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TMS5220/5110 merge Part 1 [Lord Nightmare]
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Lord-Nightmare
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@ -46,7 +46,55 @@
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Note the standard naming for d* data bits with 7 as MSB and 0 as LSB is in lowercase.
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TI's naming has D7 as LSB and D0 as MSB and is in uppercase
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TMS5100:
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+-----------------+
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TST | 1 28 | CS
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PDC | 2 27 | CTL8
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ROM CK | 3 26 | ADD8
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CPU CK | 4 25 | CTL1
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VDD | 5 24 | ADD1
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CR OSC | 6 23 | CTL2
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RC OSC | 7 22 | ADD2
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T11 | 8 21 | ADD4
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NC | 9 20 | CTL4
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I/O | 10 19 | M1
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SPK1 | 11 18 | NC
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SPK2 | 12 17 | NC
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PROM OUT | 13 16 | NC
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VSS | 14 15 | M0
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+-----------------+
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T11: Sync for serial data out
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M58817
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The following connections could be derived from radar scope schematics.
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The M58817 is not 100% pin compatible to the 5100, but really close.
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+-----------------+
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(NC) | 1 28 | CS
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PDC | 2 27 | CTL8
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ROM CK | 3 26 | ADD8 (to 58819)
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(NC) | 4 25 | CTL1
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(VDD,-5) | 5 24 | ADD1 (to 58819)
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(GND) | 6 23 | CTL2
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Xin | 7 22 | ADD2 (to 58819)
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Xout | 8 21 | ADD4 (to 58819)
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(NC) | 9 20 | CTL4
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(VDD,-5) | 10 19 | Status back to CPU
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(NC) | 11 18 | C1 (to 58819)
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SPKR | 12 17 | (NC)
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SPKR | 13 16 | C0 (to 58819)
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(NC) | 14 15 | (5V)
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+-----------------+
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TODO:
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5110:
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* implement CS
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* TMS5110_CMD_TEST_TALK is only partially implemented
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5220:
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* Samples repeat over and over in the 'eprom' test mode. Needs investigation.
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* Implement a ready callback for pc interfaces
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- this will be quite a challenge since for it to be really accurate
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@ -272,7 +320,7 @@ static INT16 clip_analog(INT16 cliptemp);
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/* must be defined; if 0, output the waveform as if it was tapped on the speaker pin as usual, if 1, output the waveform as if it was tapped on the i/o pin (volume is much lower in the latter case) */
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#define FORCE_DIGITAL 0
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/* must be defined; if 1, normal speech (one A cycle, one B cycle per interpolation step); if 0; speak as if SPKSLOW was used (two A cycles, one B cycle per interpolation step) */
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/* 5220 only; must be defined; if 1, normal speech (one A cycle, one B cycle per interpolation step); if 0; speak as if SPKSLOW was used (two A cycles, one B cycle per interpolation step) */
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#define FORCE_SUBC_RELOAD 1
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@ -280,9 +328,9 @@ static INT16 clip_analog(INT16 cliptemp);
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#undef VERBOSE
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// above is general, somewhat obsolete, catch all for debugs which don't fit elsewhere
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#undef DEBUG_DUMP_INPUT_DATA
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// above dumps the data input to the tms52xx to stdout, useful for making logged data dumps for real hardware tests
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// 5220 only; above dumps the data written to the tms52xx to stdout, useful for making logged data dumps for real hardware tests
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#undef DEBUG_FIFO
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// above debugs fifo stuff: writes, reads and flag updates
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// 5220 only; above debugs fifo stuff: writes, reads and flag updates
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#undef DEBUG_PARSE_FRAME_DUMP
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// above dumps each frame to stderr: be sure to select one of the options below if you define it!
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#undef DEBUG_PARSE_FRAME_DUMP_BIN
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@ -310,18 +358,39 @@ static INT16 clip_analog(INT16 cliptemp);
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#define MAX_SAMPLE_CHUNK 512
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/* Variants */
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/* 6+4 Variants, from tms5110r.inc */
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#define TMS5220_IS_5220C (4)
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#define TMS5220_IS_5200 (5)
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#define TMS5220_IS_5220 (6)
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#define TMS5220_IS_CD2501ECD (7)
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#define TMS5220_IS_TMC0281 (1)
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#define TMS5220_IS_TMC0281D (2)
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#define TMS5220_IS_CD2801 (3)
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#define TMS5220_IS_CD2802 (4)
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#define TMS5220_IS_TMS5110A (5)
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#define TMS5220_IS_M58817 (6)
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#define TMS5220_IS_5220C (7)
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#define TMS5220_IS_5200 (8)
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#define TMS5220_IS_5220 (9)
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#define TMS5220_IS_CD2501ECD (10)
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#define TMS5220_IS_CD2501E TMS5220_IS_5200
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// 52xx: decide whether we have rate control or not
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#define TMS5220_HAS_RATE_CONTROL ((m_variant == TMS5220_IS_5220C) || (m_variant == TMS5220_IS_CD2501ECD))
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// All: decide whether we are a 51xx or a 52xx
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#define TMS5220_IS_52xx ((m_variant == TMS5220_IS_5220C) || (m_variant == TMS5220_IS_5200) || (m_variant == TMS5220_IS_5220) || (m_variant == TMS5220_IS_CD2501ECD))
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/* 51xx: States for CTL */
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// ctl bus is input to tms51xx
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#define CTL_STATE_INPUT (0)
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// ctl bus is outputting a test talk command on CTL1(bit 0)
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#define CTL_STATE_TTALK_OUTPUT (1)
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// ctl bus is switching direction, next will be above
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#define CTL_STATE_NEXT_TTALK_OUTPUT (2)
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// ctl bus is outputting a read nybble 'output' command on CTL1,2,4,8 (bits 0-3)
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#define CTL_STATE_OUTPUT (3)
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// ctl bus is switching direction, next will be above
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#define CTL_STATE_NEXT_OUTPUT (4)
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static const UINT8 reload_table[4] = { 0, 2, 4, 6 }; //sample count reload for 5220c and cd2501ecd only; 5200 and 5220 always reload with 0; keep in mind this is loaded on IP=0 PC=12 subcycle=1 so it immediately will increment after one sample, effectively being 1,3,5,7 as in the comments above.
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// Pull in the ROM tables
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@ -332,6 +401,24 @@ void tms5220_device::set_variant(int variant)
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{
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switch (variant)
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{
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case TMS5220_IS_TMC0281:
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m_coeff = &T0280B_0281A_coeff;
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break;
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case TMS5220_IS_TMC0281D:
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m_coeff = &T0280D_0281D_coeff;
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break;
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case TMS5220_IS_CD2801:
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m_coeff = &T0280F_2801A_coeff;
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break;
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case TMS5220_IS_M58817:
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m_coeff = &M58817_coeff;
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break;
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case TMS5220_IS_CD2802:
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m_coeff = &T0280F_2802_coeff;
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break;
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case TMS5220_IS_TMS5110A:
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m_coeff = &tms5110a_coeff;
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break;
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case TMS5220_IS_5200:
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case TMS5220_IS_CD2501ECD:
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m_coeff = &T0285_2501E_coeff;
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@ -458,7 +545,59 @@ static void printbits(long data, int num)
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/**********************************************************************************************
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tms5220_data_write -- handle a write to the TMS5220
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tms5220_device::new_int_write -- wrap a write to the VSM
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***********************************************************************************************/
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void tms5220_device::new_int_write(UINT8 rc, UINT8 m0, UINT8 m1, UINT8 addr)
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{
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if (!m_m0_cb.isnull())
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m_m0_cb(m0);
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if (!m_m1_cb.isnull())
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m_m1_cb(m1);
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if (!m_addr_cb.isnull())
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m_addr_cb((offs_t)0, addr);
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if (!m_romclk_cb.isnull())
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{
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//printf("rc %d\n", rc);
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m_romclk_cb(rc);
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}
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}
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/**********************************************************************************************
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tms5220_device::new_int_write_addr -- wrap a 'load address' set of writes to the VSM
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***********************************************************************************************/
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void tms5220_device::new_int_write_addr(UINT8 addr)
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{
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new_int_write(1, 0, 1, addr); // romclk 1, m0 0, m1 1, addr bus nybble = xxxx
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new_int_write(0, 0, 1, addr); // romclk 0, m0 0, m1 1, addr bus nybble = xxxx
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new_int_write(1, 0, 0, addr); // romclk 1, m0 0, m1 0, addr bus nybble = xxxx
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new_int_write(0, 0, 0, addr); // romclk 0, m0 0, m1 0, addr bus nybble = xxxx
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}
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/**********************************************************************************************
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tms5220_device::new_int_write_addr -- wrap a 'read bit' set of writes to the VSM
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***********************************************************************************************/
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UINT8 tms5220_device::new_int_read()
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{
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new_int_write(1, 1, 0, 0); // romclk 1, m0 1, m1 0, addr bus nybble = 0/open bus
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new_int_write(0, 1, 0, 0); // romclk 0, m0 1, m1 0, addr bus nybble = 0/open bus
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new_int_write(1, 0, 0, 0); // romclk 1, m0 0, m1 0, addr bus nybble = 0/open bus
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new_int_write(0, 0, 0, 0); // romclk 0, m0 0, m1 0, addr bus nybble = 0/open bus
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if (!m_data_cb.isnull())
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return m_data_cb();
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#ifdef VERBOSE
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logerror("WARNING: CALLBACK MISSING, RETURNING 0!\n");
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#endif
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return 0;
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}
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/**********************************************************************************************
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tms5220_device::data_write -- handle a write to the TMS5220
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***********************************************************************************************/
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@ -626,13 +765,39 @@ int tms5220_device::extract_bits(int count)
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}
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else
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{
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#ifndef USE_NEW_TMS6100_CODE
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/** TODO: get rid of this old code */
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// extract from VSM (speech ROM)
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if (m_speechrom)
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val = m_speechrom->read(count);
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#else
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while (count--)
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{
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val = (val << 1) | new_int_read();
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#ifdef VERBOSE
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logerror("bit read: %d\n", val&1);
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#endif
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}
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#endif
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}
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return val;
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}
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/** TODO: dummy reads should be auto-done for tms52xx for the first read after an address load, but not tms51xx where they need to be done manually, if needed */
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void tms5220_device::perform_dummy_read()
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{
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if (m_schedule_dummy_read)
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{
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#ifdef VERBOSE
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int data = new_int_read();
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logerror("TMS5110 performing dummy read; value read = %1i\n", data & 1);
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#else
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new_int_read();
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#endif
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m_schedule_dummy_read = FALSE;
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}
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}
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/**********************************************************************************************
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tms5220_status_read -- read status or data from the TMS5220
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@ -1470,9 +1635,14 @@ void tms5220_device::device_start()
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set_variant(TMS5220_IS_5220);
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m_clock = clock();
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/* resolve irq and readyq line */
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/* resolve callbacks */
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m_irq_handler.resolve();
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m_readyq_handler.resolve();
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m_m0_cb.resolve();
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m_m1_cb.resolve();
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m_romclk_cb.resolve();
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m_addr_cb.resolve();
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m_data_cb.resolve();
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/* initialize a stream */
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m_stream = machine().sound().stream_alloc(*this, 0, 1, clock() / 80);
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@ -1917,7 +2087,12 @@ tms5220_device::tms5220_device(const machine_config &mconfig, const char *tag, d
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device_sound_interface(mconfig, *this),
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m_irq_handler(*this),
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m_readyq_handler(*this),
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m_speechrom_tag(nullptr)
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m_speechrom_tag(nullptr),
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m_m0_cb(*this),
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m_m1_cb(*this),
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m_addr_cb(*this),
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m_data_cb(*this),
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m_romclk_cb(*this)
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{
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}
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@ -1926,7 +2101,12 @@ tms5220_device::tms5220_device(const machine_config &mconfig, device_type type,
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device_sound_interface(mconfig, *this),
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m_irq_handler(*this),
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m_readyq_handler(*this),
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m_speechrom_tag(nullptr)
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m_speechrom_tag(nullptr),
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m_m0_cb(*this),
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m_m1_cb(*this),
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m_addr_cb(*this),
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m_data_cb(*this),
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m_romclk_cb(*this)
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{
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}
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@ -25,9 +25,25 @@
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#define MCFG_TMS52XX_READYQ_HANDLER(_devcb) \
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devcb = &tms5220_device::set_readyq_handler(*device, DEVCB_##_devcb);
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/* old VSM handler, remove me! */
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#define MCFG_TMS52XX_SPEECHROM(_tag) \
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tms5220_device::set_speechrom_tag(*device, _tag);
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/* new VSM handler */
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#define MCFG_TMS52XX_M0_CB(_devcb) \
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devcb = &tms5220_device::set_m0_callback(*device, DEVCB_##_devcb);
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#define MCFG_TMS52XX_M1_CB(_devcb) \
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devcb = &tms5220_device::set_m1_callback(*device, DEVCB_##_devcb);
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#define MCFG_TMS52XX_ADDR_CB(_devcb) \
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devcb = &tms5220_device::set_addr_callback(*device, DEVCB_##_devcb);
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#define MCFG_TMS52XX_DATA_CB(_devcb) \
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devcb = &tms5220_device::set_data_callback(*device, DEVCB_##_devcb);
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#define MCFG_TMS52XX_ROMCLK_CB(_devcb) \
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devcb = &tms5220_device::set_romclk_callback(*device, DEVCB_##_devcb);
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class tms5220_device : public device_t,
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public device_sound_interface
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{
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@ -38,7 +54,14 @@ public:
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// static configuration helpers
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template<class _Object> static devcb_base &set_irq_handler(device_t &device, _Object object) { return downcast<tms5220_device &>(device).m_irq_handler.set_callback(object); }
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template<class _Object> static devcb_base &set_readyq_handler(device_t &device, _Object object) { return downcast<tms5220_device &>(device).m_readyq_handler.set_callback(object); }
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// old VSM support, remove me!
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static void set_speechrom_tag(device_t &device, const char *_tag) { downcast<tms5220_device &>(device).m_speechrom_tag = _tag; }
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// new VSM support
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template<class _Object> static devcb_base &set_m0_callback(device_t &device, _Object object) { return downcast<tms5220_device &>(device).m_m0_cb.set_callback(object); }
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template<class _Object> static devcb_base &set_m1_callback(device_t &device, _Object object) { return downcast<tms5220_device &>(device).m_m1_cb.set_callback(object); }
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template<class _Object> static devcb_base &set_addr_callback(device_t &device, _Object object) { return downcast<tms5220_device &>(device).m_addr_cb.set_callback(object); }
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template<class _Object> static devcb_base &set_data_callback(device_t &device, _Object object) { return downcast<tms5220_device &>(device).m_data_cb.set_callback(object); }
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template<class _Object> static devcb_base &set_romclk_callback(device_t &device, _Object object) { return downcast<tms5220_device &>(device).m_romclk_cb.set_callback(object); }
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/* Control lines - once written to will switch interface into
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* "true" timing behaviour.
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@ -73,6 +96,12 @@ protected:
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void set_variant(int variant);
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private:
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// 51xx and VSM related
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void new_int_write(UINT8 rc, UINT8 m0, UINT8 m1, UINT8 addr);
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void new_int_write_addr(UINT8 addr);
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UINT8 new_int_read();
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void perform_dummy_read();
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// 52xx or common
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void register_for_save_states();
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void data_write(int data);
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void update_fifo_status_and_ints();
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@ -96,6 +125,24 @@ private:
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/* coefficient tables */
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const struct tms5100_coeffs *m_coeff;
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/* these contain global status bits */
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UINT8 m_PDC;
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UINT8 m_CTL_pins;
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UINT8 m_state;
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/* New VSM interface */
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UINT32 m_address;
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UINT8 m_next_is_address;
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UINT8 m_schedule_dummy_read;
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UINT8 m_addr_bit;
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/* read byte */
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UINT8 m_CTL_buffer;
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/* Old VSM interface; R Nabet : These have been added to emulate speech Roms */
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//UINT8 m_schedule_dummy_read; /* set after each load address, so that next read operation is preceded by a dummy read */
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UINT8 m_data_register; /* data register, used by read command */
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UINT8 m_RDB_flag; /* whether we should read data register or status register */
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/* these contain data that describes the 128-bit data FIFO */
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UINT8 m_fifo[FIFO_SIZE];
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UINT8 m_fifo_head;
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@ -167,11 +214,6 @@ private:
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UINT16 m_RNG; /* the random noise generator configuration is: 1 + x + x^3 + x^4 + x^13 TODO: no it isn't */
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INT16 m_excitation_data;
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/* R Nabet : These have been added to emulate speech Roms */
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UINT8 m_schedule_dummy_read; /* set after each load address, so that next read operation is preceded by a dummy read */
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UINT8 m_data_register; /* data register, used by read command */
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UINT8 m_RDB_flag; /* whether we should read data register or status register */
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/* The TMS52xx has two different ways of providing output data: the
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analog speaker pin (which was usually used) and the Digital I/O pin.
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The internal DAC used to feed the analog pin is only 8 bits, and has the
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@ -201,8 +243,18 @@ private:
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/* callbacks */
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devcb_write_line m_irq_handler;
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devcb_write_line m_readyq_handler;
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// next 2 lines are old speechrom handler, remove me!
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const char *m_speechrom_tag;
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speechrom_device *m_speechrom;
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// next lines are new speechrom handler
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devcb_write_line m_m0_cb; // the M0 line
|
||||
devcb_write_line m_m1_cb; // the M1 line
|
||||
devcb_write8 m_addr_cb; // Write to ADD1,2,4,8 - 4 address bits
|
||||
devcb_read_line m_data_cb; // Read one bit from ADD8/Data - voice data
|
||||
// On a real chip rom_clk is running all the time
|
||||
// Here, we only use it to properly emulate the protocol.
|
||||
// Do not rely on it to be a timed signal.
|
||||
devcb_write_line m_romclk_cb; // rom clock - Only used to drive the data lines
|
||||
};
|
||||
|
||||
extern const device_type TMS5220;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user