void control(SD(sd),
const Signals& OpCode,
const Signals& Out)
{
Signal bits(WORDSIZE, "ROM Output");
loadRom(controlRom, ROMSIZE * WORDSIZE, "controlUnitRom.txt");
Rom(SD(sd, "1a"), OpCode, bits, ROMSIZE, WORDSIZE, controlRom);
for (int ndx = 0; ndx < NUM_BITS; ++ndx)
Or(SD(sd, "1a"), (bits[ndx], Zero), Out[ndx]);
}
Rom get_rom()
{
char ch;
string value;
cin >> ch;
while (is_roman(ch))
{
value += ch;
cin >> ch;
}
cin.unget();
return Rom(number, value);
};
Rom Rom_stream::get()
{
if (is_full) { Rom rr = get_buffer(); return rr; };
char ch;
Rom r;
cin >> ch;
switch (ch)
{
case '(': case ')': case '=': case '+': case '-': case '*': case '/':
return Rom(ch);
case 'X': case 'I': case 'V': case'M': case'C':
cin.unget();
r = get_rom();
r.ival = calculate_int(r.value);
return r;
default:
error("wrong input");
}
}
void simnet() {
// input to ROM
Signal address(4, "address");
Switch("1a", address[3], '3');
Switch("1a", address[2], '2');
Switch("1a", address[1], '1');
Switch("1a", address[0], '0');
// output from ROM
Signal bits(8, "ROM Output");
// burn the rom
loadRom(romContents, NUM_WORDS, "romfile.txt");
// instantiate the rom
Rom("1b", address, bits, ROMSIZE, WORDSIZE, romContents);
Probe("1c", bits);
}
