summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/cxg_ch2001.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/cxg_ch2001.cpp')
-rw-r--r--src/mame/drivers/cxg_ch2001.cpp285
1 files changed, 6 insertions, 279 deletions
diff --git a/src/mame/drivers/cxg_ch2001.cpp b/src/mame/drivers/cxg_ch2001.cpp
index fd08ceddc03..60a94e6656d 100644
--- a/src/mame/drivers/cxg_ch2001.cpp
+++ b/src/mame/drivers/cxg_ch2001.cpp
@@ -3,19 +3,6 @@
// thanks-to:Berger
/******************************************************************************
- CXG* generic Z80 based chess computer driver
- *later known as CXG Newcrest Technology Ltd.
-
- 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:
- - nothing
-
-******************************************************************************
-
Chess 2001:
- Zilog Z8400APS @ 4 MHz (8MHz XTAL)
- 2KB RAM HM6116, 16KB ROM D27128D
@@ -24,9 +11,9 @@ Chess 2001:
******************************************************************************/
#include "emu.h"
+#include "includes/cxgbase.h"
+
#include "cpu/z80/z80.h"
-#include "machine/timer.h"
-#include "sound/dac.h"
#include "sound/volt_reg.h"
#include "speaker.h"
@@ -34,98 +21,7 @@ Chess 2001:
#include "cxg_ch2001.lh" // clickable
-class cxgbase_state : public driver_device
-{
-public:
- cxgbase_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_dac(*this, "dac"),
- 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_device<dac_bit_interface> m_dac;
- 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 cxgbase_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 cxgbase_state::machine_reset()
-{
-}
-
+namespace {
class ch2001_state : public cxgbase_state
{
@@ -152,95 +48,9 @@ private:
};
-/***************************************************************************
-
- 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 cxgbase_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(cxgbase_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 cxgbase_state::set_display_size(int maxx, int maxy)
-{
- m_display_maxx = maxx;
- m_display_maxy = maxy;
-}
-
-void cxgbase_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 cxgbase_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;
-}
-
-
-
-// Devices, I/O
/******************************************************************************
- Chess 2001
+ Devices, I/O
******************************************************************************/
// TTL
@@ -277,8 +87,6 @@ READ8_MEMBER(ch2001_state::input_r)
Address Maps
******************************************************************************/
-// Chess 2001
-
void ch2001_state::main_map(address_map &map)
{
map(0x0000, 0x3fff).rom();
@@ -293,89 +101,6 @@ void ch2001_state::main_map(address_map &map)
Input Ports
******************************************************************************/
-INPUT_PORTS_START( cxg_cb_magnets )
- PORT_START("IN.0")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
-
- PORT_START("IN.1")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
-
- PORT_START("IN.2")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
-
- PORT_START("IN.3")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
-
- PORT_START("IN.4")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
-
- PORT_START("IN.5")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
-
- PORT_START("IN.6")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
-
- PORT_START("IN.7")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
- PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_TOGGLE PORT_NAME("Board Sensor")
-INPUT_PORTS_END
-
-
static INPUT_PORTS_START( ch2001 )
PORT_INCLUDE( cxg_cb_magnets )
@@ -441,6 +166,8 @@ ROM_START( ch2001 )
ROM_LOAD("ch2001.bin", 0x0000, 0x4000, CRC(b3485c73) SHA1(f405c6f67fe70edf45dcc383a4049ee6bad387a9) ) // D27128D, no label
ROM_END
+} // anonymous namespace
+
/******************************************************************************