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Altera_Forum
Honored Contributor I
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DE2-lab4-computer organization exercise help/solution

an you please help me out on the lab_4 exercise in computer organization laboratory exercises. I prefer not to write in assembly, so using C to write the application program for it. Its a DE2 board.  

 

If anyone could please help me out with a solution.  

code: 

# include<stdio.h> 

//define timerr (char *) 0x00011000 

define jtag_uart_cnt (char *) 0x00011024 

define jtag_uart_data ( char *) 0x00011020 

 

int main(){ 

 

 

char x; 

int x2; 

while(1){ 

 

*jtag_uart_cnt=0xfffff; 

 

if(*jtag_uart_cnt>0){ 

 

 

printf("write data to jtag_uart\n"); 

scanf("%s",x); 

x2=(int)x; 

 

*jtag_uart_data=x2; 

 

printf("sucessfully written to jtag data register\n"); 

 

 

 

return 1; 

}
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