSTATUS),a

		;; set up interrupt vector
		ld	hl, pd_int0
		push	hl
		ld	hl, 0x0001
		push	hl
		call	SetVectExtern2000
		add	sp, 4

		;; set up PE4,5 exteral interrupt lines
		ld	a, 0x33
		ioi	ld (I0CR), a
		ioi	ld (I1CR), a

		;
		; emulate the 9346 for first RealTek
		;

		ipset	1
	
		ld	a,0xc0
		ioe	ld (PD_WR1),a

		ld	a,0x40
		ioe	ld (PD_WR1+PD_9346CR),a

		call	emu_9346

		ipres

		ld	hl,5
		call	tickwait
#endasm

	j = 0;
	for (i=0; i<6; i++) {
		EthAddress1[i] = SysIDBlock.macAddr[i];
		j += EthAddress1[i];
	}

	// if ID block's MAC address is zero, hit a runtime error...
	if (j == 0)		exception(251);	

	rt_init(PD_WR1, EthAddress1);
	// any initialization code common to all boards goes here

#endif	// ETHCOREMOD

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