diff options
Diffstat (limited to 'src/mess/drivers/m20.c')
-rw-r--r-- | src/mess/drivers/m20.c | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/src/mess/drivers/m20.c b/src/mess/drivers/m20.c index b1a2ef6b76e..8682e32a760 100644 --- a/src/mess/drivers/m20.c +++ b/src/mess/drivers/m20.c @@ -87,7 +87,6 @@ public: DECLARE_WRITE_LINE_MEMBER(tty_clock_tick_w); DECLARE_WRITE_LINE_MEMBER(kbd_clock_tick_w); DECLARE_WRITE_LINE_MEMBER(timer_tick_w); - DECLARE_READ_LINE_MEMBER(kbd_rx); DECLARE_WRITE_LINE_MEMBER(kbd_tx); DECLARE_WRITE8_MEMBER(kbd_put); @@ -148,12 +147,7 @@ UINT32 m20_state::screen_update_m20(screen_device &screen, bitmap_rgb32 &bitmap, return 0; } -// these two i8251 callbacks will ask for/send 1 bit at a time. -READ_LINE_MEMBER(m20_state::kbd_rx) -{ - /* TODO: correct hookup for keyboard, keyboard uses 8048 */ - return 0x00; -} +/* TODO: correct hookup for keyboard, keyboard uses 8048 */ WRITE_LINE_MEMBER(m20_state::kbd_tx) { @@ -869,9 +863,7 @@ void m20_state::fdc_intrq_w(bool state) static const i8251_interface kbd_i8251_intf = { - DEVCB_DRIVER_LINE_MEMBER(m20_state, kbd_rx), DEVCB_DRIVER_LINE_MEMBER(m20_state, kbd_tx), - DEVCB_NULL, // dsr DEVCB_NULL, // dtr DEVCB_NULL, // rts DEVCB_DRIVER_LINE_MEMBER(m20_state, kbd_rxrdy_int), // rx ready @@ -882,9 +874,7 @@ static const i8251_interface kbd_i8251_intf = static const i8251_interface tty_i8251_intf = { - DEVCB_NULL, // rxd in DEVCB_NULL, // txd out - DEVCB_NULL, // dsr DEVCB_NULL, // dtr DEVCB_NULL, // rts DEVCB_NULL, // rx ready |