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Diffstat (limited to 'src/mame/drivers/scisys_chesstrv.cpp')
-rw-r--r--src/mame/drivers/scisys_chesstrv.cpp75
1 files changed, 35 insertions, 40 deletions
diff --git a/src/mame/drivers/scisys_chesstrv.cpp b/src/mame/drivers/scisys_chesstrv.cpp
index ad2f415a699..bc34f9457c9 100644
--- a/src/mame/drivers/scisys_chesstrv.cpp
+++ b/src/mame/drivers/scisys_chesstrv.cpp
@@ -5,6 +5,7 @@
SciSys Chess Traveler
+Hardware notes:
- Fairchild 3870 MCU, label SL90387 (does not use the timer or irq at all)
- 256 bytes RAM(3539)
- 4-digit 7seg led panel
@@ -21,7 +22,8 @@ digit DP lights up).
#include "emu.h"
#include "cpu/f8/f8.h"
#include "machine/f3853.h"
-#include "machine/timer.h"
+#include "video/pwm.h"
+#include "machine/sensorboard.h"
// internal artwork
#include "scisys_chesstrv.lh" // clickable
@@ -35,9 +37,8 @@ public:
chesstrv_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
- m_keypad(*this, "LINE%u", 1U),
- m_delay_display(*this, "delay_display_%u", 0),
- m_out_digit(*this, "digit%u", 0U)
+ m_display(*this, "display"),
+ m_inputs(*this, "IN.%u", 0)
{ }
void chesstrv(machine_config &config);
@@ -48,15 +49,13 @@ protected:
private:
// devices/pointers
required_device<cpu_device> m_maincpu;
- required_ioport_array<4> m_keypad;
- required_device_array<timer_device, 4> m_delay_display;
- output_finder<4> m_out_digit;
+ required_device<pwm_display_device> m_display;
+ required_ioport_array<4> m_inputs;
void chesstrv_mem(address_map &map);
void chesstrv_io(address_map &map);
- TIMER_DEVICE_CALLBACK_MEMBER(delay_display);
-
+ void update_display();
DECLARE_WRITE8_MEMBER(matrix_w);
DECLARE_WRITE8_MEMBER(digit_w);
DECLARE_READ8_MEMBER(input_r);
@@ -69,23 +68,23 @@ private:
std::unique_ptr<u8[]> m_ram;
u8 m_ram_address;
- u8 m_matrix;
+ u8 m_inp_mux;
+ u8 m_7seg_data;
};
void chesstrv_state::machine_start()
{
- // resolve handlers
- m_out_digit.resolve();
-
// zerofill
m_ram = make_unique_clear<u8[]>(0x100);
m_ram_address = 0;
- m_matrix = 0;
+ m_inp_mux = 0;
+ m_7seg_data = 0;
// register for savestates
save_pointer(NAME(m_ram), 0x100);
save_item(NAME(m_ram_address));
- save_item(NAME(m_matrix));
+ save_item(NAME(m_inp_mux));
+ save_item(NAME(m_7seg_data));
}
@@ -96,44 +95,37 @@ void chesstrv_state::machine_start()
// F3870 ports
-TIMER_DEVICE_CALLBACK_MEMBER(chesstrv_state::delay_display)
+void chesstrv_state::update_display()
{
- // clear digits if inactive
- if (BIT(m_matrix, 3 - param))
- m_out_digit[param] = 0;
+ m_display->matrix(~m_inp_mux, m_7seg_data);
}
WRITE8_MEMBER(chesstrv_state::digit_w)
{
- // digit segments, update display here
- for (int i = 0; i < 4; i++)
- if (!BIT(m_matrix, 3 - i))
- m_out_digit[i] = bitswap<8>(data,0,1,2,3,4,5,6,7) & 0x7f;
+ // digit segments
+ m_7seg_data = bitswap<8>(data,0,1,2,3,4,5,6,7) & 0x7f;
+ update_display();
}
WRITE8_MEMBER(chesstrv_state::matrix_w)
{
// d0-d3: input/digit select (active low)
- // they're strobed, so on rising edge, delay them going off to prevent flicker or stuck display
- for (int i = 0; i < 4; i++)
- if (BIT(~m_matrix & data, 3 - i))
- m_delay_display[i]->adjust(attotime::from_msec(20), i);
-
- m_matrix = data;
+ m_inp_mux = data;
+ update_display();
}
READ8_MEMBER(chesstrv_state::input_r)
{
- u8 data = m_matrix;
+ u8 data = m_inp_mux;
// d0-d3: multiplexed inputs from d4-d7
for (int i = 0; i < 4; i++)
- if (BIT(m_matrix, i+4))
- data |= m_keypad[i]->read();
+ if (BIT(m_inp_mux, i+4))
+ data |= m_inputs[i]->read();
// d4-d7: multiplexed inputs from d0-d3
for (int i = 0; i < 4; i++)
- if (m_matrix & m_keypad[i]->read())
+ if (m_inp_mux & m_inputs[i]->read())
data |= 1 << (i+4);
return data;
@@ -165,25 +157,25 @@ void chesstrv_state::chesstrv_io(address_map &map)
******************************************************************************/
static INPUT_PORTS_START( chesstrv )
- PORT_START("LINE1")
+ PORT_START("IN.0")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_A) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("A 1 / Pawn")
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_B) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_NAME("B 2 / Knight")
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_C) PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_NAME("C 3 / Bishop")
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_D) PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_NAME("D 4 / Rook")
- PORT_START("LINE2")
+ PORT_START("IN.1")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_E) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_NAME("E 5 / Queen")
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_F) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_NAME("F 6 / King")
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_G) PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD) PORT_NAME("G 7 / White")
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_H) PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) PORT_NAME("H 8 / Black")
- PORT_START("LINE3")
+ PORT_START("IN.2")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_L) PORT_NAME("LV / CS") // level/clear square
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_K) PORT_NAME("FP") // find position
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_O) PORT_NAME("EP") // enter position
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_Q) PORT_NAME("CB") // clear board
- PORT_START("LINE4")
+ PORT_START("IN.3")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("CE") // clear entry
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("Enter")
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_M) PORT_NAME("MM") // multi move
@@ -209,10 +201,13 @@ void chesstrv_state::chesstrv(machine_config &config)
psu.read_b().set(FUNC(chesstrv_state::input_r));
psu.write_b().set(FUNC(chesstrv_state::matrix_w));
- /* video hardware */
- for (int i = 0; i < 4; i++)
- TIMER(config, m_delay_display[i]).configure_generic(FUNC(chesstrv_state::delay_display));
+ // built-in chessboard is not electronic
+ sensorboard_device &board(SENSORBOARD(config, "board").set_type(sensorboard_device::NOSENSORS));
+ board.init_cb().set("board", FUNC(sensorboard_device::preset_chess));
+ /* video hardware */
+ PWM_DISPLAY(config, m_display).set_size(4, 7);
+ m_display->set_segmask(0xf, 0x7f);
config.set_default_layout(layout_scisys_chesstrv);
}