Code:
#include <16F877.h>
#fuses HS,NOWDT,NOPROTECT,NOLVP
#use delay(clock=20000000)
#use rs232(baud=9600, xmit=PIN_C6, rcv=PIN_C7)
#include "stdlib.h"
#include <input.c>
#include "limits.h"
// The following initializes the first 4 locations of the data EERPOM
// using the #ROM directive
#rom 0x2100={1,2,3,4}
typedef int8 INTEE;
void main() {
unsigned int8 i, j, address;
INTEE value;
do {
printf("\r\n\nEEPROM:\r\n"); // Display contents of the first 64
for(i=0; i<=3; ++i) { // bytes of the data EEPROM in hex
for(j=0; j<=15; ++j) {
printf( "%2x ", read_eeprom( i*16+j ) );
}
printf("\n\r");
}
printf("\r\nLocation to change: ");
address = gethex();
printf("\r\nNew value: ");
value = gethex();
write_eeprom( address, value );
} while (TRUE);
}
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