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-rw-r--r--src/mess/drivers/amaztron.c212
1 files changed, 212 insertions, 0 deletions
diff --git a/src/mess/drivers/amaztron.c b/src/mess/drivers/amaztron.c
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+++ b/src/mess/drivers/amaztron.c
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+// license:BSD-3-Clause
+// copyright-holders:hap
+/***************************************************************************
+
+ Coleco Amaze-A-Tron
+ * TMS1100 MCU, labeled MP3405(die label too)
+
+ This is an electronic board game with a selection of 8 maze games,
+ most of them for 2 players. A 5x5 playing grid and four markers are
+ required to play. Refer to the official manual for more information.
+
+***************************************************************************/
+
+#include "emu.h"
+#include "cpu/tms0980/tms0980.h"
+#include "sound/speaker.h"
+
+#include "amaztron.lh"
+
+// master clock is a single stage RC oscillator: R=33K?, C=100pf,
+// according to the TMS 1000 series data manual this is around 350kHz
+#define MASTER_CLOCK (350000)
+
+
+class amaztron_state : public driver_device
+{
+public:
+ amaztron_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu"),
+ m_button_matrix(*this, "IN"),
+ m_speaker(*this, "speaker")
+ { }
+
+ required_device<cpu_device> m_maincpu;
+ required_ioport_array<6> m_button_matrix;
+ required_device<speaker_sound_device> m_speaker;
+
+ UINT16 m_r;
+ UINT16 m_o;
+
+ DECLARE_READ8_MEMBER(read_k);
+ DECLARE_WRITE16_MEMBER(write_o);
+ DECLARE_WRITE16_MEMBER(write_r);
+
+ void leds_update();
+
+ virtual void machine_start();
+};
+
+
+
+/***************************************************************************
+
+ I/O
+
+***************************************************************************/
+
+void amaztron_state::leds_update()
+{
+ for (int i = 0; i < 2; i++)
+ if (m_r >> (i + 8) & 1)
+ output_set_digit_value(i, m_o);
+}
+
+READ8_MEMBER(amaztron_state::read_k)
+{
+ UINT8 k = 0;
+
+ // read selected button rows
+ for (int i = 0; i < 6; i++)
+ {
+ if (m_r >> i & 1)
+ k |= m_button_matrix[i]->read();
+ }
+
+ // the 5th row is tied to K4+K8
+ if (k & 0x10) k |= 0xc;
+ return k & 0xf;
+}
+
+WRITE16_MEMBER(amaztron_state::write_r)
+{
+ // R0-R5: input mux
+ // R6,R7: lamps
+ output_set_lamp_value(0, data >> 6 & 1);
+ output_set_lamp_value(1, data >> 7 & 1);
+
+ // R8,R9: select digit
+ m_r = data;
+ leds_update();
+
+ // R10: speaker out
+ m_speaker->level_w(data >> 10 & 1);
+}
+
+WRITE16_MEMBER(amaztron_state::write_o)
+{
+ // O0-O6: digit segments
+ // O7: N/C
+ m_o = data & 0x7f;
+ leds_update();
+}
+
+
+
+/***************************************************************************
+
+ Inputs
+
+***************************************************************************/
+
+static INPUT_PORTS_START( amaztron )
+ PORT_START("IN.0") // R0
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_NAME("Button 1")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_NAME("Button 6")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_NAME("Button 11")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_NAME("Button 16")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_NAME("Button 21")
+
+ PORT_START("IN.1") // R1
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_NAME("Button 2")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_NAME("Button 7")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_NAME("Button 12")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_NAME("Button 17")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_NAME("Button 22")
+
+ PORT_START("IN.2") // R2
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_NAME("Button 3")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_NAME("Button 8")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_NAME("Button 13")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_NAME("Button 18")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_NAME("Button 23")
+
+ PORT_START("IN.3") // R3
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_NAME("Button 4")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_NAME("Button 9")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_NAME("Button 14")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_NAME("Button 19")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_NAME("Button 24")
+
+ PORT_START("IN.4") // R4
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_NAME("Button 5")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_NAME("Button 10")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_NAME("Button 15")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_NAME("Button 20")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_NAME("Button 25")
+
+ PORT_START("IN.5") // R5
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_NAME("Game Select")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_NAME("Game Start")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_UNUSED)
+INPUT_PORTS_END
+
+
+
+/***************************************************************************
+
+ Machine Config
+
+***************************************************************************/
+
+void amaztron_state::machine_start()
+{
+ m_r = 0;
+ m_o = 0;
+
+ save_item(NAME(m_r));
+ save_item(NAME(m_o));
+}
+
+
+static MACHINE_CONFIG_START( amaztron, amaztron_state )
+
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", TMS1100, MASTER_CLOCK)
+ MCFG_TMS1XXX_READ_K_CB(READ8(amaztron_state, read_k))
+ MCFG_TMS1XXX_WRITE_O_CB(WRITE16(amaztron_state, write_o))
+ MCFG_TMS1XXX_WRITE_R_CB(WRITE16(amaztron_state, write_r))
+
+ MCFG_DEFAULT_LAYOUT(layout_amaztron)
+
+ /* no video! */
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
+MACHINE_CONFIG_END
+
+
+
+/***************************************************************************
+
+ Game driver(s)
+
+***************************************************************************/
+
+ROM_START( amaztron )
+ ROM_REGION( 0x0800, "maincpu", 0 )
+ ROM_LOAD( "tms1100nll_mp3405", 0x0000, 0x0800, CRC(9cbc0009) SHA1(17772681271b59280687492f37fa0859998f041d) )
+
+ ROM_REGION( 867, "maincpu:mpla", 0 )
+ ROM_LOAD( "tms1100_amaztron_mpla.pla", 0, 867, CRC(03574895) SHA1(04407cabfb3adee2ee5e4218612cb06c12c540f4) )
+ ROM_REGION( 365, "maincpu:opla", 0 )
+ ROM_LOAD( "tms1100_amaztron_opla.pla", 0, 365, CRC(f3875384) SHA1(3c256a3db4f0aa9d93cf78124db39f4cbdc57e4a) )
+ROM_END
+
+
+CONS( 1979, amaztron, 0, 0, amaztron, amaztron, driver_device, 0, "Coleco", "Amaze-A-Tron", GAME_SUPPORTS_SAVE )