C++ (Cpp) datasette_toggle_write_bit示例

示例#1

文件： c64pla.c 项目： AreaScout/vice

void c64pla_config_changed(int tape_sense, int caps_sense, BYTE pullup)
{
    pport.data_out = (pport.data_out & ~pport.dir) | (pport.data & pport.dir);

    pport.data_read = (pport.data | ~pport.dir) & (pport.data_out | pullup);

    if ((pullup & 0x40) && !caps_sense) {
        pport.data_read &= 0xbf;
    }

    if (!(pport.dir & 0x20)) {
        pport.data_read &= 0xdf;
    }

    if (tape_sense && !(pport.dir & 0x10)) {
        pport.data_read &= 0xef;
    }

    if (((pport.dir & pport.data) & 0x20) != old_port_data_out) {
        old_port_data_out = (pport.dir & pport.data) & 0x20;
        datasette_set_motor(!old_port_data_out);
    }

    if (((~pport.dir | pport.data) & 0x8) != old_port_write_bit) {
        old_port_write_bit = (~pport.dir | pport.data) & 0x8;
        datasette_toggle_write_bit((~pport.dir | pport.data) & 0x8);
    }

    pport.dir_read = pport.dir;
}

示例#2

文件： cbm2tpi1.c 项目： bobsummerwill/VICE

static void store_pb(tpi_context_t *tpi_context, BYTE byte)
{
    if ((byte ^ tpi_context->oldpb) & 0x40)
        datasette_set_motor(!(byte & 0x40));
    if ((byte ^ tpi_context->oldpb) & 0x20)
        datasette_toggle_write_bit(byte & 0x20);
}

示例#3

文件： petvia.c 项目： emanuel4you/meta-emanuel

static void store_prb(via_context_t *via_context, BYTE byte, BYTE myoldpb,
                      WORD addr)
{
    if ((addr == VIA_DDRB) && (via_context->via[addr] & 0x20)) {
        log_warning(via_context->log,
                    "PET: Killer POKE! might kill a real PET!\n");
    }
    parallel_cpu_set_nrfd((BYTE)(!(byte & 0x02)));
    parallel_cpu_set_atn((BYTE)(!(byte & 0x04)));
    if ((byte ^ myoldpb) & 0x8) {
        datasette_toggle_write_bit((~(via_context->via[VIA_DDRB]) | byte) & 0x8);
    }
}

示例#4

文件： plus4mem.c 项目： bobsummerwill/VICE

inline static void mem_proc_port_store(void)
{

    /*  Correct clock */
    ted_handle_pending_alarms(maincpu_rmw_flag + 1);

    pport.data_out = (pport.data_out & ~pport.dir)
                     | (pport.data & pport.dir);

    if (((~pport.dir | pport.data) & 0x02) != old_port_write_bit) {
        old_port_write_bit = (~pport.dir | pport.data) & 0x02;
        datasette_toggle_write_bit((~pport.dir | ~pport.data) & 0x02);
    }

    (*iecbus_callback_write)((BYTE)~pport.data_out, last_write_cycle);

    if (((pport.dir & pport.data) & 0x08) != old_port_data_out) {
        old_port_data_out = (pport.dir & pport.data) & 0x08;
        datasette_set_motor(!old_port_data_out);
    }
}