C++ (Cpp) serial_iec_bus_read Beispiele

Beispiel #1

Datei: serial-trap.c Projekt: Chegwin/GBA4iOS-2.0-Beta-4

/* Receive one byte from the serial bus.  */
int serial_trap_receive(void)
{
    BYTE data;

    if (serial_truedrive && ((TrapDevice & 0x0f) != 4) && ((TrapDevice & 0x0f) != 5)) {
        return 0;
    }

    data = serial_iec_bus_read(TrapDevice, TrapSecondary, serial_set_st);

    mem_store(tmp_in, data);

    /* If at EOF, call specified callback function.  */
    if ((serial_get_st() & 0x40) && eof_callback_func != NULL) {
        eof_callback_func();
    }

    /* Set registers like the Kernal routine does.  */
    MOS6510_REGS_SET_A(&maincpu_regs, data);
    MOS6510_REGS_SET_SIGN(&maincpu_regs, (data & 0x80) ? 1 : 0);
    MOS6510_REGS_SET_ZERO(&maincpu_regs, data ? 0 : 1);
    MOS6510_REGS_SET_CARRY(&maincpu_regs, 0);
    MOS6510_REGS_SET_INTERRUPT(&maincpu_regs, 0);

    return 1;
}

Beispiel #2

Datei: serial-iec.c Projekt: BigBoss21X/vice-emu

int serial_iec_read(unsigned int unit, unsigned int secondary, BYTE *data)
{
    if (listen) {
        serial_iec_bus_unlisten(unit, (BYTE)secondary, serial_iec_set_st);
        listen = 0;
    }

    if (!talk) {
        serial_iec_bus_talk(unit | 0x40, (BYTE)secondary, serial_iec_set_st);
        talk = 1;
    }

    *data = serial_iec_bus_read(unit, (BYTE)secondary, serial_iec_set_st);

    return serial_iec_st;
}