summaryrefslogtreecommitdiffstats
path: root/src/mame/drivers/tomcat.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/tomcat.cpp')
-rw-r--r--src/mame/drivers/tomcat.cpp457
1 files changed, 457 insertions, 0 deletions
diff --git a/src/mame/drivers/tomcat.cpp b/src/mame/drivers/tomcat.cpp
new file mode 100644
index 00000000000..de60c5f8bfc
--- /dev/null
+++ b/src/mame/drivers/tomcat.cpp
@@ -0,0 +1,457 @@
+// license:BSD-3-Clause
+// copyright-holders:Mariusz Wojcieszek
+/*
+
+ Atari Tomcat prototype hardware
+
+ Driver by Mariusz Wojcieszek
+
+ Notes:
+ - game has no sound, while sound hardware was developed, sound program was
+ not prepared
+
+ TODO:
+ - add proper timing of interrupts and framerate (currently commented out,
+ as they cause test mode to hang)
+ - vector quality appears to be worse than original game (compared to original
+ game videos)
+ - verify controls
+ - implement game linking (after MAME supports network)
+ - current implementation of 68010 <-> tms32010 is a little bit hacky, after
+ tms32010 is started by 68010, 68010 is suspended until tms32010 reads command
+ and starts executing
+ - hook up tms5220 - it is currently not used at all
+
+*/
+
+#include "emu.h"
+#include "cpu/m68000/m68000.h"
+#include "cpu/tms32010/tms32010.h"
+#include "cpu/m6502/m6502.h"
+#include "video/vector.h"
+#include "video/avgdvg.h"
+#include "machine/timekpr.h"
+#include "machine/nvram.h"
+#include "machine/6532riot.h"
+#include "sound/pokey.h"
+#include "sound/tms5220.h"
+#include "sound/2151intf.h"
+
+
+
+class tomcat_state : public driver_device
+{
+public:
+ tomcat_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_tms(*this, "tms"),
+ m_shared_ram(*this, "shared_ram"),
+ m_maincpu(*this, "maincpu"),
+ m_dsp(*this, "dsp") { }
+
+ required_device<tms5220_device> m_tms;
+ int m_control_num;
+ required_shared_ptr<UINT16> m_shared_ram;
+ UINT8 m_nvram[0x800];
+ int m_dsp_BIO;
+ int m_dsp_idle;
+ DECLARE_WRITE16_MEMBER(tomcat_adcon_w);
+ DECLARE_READ16_MEMBER(tomcat_adcread_r);
+ DECLARE_READ16_MEMBER(tomcat_inputs_r);
+ DECLARE_WRITE16_MEMBER(tomcat_led1on_w);
+ DECLARE_WRITE16_MEMBER(tomcat_led2on_w);
+ DECLARE_WRITE16_MEMBER(tomcat_led2off_w);
+ DECLARE_WRITE16_MEMBER(tomcat_led1off_w);
+ DECLARE_WRITE16_MEMBER(tomcat_lnkmodel_w);
+ DECLARE_WRITE16_MEMBER(tomcat_errl_w);
+ DECLARE_WRITE16_MEMBER(tomcat_errh_w);
+ DECLARE_WRITE16_MEMBER(tomcat_ackl_w);
+ DECLARE_WRITE16_MEMBER(tomcat_ackh_w);
+ DECLARE_WRITE16_MEMBER(tomcat_lnkmodeh_w);
+ DECLARE_WRITE16_MEMBER(tomcat_txbuffl_w);
+ DECLARE_WRITE16_MEMBER(tomcat_txbuffh_w);
+ DECLARE_WRITE16_MEMBER(tomcat_sndresl_w);
+ DECLARE_WRITE16_MEMBER(tomcat_sndresh_w);
+ DECLARE_WRITE16_MEMBER(tomcat_mresl_w);
+ DECLARE_WRITE16_MEMBER(tomcat_mresh_w);
+ DECLARE_WRITE16_MEMBER(tomcat_irqclr_w);
+ DECLARE_READ16_MEMBER(tomcat_inputs2_r);
+ DECLARE_READ16_MEMBER(tomcat_320bio_r);
+ DECLARE_READ16_MEMBER(dsp_BIO_r);
+ DECLARE_READ16_MEMBER(tomcat_shared_ram_r);
+ DECLARE_WRITE16_MEMBER(tomcat_shared_ram_w);
+ DECLARE_READ8_MEMBER(tomcat_nvram_r);
+ DECLARE_WRITE8_MEMBER(tomcat_nvram_w);
+ DECLARE_WRITE8_MEMBER(soundlatches_w);
+ virtual void machine_start();
+ required_device<cpu_device> m_maincpu;
+ required_device<cpu_device> m_dsp;
+};
+
+
+
+WRITE16_MEMBER(tomcat_state::tomcat_adcon_w)
+{
+ m_control_num = data;
+}
+
+READ16_MEMBER(tomcat_state::tomcat_adcread_r)
+{
+ switch( m_control_num )
+ {
+ case 0: return ioport("STICKY")->read();
+ case 1: return ioport("STICKX")->read();
+ default: return 0x7f7f;
+ }
+}
+
+READ16_MEMBER(tomcat_state::tomcat_inputs_r)
+{
+ UINT16 result = 0;
+ if (ACCESSING_BITS_8_15)
+ result |= ioport("IN0")->read() << 8;
+
+ return result;
+}
+
+WRITE16_MEMBER(tomcat_state::tomcat_led1on_w)
+{
+ set_led_status(machine(), 1, 1);
+}
+
+WRITE16_MEMBER(tomcat_state::tomcat_led2on_w)
+{
+ set_led_status(machine(), 2, 1);
+}
+
+WRITE16_MEMBER(tomcat_state::tomcat_led2off_w)
+{
+ set_led_status(machine(), 2, 0);
+}
+
+WRITE16_MEMBER(tomcat_state::tomcat_led1off_w)
+{
+ set_led_status(machine(), 1, 0);
+}
+
+WRITE16_MEMBER(tomcat_state::tomcat_lnkmodel_w)
+{
+ // Link Mode Low (address strobe)
+ // Master does not respond to Interrupts
+}
+
+WRITE16_MEMBER(tomcat_state::tomcat_errl_w)
+{
+ // Link Error Flag Low (address strobe)
+}
+
+WRITE16_MEMBER(tomcat_state::tomcat_errh_w)
+{
+ // Link Error Flag High (address strobe)
+}
+
+WRITE16_MEMBER(tomcat_state::tomcat_ackl_w)
+{
+ // Link ACK Flag Low (address strobe)
+}
+
+WRITE16_MEMBER(tomcat_state::tomcat_ackh_w)
+{
+ // Link ACK Flag High (address strobe)
+}
+
+WRITE16_MEMBER(tomcat_state::tomcat_lnkmodeh_w)
+{
+ // Link Mode high (address strobe)
+}
+
+WRITE16_MEMBER(tomcat_state::tomcat_txbuffl_w)
+{
+ // Link Buffer Control (address strobe)
+}
+
+WRITE16_MEMBER(tomcat_state::tomcat_txbuffh_w)
+{
+ // Link Buffer Control high (address strobe)
+ // Turn off TX (Link) Buffer
+}
+
+WRITE16_MEMBER(tomcat_state::tomcat_sndresl_w)
+{
+ // Sound Reset Low (Address Strobe)
+ // Reset Sound System
+}
+
+WRITE16_MEMBER(tomcat_state::tomcat_sndresh_w)
+{
+ // Sound Reset high (Address Strobe)
+ // Release reset of sound system
+}
+
+WRITE16_MEMBER(tomcat_state::tomcat_mresl_w)
+{
+ // 320 Reset Low (Address Strobe)
+ // Reset TMS320
+ m_dsp->set_input_line(INPUT_LINE_RESET, ASSERT_LINE);
+}
+
+WRITE16_MEMBER(tomcat_state::tomcat_mresh_w)
+{
+ // 320 Reset high (Address Strobe)
+ // Release reset of TMS320
+ m_dsp_BIO = 0;
+ m_dsp->set_input_line(INPUT_LINE_RESET, CLEAR_LINE);
+}
+
+WRITE16_MEMBER(tomcat_state::tomcat_irqclr_w)
+{
+ // Clear IRQ Latch (Address Strobe)
+ m_maincpu->set_input_line(1, CLEAR_LINE);
+}
+
+READ16_MEMBER(tomcat_state::tomcat_inputs2_r)
+{
+/*
+* D15 LNKFLAG (Game Link)
+* D14 PC3 " "
+* D13 PC2 " "
+* D12 PC0 " "
+* D11 MAINFLAG (Sound System)
+* D10 SOUNDFLAG " "
+* D9 /IDLE* (TMS320 System)
+* D8
+*/
+ return m_dsp_idle ? 0 : (1 << 9);
+}
+
+READ16_MEMBER(tomcat_state::tomcat_320bio_r)
+{
+ m_dsp_BIO = 1;
+ m_maincpu->suspend(SUSPEND_REASON_SPIN, 1);
+ return 0;
+}
+
+READ16_MEMBER(tomcat_state::dsp_BIO_r)
+{
+ if ( space.device().safe_pc() == 0x0001 )
+ {
+ if ( m_dsp_idle == 0 )
+ {
+ m_dsp_idle = 1;
+ m_dsp_BIO = 0;
+ }
+ return !m_dsp_BIO;
+ }
+ else if ( space.device().safe_pc() == 0x0003 )
+ {
+ if ( m_dsp_BIO == 1 )
+ {
+ m_dsp_idle = 0;
+ m_dsp_BIO = 0;
+ m_maincpu->resume(SUSPEND_REASON_SPIN );
+ return 0;
+ }
+ else
+ {
+ assert(0);
+ return 0;
+ }
+ }
+ else
+ {
+ return !m_dsp_BIO;
+ }
+}
+
+READ16_MEMBER(tomcat_state::tomcat_shared_ram_r)
+{
+ return m_shared_ram[offset];
+}
+
+WRITE16_MEMBER(tomcat_state::tomcat_shared_ram_w)
+{
+ COMBINE_DATA(&m_shared_ram[offset]);
+}
+
+READ8_MEMBER(tomcat_state::tomcat_nvram_r)
+{
+ return m_nvram[offset];
+}
+
+WRITE8_MEMBER(tomcat_state::tomcat_nvram_w)
+{
+ m_nvram[offset] = data;
+}
+
+static ADDRESS_MAP_START( tomcat_map, AS_PROGRAM, 16, tomcat_state )
+ AM_RANGE(0x000000, 0x00ffff) AM_ROM
+ AM_RANGE(0x402000, 0x402001) AM_READ(tomcat_adcread_r) AM_WRITE(tomcat_adcon_w)
+ AM_RANGE(0x404000, 0x404001) AM_READ(tomcat_inputs_r) AM_DEVWRITE("avg", avg_tomcat_device, go_word_w)
+ AM_RANGE(0x406000, 0x406001) AM_DEVWRITE("avg", avg_tomcat_device, reset_word_w)
+ AM_RANGE(0x408000, 0x408001) AM_READWRITE(tomcat_inputs2_r, watchdog_reset16_w)
+ AM_RANGE(0x40a000, 0x40a001) AM_READWRITE(tomcat_320bio_r, tomcat_irqclr_w)
+ AM_RANGE(0x40e000, 0x40e001) AM_WRITE(tomcat_led1on_w)
+ AM_RANGE(0x40e002, 0x40e003) AM_WRITE(tomcat_led2on_w)
+ AM_RANGE(0x40e004, 0x40e005) AM_WRITE(tomcat_mresl_w)
+ AM_RANGE(0x40e006, 0x40e007) AM_WRITE(tomcat_sndresl_w)
+ AM_RANGE(0x40e008, 0x40e009) AM_WRITE(tomcat_lnkmodel_w)
+ AM_RANGE(0x40e00a, 0x40e00b) AM_WRITE(tomcat_errl_w)
+ AM_RANGE(0x40e00c, 0x40e00d) AM_WRITE(tomcat_ackl_w)
+ AM_RANGE(0x40e00e, 0x40e00f) AM_WRITE(tomcat_txbuffl_w)
+ AM_RANGE(0x40e010, 0x40e011) AM_WRITE(tomcat_led1off_w)
+ AM_RANGE(0x40e012, 0x40e013) AM_WRITE(tomcat_led2off_w)
+ AM_RANGE(0x40e014, 0x40e015) AM_WRITE(tomcat_mresh_w)
+ AM_RANGE(0x40e016, 0x40e017) AM_WRITE(tomcat_sndresh_w)
+ AM_RANGE(0x40e018, 0x40e019) AM_WRITE(tomcat_lnkmodeh_w)
+ AM_RANGE(0x40e01a, 0x40e01b) AM_WRITE(tomcat_errh_w)
+ AM_RANGE(0x40e01c, 0x40e01d) AM_WRITE(tomcat_ackh_w)
+ AM_RANGE(0x40e01e, 0x40e01f) AM_WRITE(tomcat_txbuffh_w)
+ AM_RANGE(0x800000, 0x803fff) AM_RAM AM_SHARE("vectorram")
+ AM_RANGE(0xffa000, 0xffbfff) AM_READWRITE(tomcat_shared_ram_r, tomcat_shared_ram_w)
+ AM_RANGE(0xffc000, 0xffcfff) AM_RAM
+ AM_RANGE(0xffd000, 0xffdfff) AM_DEVREADWRITE8("m48t02", timekeeper_device, read, write, 0xff00)
+ AM_RANGE(0xffd000, 0xffdfff) AM_READWRITE8(tomcat_nvram_r, tomcat_nvram_w, 0x00ff)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( dsp_map, AS_PROGRAM, 16, tomcat_state )
+ AM_RANGE(0x0000, 0x1fff) AM_RAM AM_SHARE("shared_ram")
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( dsp_io_map, AS_IO, 16, tomcat_state )
+ AM_RANGE(TMS32010_BIO, TMS32010_BIO) AM_READ(dsp_BIO_r)
+ADDRESS_MAP_END
+
+WRITE8_MEMBER(tomcat_state::soundlatches_w)
+{
+ switch(offset)
+ {
+ case 0x00: break; // XLOAD 0 Write the Sequential ROM counter Low Byte
+ case 0x20: break; // XLOAD 1 Write the Sequential ROM counter High Byte
+ case 0x40: break; // SOUNDWR Write to Sound Interface Latch (read by Main)
+ case 0x60: break; // unused
+ case 0x80: break; // XREAD Read the Sequential ROM (64K bytes) and increment the counter
+ case 0xa0: break; // unused
+ case 0xc0: break; // SOUNDREAD Read the Sound Interface Latch (written by Main)
+ }
+}
+
+static ADDRESS_MAP_START( sound_map, AS_PROGRAM, 8, tomcat_state )
+ AM_RANGE(0x0000, 0x1fff) AM_RAM
+ AM_RANGE(0x2000, 0x2001) AM_DEVREADWRITE("ymsnd", ym2151_device, read, write)
+ AM_RANGE(0x3000, 0x30df) AM_WRITE(soundlatches_w)
+ AM_RANGE(0x30e0, 0x30e0) AM_NOP // COINRD Inputs: D7 = Coin L, D6 = Coin R, D5 = SOUNDFLAG
+ AM_RANGE(0x5000, 0x507f) AM_RAM // 6532 ram
+ AM_RANGE(0x5080, 0x509f) AM_DEVREADWRITE("riot", riot6532_device, read, write)
+ AM_RANGE(0x6000, 0x601f) AM_DEVREADWRITE("pokey1", pokey_device, read, write)
+ AM_RANGE(0x7000, 0x701f) AM_DEVREADWRITE("pokey2", pokey_device, read, write)
+ AM_RANGE(0x8000, 0xffff) AM_NOP // main sound program rom
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( tomcat )
+ PORT_START("IN0") /* INPUTS */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER("avg", avg_tomcat_device, done_r, NULL)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED ) // SPARE
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON5 ) // DIAGNOSTIC
+ PORT_SERVICE( 0x08, IP_ACTIVE_LOW )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) // R FIRE
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) // L FIRE
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON4 ) // R THUMB
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON3 ) // L THUMB
+
+ PORT_START("STICKY")
+ PORT_BIT( 0xff, 0x80, IPT_AD_STICK_Y ) PORT_SENSITIVITY(70) PORT_KEYDELTA(30)
+
+ PORT_START("STICKX")
+ PORT_BIT( 0xff, 0x80, IPT_AD_STICK_X ) PORT_SENSITIVITY(50) PORT_KEYDELTA(30)
+INPUT_PORTS_END
+
+void tomcat_state::machine_start()
+{
+ ((UINT16*)m_shared_ram)[0x0000] = 0xf600;
+ ((UINT16*)m_shared_ram)[0x0001] = 0x0000;
+ ((UINT16*)m_shared_ram)[0x0002] = 0xf600;
+ ((UINT16*)m_shared_ram)[0x0003] = 0x0000;
+
+ machine().device<nvram_device>("nvram")->set_base(m_nvram, 0x800);
+
+ save_item(NAME(m_nvram));
+ save_item(NAME(m_control_num));
+ save_item(NAME(m_dsp_BIO));
+ save_item(NAME(m_dsp_idle));
+
+ m_dsp_BIO = 0;
+}
+
+static MACHINE_CONFIG_START( tomcat, tomcat_state )
+ MCFG_CPU_ADD("maincpu", M68010, XTAL_12MHz / 2)
+ MCFG_CPU_PROGRAM_MAP(tomcat_map)
+ MCFG_CPU_PERIODIC_INT_DRIVER(tomcat_state, irq1_line_assert, 5*60)
+ //MCFG_CPU_PERIODIC_INT_DRIVER(tomcat_state, irq1_line_assert, (double)XTAL_12MHz / 16 / 16 / 16 / 12)
+
+ MCFG_CPU_ADD("dsp", TMS32010, XTAL_16MHz)
+ MCFG_CPU_PROGRAM_MAP( dsp_map)
+ MCFG_CPU_IO_MAP( dsp_io_map)
+
+ MCFG_CPU_ADD("soundcpu", M6502, XTAL_14_31818MHz / 8 )
+ MCFG_DEVICE_DISABLE()
+ MCFG_CPU_PROGRAM_MAP( sound_map)
+
+ MCFG_DEVICE_ADD("riot", RIOT6532, XTAL_14_31818MHz / 8)
+ /*
+ PA0 = /WS OUTPUT (TMS-5220 WRITE STROBE)
+ PA1 = /RS OUTPUT (TMS-5220 READ STROBE)
+ PA2 = /READY INPUT (TMS-5220 READY FLAG)
+ PA3 = FSEL OUTPUT Select TMS5220 clock;
+ 0 = 325 KHz (8 KHz sampling)
+ 1 = 398 KHz (10 KHz sampling)
+ PA4 = /CC1 OUTPUT Coin Counter 1
+ PA5 = /CC2 OUTPUT Coin Counter 2
+ PA6 = /MUSRES OUTPUT (Reset the Yamaha)
+ PA7 = MAINFLAG INPUT
+ */
+ // OUTB PB0 - PB7 OUTPUT Speech Data
+ // IRQ CB connected to IRQ line of 6502
+
+ MCFG_QUANTUM_TIME(attotime::from_hz(4000))
+
+ MCFG_NVRAM_ADD_0FILL("nvram")
+
+ MCFG_M48T02_ADD( "m48t02" )
+
+ MCFG_VECTOR_ADD("vector")
+ MCFG_SCREEN_ADD("screen", VECTOR)
+ MCFG_SCREEN_REFRESH_RATE(40)
+ //MCFG_SCREEN_REFRESH_RATE((double)XTAL_12MHz / 16 / 16 / 16 / 12 / 5 )
+ MCFG_SCREEN_SIZE(400, 300)
+ MCFG_SCREEN_VISIBLE_AREA(0, 280, 0, 250)
+ MCFG_SCREEN_UPDATE_DEVICE("vector", vector_device, screen_update)
+
+ MCFG_DEVICE_ADD("avg", AVG_TOMCAT, 0)
+ MCFG_AVGDVG_VECTOR("vector")
+
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+ MCFG_SOUND_ADD("pokey1", POKEY, XTAL_14_31818MHz / 8)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.20)
+
+ MCFG_SOUND_ADD("pokey2", POKEY, XTAL_14_31818MHz / 8)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.20)
+
+ MCFG_SOUND_ADD("tms", TMS5220, 325000)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.50)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.50)
+
+ MCFG_YM2151_ADD("ymsnd", XTAL_14_31818MHz / 4)
+ MCFG_SOUND_ROUTE(0, "lspeaker", 0.60)
+ MCFG_SOUND_ROUTE(1, "rspeaker", 0.60)
+MACHINE_CONFIG_END
+
+ROM_START( tomcat )
+ ROM_REGION( 0x10000, "maincpu", 0)
+ ROM_LOAD16_BYTE( "rom1k.bin", 0x00001, 0x8000, CRC(5535a1ff) SHA1(b9807c749a8e6b5ddec3ff494130abda09f0baab) )
+ ROM_LOAD16_BYTE( "rom2k.bin", 0x00000, 0x8000, CRC(021a01d2) SHA1(01d99aab54ad57a664e8aaa91296bb879fc6e422) )
+
+ ROM_REGION( 0x100, "user1", 0 )
+ ROM_LOAD( "136021-105.1l", 0x0000, 0x0100, CRC(82fc3eb2) SHA1(184231c7baef598294860a7d2b8a23798c5c7da6) ) /* AVG PROM */
+ROM_END
+
+GAME( 1985, tomcat, 0, tomcat, tomcat, driver_device, 0, ROT0, "Atari", "TomCat (prototype)", MACHINE_SUPPORTS_SAVE )