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Drafting serial port implementation for TMP94C241 that is used for control panel and MIDI on Technics KN5000. #14420

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Drafting serial port implementation for TMP94C241 that is used for control panel and MIDI on Technics KN5000. #14420

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2 changes: 2 additions & 0 deletions scripts/src/cpu.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -3012,6 +3012,8 @@ if CPUS["TLCS900"] then
MAME_DIR .. "src/devices/cpu/tlcs900/900htbl.hxx",
MAME_DIR .. "src/devices/cpu/tlcs900/tmp94c241.cpp",
MAME_DIR .. "src/devices/cpu/tlcs900/tmp94c241.h",
MAME_DIR .. "src/devices/cpu/tlcs900/tmp94c241_serial.cpp",
MAME_DIR .. "src/devices/cpu/tlcs900/tmp94c241_serial.h",
MAME_DIR .. "src/devices/cpu/tlcs900/tmp95c061.cpp",
MAME_DIR .. "src/devices/cpu/tlcs900/tmp95c061.h",
MAME_DIR .. "src/devices/cpu/tlcs900/tmp95c063.cpp",
Expand Down
132 changes: 33 additions & 99 deletions src/devices/cpu/tlcs900/tmp94c241.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -17,28 +17,6 @@
// device type definition
DEFINE_DEVICE_TYPE(TMP94C241, tmp94c241_device, "tmp94c241", "Toshiba TMP94C241")

enum
{
INTE45,
INTE67,
INTE89,
INTEAB,
INTET01,
INTET23,
INTET45,
INTET67,
INTET89,
INTETAB,
INTES0,
INTES1,
INTETC01,
INTETC23,
INTETC45,
INTETC67,
INTE0AD,
INTNMWDT
};

static const struct {
uint8_t reg;
uint8_t iff;
Expand Down Expand Up @@ -122,9 +100,6 @@ tmp94c241_device::tmp94c241_device(const machine_config &mconfig, const char *ta
m_t16_cap{ 0, 0, 0, 0, 0, 0, 0, 0 },
m_timer_16{ 0, 0, 0, 0 },
m_watchdog_mode(0),
m_serial_control{ 0, 0 },
m_serial_mode{ 0, 0 },
m_baud_rate{ 0, 0 },
m_od_enable(0),
m_ad_mode1(0),
m_ad_mode2(0),
Expand All @@ -138,7 +113,8 @@ tmp94c241_device::tmp94c241_device(const machine_config &mconfig, const char *ta
m_mamr{ 0, 0, 0, 0, 0, 0 },
m_dram_refresh{ 0, 0 },
m_dram_access{ 0, 0 },
m_da_drive(0)
m_da_drive(0),
m_serial(*this, "serial%u", 0U)
{
}

Expand Down Expand Up @@ -194,9 +170,6 @@ void tmp94c241_device::device_start()
save_item(NAME(m_taffcr));
save_item(NAME(m_t16run));
save_item(NAME(m_watchdog_mode));
save_item(NAME(m_serial_control));
save_item(NAME(m_serial_mode));
save_item(NAME(m_baud_rate));
save_item(NAME(m_od_enable));
save_item(NAME(m_ad_mode1));
save_item(NAME(m_ad_mode2));
Expand Down Expand Up @@ -279,12 +252,6 @@ void tmp94c241_device::device_reset()
std::fill_n(&m_timer_8[0], 4, 0x00);
std::fill_n(&m_timer_16[0], 4, 0x00);
m_watchdog_mode = 0x80;
for (int i = 0; i < 2; i++)
{
m_serial_control[i] &= 0x80;
m_serial_mode[i] &= 0x80;
m_baud_rate[i] = 0x00;
}
m_od_enable = 0x00;
m_ad_mode1 = 0x00;
m_ad_mode2 = 0x00;
Expand All @@ -303,6 +270,10 @@ void tmp94c241_device::device_reset()
std::fill_n(&m_dram_refresh[0], 2, 0x00);
std::fill_n(&m_dram_access[0], 2, 0x80);
m_da_drive = 0x00;

m_int_reg[INTES0] |= 0x80;
m_int_reg[INTES1] |= 0x80;
m_check_irqs = 1;
}

uint8_t tmp94c241_device::inte_r(offs_t offset)
Expand Down Expand Up @@ -695,61 +666,6 @@ void tmp94c241_device::wdcr_w(uint8_t data)
{
}

template <uint8_t Channel>
uint8_t tmp94c241_device::scNbuf_r()
{
return 0;
}

template <uint8_t Channel>
void tmp94c241_device::scNbuf_w(uint8_t data)
{
// Fake finish sending data
m_int_reg[(Channel == 0) ? INTES0 : INTES1] |= 0x80;
m_check_irqs = 1;
logerror("sc%dbuf write: %02X\n", Channel, data);
//machine().debugger().debug_break();
}

template <uint8_t Channel>
uint8_t tmp94c241_device::scNcr_r()
{
uint8_t reg = m_serial_control[Channel];
if (!machine().side_effects_disabled())
m_serial_control[Channel] &= 0xe3;
return reg;
}

template <uint8_t Channel>
void tmp94c241_device::scNcr_w(uint8_t data)
{
m_serial_control[Channel] = data;
}

template <uint8_t Channel>
uint8_t tmp94c241_device::scNmod_r()
{
return m_serial_mode[Channel];
}

template <uint8_t Channel>
void tmp94c241_device::scNmod_w(uint8_t data)
{
m_serial_mode[Channel] = data;
}

template <uint8_t Channel>
uint8_t tmp94c241_device::brNcr_r()
{
return m_baud_rate[Channel];
}

template <uint8_t Channel>
void tmp94c241_device::brNcr_w(uint8_t data)
{
m_baud_rate[Channel] = data;
}

uint8_t tmp94c241_device::ode_r()
{
return m_od_enable;
Expand Down Expand Up @@ -842,9 +758,20 @@ void tmp94c241_device::port_cr_w(uint8_t data)
template <uint8_t P>
void tmp94c241_device::port_fc_w(uint8_t data)
{
if (P == PORT_F)
{
logerror("PORT FUNCTION F: %02X\n", data);
}
m_port_function[P] = data;
}

void tmp94c241_device::device_add_mconfig(machine_config &mconfig)
{
TMP94C241_SERIAL(mconfig, m_serial[0], 0, DERIVED_CLOCK(1, 1));
TMP94C241_SERIAL(mconfig, m_serial[1], 1, DERIVED_CLOCK(1, 1));
}


//**************************************************************************
// INTERNAL REGISTERS
//**************************************************************************
Expand Down Expand Up @@ -939,14 +866,14 @@ void tmp94c241_device::internal_mem(address_map &map)
map(0x0000c6, 0x0000c7).r(FUNC(tmp94c241_device::cap_r<CAPB>));
map(0x0000c8, 0x0000c8).rw(FUNC(tmp94c241_device::tamod_r), FUNC(tmp94c241_device::tamod_w));
map(0x0000c9, 0x0000c9).rw(FUNC(tmp94c241_device::taffcr_r), FUNC(tmp94c241_device::taffcr_w));
map(0x0000d0, 0x0000d0).rw(FUNC(tmp94c241_device::scNbuf_r<0>), FUNC(tmp94c241_device::scNbuf_w<0>));
map(0x0000d1, 0x0000d1).rw(FUNC(tmp94c241_device::scNcr_r<0>), FUNC(tmp94c241_device::scNcr_w<0>));
map(0x0000d2, 0x0000d2).rw(FUNC(tmp94c241_device::scNmod_r<0>), FUNC(tmp94c241_device::scNmod_w<0>));
map(0x0000d3, 0x0000d3).rw(FUNC(tmp94c241_device::brNcr_r<0>), FUNC(tmp94c241_device::brNcr_w<0>));
map(0x0000d4, 0x0000d4).rw(FUNC(tmp94c241_device::scNbuf_r<1>), FUNC(tmp94c241_device::scNbuf_w<1>));
map(0x0000d5, 0x0000d5).rw(FUNC(tmp94c241_device::scNcr_r<1>), FUNC(tmp94c241_device::scNcr_w<1>));
map(0x0000d6, 0x0000d6).rw(FUNC(tmp94c241_device::scNmod_r<1>), FUNC(tmp94c241_device::scNmod_w<1>));
map(0x0000d7, 0x0000d7).rw(FUNC(tmp94c241_device::brNcr_r<1>), FUNC(tmp94c241_device::brNcr_w<1>));
map(0x0000d0, 0x0000d0).rw(m_serial[0], FUNC(tmp94c241_serial_device::scNbuf_r), FUNC(tmp94c241_serial_device::scNbuf_w));
map(0x0000d1, 0x0000d1).rw(m_serial[0], FUNC(tmp94c241_serial_device::scNcr_r), FUNC(tmp94c241_serial_device::scNcr_w));
map(0x0000d2, 0x0000d2).rw(m_serial[0], FUNC(tmp94c241_serial_device::scNmod_r), FUNC(tmp94c241_serial_device::scNmod_w));
map(0x0000d3, 0x0000d3).rw(m_serial[0], FUNC(tmp94c241_serial_device::brNcr_r), FUNC(tmp94c241_serial_device::brNcr_w));
map(0x0000d4, 0x0000d4).rw(m_serial[1], FUNC(tmp94c241_serial_device::scNbuf_r), FUNC(tmp94c241_serial_device::scNbuf_w));
map(0x0000d5, 0x0000d5).rw(m_serial[1], FUNC(tmp94c241_serial_device::scNcr_r), FUNC(tmp94c241_serial_device::scNcr_w));
map(0x0000d6, 0x0000d6).rw(m_serial[1], FUNC(tmp94c241_serial_device::scNmod_r), FUNC(tmp94c241_serial_device::scNmod_w));
map(0x0000d7, 0x0000d7).rw(m_serial[1], FUNC(tmp94c241_serial_device::brNcr_r), FUNC(tmp94c241_serial_device::brNcr_w));
map(0x0000e0, 0x0000f0).rw(FUNC(tmp94c241_device::inte_r), FUNC(tmp94c241_device::inte_w));
map(0x0000f6, 0x0000f6).w(FUNC(tmp94c241_device::iimc_w));
map(0x0000f7, 0x0000f7).rw(FUNC(tmp94c241_device::intnmwdt_r), FUNC(tmp94c241_device::intnmwdt_w));
Expand Down Expand Up @@ -1123,10 +1050,17 @@ void tmp94c241_device::tlcs900_handle_timers()
uint8_t operating_mode,
bool invert)
{
bool match;
for ( ; m_timer_change[timer_index] > 0; m_timer_change[timer_index]--)
{
m_timer_8[timer_index]++;
if (m_timer_8[timer_index] == m_treg_8[timer_reg])
match = m_timer_8[timer_index] == m_treg_8[timer_reg];
if (timer_index == 1)
{
m_serial[0]->TO2_trigger(match);
m_serial[1]->TO2_trigger(match);
}
if (match)
{
if (BIT(timer_index, 0) == 0)
{
Expand Down
33 changes: 29 additions & 4 deletions src/devices/cpu/tlcs900/tmp94c241.h
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,29 @@
#pragma once

#include "tlcs900.h"
#include "tmp94c241_serial.h"

enum
{
INTE45,
INTE67,
INTE89,
INTEAB,
INTET01,
INTET23,
INTET45,
INTET67,
INTET89,
INTETAB,
INTES0,
INTES1,
INTETC01,
INTETC23,
INTETC45,
INTETC67,
INTE0AD,
INTNMWDT
};

//**************************************************************************
// TYPE DEFINITIONS
Expand All @@ -22,6 +44,8 @@

class tmp94c241_device : public tlcs900h_device
{
friend class tmp94c241_serial_device;

static constexpr uint8_t PORT_0 = 0; // 8 bit I/O. Shared with d0-d7
static constexpr uint8_t PORT_1 = 1; // 8 bit I/O. Shared with d8-d15
static constexpr uint8_t PORT_2 = 2; // 8 bit I/O. Shared with d16-d23
Expand Down Expand Up @@ -111,6 +135,7 @@ class tmp94c241_device : public tlcs900h_device
virtual void device_resolve_objects() override ATTR_COLD;
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;

// device_execute_interface overrides
virtual void execute_set_input(int inputnum, int state) override;
Expand Down Expand Up @@ -243,10 +268,7 @@ class tmp94c241_device : public tlcs900h_device
// Watchdog Timer
uint8_t m_watchdog_mode;

// Serial Channel
uint8_t m_serial_control[2];
uint8_t m_serial_mode[2];
uint8_t m_baud_rate[2];
// Serial Channels
uint8_t m_od_enable;

// A/D Converter Control
Expand All @@ -271,6 +293,9 @@ class tmp94c241_device : public tlcs900h_device

// D/A Converter Control
uint8_t m_da_drive;

public:
required_device_array<tmp94c241_serial_device, 2> m_serial;
};

// device type declaration
Expand Down
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