static DWORD
fetch_dword(AddressSpace *as, DWORD address) {
int dev = (address & DEV_MASK) >> 56;
if(!valid_card(address)) {
fprintf(stderr, "Warning: attempt to read from %016llX; returning 0xCCCCCCCCCCCCCCCC\n", address);
return 0xCCCCCCCCCCCCCCCC;
}
assert(as->readers);
assert(as->readers[dev]);
return as->readers[dev](as, address, 3);
}
static void
store_dword(AddressSpace *as, DWORD address, UDWORD datum) {
int dev = (address & DEV_MASK) >> 56;
if(!valid_card(address)) {
fprintf(stderr, "Warning: attempt to write to %016llX.\n", address);
return;
}
assert(as->writers);
assert(as->writers[dev]);
as->writers[dev](as, address, datum, 3);
}
// *******************************************************************
// FUNCTION: blackjack_hand
//
// DESCRIPTION: This function will take two cards and tell you what
// the blackjack hand total is.
//
// PARAMETERS: card1 - the first card
// card2 - the second card
//
// OUTPUTS: int - the value of the hand
//
// CALLS: valid_card
// *******************************************************************
int blackjack_hand (char card1, char card2)
{
bool valid_card (char card);
int hand_total;
// make the cards uppercase
card1 = toupper(card1);
card2 = toupper(card2);
// check that both inputs are valid
if (!valid_card(card1) || !valid_card(card2)) {
return -1;
}
// find the value of card1
if (card1 <= '9' && card1 >= '2') {
hand_total = card1 - 48; // subtract 48 from the value of the char to get the int value
}
else if (card1 == 'T' || card1 == 'J' || card1 == 'Q' || card1 == 'K') {
hand_total = 10;
}
else { // card1 = 'A'
hand_total = 11;
}
// find the value of card2
if (card2 <= '9' && card2 >= '2') {
hand_total += card2 - 48; // subtract 48 from the value of the char to get the int value
}
else if (card2 == 'T' || card2 == 'J' || card2 == 'Q' || card2 == 'K') {
hand_total += 10;
}
else { // card2 = 'A'
hand_total += 1;
}
return hand_total;
}
