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Diffstat (limited to 'src/mess/drivers/tandy12.c')
-rw-r--r--src/mess/drivers/tandy12.c149
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diff --git a/src/mess/drivers/tandy12.c b/src/mess/drivers/tandy12.c
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+// license:BSD-3-Clause
+// copyright-holders:hap
+/***************************************************************************
+
+ Tandy Radio Shack Tandy-12 - Computerized Arcade
+ * TMS1100 CD7282SL
+
+ This tabletop game looks and plays like "Fabulous Fred" by the Japanese
+ company Mego Corp. in 1980, which in turn is a mix of Merlin and Simon.
+ Unlike Merlin and Simon, these spin-offs were not successful.
+
+***************************************************************************/
+
+#include "emu.h"
+#include "cpu/tms0980/tms0980.h"
+#include "sound/speaker.h"
+
+#include "tandy12.lh" // clickable
+
+// master clock is a single stage RC oscillator: R=39K, C=47pf,
+// according to the TMS 1000 series data manual this is around 400kHz
+#define MASTER_CLOCK (400000)
+
+
+class tandy12_state : public driver_device
+{
+public:
+ tandy12_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu"),
+ m_speaker(*this, "speaker")
+ { }
+
+ required_device<tms1xxx_cpu_device> m_maincpu;
+ required_device<speaker_sound_device> m_speaker;
+
+ UINT16 m_o;
+ UINT16 m_r;
+
+ DECLARE_READ8_MEMBER(read_k);
+ DECLARE_WRITE16_MEMBER(write_o);
+ DECLARE_WRITE16_MEMBER(write_r);
+
+ virtual void machine_start();
+};
+
+
+/***************************************************************************
+
+ I/O
+
+***************************************************************************/
+
+READ8_MEMBER(tandy12_state::read_k)
+{
+ return 0;
+}
+
+WRITE16_MEMBER(tandy12_state::write_o)
+{
+ m_o = data;
+}
+
+WRITE16_MEMBER(tandy12_state::write_r)
+{
+ // R10: speaker out
+ m_speaker->level_w(data >> 10 & 1);
+
+ m_r = data;
+}
+
+
+
+/***************************************************************************
+
+ Inputs
+
+***************************************************************************/
+
+static INPUT_PORTS_START( tandy12 )
+INPUT_PORTS_END
+
+
+
+/***************************************************************************
+
+ Machine Config
+
+***************************************************************************/
+
+void tandy12_state::machine_start()
+{
+ m_o = 0;
+ m_r = 0;
+
+ save_item(NAME(m_o));
+ save_item(NAME(m_r));
+}
+
+
+static const UINT16 tandy12_output_pla[0x20] =
+{
+ /* O output PLA configuration currently unknown */
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f
+};
+
+
+static MACHINE_CONFIG_START( tandy12, tandy12_state )
+
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", TMS1100, MASTER_CLOCK)
+ MCFG_TMS1XXX_OUTPUT_PLA(tandy12_output_pla)
+ MCFG_TMS1XXX_READ_K_CB(READ8(tandy12_state, read_k))
+ MCFG_TMS1XXX_WRITE_O_CB(WRITE16(tandy12_state, write_o))
+ MCFG_TMS1XXX_WRITE_R_CB(WRITE16(tandy12_state, write_r))
+
+ MCFG_DEFAULT_LAYOUT(layout_tandy12)
+
+ /* 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( tandy12 )
+ ROM_REGION( 0x800, "maincpu", 0 )
+ ROM_LOAD( "cd7282sl", 0x0000, 0x800, CRC(a10013dd) SHA1(42ebd3de3449f371b99937f9df39c240d15ac686) )
+
+ ROM_REGION( 867, "maincpu:mpla", 0 )
+ ROM_LOAD( "tms1100_default_mpla.pla", 0, 867, BAD_DUMP CRC(62445fc9) SHA1(d6297f2a4bc7a870b76cc498d19dbb0ce7d69fec) ) // not verified
+ ROM_REGION( 365, "maincpu:opla", 0 )
+ ROM_LOAD( "tms1100_tandy12_opla.pla", 0, 365, NO_DUMP )
+ROM_END
+
+
+CONS( 1981, tandy12, 0, 0, tandy12, tandy12, driver_device, 0, "Tandy Radio Shack", "Tandy-12 - Computerized Arcade", GAME_SUPPORTS_SAVE | GAME_NOT_WORKING )