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Diffstat (limited to 'src/mame/drivers/intellect02.cpp')
-rw-r--r--src/mame/drivers/intellect02.cpp26
1 files changed, 15 insertions, 11 deletions
diff --git a/src/mame/drivers/intellect02.cpp b/src/mame/drivers/intellect02.cpp
index 7cf0e1929fa..019a46b244b 100644
--- a/src/mame/drivers/intellect02.cpp
+++ b/src/mame/drivers/intellect02.cpp
@@ -35,9 +35,6 @@ keypad legend:
ПП - просмотр позиции (view position)
УИ - уровень игры (game level)
-TODO:
-- identify 0,9 buttons (unused on the chess games)
-
******************************************************************************/
#include "emu.h"
@@ -76,8 +73,7 @@ public:
// machine configs
void intel02(machine_config &config);
- // reset button is tied directly to CPU RESET pin
- DECLARE_INPUT_CHANGED_MEMBER(reset_button) { m_maincpu->set_input_line(INPUT_LINE_RESET, newval ? ASSERT_LINE : CLEAR_LINE); }
+ DECLARE_INPUT_CHANGED_MEMBER(reset_button);
protected:
virtual void machine_start() override;
@@ -132,6 +128,14 @@ void intel02_state::machine_start()
save_item(NAME(m_led_active));
}
+INPUT_CHANGED_MEMBER(intel02_state::reset_button)
+{
+ // reset button goes to 8080/8255 RESET pins simultaneously (via 7474, and also a maze of NAND gates to who knows where)
+ m_maincpu->set_input_line(INPUT_LINE_RESET, newval ? ASSERT_LINE : CLEAR_LINE);
+ if (newval)
+ m_ppi8255->reset();
+}
+
/******************************************************************************
@@ -190,8 +194,8 @@ READ8_MEMBER(intel02_state::input_r)
WRITE8_MEMBER(intel02_state::digit_w)
{
- // d0-d7: digit segment data
- m_digit_data = bitswap<8>(data,7,0,1,2,3,4,5,6);
+ // d0-d6: digit segment data, d7: N/C
+ m_digit_data = bitswap<7>(data,0,1,2,3,4,5,6);
update_display();
}
@@ -246,10 +250,10 @@ void intel02_state::main_io(address_map &map)
static INPUT_PORTS_START( intel02 )
PORT_START("IN.0")
- PORT_BIT(0x0007, IP_ACTIVE_HIGH, IPT_UNKNOWN)
+ PORT_BIT(0x0007, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("View Position") PORT_CODE(KEYCODE_V)
PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Game Level") PORT_CODE(KEYCODE_L)
- PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_UNKNOWN)
+ PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_9_PAD)
PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("H8") PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) PORT_CODE(KEYCODE_H)
PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("G7") PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD) PORT_CODE(KEYCODE_G)
PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("F6") PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_CODE(KEYCODE_F)
@@ -258,7 +262,7 @@ static INPUT_PORTS_START( intel02 )
PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("C3") PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_CODE(KEYCODE_C)
PORT_BIT(0x1000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("B2") PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_CODE(KEYCODE_B)
PORT_BIT(0x2000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("A1") PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_CODE(KEYCODE_A)
- PORT_BIT(0x4000, IP_ACTIVE_HIGH, IPT_UNKNOWN)
+ PORT_BIT(0x4000, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_0_PAD)
PORT_START("IN.1")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_UNUSED)
@@ -288,7 +292,7 @@ void intel02_state::intel02(machine_config &config)
m_ppi8255->out_pb_callback().set(FUNC(intel02_state::digit_w));
m_ppi8255->tri_pb_callback().set_constant(0);
m_ppi8255->out_pc_callback().set(FUNC(intel02_state::control_w));
- m_ppi8255->tri_pc_callback().set_constant(0);
+ m_ppi8255->tri_pc_callback().set_constant(0x80);
/* video hardware */
TIMER(config, m_delay_update).configure_generic(FUNC(intel02_state::delay_update));