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Diffstat (limited to 'src/devices/bus/amiga/keyboard/a2000.cpp')
-rw-r--r--src/devices/bus/amiga/keyboard/a2000.cpp371
1 files changed, 206 insertions, 165 deletions
diff --git a/src/devices/bus/amiga/keyboard/a2000.cpp b/src/devices/bus/amiga/keyboard/a2000.cpp
index eb0ab7c5058..59aac50b652 100644
--- a/src/devices/bus/amiga/keyboard/a2000.cpp
+++ b/src/devices/bus/amiga/keyboard/a2000.cpp
@@ -70,21 +70,147 @@
#define LOGSCAN(...) LOGMASKED(LOG_SCAN, __VA_ARGS__)
+namespace {
+
//**************************************************************************
-// GLOBAL VARIABLES
+// ROM DEFINITIONS
//**************************************************************************
-DEFINE_DEVICE_TYPE(A2000_KBD_G80_US, bus::amiga::keyboard::a2000_kbd_g80_us_device, "a2000kbd_g80_us", "Amiga 2000 Keyboard (Cherry - U.S./Canada)")
-DEFINE_DEVICE_TYPE(A2000_KBD_G80_DE, bus::amiga::keyboard::a2000_kbd_g80_de_device, "a2000kbd_g80_de", "Amiga 2000 Keyboard (Cherry - Germany/Austria)")
-DEFINE_DEVICE_TYPE(A2000_KBD_G80_SE, bus::amiga::keyboard::a2000_kbd_g80_se_device, "a2000kbd_g80_se", "Amiga 2000 Keyboard (Cherry - Sweden/Finland)")
-DEFINE_DEVICE_TYPE(A2000_KBD_G80_DK, bus::amiga::keyboard::a2000_kbd_g80_dk_device, "a2000kbd_g80_dk", "Amiga 2000 Keyboard (Cherry - Denmark)")
-DEFINE_DEVICE_TYPE(A2000_KBD_G80_GB, bus::amiga::keyboard::a2000_kbd_g80_gb_device, "a2000kbd_g80_gb", "Amiga 2000 Keyboard (Cherry - UK)")
+ROM_START(a2000kbd)
+ ROM_REGION(0x0800, "mcu", 0)
+ ROM_LOAD("467.u4", 0x0000, 0x0800, CRC(fb92a773) SHA1(e787dc05de227f30a47ac5b9ee7a355c2e9e693b))
+ROM_END
+//**************************************************************************
+// KEYBOARD BASE CLASSES
+//**************************************************************************
-namespace bus::amiga::keyboard {
+class a2000_kbd_g80_device : public device_t, public device_amiga_keyboard_interface
+{
+public:
+ // from host
+ virtual DECLARE_WRITE_LINE_MEMBER(kdat_w) override
+ {
+ if (bool(state) != m_host_kdat)
+ {
+ LOGCOMM("host DATA %u -> %u\n", m_host_kdat ? 1 : 0, state ? 1 : 0);
+ m_host_kdat = bool(state);
+ if (m_mcu_kdat)
+ m_mcu->set_input_line(MCS48_INPUT_IRQ, state ? CLEAR_LINE : ASSERT_LINE);
+ }
+ }
-namespace {
+protected:
+ // construction/destruction
+ a2000_kbd_g80_device(machine_config const &mconfig, device_type type, char const *tag, device_t *owner, uint32_t clock)
+ : device_t(mconfig, type, tag, owner, clock)
+ , device_amiga_keyboard_interface(mconfig, *this)
+ , m_rows(*this, "ROW%u", 0U)
+ , m_mcu(*this, "u1")
+ , m_led_kbd_caps(*this, "led_kbd_caps")
+ {
+ }
+
+ // MCU I/O
+ u8 mcu_bus_r(offs_t offset)
+ {
+ // when jumpered for external ROM, offset latched by U2 is 0x60 + (row << 1)
+ uint8_t result(0U);
+ for (unsigned i = 0U; m_rows.size() > i; ++i)
+ {
+ if (BIT(m_row_drive, i))
+ result |= uint8_t(m_rows[i]->read());
+ }
+ LOGSCAN("read bus: offset = %02X, row drive = %04X\n, result = %02X", offset, m_row_drive, result);
+ return result;
+ }
+
+ void mcu_p1_w(u8 data)
+ {
+ m_row_drive = (m_row_drive & 0x1f00U) | uint16_t(data);
+ }
+
+ void mcu_p2_w(u8 data)
+ {
+ m_row_drive = (m_row_drive & 0x00ffU) | (uint16_t(data & 0x1fU) << 8);
+
+ m_led_kbd_caps = BIT(~data, 5);
+
+ if (bool(BIT(data, 6) != m_mcu_kdat))
+ {
+ m_mcu_kdat = BIT(data, 6);
+ LOGCOMM("keyboard DATA %u -> %u\n", m_mcu_kdat ? 0U : 1U, m_mcu_kdat ? 1U : 0U);
+ m_host->kdat_w(m_mcu_kdat ? 1 : 0);
+ if (m_host_kdat)
+ m_mcu->set_input_line(MCS48_INPUT_IRQ, m_mcu_kdat ? CLEAR_LINE : ASSERT_LINE);
+ }
+
+ if (bool(BIT(data, 7) != m_mcu_kclk))
+ {
+ m_mcu_kclk = BIT(data, 7);
+ LOGCOMM("keyboard CLOCK %u -> %u\n", m_mcu_kclk ? 0U : 1U, m_mcu_kclk ? 1U : 0U);
+ m_host->kclk_w(m_mcu_kclk ? 1 : 0);
+ }
+ }
+
+ virtual const tiny_rom_entry *device_rom_region() const override
+ {
+ return ROM_NAME(a2000kbd);
+ }
+
+ virtual void device_add_mconfig(machine_config &config) override
+ {
+ auto &mcu(I8039(config, "u1", 6_MHz_XTAL));
+ mcu.set_addrmap(AS_PROGRAM, &a2000_kbd_g80_device::program_map);
+ mcu.set_addrmap(AS_IO, &a2000_kbd_g80_device::ext_map);
+ mcu.p1_out_cb().set(FUNC(a2000_kbd_g80_device::mcu_p1_w));
+ mcu.p2_out_cb().set(FUNC(a2000_kbd_g80_device::mcu_p2_w));
+ mcu.bus_in_cb().set(FUNC(a2000_kbd_g80_device::mcu_bus_r));
+ mcu.t0_in_cb().set_constant(1);
+ mcu.t1_in_cb().set([this] () { return m_mcu_kclk ? 1 : 0; });
+ }
+
+ virtual void device_start() override
+ {
+ m_led_kbd_caps.resolve();
+
+ save_item(NAME(m_row_drive));
+ save_item(NAME(m_host_kdat));
+ save_item(NAME(m_mcu_kdat));
+ save_item(NAME(m_mcu_kclk));
+
+ m_row_drive = 0U;
+ m_host_kdat = true;
+ m_mcu_kdat = true;
+ m_mcu_kclk = true;
+ }
+
+ void program_map(address_map &map)
+ {
+ map.global_mask(0x07ff);
+ map(0x0000, 0x07ff).rom().region("mcu", 0);
+ }
+
+ void ext_map(address_map &map)
+ {
+ map.global_mask(0x00ff);
+ map(0x0000, 0x00ff).r(FUNC(a2000_kbd_g80_device::mcu_bus_r));
+ }
+
+private:
+ required_ioport_array<13> m_rows;
+ required_device<cpu_device> m_mcu;
+ output_finder<> m_led_kbd_caps;
+
+ uint16_t m_row_drive = 0U;
+ bool m_host_kdat = true, m_mcu_kdat = true, m_mcu_kclk = true;
+};
+
+
+//**************************************************************************
+// COMMON PORT DEFINITIONS
+//**************************************************************************
INPUT_PORTS_START(a2000_common_keyboard)
PORT_START("ROW0")
@@ -169,6 +295,11 @@ INPUT_PORTS_START(a2000_common_keyboard)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
INPUT_PORTS_END
+
+//**************************************************************************
+// SPECIFIC KEYBOARD PORT DEFINITIONS
+//**************************************************************************
+
INPUT_PORTS_START(a2000_us_keyboard)
PORT_INCLUDE(a2000_common_keyboard)
@@ -476,197 +607,107 @@ INPUT_PORTS_START(a2000_gb_keyboard)
INPUT_PORTS_END
-ROM_START(a2000kbd)
- ROM_REGION(0x0800, "mcu", 0)
- ROM_LOAD("467.u4", 0x0000, 0x0800, CRC(fb92a773) SHA1(e787dc05de227f30a47ac5b9ee7a355c2e9e693b))
-ROM_END
-
-} // anonymous namespace
-
-
-
//**************************************************************************
-// LIVE DEVICE
+// SPECIFIC KEYBOARD CLASSES
//**************************************************************************
-// ======================> a2000_kbd_g80_device
-
-a2000_kbd_g80_device::a2000_kbd_g80_device(machine_config const &mconfig, device_type type, char const *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, type, tag, owner, clock)
- , device_amiga_keyboard_interface(mconfig, *this)
- , m_rows(*this, "ROW%u", 0U)
- , m_mcu(*this, "u1")
- , m_led_kbd_caps(*this, "led_kbd_caps")
- , m_row_drive(0U)
- , m_host_kdat(true)
- , m_mcu_kdat(true)
- , m_mcu_kclk(true)
-{
-}
-
-WRITE_LINE_MEMBER(a2000_kbd_g80_device::kdat_w)
+class a2000_kbd_g80_us_device : public a2000_kbd_g80_device
{
- if (bool(state) != m_host_kdat)
+public:
+ a2000_kbd_g80_us_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock)
+ : a2000_kbd_g80_device(mconfig, A2000_KBD_G80_US, tag, owner, clock)
{
- LOGCOMM("host DATA %u -> %u\n", m_host_kdat ? 1 : 0, state ? 1 : 0);
- m_host_kdat = bool(state);
- if (m_mcu_kdat)
- m_mcu->set_input_line(MCS48_INPUT_IRQ, state ? CLEAR_LINE : ASSERT_LINE);
}
-}
-u8 a2000_kbd_g80_device::mcu_bus_r(offs_t offset)
-{
- // when jumpered for external ROM, offset latched by U2 is 0x60 + (row << 1)
- uint8_t result(0U);
- for (unsigned i = 0U; m_rows.size() > i; ++i)
+protected:
+ virtual ioport_constructor device_input_ports() const override
{
- if (BIT(m_row_drive, i))
- result |= uint8_t(m_rows[i]->read());
+ return INPUT_PORTS_NAME(a2000_us_keyboard);
}
- LOGSCAN("read bus: offset = %02X, row drive = %04X\n, result = %02X", offset, m_row_drive, result);
- return result;
-}
+};
-void a2000_kbd_g80_device::mcu_p1_w(u8 data)
-{
- m_row_drive = (m_row_drive & 0x1f00U) | uint16_t(data);
-}
-void a2000_kbd_g80_device::mcu_p2_w(u8 data)
+class a2000_kbd_g80_de_device : public a2000_kbd_g80_device
{
- m_row_drive = (m_row_drive & 0x00ffU) | (uint16_t(data & 0x1fU) << 8);
-
- m_led_kbd_caps = BIT(~data, 5);
-
- if (bool(BIT(data, 6) != m_mcu_kdat))
+public:
+ a2000_kbd_g80_de_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock)
+ : a2000_kbd_g80_device(mconfig, A2000_KBD_G80_DE, tag, owner, clock)
{
- m_mcu_kdat = BIT(data, 6);
- LOGCOMM("keyboard DATA %u -> %u\n", m_mcu_kdat ? 0U : 1U, m_mcu_kdat ? 1U : 0U);
- m_host->kdat_w(m_mcu_kdat ? 1 : 0);
- if (m_host_kdat)
- m_mcu->set_input_line(MCS48_INPUT_IRQ, m_mcu_kdat ? CLEAR_LINE : ASSERT_LINE);
}
- if (bool(BIT(data, 7) != m_mcu_kclk))
+ static auto parent_rom_device_type() { return &A2000_KBD_G80_US; }
+
+protected:
+ virtual ioport_constructor device_input_ports() const override
{
- m_mcu_kclk = BIT(data, 7);
- LOGCOMM("keyboard CLOCK %u -> %u\n", m_mcu_kclk ? 0U : 1U, m_mcu_kclk ? 1U : 0U);
- m_host->kclk_w(m_mcu_kclk ? 1 : 0);
+ return INPUT_PORTS_NAME(a2000_de_keyboard);
}
-}
-
-tiny_rom_entry const *a2000_kbd_g80_device::device_rom_region() const
-{
- return ROM_NAME(a2000kbd);
-}
-
-void a2000_kbd_g80_device::device_add_mconfig(machine_config &config)
-{
- auto &mcu(I8039(config, "u1", 6_MHz_XTAL));
- mcu.set_addrmap(AS_PROGRAM, &a2000_kbd_g80_device::program_map);
- mcu.set_addrmap(AS_IO, &a2000_kbd_g80_device::ext_map);
- mcu.p1_out_cb().set(FUNC(a2000_kbd_g80_device::mcu_p1_w));
- mcu.p2_out_cb().set(FUNC(a2000_kbd_g80_device::mcu_p2_w));
- mcu.bus_in_cb().set(FUNC(a2000_kbd_g80_device::mcu_bus_r));
- mcu.t0_in_cb().set_constant(1);
- mcu.t1_in_cb().set([this] () { return m_mcu_kclk ? 1 : 0; });
-}
-
-void a2000_kbd_g80_device::device_start()
-{
- m_led_kbd_caps.resolve();
-
- save_item(NAME(m_row_drive));
- save_item(NAME(m_host_kdat));
- save_item(NAME(m_mcu_kdat));
- save_item(NAME(m_mcu_kclk));
-
- m_row_drive = 0U;
- m_host_kdat = true;
- m_mcu_kdat = true;
- m_mcu_kclk = true;
-}
-
-void a2000_kbd_g80_device::device_reset()
-{
-}
-
-void a2000_kbd_g80_device::program_map(address_map &map)
-{
- map.global_mask(0x07ff);
- map(0x0000, 0x07ff).rom().region("mcu", 0);
-}
-
-void a2000_kbd_g80_device::ext_map(address_map &map)
-{
- map.global_mask(0x00ff);
- map(0x0000, 0x00ff).r(FUNC(a2000_kbd_g80_device::mcu_bus_r));
-}
-
+};
-// ======================> a2000_kbd_g80_us_device
-a2000_kbd_g80_us_device::a2000_kbd_g80_us_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock)
- : a2000_kbd_g80_device(mconfig, A2000_KBD_G80_US, tag, owner, clock)
+class a2000_kbd_g80_se_device : public a2000_kbd_g80_device
{
-}
-
-ioport_constructor a2000_kbd_g80_us_device::device_input_ports() const
-{
- return INPUT_PORTS_NAME(a2000_us_keyboard);
-}
+public:
+ a2000_kbd_g80_se_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock)
+ : a2000_kbd_g80_device(mconfig, A2000_KBD_G80_SE, tag, owner, clock)
+ {
+ }
+ static auto parent_rom_device_type() { return &A2000_KBD_G80_US; }
-// ======================> a2000_kbd_g80_de_device
+protected:
+ virtual ioport_constructor device_input_ports() const override
+ {
+ return INPUT_PORTS_NAME(a2000_se_keyboard);
+ }
+};
-a2000_kbd_g80_de_device::a2000_kbd_g80_de_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock)
- : a2000_kbd_g80_device(mconfig, A2000_KBD_G80_DE, tag, owner, clock)
-{
-}
-ioport_constructor a2000_kbd_g80_de_device::device_input_ports() const
+class a2000_kbd_g80_dk_device : public a2000_kbd_g80_device
{
- return INPUT_PORTS_NAME(a2000_de_keyboard);
-}
+public:
+ a2000_kbd_g80_dk_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock)
+ : a2000_kbd_g80_device(mconfig, A2000_KBD_G80_DK, tag, owner, clock)
+ {
+ }
+ static auto parent_rom_device_type() { return &A2000_KBD_G80_US; }
-// ======================> a2000_kbd_g80_se_device
+protected:
+ virtual ioport_constructor device_input_ports() const override
+ {
+ return INPUT_PORTS_NAME(a2000_dk_keyboard);
+ }
+};
-a2000_kbd_g80_se_device::a2000_kbd_g80_se_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock)
- : a2000_kbd_g80_device(mconfig, A2000_KBD_G80_SE, tag, owner, clock)
-{
-}
-ioport_constructor a2000_kbd_g80_se_device::device_input_ports() const
+class a2000_kbd_g80_gb_device : public a2000_kbd_g80_device
{
- return INPUT_PORTS_NAME(a2000_se_keyboard);
-}
-
-
-// ======================> a2000_kbd_g80_dk_device
+public:
+ a2000_kbd_g80_gb_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock)
+ : a2000_kbd_g80_device(mconfig, A2000_KBD_G80_GB, tag, owner, clock)
+ {
+ }
-a2000_kbd_g80_dk_device::a2000_kbd_g80_dk_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock)
- : a2000_kbd_g80_device(mconfig, A2000_KBD_G80_DK, tag, owner, clock)
-{
-}
+ static auto parent_rom_device_type() { return &A2000_KBD_G80_US; }
-ioport_constructor a2000_kbd_g80_dk_device::device_input_ports() const
-{
- return INPUT_PORTS_NAME(a2000_dk_keyboard);
-}
+protected:
+ virtual ioport_constructor device_input_ports() const override
+ {
+ return INPUT_PORTS_NAME(a2000_gb_keyboard);
+ }
+};
+} // anonymous namespace
-// ======================> a2000_kbd_g80_gb_device
-a2000_kbd_g80_gb_device::a2000_kbd_g80_gb_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock)
- : a2000_kbd_g80_device(mconfig, A2000_KBD_G80_GB, tag, owner, clock)
-{
-}
-ioport_constructor a2000_kbd_g80_gb_device::device_input_ports() const
-{
- return INPUT_PORTS_NAME(a2000_gb_keyboard);
-}
+//**************************************************************************
+// GLOBAL VARIABLES
+//**************************************************************************
-} // namespace bus::amiga::keyboard
+DEFINE_DEVICE_TYPE_PRIVATE(A2000_KBD_G80_US, device_amiga_keyboard_interface, a2000_kbd_g80_us_device, "a2000kbd_g80_us", "Amiga 2000 Keyboard (Cherry - U.S./Canada)")
+DEFINE_DEVICE_TYPE_PRIVATE(A2000_KBD_G80_DE, device_amiga_keyboard_interface, a2000_kbd_g80_de_device, "a2000kbd_g80_de", "Amiga 2000 Keyboard (Cherry - Germany/Austria)")
+DEFINE_DEVICE_TYPE_PRIVATE(A2000_KBD_G80_SE, device_amiga_keyboard_interface, a2000_kbd_g80_se_device, "a2000kbd_g80_se", "Amiga 2000 Keyboard (Cherry - Sweden/Finland)")
+DEFINE_DEVICE_TYPE_PRIVATE(A2000_KBD_G80_DK, device_amiga_keyboard_interface, a2000_kbd_g80_dk_device, "a2000kbd_g80_dk", "Amiga 2000 Keyboard (Cherry - Denmark)")
+DEFINE_DEVICE_TYPE_PRIVATE(A2000_KBD_G80_GB, device_amiga_keyboard_interface, a2000_kbd_g80_gb_device, "a2000kbd_g80_gb", "Amiga 2000 Keyboard (Cherry - UK)")