static WRITE8_DEVICE_HANDLER( n7751_p2_w ) { /* write to P2; low 4 bits go to 8243 */ i8243_p2_w(device, offset, data & 0x0f); /* output of bit $80 indicates we are ready (1) or busy (0) */ /* no other outputs are used */ n7751_busy = data; }
static WRITE8_DEVICE_HANDLER( n7751_p2_w ) { othello_state *state = device->machine().driver_data<othello_state>(); /* write to P2; low 4 bits go to 8243 */ i8243_p2_w(device, offset, data & 0x0f); /* output of bit $80 indicates we are ready (1) or busy (0) */ /* no other outputs are used */ state->m_n7751_busy = data; }