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z80scc: general cleanup and backport of z80sio improvements part II

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This commit is contained in:
Joakim Larsson Edstrom 2017-11-20 02:00:20 +01:00
parent 2e9b62d4bd
commit 846e5d67c1
2 changed files with 261 additions and 259 deletions
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251
src/devices/machine/z80scc.cpp
View File

@ -128,6 +128,239 @@ DONE (x) (p=partly) NMOS CMOS ESCC EMSCC
#define CHANA_TAG "cha"
#define CHANB_TAG "chb"
enum
{
RR0_RX_CHAR_AVAILABLE = 0x01,
RR0_ZC = 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
};
enum
{
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
{
RR3_CHANB_EXT_IP = 0x01, // SCC IP pending registers
RR3_CHANB_TX_IP = 0x02, // only read in Channel A (for both channels)
RR3_CHANB_RX_IP = 0x04, // channel B return all zero
RR3_CHANA_EXT_IP = 0x08,
RR3_CHANA_TX_IP = 0x10,
RR3_CHANA_RX_IP = 0x20
};
// Universal Bus WR0 commands for 85X30
enum
{
WR0_REGISTER_MASK = 0x07,
WR0_COMMAND_MASK = 0x38, // COMMANDS
WR0_NULL = 0x00, // 0 0 0
WR0_POINT_HIGH = 0x08, // 0 0 1
WR0_RESET_EXT_STATUS = 0x10, // 0 1 0
WR0_SEND_ABORT = 0x18, // 0 1 1
WR0_ENABLE_INT_NEXT_RX = 0x20, // 1 0 0
WR0_RESET_TX_INT = 0x28, // 1 0 1
WR0_ERROR_RESET = 0x30, // 1 1 0
WR0_RESET_HIGHEST_IUS = 0x38, // 1 1 1
WR0_CRC_RESET_CODE_MASK = 0xc0, // RESET
WR0_CRC_RESET_NULL = 0x00, // 0 0
WR0_CRC_RESET_RX = 0x40, // 0 1
WR0_CRC_RESET_TX = 0x80, // 1 0
WR0_CRC_RESET_TX_UNDERRUN = 0xc0 // 1 1
};
enum // ZBUS WR0 commands or 80X30
{
WR0_Z_COMMAND_MASK = 0x38, // COMMANDS
WR0_Z_NULL_1 = 0x00, // 0 0 0
WR0_Z_NULL_2 = 0x08, // 0 0 1
WR0_Z_RESET_EXT_STATUS = 0x10, // 0 1 0
WR0_Z_SEND_ABORT = 0x18, // 0 1 1
WR0_Z_ENABLE_INT_NEXT_RX = 0x20, // 1 0 0
WR0_Z_RESET_TX_INT = 0x28, // 1 0 1
WR0_Z_ERROR_RESET = 0x30, // 1 1 0
WR0_Z_RESET_HIGHEST_IUS = 0x38, // 1 1 1
WR0_Z_SHIFT_MASK = 0x03, // SHIFT mode SDLC chan B
WR0_Z_SEL_SHFT_LEFT = 0x02, // 1 0
WR0_Z_SEL_SHFT_RIGHT = 0x03 // 1 1
};
enum
{
WR1_EXT_INT_ENABLE = 0x01,
WR1_TX_INT_ENABLE = 0x02,
WR1_PARITY_IS_SPEC_COND = 0x04,
WR1_RX_INT_MODE_MASK = 0x18,
WR1_RX_INT_DISABLE = 0x00,
WR1_RX_INT_FIRST = 0x08,
WR1_RX_INT_ALL = 0x10,
WR1_RX_INT_PARITY = 0x18,
WR1_WREQ_ON_RX_TX = 0x20,
WR1_WREQ_FUNCTION = 0x40,
WR1_WREQ_ENABLE = 0x80
};
enum
{
WR3_RX_ENABLE = 0x01,
WR3_SYNC_CHAR_LOAD_INHIBIT = 0x02,
WR3_ADDRESS_SEARCH_MODE = 0x04,
WR3_RX_CRC_ENABLE = 0x08,
WR3_ENTER_HUNT_MODE = 0x10,
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,
WR4_STOP_BITS_2 = 0x0c,
WR4_SYNC_MODE_MASK = 0x30,
WR4_SYNC_MODE_8_BIT = 0x00,
WR4_SYNC_MODE_16_BIT = 0x10,
WR4_BIT4 = 0x10,
WR4_SYNC_MODE_SDLC = 0x20,
WR4_BIT5 = 0x20,
WR4_SYNC_MODE_EXT = 0x30,
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,
WR5_RTS = 0x02,
WR5_CRC16 = 0x04,
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
};
enum
{
WR7P_TX_FIFO_EMPTY = 0x04
};
enum
{
WR9_CMD_MASK = 0xC0,
WR9_CMD_NORESET = 0x00,
WR9_CMD_CHNB_RESET = 0x40,
WR9_CMD_CHNA_RESET = 0x80,
WR9_CMD_HW_RESET = 0xC0,
WR9_BIT_VIS = 0x01,
WR9_BIT_NV = 0x02,
WR9_BIT_DLC = 0x04,
WR9_BIT_MIE = 0x08,
WR9_BIT_SHSL = 0x10,
WR9_BIT_IACK = 0x20
};
enum
{
WR10_8_6_BIT_SYNC = 0x01,
WR10_LOOP_MODE = 0x02,
WR10_ABORT_FLAG_UNDERRUN = 0x04,
WR10_MARK_FLAG_IDLE = 0x08,
WR10_GO_ACTIVE_ON_POLL = 0x10,
WR10_ENCODING_MASK = 0x60,
WR10_NRZ_ENCODING = 0x00,
WR10_NRZI_ENCODING = 0x20,
WR10_BIT5 = 0x20,
WR10_FM1_ENCODING = 0x40,
WR10_BIT6 = 0x40,
WR10_FM0_ENCODING = 0x60,
WR10_CRC_PRESET = 0x80
};
enum
{
WR11_RCVCLK_TYPE = 0x80,
WR11_RCVCLK_SRC_MASK = 0x60, // RCV CLOCK
WR11_RCVCLK_SRC_RTXC = 0x00, // 0 0
WR11_RCVCLK_SRC_TRXC = 0x20, // 0 1
WR11_RCVCLK_SRC_BR = 0x40, // 1 0
WR11_RCVCLK_SRC_DPLL = 0x60, // 1 1
WR11_TRACLK_SRC_MASK = 0x18, // TRA CLOCK
WR11_TRACLK_SRC_RTXC = 0x00, // 0 0
WR11_TRACLK_SRC_TRXC = 0x08, // 0 1
WR11_TRACLK_SRC_BR = 0x10, // 1 0
WR11_TRACLK_SRC_DPLL = 0x18, // 1 1
WR11_TRXC_DIRECTION = 0x04,
WR11_TRXSRC_SRC_MASK = 0x03, // TRXX CLOCK
WR11_TRXSRC_SRC_XTAL = 0x00, // 0 0
WR11_TRXSRC_SRC_TRA = 0x01, // 0 1
WR11_TRXSRC_SRC_BR = 0x02, // 1 0
WR11_TRXSRC_SRC_DPLL = 0x03 // 1 1
};
enum
{
WR14_DPLL_CMD_MASK = 0xe0, // Command
WR14_CMD_NULL = 0x00, // 0 0 0
WR14_CMD_ESM = 0x20, // 0 0 1
WR14_CMD_RMC = 0x40, // 0 1 0
WR14_CMD_DISABLE_DPLL = 0x60, // 0 1 1
WR14_CMD_SS_BRG = 0x80, // 1 0 0
WR14_CMD_SS_RTXC = 0xa0, // 1 0 1
WR14_CMD_SET_FM = 0xc0, // 1 1 0
WR14_CMD_SET_NRZI = 0xe0, // 1 1 1
WR14_BRG_ENABLE = 0x01,
WR14_BRG_SOURCE = 0x02,
WR14_DTR_REQ_FUNC = 0x04,
WR14_AUTO_ECHO = 0x08,
WR14_LOCAL_LOOPBACK = 0x10
};
enum
{
WR15_WR7PRIME = 0x01,
WR15_ZEROCOUNT = 0x02,
WR15_STATUS_FIFO = 0x04,
WR15_DCD = 0x08,
WR15_SYNC = 0x10,
WR15_CTS = 0x20,
WR15_TX_EOM = 0x40,
WR15_BREAK_ABORT = 0x80
};
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
@ -371,7 +604,7 @@ int z80scc_device::z80daisy_irq_state()
}
// Last chance to keep the control of the interrupt line
state |= (m_wr9 & z80scc_channel::WR9_BIT_DLC) ? Z80_DAISY_IEO : 0;
state |= (m_wr9 & WR9_BIT_DLC) ? Z80_DAISY_IEO : 0;
LOGINT("- Interrupt State %u\n", state);
@ -396,7 +629,7 @@ int z80scc_device::z80daisy_irq_ack()
elem = Z80_DAISY_IEO; // Set IUS bit (called IEO in z80 daisy lingo)
check_interrupts();
LOGINT(" - Found an INT request, ");
if (m_wr9 & z80scc_channel::WR9_BIT_VIS)
if (m_wr9 & WR9_BIT_VIS)
{
LOGINT("but WR9 D1 set to use autovector, returning the default vector\n");
break;
@ -487,7 +720,7 @@ uint8_t z80scc_device::modify_vector(uint8_t vec, int i, uint8_t src)
src |= (i == CHANNEL_A ? 0x04 : 0x00 );
// Modify vector according to Hi/lo bit of WR9
if (m_wr9 & z80scc_channel::WR9_BIT_SHSL) // Affect V4-V6
if (m_wr9 & WR9_BIT_SHSL) // Affect V4-V6
{
vec &= 0x8f;
vec |= src << 4;
@ -529,7 +762,7 @@ void z80scc_device::trigger_interrupt(int index, int type)
LOGINT("%s %s:%c %02x \n",FUNCNAME, tag(), 'A' + index, type);
/* The Master Interrupt Enable (MIE) bit, WR9 D3, must be set to enable the SCC to generate interrupts.*/
if (!(m_wr9 & z80scc_channel::WR9_BIT_MIE))
if (!(m_wr9 & WR9_BIT_MIE))
{
LOGINT("Master Interrupt Enable is not set, blocking attempt to interrupt\n");
return;
@ -543,7 +776,7 @@ void z80scc_device::trigger_interrupt(int index, int type)
return;
}
// Vector modification requested?
if (m_wr9 & z80scc_channel::WR9_BIT_VIS)
if (m_wr9 & WR9_BIT_VIS)
{
vector = modify_vector(vector, index, source);
}
@ -632,8 +865,8 @@ READ8_MEMBER( z80scc_device::zbus_r )
switch ((m_chanB->m_wr0) & 7)
{
case z80scc_channel::WR0_Z_SEL_SHFT_LEFT: ba = offset & 0x01; reg = (offset >> 1) & 0x0f; break; /* Shift Left mode */
case z80scc_channel::WR0_Z_SEL_SHFT_RIGHT: ba = offset & 0x10; reg = (offset >> 1) & 0x0f; break; /* Shift Right mode */
case WR0_Z_SEL_SHFT_LEFT: ba = offset & 0x01; reg = (offset >> 1) & 0x0f; break; /* Shift Left mode */
case WR0_Z_SEL_SHFT_RIGHT: ba = offset & 0x10; reg = (offset >> 1) & 0x0f; break; /* Shift Right mode */
default:
logerror("Malformed Z-bus SCC read: offset %02x WR0 bits %02x\n", offset, m_chanB->m_wr0);
LOG("Malformed Z-bus SCC read: offset %02x WR0 bits %02x\n", offset, m_chanB->m_wr0);
@ -665,8 +898,8 @@ WRITE8_MEMBER( z80scc_device::zbus_w )
switch ((m_chanB->m_wr0) & 7)
{
case z80scc_channel::WR0_Z_SEL_SHFT_LEFT: ba = offset & 0x01; reg = (offset >> 1) & 0x0f; break; /* Shift Left mode */
case z80scc_channel::WR0_Z_SEL_SHFT_RIGHT: ba = offset & 0x10; reg = (offset >> 1) & 0x0f; break; /* Shift Right mode */
case WR0_Z_SEL_SHFT_LEFT: ba = offset & 0x01; reg = (offset >> 1) & 0x0f; break; /* Shift Left mode */
case WR0_Z_SEL_SHFT_RIGHT: ba = offset & 0x10; reg = (offset >> 1) & 0x0f; break; /* Shift Right mode */
default:
logerror("Malformed Z-bus SCC write: offset %02x WR0 bits %02x\n", offset, m_chanB->m_wr0);
LOG("Malformed Z-bus SCC write: offset %02x WR0 bits %02x\n", offset, m_chanB->m_wr0);

269
src/devices/machine/z80scc.h
View File

@ -242,7 +242,7 @@ public:
uint8_t m_rr14; // REG_RR14_WR7_OR_R10
uint8_t m_rr15; // REG_RR15_WR15_EXT_STAT
// write registers enum
// write registers enum
uint8_t m_wr0; // REG_WR0_COMMAND_REGPT
uint8_t m_wr1; // REG_WR1_INT_DMA_ENABLE
uint8_t m_wr2; // REG_WR2_INT_VECTOR
@ -264,45 +264,45 @@ public:
protected:
enum
{
RCV_IDLE = 0,
RCV_SEEKING = 1,
RCV_SAMPLING = 2
RCV_IDLE = 0,
RCV_SEEKING = 1,
RCV_SAMPLING = 2
};
enum
{
INT_TRANSMIT = 0,
INT_EXTERNAL = 1,
INT_RECEIVE = 2,
INT_SPECIAL = 3,
INT_TRANSMIT = 0,
INT_EXTERNAL = 1,
INT_RECEIVE = 2,
INT_SPECIAL = 3,
};
enum
{
INT_TRANSMIT_PRIO = 1,
INT_EXTERNAL_PRIO = 0,
INT_RECEIVE_PRIO = 2,
INT_SPECIAL_PRIO = 0,
INT_TRANSMIT_PRIO = 1,
INT_EXTERNAL_PRIO = 0,
INT_RECEIVE_PRIO = 2,
INT_SPECIAL_PRIO = 0,
};
// Read registers
enum
{
REG_RR0_STATUS = 0,
REG_RR0_STATUS = 0,
REG_RR1_SPEC_RCV_COND = 1,
REG_RR2_INTERRUPT_VECT = 2,
REG_RR3_INTERUPPT_PEND = 3,
REG_RR4_WR4_OR_RR0 = 4,
REG_RR5_WR5_OR_RR0 = 5,
REG_RR6_LSB_OR_RR2 = 6,
REG_RR7_MSB_OR_RR3 = 7,
REG_RR4_WR4_OR_RR0 = 4,
REG_RR5_WR5_OR_RR0 = 5,
REG_RR6_LSB_OR_RR2 = 6,
REG_RR7_MSB_OR_RR3 = 7,
REG_RR8_RECEIVE_DATA = 8,
REG_RR9_WR3_OR_RR13 = 9,
REG_RR9_WR3_OR_RR13 = 9,
REG_RR10_MISC_STATUS = 10,
REG_RR11_WR10_OR_RR15 = 11,
REG_RR12_LO_TIME_CONST = 12,
REG_RR13_HI_TIME_CONST = 13,
REG_RR14_WR7_OR_R10 = 14,
REG_RR14_WR7_OR_R10 = 14,
REG_RR15_WR15_EXT_STAT = 15
};
@ -327,237 +327,6 @@ protected:
REG_WR15_EXT_ST_INT_CTRL= 15
};
enum
{
RR0_RX_CHAR_AVAILABLE = 0x01,
RR0_ZC = 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
};
enum
{
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
{
RR3_CHANB_EXT_IP = 0x01, // SCC IP pending registers
RR3_CHANB_TX_IP = 0x02, // only read in Channel A (for both channels)
RR3_CHANB_RX_IP = 0x04, // channel B return all zero
RR3_CHANA_EXT_IP = 0x08,
RR3_CHANA_TX_IP = 0x10,
RR3_CHANA_RX_IP = 0x20
};
enum // Universal Bus WR0 commands for 85X30
{
WR0_REGISTER_MASK = 0x07,
WR0_COMMAND_MASK = 0x38, // COMMANDS
WR0_NULL = 0x00, // 0 0 0
WR0_POINT_HIGH = 0x08, // 0 0 1
WR0_RESET_EXT_STATUS = 0x10, // 0 1 0
WR0_SEND_ABORT = 0x18, // 0 1 1
WR0_ENABLE_INT_NEXT_RX = 0x20, // 1 0 0
WR0_RESET_TX_INT = 0x28, // 1 0 1
WR0_ERROR_RESET = 0x30, // 1 1 0
WR0_RESET_HIGHEST_IUS = 0x38, // 1 1 1
WR0_CRC_RESET_CODE_MASK = 0xc0, // RESET
WR0_CRC_RESET_NULL = 0x00, // 0 0
WR0_CRC_RESET_RX = 0x40, // 0 1
WR0_CRC_RESET_TX = 0x80, // 1 0
WR0_CRC_RESET_TX_UNDERRUN = 0xc0 // 1 1
};
enum // ZBUS WR0 commands or 80X30
{
WR0_Z_COMMAND_MASK = 0x38, // COMMANDS
WR0_Z_NULL_1 = 0x00, // 0 0 0
WR0_Z_NULL_2 = 0x08, // 0 0 1
WR0_Z_RESET_EXT_STATUS = 0x10, // 0 1 0
WR0_Z_SEND_ABORT = 0x18, // 0 1 1
WR0_Z_ENABLE_INT_NEXT_RX= 0x20, // 1 0 0
WR0_Z_RESET_TX_INT = 0x28, // 1 0 1
WR0_Z_ERROR_RESET = 0x30, // 1 1 0
WR0_Z_RESET_HIGHEST_IUS = 0x38, // 1 1 1
WR0_Z_SHIFT_MASK = 0x03, // SHIFT mode SDLC chan B
WR0_Z_SEL_SHFT_LEFT = 0x02, // 1 0
WR0_Z_SEL_SHFT_RIGHT = 0x03 // 1 1
};
enum
{
WR1_EXT_INT_ENABLE = 0x01,
WR1_TX_INT_ENABLE = 0x02,
WR1_PARITY_IS_SPEC_COND = 0x04,
WR1_RX_INT_MODE_MASK = 0x18,
WR1_RX_INT_DISABLE = 0x00,
WR1_RX_INT_FIRST = 0x08,
WR1_RX_INT_ALL = 0x10,
WR1_RX_INT_PARITY = 0x18,
WR1_WREQ_ON_RX_TX = 0x20,
WR1_WREQ_FUNCTION = 0x40,
WR1_WREQ_ENABLE = 0x80
};
enum
{
WR3_RX_ENABLE = 0x01,
WR3_SYNC_CHAR_LOAD_INHIBIT = 0x02,
WR3_ADDRESS_SEARCH_MODE = 0x04,
WR3_RX_CRC_ENABLE = 0x08,
WR3_ENTER_HUNT_MODE = 0x10,
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,
WR4_STOP_BITS_2 = 0x0c,
WR4_SYNC_MODE_MASK = 0x30,
WR4_SYNC_MODE_8_BIT = 0x00,
WR4_SYNC_MODE_16_BIT = 0x10,
WR4_BIT4 = 0x10,
WR4_SYNC_MODE_SDLC = 0x20,
WR4_BIT5 = 0x20,
WR4_SYNC_MODE_EXT = 0x30,
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,
WR5_RTS = 0x02,
WR5_CRC16 = 0x04,
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
};
enum
{
WR7P_TX_FIFO_EMPTY = 0x04
};
enum
{
WR9_CMD_MASK = 0xC0,
WR9_CMD_NORESET = 0x00,
WR9_CMD_CHNB_RESET = 0x40,
WR9_CMD_CHNA_RESET = 0x80,
WR9_CMD_HW_RESET = 0xC0,
WR9_BIT_VIS = 0x01,
WR9_BIT_NV = 0x02,
WR9_BIT_DLC = 0x04,
WR9_BIT_MIE = 0x08,
WR9_BIT_SHSL = 0x10,
WR9_BIT_IACK = 0x20
};
enum
{
WR10_8_6_BIT_SYNC = 0x01,
WR10_LOOP_MODE = 0x02,
WR10_ABORT_FLAG_UNDERRUN = 0x04,
WR10_MARK_FLAG_IDLE = 0x08,
WR10_GO_ACTIVE_ON_POLL = 0x10,
WR10_ENCODING_MASK = 0x60,
WR10_NRZ_ENCODING = 0x00,
WR10_NRZI_ENCODING = 0x20,
WR10_BIT5 = 0x20,
WR10_FM1_ENCODING = 0x40,
WR10_BIT6 = 0x40,
WR10_FM0_ENCODING = 0x60,
WR10_CRC_PRESET = 0x80
};
enum
{
WR11_RCVCLK_TYPE = 0x80,
WR11_RCVCLK_SRC_MASK = 0x60, // RCV CLOCK
WR11_RCVCLK_SRC_RTXC = 0x00, // 0 0
WR11_RCVCLK_SRC_TRXC = 0x20, // 0 1
WR11_RCVCLK_SRC_BR = 0x40, // 1 0
WR11_RCVCLK_SRC_DPLL = 0x60, // 1 1
WR11_TRACLK_SRC_MASK = 0x18, // TRA CLOCK
WR11_TRACLK_SRC_RTXC = 0x00, // 0 0
WR11_TRACLK_SRC_TRXC = 0x08, // 0 1
WR11_TRACLK_SRC_BR = 0x10, // 1 0
WR11_TRACLK_SRC_DPLL = 0x18, // 1 1
WR11_TRXC_DIRECTION = 0x04,
WR11_TRXSRC_SRC_MASK = 0x03, // TRXX CLOCK
WR11_TRXSRC_SRC_XTAL = 0x00, // 0 0
WR11_TRXSRC_SRC_TRA = 0x01, // 0 1
WR11_TRXSRC_SRC_BR = 0x02, // 1 0
WR11_TRXSRC_SRC_DPLL = 0x03 // 1 1
};
enum
{
WR14_DPLL_CMD_MASK = 0xe0, // Command
WR14_CMD_NULL = 0x00, // 0 0 0
WR14_CMD_ESM = 0x20, // 0 0 1
WR14_CMD_RMC = 0x40, // 0 1 0
WR14_CMD_DISABLE_DPLL = 0x60, // 0 1 1
WR14_CMD_SS_BRG = 0x80, // 1 0 0
WR14_CMD_SS_RTXC = 0xa0, // 1 0 1
WR14_CMD_SET_FM = 0xc0, // 1 1 0
WR14_CMD_SET_NRZI = 0xe0, // 1 1 1
WR14_BRG_ENABLE = 0x01,
WR14_BRG_SOURCE = 0x02,
WR14_DTR_REQ_FUNC = 0x04,
WR14_AUTO_ECHO = 0x08,
WR14_LOCAL_LOOPBACK = 0x10
};
enum
{
WR15_WR7PRIME = 0x01,
WR15_ZEROCOUNT = 0x02,
WR15_STATUS_FIFO = 0x04,
WR15_DCD = 0x08,
WR15_SYNC = 0x10,
WR15_CTS = 0x20,
WR15_TX_EOM = 0x40,
WR15_BREAK_ABORT = 0x80
};
enum
{
TIMER_ID_BAUD,