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Diffstat (limited to 'src/devices/machine/z80sio.h')
-rw-r--r--src/devices/machine/z80sio.h302
1 files changed, 151 insertions, 151 deletions
diff --git a/src/devices/machine/z80sio.h b/src/devices/machine/z80sio.h
index bf75e8fe362..dc04bd5c020 100644
--- a/src/devices/machine/z80sio.h
+++ b/src/devices/machine/z80sio.h
@@ -59,7 +59,7 @@
#include "cpu/z80/z80daisy.h"
//**************************************************************************
-// DEVICE CONFIGURATION MACROS
+// DEVICE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_Z80SIO_ADD(_tag, _clock, _rxa, _txa, _rxb, _txb) \
@@ -116,7 +116,7 @@
//**************************************************************************
-// TYPE DEFINITIONS
+// TYPE DEFINITIONS
//**************************************************************************
// ======================> z80sio_channel
@@ -146,7 +146,7 @@ public:
UINT8 do_sioreg_rr0();
UINT8 do_sioreg_rr1();
UINT8 do_sioreg_rr2();
-
+
// write register handlers
void do_sioreg_wr0(UINT8 data);
void do_sioreg_wr0_resets(UINT8 data);
@@ -157,7 +157,7 @@ public:
void do_sioreg_wr5(UINT8 data);
void do_sioreg_wr6(UINT8 data);
void do_sioreg_wr7(UINT8 data);
-
+
UINT8 control_read();
void control_write(UINT8 data);
@@ -178,11 +178,11 @@ public:
int m_txc;
// Register state
- // read registers enum
+ // read registers enum
UINT8 m_rr0; // REG_RR0_STATUS
UINT8 m_rr1; // REG_RR1_SPEC_RCV_COND
UINT8 m_rr2; // REG_RR2_INTERRUPT_VECT
- // write registers enum
+ // write registers enum
UINT8 m_wr0; // REG_WR0_COMMAND_REGPT
UINT8 m_wr1; // REG_WR1_INT_DMA_ENABLE
UINT8 m_wr2; // REG_WR2_INT_VECTOR
@@ -206,153 +206,153 @@ protected:
// Read registers
enum
{
- REG_RR0_STATUS = 0,
- REG_RR1_SPEC_RCV_COND = 1,
- REG_RR2_INTERRUPT_VECT = 2
+ REG_RR0_STATUS = 0,
+ REG_RR1_SPEC_RCV_COND = 1,
+ REG_RR2_INTERRUPT_VECT = 2
};
-
+
// Write registers
enum
{
- REG_WR0_COMMAND_REGPT = 0,
- REG_WR1_INT_DMA_ENABLE = 1,
- REG_WR2_INT_VECTOR = 2,
- REG_WR3_RX_CONTROL = 3,
- REG_WR4_RX_TX_MODES = 4,
- REG_WR5_TX_CONTROL = 5,
- REG_WR6_SYNC_OR_SDLC_A = 6,
- REG_WR7_SYNC_OR_SDLC_F = 7
+ REG_WR0_COMMAND_REGPT = 0,
+ REG_WR1_INT_DMA_ENABLE = 1,
+ REG_WR2_INT_VECTOR = 2,
+ REG_WR3_RX_CONTROL = 3,
+ REG_WR4_RX_TX_MODES = 4,
+ REG_WR5_TX_CONTROL = 5,
+ REG_WR6_SYNC_OR_SDLC_A = 6,
+ REG_WR7_SYNC_OR_SDLC_F = 7
};
-
+
enum
{
- RR0_RX_CHAR_AVAILABLE = 0x01,
- RR0_INTERRUPT_PENDING = 0x02,
- RR0_TX_BUFFER_EMPTY = 0x04,
- RR0_DCD = 0x08,
- RR0_SYNC_HUNT = 0x10,
- RR0_CTS = 0x20,
- RR0_TX_UNDERRUN = 0x40,
- RR0_BREAK_ABORT = 0x80
+ RR0_RX_CHAR_AVAILABLE = 0x01,
+ RR0_INTERRUPT_PENDING = 0x02,
+ RR0_TX_BUFFER_EMPTY = 0x04,
+ RR0_DCD = 0x08,
+ RR0_SYNC_HUNT = 0x10,
+ RR0_CTS = 0x20,
+ RR0_TX_UNDERRUN = 0x40,
+ RR0_BREAK_ABORT = 0x80
};
enum
{
- RR1_ALL_SENT = 0x01,
- RR1_RESIDUE_CODE_MASK = 0x0e,
- RR1_PARITY_ERROR = 0x10,
- RR1_RX_OVERRUN_ERROR = 0x20,
- RR1_CRC_FRAMING_ERROR = 0x40,
- RR1_END_OF_FRAME = 0x80
+ RR1_ALL_SENT = 0x01,
+ RR1_RESIDUE_CODE_MASK = 0x0e,
+ RR1_PARITY_ERROR = 0x10,
+ RR1_RX_OVERRUN_ERROR = 0x20,
+ RR1_CRC_FRAMING_ERROR = 0x40,
+ RR1_END_OF_FRAME = 0x80
};
enum
- { // TODO: overload SIO functionality
- RR2_INT_VECTOR_MASK = 0xff, // SCC channel A, SIO channel B (special case)
- RR2_INT_VECTOR_V1 = 0x02, // SIO (special case) /SCC Channel B
- RR2_INT_VECTOR_V2 = 0x04, // SIO (special case) /SCC Channel B
- RR2_INT_VECTOR_V3 = 0x08 // SIO (special case) /SCC Channel B
+ { // TODO: overload SIO functionality
+ RR2_INT_VECTOR_MASK = 0xff, // SCC channel A, SIO channel B (special case)
+ RR2_INT_VECTOR_V1 = 0x02, // SIO (special case) /SCC Channel B
+ RR2_INT_VECTOR_V2 = 0x04, // SIO (special case) /SCC Channel B
+ RR2_INT_VECTOR_V3 = 0x08 // SIO (special case) /SCC Channel B
};
-
+
enum
{
- WR0_REGISTER_MASK = 0x07,
- WR0_COMMAND_MASK = 0x38,
- WR0_NULL = 0x00,
- WR0_SEND_ABORT = 0x08, // not supported
- WR0_RESET_EXT_STATUS = 0x10,
- WR0_CHANNEL_RESET = 0x18,
- WR0_ENABLE_INT_NEXT_RX = 0x20,
- WR0_RESET_TX_INT = 0x28, // not supported
- WR0_ERROR_RESET = 0x30,
- WR0_RETURN_FROM_INT = 0x38, // not supported
- WR0_CRC_RESET_CODE_MASK = 0xc0, // not supported
- WR0_CRC_RESET_NULL = 0x00, // not supported
- WR0_CRC_RESET_RX = 0x40, // not supported
- WR0_CRC_RESET_TX = 0x80, // not supported
+ WR0_REGISTER_MASK = 0x07,
+ WR0_COMMAND_MASK = 0x38,
+ WR0_NULL = 0x00,
+ WR0_SEND_ABORT = 0x08, // not supported
+ WR0_RESET_EXT_STATUS = 0x10,
+ WR0_CHANNEL_RESET = 0x18,
+ WR0_ENABLE_INT_NEXT_RX = 0x20,
+ WR0_RESET_TX_INT = 0x28, // not supported
+ WR0_ERROR_RESET = 0x30,
+ WR0_RETURN_FROM_INT = 0x38, // not supported
+ WR0_CRC_RESET_CODE_MASK = 0xc0, // not supported
+ WR0_CRC_RESET_NULL = 0x00, // not supported
+ WR0_CRC_RESET_RX = 0x40, // not supported
+ WR0_CRC_RESET_TX = 0x80, // not supported
WR0_CRC_RESET_TX_UNDERRUN = 0xc0 // not supported
};
enum
{
- WR1_EXT_INT_ENABLE = 0x01,
- WR1_TX_INT_ENABLE = 0x02,
- WR1_STATUS_VECTOR = 0x04,
- WR1_RX_INT_MODE_MASK = 0x18,
- WR1_RX_INT_DISABLE = 0x00,
- WR1_RX_INT_FIRST = 0x08,
- WR1_RX_INT_ALL_PARITY = 0x10, // not supported
- WR1_RX_INT_ALL = 0x18,
- WR1_WRDY_ON_RX_TX = 0x20, // not supported
- WR1_WRDY_FUNCTION = 0x40, // not supported
- WR1_WRDY_ENABLE = 0x80 // not supported
+ WR1_EXT_INT_ENABLE = 0x01,
+ WR1_TX_INT_ENABLE = 0x02,
+ WR1_STATUS_VECTOR = 0x04,
+ WR1_RX_INT_MODE_MASK = 0x18,
+ WR1_RX_INT_DISABLE = 0x00,
+ WR1_RX_INT_FIRST = 0x08,
+ WR1_RX_INT_ALL_PARITY = 0x10, // not supported
+ WR1_RX_INT_ALL = 0x18,
+ WR1_WRDY_ON_RX_TX = 0x20, // not supported
+ WR1_WRDY_FUNCTION = 0x40, // not supported
+ WR1_WRDY_ENABLE = 0x80 // not supported
};
enum
{
- WR2_DATA_XFER_INT = 0x00, // not supported
- WR2_DATA_XFER_DMA_INT = 0x01, // not supported
- WR2_DATA_XFER_DMA = 0x02, // not supported
- WR2_DATA_XFER_ILLEGAL = 0x03, // not supported
- WR2_DATA_XFER_MASK = 0x03, // not supported
- WR2_PRIORITY = 0x04, // not supported
- WR2_MODE_8085_1 = 0x00, // not supported
- WR2_MODE_8085_2 = 0x08, // not supported
- WR2_MODE_8086_8088 = 0x10, // not supported
- WR2_MODE_ILLEGAL = 0x18, // not supported
- WR2_MODE_MASK = 0x18, // not supported
- WR2_VECTORED_INT = 0x20, // not supported
- WR2_PIN10_SYNDETB_RTSB = 0x80 // not supported
+ WR2_DATA_XFER_INT = 0x00, // not supported
+ WR2_DATA_XFER_DMA_INT = 0x01, // not supported
+ WR2_DATA_XFER_DMA = 0x02, // not supported
+ WR2_DATA_XFER_ILLEGAL = 0x03, // not supported
+ WR2_DATA_XFER_MASK = 0x03, // not supported
+ WR2_PRIORITY = 0x04, // not supported
+ WR2_MODE_8085_1 = 0x00, // not supported
+ WR2_MODE_8085_2 = 0x08, // not supported
+ WR2_MODE_8086_8088 = 0x10, // not supported
+ WR2_MODE_ILLEGAL = 0x18, // not supported
+ WR2_MODE_MASK = 0x18, // not supported
+ WR2_VECTORED_INT = 0x20, // not supported
+ WR2_PIN10_SYNDETB_RTSB = 0x80 // not supported
};
enum
{
- WR3_RX_ENABLE = 0x01,
+ WR3_RX_ENABLE = 0x01,
WR3_SYNC_CHAR_LOAD_INHIBIT= 0x02, // not supported
- WR3_ADDRESS_SEARCH_MODE = 0x04, // not supported
- WR3_RX_CRC_ENABLE = 0x08, // not supported
- WR3_ENTER_HUNT_PHASE = 0x10, // not supported
- WR3_AUTO_ENABLES = 0x20,
- WR3_RX_WORD_LENGTH_MASK = 0xc0,
- WR3_RX_WORD_LENGTH_5 = 0x00,
- WR3_RX_WORD_LENGTH_7 = 0x40,
- WR3_RX_WORD_LENGTH_6 = 0x80,
- WR3_RX_WORD_LENGTH_8 = 0xc0
+ WR3_ADDRESS_SEARCH_MODE = 0x04, // not supported
+ WR3_RX_CRC_ENABLE = 0x08, // not supported
+ WR3_ENTER_HUNT_PHASE = 0x10, // not supported
+ WR3_AUTO_ENABLES = 0x20,
+ WR3_RX_WORD_LENGTH_MASK = 0xc0,
+ WR3_RX_WORD_LENGTH_5 = 0x00,
+ WR3_RX_WORD_LENGTH_7 = 0x40,
+ WR3_RX_WORD_LENGTH_6 = 0x80,
+ WR3_RX_WORD_LENGTH_8 = 0xc0
};
enum
{
- WR4_PARITY_ENABLE = 0x01,
- WR4_PARITY_EVEN = 0x02,
- WR4_STOP_BITS_MASK = 0x0c,
- WR4_STOP_BITS_1 = 0x04,
- WR4_STOP_BITS_1_5 = 0x08, // not supported
- WR4_STOP_BITS_2 = 0x0c,
- WR4_SYNC_MODE_MASK = 0x30, // not supported
- WR4_SYNC_MODE_8_BIT = 0x00, // not supported
- WR4_SYNC_MODE_16_BIT = 0x10, // not supported
- WR4_SYNC_MODE_SDLC = 0x20, // not supported
- WR4_SYNC_MODE_EXT = 0x30, // not supported
- WR4_CLOCK_RATE_MASK = 0xc0,
- WR4_CLOCK_RATE_X1 = 0x00,
- WR4_CLOCK_RATE_X16 = 0x40,
- WR4_CLOCK_RATE_X32 = 0x80,
- WR4_CLOCK_RATE_X64 = 0xc0
+ WR4_PARITY_ENABLE = 0x01,
+ WR4_PARITY_EVEN = 0x02,
+ WR4_STOP_BITS_MASK = 0x0c,
+ WR4_STOP_BITS_1 = 0x04,
+ WR4_STOP_BITS_1_5 = 0x08, // not supported
+ WR4_STOP_BITS_2 = 0x0c,
+ WR4_SYNC_MODE_MASK = 0x30, // not supported
+ WR4_SYNC_MODE_8_BIT = 0x00, // not supported
+ WR4_SYNC_MODE_16_BIT = 0x10, // not supported
+ WR4_SYNC_MODE_SDLC = 0x20, // not supported
+ WR4_SYNC_MODE_EXT = 0x30, // not supported
+ WR4_CLOCK_RATE_MASK = 0xc0,
+ WR4_CLOCK_RATE_X1 = 0x00,
+ WR4_CLOCK_RATE_X16 = 0x40,
+ WR4_CLOCK_RATE_X32 = 0x80,
+ WR4_CLOCK_RATE_X64 = 0xc0
};
enum
{
- WR5_TX_CRC_ENABLE = 0x01, // not supported
- WR5_RTS = 0x02,
- WR5_CRC16 = 0x04, // not supported
- WR5_TX_ENABLE = 0x08,
- WR5_SEND_BREAK = 0x10,
- WR5_TX_WORD_LENGTH_MASK = 0x60,
- WR5_TX_WORD_LENGTH_5 = 0x00,
- WR5_TX_WORD_LENGTH_6 = 0x40,
- WR5_TX_WORD_LENGTH_7 = 0x20,
- WR5_TX_WORD_LENGTH_8 = 0x60,
- WR5_DTR = 0x80
+ WR5_TX_CRC_ENABLE = 0x01, // not supported
+ WR5_RTS = 0x02,
+ WR5_CRC16 = 0x04, // not supported
+ WR5_TX_ENABLE = 0x08,
+ WR5_SEND_BREAK = 0x10,
+ WR5_TX_WORD_LENGTH_MASK = 0x60,
+ WR5_TX_WORD_LENGTH_5 = 0x00,
+ WR5_TX_WORD_LENGTH_6 = 0x40,
+ WR5_TX_WORD_LENGTH_7 = 0x20,
+ WR5_TX_WORD_LENGTH_8 = 0x60,
+ WR5_DTR = 0x80
};
void update_serial();
@@ -366,30 +366,30 @@ protected:
int get_tx_word_length();
// receiver state
- UINT8 m_rx_data_fifo[3]; // receive data FIFO
- UINT8 m_rx_error_fifo[3]; // receive error FIFO
- UINT8 m_rx_error; // current receive error
- int m_rx_fifo; // receive FIFO pointer
+ UINT8 m_rx_data_fifo[3]; // receive data FIFO
+ UINT8 m_rx_error_fifo[3]; // receive error FIFO
+ UINT8 m_rx_error; // current receive error
+ int m_rx_fifo; // receive FIFO pointer
- int m_rx_clock; // receive clock pulse count
- int m_rx_first; // first character received
- int m_rx_break; // receive break condition
- UINT8 m_rx_rr0_latch; // read register 0 latched
+ int m_rx_clock; // receive clock pulse count
+ int m_rx_first; // first character received
+ int m_rx_break; // receive break condition
+ UINT8 m_rx_rr0_latch; // read register 0 latched
int m_rxd;
- int m_sh; // sync hunt
- int m_cts; // clear to send latch
- int m_dcd; // data carrier detect latch
+ int m_sh; // sync hunt
+ int m_cts; // clear to send latch
+ int m_dcd; // data carrier detect latch
// transmitter state
- UINT8 m_tx_data; // transmit data register
- int m_tx_clock; // transmit clock pulse count
+ UINT8 m_tx_data; // transmit data register
+ int m_tx_clock; // transmit clock pulse count
- int m_dtr; // data terminal ready
- int m_rts; // request to send
+ int m_dtr; // data terminal ready
+ int m_rts; // request to send
// synchronous state
- UINT16 m_sync; // sync character
+ UINT16 m_sync; // sync character
int m_index;
z80sio_device *m_uart;
@@ -403,11 +403,11 @@ class z80sio_device : public device_t,
{
friend class z80sio_channel;
- public:
+ public:
// construction/destruction
z80sio_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT32 variant, const char *shortname, const char *source);
z80sio_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
-
+
template<class _Object> static devcb_base &set_out_txda_callback(device_t &device, _Object object) { return downcast<z80sio_device &>(device).m_out_txda_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_dtra_callback(device_t &device, _Object object) { return downcast<z80sio_device &>(device).m_out_dtra_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_rtsa_callback(device_t &device, _Object object) { return downcast<z80sio_device &>(device).m_out_rtsa_cb.set_callback(object); }
@@ -504,25 +504,25 @@ protected:
int m_rxcb;
int m_txcb;
- devcb_write_line m_out_txda_cb;
- devcb_write_line m_out_dtra_cb;
- devcb_write_line m_out_rtsa_cb;
- devcb_write_line m_out_wrdya_cb;
- devcb_write_line m_out_synca_cb;
-
- devcb_write_line m_out_txdb_cb;
- devcb_write_line m_out_dtrb_cb;
- devcb_write_line m_out_rtsb_cb;
- devcb_write_line m_out_wrdyb_cb;
- devcb_write_line m_out_syncb_cb;
-
- devcb_write_line m_out_int_cb;
- devcb_write_line m_out_rxdrqa_cb;
- devcb_write_line m_out_txdrqa_cb;
- devcb_write_line m_out_rxdrqb_cb;
- devcb_write_line m_out_txdrqb_cb;
-
- int m_int_state[8]; // interrupt state
+ devcb_write_line m_out_txda_cb;
+ devcb_write_line m_out_dtra_cb;
+ devcb_write_line m_out_rtsa_cb;
+ devcb_write_line m_out_wrdya_cb;
+ devcb_write_line m_out_synca_cb;
+
+ devcb_write_line m_out_txdb_cb;
+ devcb_write_line m_out_dtrb_cb;
+ devcb_write_line m_out_rtsb_cb;
+ devcb_write_line m_out_wrdyb_cb;
+ devcb_write_line m_out_syncb_cb;
+
+ devcb_write_line m_out_int_cb;
+ devcb_write_line m_out_rxdrqa_cb;
+ devcb_write_line m_out_txdrqa_cb;
+ devcb_write_line m_out_rxdrqb_cb;
+ devcb_write_line m_out_txdrqb_cb;
+
+ int m_int_state[8]; // interrupt state
int m_variant;
};