Jrunner + Serial Flash Loader (SFL) + EPCS4 [How to programm EPCS without Quartus II]

Here it is:

# define TDO_PIN	(1<<18)	//	out
# define TMS_PIN	(1<<17)	//	out
# define TDI_PIN	(1<<16)	//	in
# define TCK_PIN	(1<<19)	//	out
# define JTAG_PINS_MASK (TDO_PIN|TMS_PIN|TDI_PIN|TCK_PIN)
/***************************************************************//**
 *	Init processor pins.
 ******************************************************************/
int InitPorts(void)
{
	printf("Init JTAG ports.\n");
	
	IO1CLR = 0x02000000;//(unsigned int)(1<<25);	//	p1.25	led ON
	// JTAG
	IO1CLR  = (JTAG_PINS_MASK);	
	IO1DIR |= ( (TDO_PIN)|(TMS_PIN)|          (TCK_PIN)	);	//	out
	IO1DIR &=~(                     (TDI_PIN)			);	//	in
	return 0;
}
/***************************************************************//**
 *	DeInit processor pins.
 ******************************************************************/
int DeInitPorts(void)
{
	printf("De Init JTAG ports.\n");
	IO1SET = 0x02000000;//(unsigned int)(1<<25);	//	p1.25	led OFF
	// JTAG
	IO1CLR  = (JTAG_PINS_MASK);	
	IO1DIR &=~(JTAG_PINS_MASK);	//	all in :)
	return 0;
}
/******************************************************************/
/*  ReadPort    (int port input is ignored)                                   
/******************************************************************/
int ReadPort(int port)
{
	int data = 0;
	data = (IO1PIN & (TDI_PIN))?0x00:0x80;	//	inversed - nTDO = 0x00 or 0x80
	return (data & 0xff);
}
/******************************************************************/
/* WritePort                  
/******************************************************************/
void WritePort(int port,int data,int buffer_enable)
{
	unsigned int pins_to_clr=0,pins_to_set=0;
	pins_to_set |= ((port==0)&&(data&0x01)) ? (TCK_PIN) : (0);
	pins_to_set |= ((port==0)&&(data&0x02)) ? (TMS_PIN) : (0);
	pins_to_set |= ((port==0)&&(data&0x40)) ? (TDO_PIN) : (0);
	pins_to_clr = (~pins_to_set)&(JTAG_PINS_MASK);
	IO1SET = pins_to_set;
	IO1CLR = pins_to_clr;
# define PORTS_DEBUG_PRINT	0
# if PORTS_DEBUG_PRINT
		if((port==0) && (data & 0x01)) {printf("\t  TCK=1");}else{printf("\t  TCK=0");}
		if((port==0) && (data & 0x02)) {printf("\t  TMS=1");}else{printf("\t  TMS=0");}
		if((port==0) && (data & 0x40)) {printf("\t nTDO=1");}else{printf("\t nTDO=0");}
# endif
	
}