mirror of
https://github.com/holub/mame
synced 2025-07-04 17:38:08 +03:00
mupid2: Meat to the bones
- Add SIO to memory map - Improve ROM/RAM mapping and banking - Add periodic NMI - Add palette (16 fixed colors + 16 out of 4096)
This commit is contained in:
Dirk Best
parent
7ba9c79cdd
commit
15eab04d0f
@ -17,7 +17,10 @@
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#include "cpu/z80/z80.h"
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#include "cpu/mcs48/mcs48.h"
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#include "machine/adc0808.h"
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#include "machine/ram.h"
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#include "machine/timer.h"
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#include "machine/z80sio.h"
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#include "emupal.h"
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//**************************************************************************
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@ -30,23 +33,42 @@ public:
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mupid2_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_kbdcpu(*this, "kbdcpu")
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m_kbdcpu(*this, "kbdcpu"),
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m_ram(*this, "ram"),
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m_rombank(*this, "rombank"),
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m_rambank(*this, "rambank"),
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m_palette(*this, "palette")
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{ }
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void c2a2(machine_config &config);
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void c2a2(machine_config &config);
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protected:
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virtual void machine_start() override;
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private:
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TIMER_DEVICE_CALLBACK_MEMBER(nmi);
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DECLARE_WRITE8_MEMBER(port_a0_w);
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DECLARE_WRITE8_MEMBER(port_c0_w);
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template<int C> DECLARE_WRITE8_MEMBER(palette_w);
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DECLARE_READ8_MEMBER(kbd_bus_r);
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DECLARE_READ8_MEMBER(kbd_p1_r);
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DECLARE_WRITE8_MEMBER(kbd_p1_w);
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DECLARE_WRITE8_MEMBER(kbd_p2_w);
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void palette_init(palette_device &palette);
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required_device<cpu_device> m_maincpu;
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required_device<i8035_device> m_kbdcpu;
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required_device<ram_device> m_ram;
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required_memory_bank m_rombank;
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required_memory_bank m_rambank;
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required_device<palette_device> m_palette;
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void maincpu_mem(address_map &map);
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void maincpu_io(address_map &map);
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void kbdcpu_mem(address_map &map);
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std::unique_ptr<std::array<uint8_t, 3>[]> m_color_ram;
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};
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@ -57,14 +79,20 @@ private:
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void mupid2_state::maincpu_mem(address_map &map)
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{
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map(0x0000, 0x3fff).rom();
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map(0x4000, 0xffff).ram();
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map(0x4000, 0x5fff).bankr(m_rombank);
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map(0x6000, 0x7fff).ram();
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map(0x8000, 0xffff).bankrw(m_rambank);
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}
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void mupid2_state::maincpu_io(address_map &map)
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{
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map.global_mask(0xff);
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// map(0xa0, 0xa0)
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// map(0xc0, 0xc0)
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map(0x00, 0x03).rw("sio", FUNC(z80sio_device::ba_cd_r), FUNC(z80sio_device::ba_cd_w));
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map(0xa0, 0xa0).w(FUNC(mupid2_state::port_a0_w));
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map(0xc0, 0xc0).w(FUNC(mupid2_state::port_c0_w));
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map(0xe0, 0xe0).w(FUNC(mupid2_state::palette_w<0>));
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map(0xe8, 0xe8).w(FUNC(mupid2_state::palette_w<1>));
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map(0xf0, 0xf0).w(FUNC(mupid2_state::palette_w<2>));
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}
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void mupid2_state::kbdcpu_mem(address_map &map)
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@ -103,6 +131,91 @@ WRITE8_MEMBER(mupid2_state::kbd_p2_w)
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}
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//**************************************************************************
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// VIDEO
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//**************************************************************************
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void mupid2_state::palette_init(palette_device &palette)
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{
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// first 16 colors are fixed (arbitrary, colors unknown)
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for (int i = 0; i < 16; i++)
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{
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int r = (i >> 0) & 1;
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int g = (i >> 1) & 1;
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int b = (i >> 2) & 3;
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palette.set_pen_color(i, rgb_t(pal1bit(r), pal1bit(g), pal2bit(b)));
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}
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}
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template<int C>
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WRITE8_MEMBER(mupid2_state::palette_w)
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{
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int i = data & 0x0f;
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m_color_ram[i][C] = data >> 4;
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m_palette->set_pen_color(16 + i, rgb_t(
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pal4bit(m_color_ram[i][0]),
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pal4bit(m_color_ram[i][1]),
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pal4bit(m_color_ram[i][2])
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));
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}
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//**************************************************************************
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// MACHINE
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//**************************************************************************
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void mupid2_state::machine_start()
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{
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// additional rom space
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m_rombank->configure_entries(0, 4, memregion("maincpu")->base() + 0x4000, 0x2000);
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m_rombank->set_entry(0);
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// 128k memory
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m_rambank->configure_entries(0, 4, m_ram->pointer(), 0x8000);
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m_rambank->set_entry(0);
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// allocate space for colors
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m_color_ram = make_unique_clear<std::array<uint8_t, 3>[]>(16);
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// register for save states
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save_pointer(NAME(m_color_ram), 16);
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}
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TIMER_DEVICE_CALLBACK_MEMBER(mupid2_state::nmi)
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{
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m_maincpu->pulse_input_line(INPUT_LINE_NMI, attotime::zero);
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}
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WRITE8_MEMBER(mupid2_state::port_a0_w)
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{
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logerror("port_a0_w: %02x\n", data);
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// 7------- unknown
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// -6------ unknown
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// --5----- unknown
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// ---4---- unknown
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// ----3--- unknown
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// -----2-- unknown
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// ------1- unknown
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// -------0 unknown
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}
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WRITE8_MEMBER(mupid2_state::port_c0_w)
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{
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logerror("port_c0_w: %02x\n", data);
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// 7------- unknown
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// -6------ unknown
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// --5----- unknown
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// ---4---- unknown
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// ----32-- ram bank?
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// ------1- unknown
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// -------0 unknown
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m_rambank->set_entry((data >> 2) & 0x03);
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}
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//**************************************************************************
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// MACHINE DEFINITIONS
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//**************************************************************************
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@ -113,6 +226,11 @@ void mupid2_state::c2a2(machine_config &config)
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m_maincpu->set_addrmap(AS_PROGRAM, &mupid2_state::maincpu_mem);
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m_maincpu->set_addrmap(AS_IO, &mupid2_state::maincpu_io);
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RAM(config, m_ram).set_default_size("128K");
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// timing unknown
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TIMER(config, "nmi_timer").configure_periodic(FUNC(mupid2_state::nmi), attotime::from_hz(5000));
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Z80SIO(config, "sio", 4000000);
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I8035(config, m_kbdcpu, 4000000);
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@ -123,6 +241,9 @@ void mupid2_state::c2a2(machine_config &config)
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m_kbdcpu->p2_out_cb().set(FUNC(mupid2_state::kbd_p2_w));
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M58990(config, "adc", 1000000);
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PALETTE(config, m_palette, 32);
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m_palette->set_init(DEVICE_SELF, FUNC(mupid2_state::palette_init));
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}
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@ -131,9 +252,10 @@ void mupid2_state::c2a2(machine_config &config)
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//**************************************************************************
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ROM_START( mupid2 )
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ROM_REGION(0x8000, "maincpu", 0)
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ROM_REGION(0xc000, "maincpu", 0)
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ROM_LOAD("0090.7012.40.02_27.09.85.u40", 0x0000, 0x4000, CRC(0b320f46) SHA1(064e1b1697b9b767f89be7c1e3d20e1157324791))
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ROM_LOAD("0090.7012.39.02_27.09.85.u39", 0x4000, 0x4000, CRC(b2fb634c) SHA1(70ced48d0a27a661ddd7fbc529a891bd0bcec926))
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ROM_RELOAD(0x8000, 0x4000)
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ROM_REGION(0x800, "kbdcpu", 0)
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ROM_LOAD("motronic_0090.6820.06.00", 0x000, 0x400, CRC(78b6d827) SHA1(200f2b33c518a889f8c6a5f4dd4443ac76884b21))
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@ -151,9 +273,10 @@ ROM_START( mupid2i )
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ROM_END
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ROM_START( ptc100 )
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ROM_REGION(0x8000, "maincpu", 0)
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ROM_REGION(0xc000, "maincpu", 0)
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ROM_LOAD("mup.u40", 0x0000, 0x4000, CRC(b4ac8ccb) SHA1(01bc818ec571d099176b6f69aaa736bb5410dd8e))
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ROM_LOAD("mup.u39", 0x4000, 0x4000, CRC(9812fefc) SHA1(bb4e69eba504dae6065094d9668be2b0478b0433))
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ROM_RELOAD(0x8000, 0x4000)
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ROM_REGION(0x800, "kbdcpu", 0)
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ROM_LOAD("kbc.bin", 0x000, 0x400, CRC(72502f02) SHA1(4adb5c55691e1c53a3364d97e64d194be4886b52))
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