diff options
Diffstat (limited to 'src/devices/machine/z80sio.h')
-rw-r--r-- | src/devices/machine/z80sio.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/devices/machine/z80sio.h b/src/devices/machine/z80sio.h index bff002ccc12..f4363d23ce6 100644 --- a/src/devices/machine/z80sio.h +++ b/src/devices/machine/z80sio.h @@ -157,8 +157,6 @@ public: uint8_t data_read(); void data_write(uint8_t data); - void receive_reset(); - DECLARE_WRITE_LINE_MEMBER( write_rx ) { m_rxd = state; } DECLARE_WRITE_LINE_MEMBER( cts_w ); DECLARE_WRITE_LINE_MEMBER( dcd_w ); @@ -237,7 +235,6 @@ protected: virtual void device_start() override; virtual void device_reset() override; - void update_serial(); void update_dtr_rts_break(); void set_dtr(int state); void set_rts(int state); @@ -259,7 +256,6 @@ protected: int m_rx_first; // first character received int m_rx_break; // receive break condition - uint8_t m_rx_rr0_latch; // read register 0 latched int m_rxd; int m_sh; // sync hunt @@ -270,7 +266,7 @@ protected: int m_tx_clock; // transmit clock line state int m_tx_count; // clocks until next bit transition int m_tx_bits; // remaining bits in shift register - int m_tx_parity; // parity enable/disable + int m_tx_parity; // parity bit position or zero if disabled uint16_t m_tx_sr; // transmit shift register uint16_t m_tx_crc; // calculated transmit checksum uint8_t m_tx_hist; // transmit history (for bitstuffing) @@ -298,9 +294,13 @@ private: void out_rts_cb(int state); void out_dtr_cb(int state); void set_ready(bool ready); + bool receive_allowed() const; bool transmit_allowed() const; + void receive_enabled(); + void sync_receive(); void receive_data(); + void queue_received(uint16_t data, uint32_t error); void advance_rx_fifo(); void transmit_enable(); |