Hi, I have following code:
void draw_board(const unsigned char board[]) {
unsigned char i, j, k, tmp;
for(i=0; i<20; i++) {
for(j=0; j<3; j++) {
gotoxy(i*4+j, 0);
for(k=0; k<5; k++) {
tmp = 0x00;
if(k<4) {
if(board[i] & (0x01 << 7 - k*2)) tmp += 0x07;
if(board[i] & (0x01 << 6 - k*2)) tmp += 0x70;
write_data(tmp);
}
else {
tmp=board[i-0];
delay_ms(1000);
write_data(tmp);
}
}
gotoxy(i*4+4, 0);
for(k=0; k<5; k++)
write_data(0x00);
}
}
}
My problem is so as soon as tmp=board[i-0]; is executed pic (16f877a) will
reset. tmp=board[i]; is OK also tmp=board[tmp-0]; is OK. Why is this
happening? Is this known issue? How can I get aound this problem? Thanks.
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