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https://github.com/holub/mame
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AFTOR - wip
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Robbbert
parent
b062d244ca
commit
283973d5f5
@ -1,43 +1,95 @@
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/**************************************************************************
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Pinball
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Wico's only game : Af-tor
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Pinball
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Wico's only game : Af-tor
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Schematic and PinMAME used as references.
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Code for the interrupts/timers was derived from PinMAME.
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***************************************************************************/
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#include "emu.h"
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#include "machine/genpin.h"
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#include "cpu/m6809/m6809.h"
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#include "machine/nvram.h"
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#include "sound/sn76496.h"
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//#include "wico.lh"
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class wico_state : public driver_device
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{
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public:
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wico_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag),
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m_maincpu(*this, "maincpu")
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m_maincpu(*this, "maincpu"),
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m_cpu2(*this, "maincpu"),
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m_shared_ram(*this, "sharedram"),
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m_samples(*this, "samples")
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{ }
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DECLARE_WRITE8_MEMBER(zcres_w);
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TIMER_DEVICE_CALLBACK_MEMBER(irq_housekeeping);
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TIMER_DEVICE_CALLBACK_MEMBER(firq_housekeeping);
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protected:
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// devices
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required_device<cpu_device> m_maincpu;
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required_device<cpu_device> m_cpu2;
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required_shared_ptr<UINT8> m_shared_ram;
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required_device<samples_device> m_samples;
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// driver_device overrides
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virtual void machine_reset();
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private:
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UINT8 m_zcen;
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UINT8 m_gten;
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UINT8 m_firqtimer;
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public:
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DECLARE_DRIVER_INIT(wico);
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};
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// housekeeping cpu
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static ADDRESS_MAP_START( wico_map, AS_PROGRAM, 8, wico_state )
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AM_RANGE(0x0000, 0x07ff) AM_RAM
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//AM_RANGE(0x1fe0, 0x1fef) AM_READWRITE(io_r,io_w)
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AM_RANGE(0x0000, 0x07ff) AM_RAM AM_SHARE("sharedram")
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AM_RANGE(0x1fe0, 0x1fe0) AM_NOP //AM_WRITE(muxld_w)
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//AM_RANGE(0x1fe1, 0x1fe1) AM_WRITE(store_w)
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//AM_RANGE(0x1fe2, 0x1fe2) AM_WRITE(muxen_w)
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//AM_RANGE(0x1fe3, 0x1fe3) AM_WRITE(csols_w)
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//AM_RANGE(0x1fe4, 0x1fe4) AM_WRITE(msols_w)
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//AM_RANGE(0x1fe5, 0x1fe5) AM_DEVWRITE("sn76494", sn76494_new_device, write)
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AM_RANGE(0x1fe6, 0x1fe6) AM_NOP //WRITE(wdogcl_w)
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AM_RANGE(0x1fe7, 0x1fe7) AM_WRITE(zcres_w)
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//AM_RANGE(0x1fe8, 0x1fe8) AM_WRITE(dled0_w)
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//AM_RANGE(0x1fe9, 0x1fe9) AM_WRITE(dled1_w)
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//AM_RANGE(0x1fea, 0x1fea) AM_WRITE(gentmrcl_w)
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//AM_RANGE(0x1feb, 0x1feb) AM_READ(lampst_r)
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//AM_RANGE(0x1fec, 0x1fec) AM_READ(sast_r)
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//AM_RANGE(0x1fed, 0x1fed) AM_READ(solst1_r)
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//AM_RANGE(0x1fee, 0x1fee) AM_READ(solst0_r)
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//AM_RANGE(0x1fef, 0x1fef) AM_READ(switch_r)
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AM_RANGE(0xf000, 0xffff) AM_ROM
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ADDRESS_MAP_END
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// command cpu
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static ADDRESS_MAP_START( wico_sub_map, AS_PROGRAM, 8, wico_state )
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AM_RANGE(0x0000, 0x07ff) AM_RAM // shared ram with other cpu
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//AM_RANGE(0x1fe0, 0x1fef) AM_READWRITE(io_r,io_w)
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AM_RANGE(0x4000, 0x40ff) AM_RAM //nvram
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AM_RANGE(0x0000, 0x07ff) AM_RAM AM_SHARE("sharedram") // 2128 2k RAM
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//AM_RANGE(0x1fe0, 0x1fe0) AM_WRITE(muxld_w) // to display module
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//AM_RANGE(0x1fe1, 0x1fe1) AM_WRITE(store_w) // enable save to nvram
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//AM_RANGE(0x1fe2, 0x1fe2) AM_WRITE(muxen_w) // digit to display on diagnostic LED; d0=L will disable main displays
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//AM_RANGE(0x1fe3, 0x1fe3) AM_WRITE(csols_w) // solenoid column
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//AM_RANGE(0x1fe4, 0x1fe4) AM_WRITE(msols_w) // solenoid row
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//AM_RANGE(0x1fe5, 0x1fe5) AM_DEVWRITE("sn76494", sn76494_new_device, write)
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//AM_RANGE(0x1fe6, 0x1fe6) AM_WRITE(wdogcl_w) // watchdog clear
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AM_RANGE(0x1fe7, 0x1fe7) AM_WRITE(zcres_w) // enable IRQ on maincpu
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//AM_RANGE(0x1fe8, 0x1fe8) AM_WRITE(dled0_w) // turn off diagnostic LED
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//AM_RANGE(0x1fe9, 0x1fe9) AM_WRITE(dled1_w) // turn on diagnotic LED
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//AM_RANGE(0x1fea, 0x1fea) AM_WRITE(gentmrcl_w) // enable IRQ on cpu2
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//AM_RANGE(0x1feb, 0x1feb) AM_READ(lampst_r) // lamps?
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//AM_RANGE(0x1fec, 0x1fec) AM_READ(sast_r) // a pwron pulse to d0 L->H
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//AM_RANGE(0x1fed, 0x1fed) AM_READ(solst1_r) // switches
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//AM_RANGE(0x1fee, 0x1fee) AM_READ(solst0_r) // switches
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//AM_RANGE(0x1fef, 0x1fef) AM_READ(switch_r) // switches
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AM_RANGE(0x4000, 0x40ff) AM_RAM AM_SHARE("nvram") // X2212 4bit x 256 NVRAM, stores only when store_w is active
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AM_RANGE(0x8000, 0x9fff) AM_ROM
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AM_RANGE(0xe000, 0xffff) AM_ROM
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ADDRESS_MAP_END
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@ -47,18 +99,68 @@ INPUT_PORTS_END
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void wico_state::machine_reset()
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{
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m_zcen = 0;
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m_gten = 0;
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}
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DRIVER_INIT_MEMBER(wico_state,wico)
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{
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}
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WRITE8_MEMBER( wico_state::zcres_w )
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{
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m_zcen = 1;
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}
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TIMER_DEVICE_CALLBACK_MEMBER( wico_state::irq_housekeeping )
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{
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if (m_zcen)
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generic_pulse_irq_line(m_maincpu, M6809_IRQ_LINE,1);
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}
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TIMER_DEVICE_CALLBACK_MEMBER( wico_state::firq_housekeeping )
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{
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if (!m_gten)
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generic_pulse_irq_line(m_maincpu, M6809_FIRQ_LINE,1);
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// Gen. timer irq of command CPU kicks in every 4 interrupts of this timer
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m_firqtimer++;
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if (m_firqtimer > 3)
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{
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generic_pulse_irq_line(m_cpu2, M6809_IRQ_LINE,1);
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m_firqtimer = 0;
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}
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}
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//-------------------------------------------------
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// sn76496_config psg_intf
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//-------------------------------------------------
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static const sn76496_config psg_intf =
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{
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DEVCB_NULL
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};
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static MACHINE_CONFIG_START( wico, wico_state )
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/* basic machine hardware */
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MCFG_CPU_ADD("maincpu", M6809, 10000000 / 8)
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MCFG_CPU_PROGRAM_MAP(wico_map)
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MCFG_TIMER_DRIVER_ADD_PERIODIC("irq", wico_state, irq_housekeeping, attotime::from_hz(120)) // zero crossing
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MCFG_TIMER_DRIVER_ADD_PERIODIC("firq", wico_state, firq_housekeeping, attotime::from_hz(750)) // time generator
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MCFG_CPU_ADD("cpu2", M6809, 10000000 / 8)
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MCFG_CPU_PROGRAM_MAP(wico_sub_map)
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MCFG_NVRAM_ADD_0FILL("nvram")
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/* Video */
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//MCFG_DEFAULT_LAYOUT(layout_wico)
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/* Sound */
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MCFG_FRAGMENT_ADD( genpin_audio )
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MCFG_SOUND_ADD("sn76494", SN76494, 10000000 / 8)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
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MCFG_SOUND_CONFIG(psg_intf)
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MACHINE_CONFIG_END
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/*-------------------------------------------------------------------
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@ -77,4 +179,4 @@ ROM_END
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/ Big Top (1977)
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/-------------------------------------------------------------------*/
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GAME(1984, aftor, 0, wico, wico, wico_state, wico, ROT0, "Wico", "Af-Tor", GAME_IS_SKELETON_MECHANICAL)
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GAME(1984, aftor, 0, wico, wico, wico_state, wico, ROT0, "Wico", "Af-Tor", GAME_IS_SKELETON_MECHANICAL)
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