diff options
Diffstat (limited to 'src/mame/drivers/cking_master.cpp')
-rw-r--r-- | src/mame/drivers/cking_master.cpp | 292 |
1 files changed, 13 insertions, 279 deletions
diff --git a/src/mame/drivers/cking_master.cpp b/src/mame/drivers/cking_master.cpp index e0b16f034f0..4210f447a74 100644 --- a/src/mame/drivers/cking_master.cpp +++ b/src/mame/drivers/cking_master.cpp @@ -3,31 +3,23 @@ // thanks-to:Berger /****************************************************************************** - Chess King generic Z80 based chess computer driver - - NOTE: MAME doesn't include a generalized implementation for boardpieces yet, - greatly affecting user playability of emulated electronic board games. - As workaround for the chess games, use an external chess GUI on the side, - such as Arena(in editmode). - - TODO: - - ckmaster 1 WAIT CLK per M1, workaround with z80_set_cycle_tables is possible - (wait state is similar to MSX) but I can't be bothered, better solution - is to add M1 pin to the z80 core. Until then, it'll run ~20% too fast. - -****************************************************************************** - -Master: +Master: (yes, it's plainly named "Master") - Z80 CPU(NEC D780C-1) @ 4MHz(8MHz XTAL), IRQ from 555 timer - 8KB ROM(NEC D2764C-3), 2KB RAM(NEC D4016C), ROM is scrambled for easy PCB placement - simple I/O via 2*74373 and a 74145 - 8*8 chessboard buttons, 32+1 border leds, piezo +TODO: +- 1 WAIT CLK per M1, workaround with z80_set_cycle_tables is possible + (wait state is similar to MSX) but I can't be bothered, better solution + is to add M1 pin to the z80 core. Until then, it'll run ~20% too fast. + ******************************************************************************/ #include "emu.h" +#include "includes/ckingbase.h" + #include "cpu/z80/z80.h" -#include "machine/timer.h" #include "machine/bankdev.h" #include "sound/dac.h" #include "sound/volt_reg.h" @@ -37,181 +29,6 @@ Master: #include "ck_master.lh" // clickable -class ckingbase_state : public driver_device -{ -public: - ckingbase_state(const machine_config &mconfig, device_type type, const char *tag) : - driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_irq_on(*this, "irq_on"), - m_inp_matrix(*this, "IN.%u", 0), - m_out_x(*this, "%u.%u", 0U, 0U), - m_out_a(*this, "%u.a", 0U), - m_out_digit(*this, "digit%u", 0U), - m_display_wait(33), - m_display_maxy(1), - m_display_maxx(0) - { } - - // devices/pointers - required_device<cpu_device> m_maincpu; - optional_device<timer_device> m_irq_on; - optional_ioport_array<10> m_inp_matrix; // max 10 - output_finder<0x20, 0x20> m_out_x; - output_finder<0x20> m_out_a; - output_finder<0x20> m_out_digit; - - template<int L> TIMER_DEVICE_CALLBACK_MEMBER(irq_on) { m_maincpu->set_input_line(L, ASSERT_LINE); } - template<int L> TIMER_DEVICE_CALLBACK_MEMBER(irq_off) { m_maincpu->set_input_line(L, CLEAR_LINE); } - - // misc common - u16 m_inp_mux; // multiplexed keypad mask - u16 m_led_select; - u16 m_led_data; - - u16 read_inputs(int columns); - - // display common - int m_display_wait; // led/lamp off-delay in milliseconds (default 33ms) - int m_display_maxy; // display matrix number of rows - int m_display_maxx; // display matrix number of columns (max 31 for now) - - u32 m_display_state[0x20]; // display matrix rows data (last bit is used for always-on) - u16 m_display_segmask[0x20]; // if not 0, display matrix row is a digit, mask indicates connected segments - u8 m_display_decay[0x20][0x20]; // (internal use) - - TIMER_DEVICE_CALLBACK_MEMBER(display_decay_tick); - void display_update(); - void set_display_size(int maxx, int maxy); - void display_matrix(int maxx, int maxy, u32 setx, u32 sety, bool update = true); - -protected: - virtual void machine_start() override; - virtual void machine_reset() override; -}; - - -// machine start/reset - -void ckingbase_state::machine_start() -{ - // resolve handlers - m_out_x.resolve(); - m_out_a.resolve(); - m_out_digit.resolve(); - - // zerofill - memset(m_display_state, 0, sizeof(m_display_state)); - memset(m_display_decay, 0, sizeof(m_display_decay)); - memset(m_display_segmask, 0, sizeof(m_display_segmask)); - - m_inp_mux = 0; - m_led_select = 0; - m_led_data = 0; - - // register for savestates - save_item(NAME(m_display_maxy)); - save_item(NAME(m_display_maxx)); - save_item(NAME(m_display_wait)); - - save_item(NAME(m_display_state)); - save_item(NAME(m_display_decay)); - save_item(NAME(m_display_segmask)); - - save_item(NAME(m_inp_mux)); - save_item(NAME(m_led_select)); - save_item(NAME(m_led_data)); -} - -void ckingbase_state::machine_reset() -{ -} - - - -/*************************************************************************** - - Helper Functions - -***************************************************************************/ - -// The device may strobe the outputs very fast, it is unnoticeable to the user. -// To prevent flickering here, we need to simulate a decay. - -void ckingbase_state::display_update() -{ - for (int y = 0; y < m_display_maxy; y++) - { - u32 active_state = 0; - - for (int x = 0; x <= m_display_maxx; x++) - { - // turn on powered segments - if (m_display_state[y] >> x & 1) - m_display_decay[y][x] = m_display_wait; - - // determine active state - u32 ds = (m_display_decay[y][x] != 0) ? 1 : 0; - active_state |= (ds << x); - - // output to y.x, or y.a when always-on - if (x != m_display_maxx) - m_out_x[y][x] = ds; - else - m_out_a[y] = ds; - } - - // output to digity - if (m_display_segmask[y] != 0) - m_out_digit[y] = active_state & m_display_segmask[y]; - } -} - -TIMER_DEVICE_CALLBACK_MEMBER(ckingbase_state::display_decay_tick) -{ - // slowly turn off unpowered segments - for (int y = 0; y < m_display_maxy; y++) - for (int x = 0; x <= m_display_maxx; x++) - if (m_display_decay[y][x] != 0) - m_display_decay[y][x]--; - - display_update(); -} - -void ckingbase_state::set_display_size(int maxx, int maxy) -{ - m_display_maxx = maxx; - m_display_maxy = maxy; -} - -void ckingbase_state::display_matrix(int maxx, int maxy, u32 setx, u32 sety, bool update) -{ - set_display_size(maxx, maxy); - - // update current state - u32 mask = (1 << maxx) - 1; - for (int y = 0; y < maxy; y++) - m_display_state[y] = (sety >> y & 1) ? ((setx & mask) | (1 << maxx)) : 0; - - if (update) - display_update(); -} - - -// generic input handlers - -u16 ckingbase_state::read_inputs(int columns) -{ - u16 ret = 0; - - // read selected input rows - for (int i = 0; i < columns; i++) - if (m_inp_mux >> i & 1) - ret |= m_inp_matrix[i]->read(); - - return ret; -} - namespace { class master_state : public ckingbase_state @@ -242,10 +59,10 @@ private: void control_w(u8 data); }; -// Devices, I/O + /****************************************************************************** - Master + Devices, I/O ******************************************************************************/ // TTL/generic @@ -292,8 +109,6 @@ void master_state::init_master() Address Maps ******************************************************************************/ -// Master - void master_state::main_map(address_map &map) { map(0x0000, 0x1fff).mirror(0x6000).rom().region("maincpu", 0); // _A15 @@ -334,89 +149,6 @@ void master_state::main_trampoline(address_map &map) Input Ports ******************************************************************************/ -INPUT_PORTS_START( cking_cb_buttons ) - PORT_START("IN.0") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - - PORT_START("IN.1") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - - PORT_START("IN.2") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - - PORT_START("IN.3") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - - PORT_START("IN.4") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - - PORT_START("IN.5") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - - PORT_START("IN.6") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - - PORT_START("IN.7") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") -INPUT_PORTS_END - - static INPUT_PORTS_START( master ) PORT_INCLUDE( cking_cb_buttons ) @@ -484,9 +216,11 @@ ROM_END } // anonymous namespace + + /****************************************************************************** Drivers ******************************************************************************/ -/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ +/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ CONS( 1984, ckmaster, 0, 0, master, master, master_state, init_master, "Chess King", "Master (Chess King)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_CONTROLS ) |