mirror of
https://github.com/holub/mame
synced 2025-04-23 08:49:55 +03:00
mks3: first hle
This commit is contained in:
Olivier Galibert
parent
d73c21c097
commit
3b7969802f
@ -41,6 +41,7 @@ swx00_device::swx00_device(const machine_config &mconfig, const char *tag, devic
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m_read_pad(*this, 0xff),
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m_write_pad(*this),
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m_write_cmah(*this),
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m_write_txd(*this),
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m_s_config("s", ENDIANNESS_BIG, 16, 24, -1),
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m_mode(mode),
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m_syscr(0)
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@ -53,6 +54,7 @@ swx00_device::swx00_device(const machine_config &mconfig, const char *tag, devic
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m_read_pad.bind().set(*this, FUNC(swx00_device::pad_default_r));
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m_write_pad.bind().set(*this, FUNC(swx00_device::pad_default_w));
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m_write_cmah.bind().set(*this, FUNC(swx00_device::cmah_default_w));
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m_write_txd.bind().set(*this, FUNC(swx00_device::txd_default_w));
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}
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u16 swx00_device::s_r(offs_t offset)
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@ -71,7 +73,7 @@ void swx00_device::map(address_map &map)
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map(0xffe028, 0xffe029).w(FUNC(swx00_device::pdt_ddr_w));
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map(0xffe02a, 0xffe02b).rw(FUNC(swx00_device::pdt_r), FUNC(swx00_device::pdt_w));
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map(0xffe02d, 0xffe02d).w(FUNC(swx00_device::cmah_w));
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map(0xffe02e, 0xffe02e).w(FUNC(swx00_device::txd_w));
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map(0xffe02f, 0xffe02f).lr8(NAME([]() -> uint8_t { return 0xff; }));
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map(0xfff000, 0xfffbff).ram();
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@ -305,10 +307,11 @@ void swx00_device::device_add_mconfig(machine_config &config)
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h8_timer16_channel_device::INPUT_C,
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h8_timer16_channel_device::DIV_256,
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h8_timer16_channel_device::INPUT_D);
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H8_SCI(config, m_sci[2], 2, *this, m_intc, 88, 89, 90, 91);
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H8_WATCHDOG(config, m_watchdog, *this, m_intc, 25, h8_watchdog_device::S);
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H8_SCI(config, m_sci[0], 0, *this, m_intc, 80, 81, 82, 83);
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H8_SCI(config, m_sci[1], 1, *this, m_intc, 84, 85, 86, 87);
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H8_SCI(config, m_sci[2], 2, *this, m_intc, 88, 89, 90, 91);
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SWX00_SOUND(config, m_swx00);
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m_swx00->set_space(DEVICE_SELF, AS_S);
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@ -516,6 +519,11 @@ void swx00_device::cmah_default_w(u8 data)
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logerror("write of un-hooked port cmah %02x\n", data);
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}
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void swx00_device::txd_default_w(u8 data)
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{
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logerror("write of un-hooked port txd %02x\n", data);
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}
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void swx00_device::pdt_ddr_w(offs_t, u16 data, u16 mem_mask)
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{
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COMBINE_DATA(&m_pdt_ddr);
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@ -547,3 +555,8 @@ void swx00_device::cmah_w(u8 data)
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m_write_cmah(data);
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}
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void swx00_device::txd_w(u8 data)
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{
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m_write_txd(data);
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}
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@ -58,6 +58,7 @@ public:
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auto read_pad() { return m_read_pad.bind(); }
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auto write_pad() { return m_write_pad.bind(); }
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auto write_cmah() { return m_write_cmah.bind(); }
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auto write_txd() { return m_write_txd.bind(); }
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u8 syscr_r();
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void syscr_w(u8 data);
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@ -99,6 +100,7 @@ protected:
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devcb_read8 m_read_pad;
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devcb_write8 m_write_pad;
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devcb_write8 m_write_cmah;
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devcb_write8 m_write_txd;
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address_space_config m_s_config;
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@ -129,12 +131,14 @@ protected:
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u8 pad_r();
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void pad_w(u8 data);
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void cmah_w(u8 data);
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void txd_w(u8 data);
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u16 pdt_default_r();
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void pdt_default_w(u16 data);
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u8 pad_default_r();
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void pad_default_w(u8 data);
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void cmah_default_w(u8 data);
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void txd_default_w(u8 data);
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void map(address_map &map);
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237
src/mame/yamaha/mks3.cpp
Normal file
237
src/mame/yamaha/mks3.cpp
Normal file
@ -0,0 +1,237 @@
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// license:BSD-3-Clause
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// copyright-holders:Olivier Galibert
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// HLE emulation of the MKS3 keyboard scanning PCB used in the psr340
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// and psr540 among others.
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// Uses a 63B05 with a not-yet-dumped internal rom
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// Messages 0x81 and 0x82 are special, but not understood.
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// What should happen so that the test mode works is not understood either.
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#include "emu.h"
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#include "mks3.h"
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DEFINE_DEVICE_TYPE(MKS3, mks3_device, "mks3", "Yamaha MKS3 piano keyboard scanner")
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static INPUT_PORTS_START(piano)
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PORT_START("P0")
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PORT_BIT(0xffffffff, IP_ACTIVE_HIGH, IPT_UNUSED)
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PORT_START("P1")
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PORT_BIT(0x0000000f, IP_ACTIVE_HIGH, IPT_UNUSED)
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PORT_BIT(0x00000010, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("C2")
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PORT_BIT(0x00000020, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("C2#")
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PORT_BIT(0x00000040, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("D2")
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PORT_BIT(0x00000080, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("D2#")
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PORT_BIT(0x00000100, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("E2")
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PORT_BIT(0x00000200, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("F2")
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PORT_BIT(0x00000400, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("F2#")
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PORT_BIT(0x00000800, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("G2")
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PORT_BIT(0x00001000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("G2#")
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PORT_BIT(0x00002000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("A2")
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PORT_BIT(0x00004000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("A2#")
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PORT_BIT(0x00008000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("B2")
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PORT_BIT(0x00010000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("C3")
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PORT_BIT(0x00020000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("C3#")
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PORT_BIT(0x00040000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("D3")
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PORT_BIT(0x00080000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("D3#")
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PORT_BIT(0x00100000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("E3")
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PORT_BIT(0x00200000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("F3")
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PORT_BIT(0x00400000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("F3#")
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PORT_BIT(0x00800000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("G3")
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PORT_BIT(0x01000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("G3#")
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PORT_BIT(0x02000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("A3")
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PORT_BIT(0x04000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("A3#")
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PORT_BIT(0x08000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("B3")
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PORT_BIT(0x10000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("C4")
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PORT_BIT(0x20000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("C4#")
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PORT_BIT(0x40000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("D4")
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PORT_BIT(0x80000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("D4#")
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PORT_START("P2")
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PORT_BIT(0x00000001, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("E4")
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PORT_BIT(0x00000002, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("F4")
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PORT_BIT(0x00000004, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("F4#")
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PORT_BIT(0x00000008, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("G4")
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PORT_BIT(0x00000010, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("G4#")
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PORT_BIT(0x00000020, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("A4")
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PORT_BIT(0x00000040, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("A4#")
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PORT_BIT(0x00000080, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("B4")
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PORT_BIT(0x00000100, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("C5")
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PORT_BIT(0x00000200, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("C5#")
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PORT_BIT(0x00000400, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("D5")
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PORT_BIT(0x00000800, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("D5#")
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PORT_BIT(0x00001000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("E5")
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PORT_BIT(0x00002000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("F5")
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PORT_BIT(0x00004000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("F5#")
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PORT_BIT(0x00008000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("G5")
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PORT_BIT(0x00010000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("G5#")
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PORT_BIT(0x00020000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("A5")
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PORT_BIT(0x00040000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("A5#")
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PORT_BIT(0x00080000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("B5")
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PORT_BIT(0x00100000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("C6")
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PORT_BIT(0x00200000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("C6#")
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PORT_BIT(0x00400000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("D6")
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PORT_BIT(0x00800000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("D6#")
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PORT_BIT(0x01000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("E6")
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PORT_BIT(0x02000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("F6")
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PORT_BIT(0x04000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("F6#")
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PORT_BIT(0x08000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("G6")
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PORT_BIT(0x10000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("G6#")
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PORT_BIT(0x20000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("A6")
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PORT_BIT(0x40000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("A6#")
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PORT_BIT(0x80000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("B6")
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PORT_START("P3")
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PORT_BIT(0x00000001, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_NAME("C7")
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PORT_BIT(0xfffffffe, IP_ACTIVE_HIGH, IPT_UNUSED)
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INPUT_PORTS_END
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mks3_device::mks3_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
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device_t(mconfig, MKS3, tag, owner, clock),
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m_port(*this, "P%d", 0),
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m_write_da(*this),
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m_write_clk(*this)
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{
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}
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ioport_constructor mks3_device::device_input_ports() const
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{
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return INPUT_PORTS_NAME(piano);
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}
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void mks3_device::device_start()
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{
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save_item(NAME(m_ic));
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save_item(NAME(m_req));
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save_item(NAME(m_step));
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save_item(NAME(m_byte));
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save_item(NAME(m_bytes));
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save_item(NAME(m_byte_count));
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save_item(NAME(m_sent_state));
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save_item(NAME(m_current_state));
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m_ic = 1;
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m_req = 1;
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m_scan_timer = timer_alloc(FUNC(mks3_device::scan_tick), this);
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m_transmit_timer = timer_alloc(FUNC(mks3_device::transmit_tick), this);
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}
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void mks3_device::device_reset()
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{
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m_write_da(1);
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m_write_clk(1);
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m_step = 0xff;
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m_byte = 0;
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m_byte_count = 0;
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std::fill(m_bytes.begin(), m_bytes.end(), 0);
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std::fill(m_sent_state.begin(), m_sent_state.end(), 0);
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for(int i=0; i != 4; i++)
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m_current_state[i] = m_port[i]->read();
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m_scan_timer->adjust(attotime::from_hz(100), 0, attotime::from_hz(100));
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}
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void mks3_device::ic_w(int state)
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{
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if(state == m_ic)
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return;
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m_ic = state;
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if(!m_ic)
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reset();
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}
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void mks3_device::req_w(int state)
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{
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if(state == m_req)
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return;
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m_req = state;
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if(m_req == 0)
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transmit_next();
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}
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TIMER_CALLBACK_MEMBER(mks3_device::transmit_tick)
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{
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if(m_step == 15) {
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transmit_next();
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return;
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}
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if(m_step & 1) {
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m_write_clk(0);
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m_write_da(BIT(m_byte, 6 - (m_step >> 1)));
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} else
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m_write_clk(1);
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m_step++;
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m_transmit_timer->adjust(attotime::from_hz(500000));
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}
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void mks3_device::transmit_next()
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{
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if(m_byte_count == 0) {
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m_step = 0xff;
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send_next();
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return;
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}
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m_byte = m_bytes[0];
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m_byte_count --;
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if(m_byte_count)
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memmove(m_bytes.data(), m_bytes.data() + 1, m_byte_count);
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logerror("start %02x\n", m_byte);
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m_write_clk(0);
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m_write_da(BIT(m_byte, 7));
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m_step = 0;
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m_transmit_timer->adjust(attotime::from_hz(500000));
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}
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u32 mks3_device::find_next()
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{
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for(int i=0; i != 4; i++)
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if(m_current_state[i] != m_sent_state[i])
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for(int j=0; j != 32; j++)
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if(BIT(m_current_state[i]^m_sent_state[i], j)) {
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m_sent_state[i] ^= 1 << j;
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return (i << 5) | j | (BIT(m_current_state[i], j) ? 0x100 : 0);
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}
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return 0xffffffff;
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}
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void mks3_device::send_next()
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{
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u32 key = find_next();
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if(key == 0xffffffff)
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return;
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// velocity is 10 bits, 0 = max, 3ff = min
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//
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// 80 | key number
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// 20 for keyoff, velocity >> 5 otherwise
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// 60 | (velocity & 1f)
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m_bytes[0] = 0x80 | (key & 0x7f);
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m_bytes[1] = key & 0x100 ? 0 : 0x20;
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m_bytes[2] = 0x60;
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m_byte_count = 3;
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transmit_next();
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}
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TIMER_CALLBACK_MEMBER(mks3_device::scan_tick)
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{
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for(int i=0; i != 4; i++)
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m_current_state[i] = m_port[i]->read();
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if(m_step == 0xff)
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send_next();
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}
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53
src/mame/yamaha/mks3.h
Normal file
53
src/mame/yamaha/mks3.h
Normal file
@ -0,0 +1,53 @@
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// license:BSD-3-Clause
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// copyright-holders:Olivier Galibert
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// HLE emulation of the MKS3 keyboard scanning PCB used in the psr340
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// and psr540 among others.
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// Uses a 63B05 with a not-yet-dumped internal rom
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#ifndef MAME_YAMAHA_MKS3_H
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#define MAME_YAMAHA_MKS3_H
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#pragma once
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DECLARE_DEVICE_TYPE(MKS3, mks3_device)
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class mks3_device : public device_t
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{
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public:
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mks3_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
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void ic_w(int state);
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void req_w(int state);
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auto write_da() { return m_write_da.bind(); }
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auto write_clk() { return m_write_clk.bind(); }
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protected:
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virtual void device_start() override;
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virtual void device_reset() override;
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virtual ioport_constructor device_input_ports() const override;
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private:
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required_ioport_array<4> m_port;
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devcb_write_line m_write_da;
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devcb_write_line m_write_clk;
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emu_timer *m_scan_timer, *m_transmit_timer;
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std::array<u8, 3> m_bytes;
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std::array<u32, 4> m_sent_state;
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std::array<u32, 4> m_current_state;
|
||||
|
||||
int m_ic, m_req;
|
||||
u8 m_step, m_byte, m_byte_count;
|
||||
|
||||
u32 find_next();
|
||||
void send_next();
|
||||
void transmit_next();
|
||||
TIMER_CALLBACK_MEMBER(transmit_tick);
|
||||
TIMER_CALLBACK_MEMBER(scan_tick);
|
||||
};
|
||||
|
||||
#endif
|
||||
@ -22,6 +22,8 @@
|
||||
#include "video/hd44780.h"
|
||||
#include "bus/midi/midi.h"
|
||||
|
||||
#include "mks3.h"
|
||||
|
||||
#include "emupal.h"
|
||||
#include "screen.h"
|
||||
#include "speaker.h"
|
||||
@ -35,6 +37,7 @@ public:
|
||||
psr340_state(const machine_config &mconfig, device_type type, const char *tag) :
|
||||
driver_device(mconfig, type, tag),
|
||||
m_maincpu(*this, "maincpu"),
|
||||
m_mks3(*this, "mks3"),
|
||||
m_lcdc(*this, "ks0066"),
|
||||
m_outputs(*this, "%02d.%x.%x", 0U, 0U, 0U),
|
||||
m_key(*this, "S%c", 'A')
|
||||
@ -48,6 +51,7 @@ protected:
|
||||
|
||||
private:
|
||||
required_device<swx00_device> m_maincpu;
|
||||
required_device<mks3_device> m_mks3;
|
||||
required_device<hd44780_device> m_lcdc;
|
||||
output_finder<80, 8, 5> m_outputs;
|
||||
required_ioport_array<8> m_key;
|
||||
@ -57,11 +61,11 @@ private:
|
||||
|
||||
void pdt_w(u16 data);
|
||||
u8 pad_r();
|
||||
void txd_w(u8 data);
|
||||
|
||||
void render_w(int state);
|
||||
|
||||
u8 m_matrixsel = 0U;
|
||||
u8 matrix_r();
|
||||
};
|
||||
|
||||
u8 psr340_state::pad_r()
|
||||
@ -81,14 +85,20 @@ u8 psr340_state::pad_r()
|
||||
|
||||
void psr340_state::pdt_w(u16 data)
|
||||
{
|
||||
// bit 11 = E, bit 12 = RS, R/W is connected to GND so write-only
|
||||
// bit 14 = mks3 ic, bit 11 = E, bit 12 = RS, R/W is connected to GND so write-only
|
||||
// all bits are also matrix select for reading the controls
|
||||
m_mks3->ic_w(BIT(data, 14));
|
||||
m_lcdc->rs_w(BIT(data, 12));
|
||||
m_lcdc->e_w(BIT(data, 11));
|
||||
m_lcdc->db_w(data);
|
||||
m_matrixsel = data;
|
||||
}
|
||||
|
||||
void psr340_state::txd_w(u8 data)
|
||||
{
|
||||
m_mks3->req_w(BIT(data, 1));
|
||||
}
|
||||
|
||||
void psr340_state::c_map(address_map &map)
|
||||
{
|
||||
map(0x000000, 0x1fffff).rom().region("maincpu", 0); // cs0
|
||||
@ -104,6 +114,7 @@ void psr340_state::s_map(address_map &map)
|
||||
|
||||
void psr340_state::machine_start()
|
||||
{
|
||||
save_item(NAME(m_matrixsel));
|
||||
m_outputs.resolve();
|
||||
}
|
||||
|
||||
@ -269,11 +280,16 @@ void psr340_state::psr340(machine_config &config)
|
||||
|
||||
m_maincpu->write_pdt().set(FUNC(psr340_state::pdt_w));
|
||||
m_maincpu->read_pad().set(FUNC(psr340_state::pad_r));
|
||||
m_maincpu->write_txd().set(FUNC(psr340_state::txd_w));
|
||||
|
||||
// mks3 is connected to sclki, sync comms on sci1
|
||||
// something generates 500K for sci0, probably internal to the swx00
|
||||
m_maincpu->sci_set_external_clock_period(0, attotime::from_hz(500000));
|
||||
|
||||
MKS3(config, m_mks3);
|
||||
m_mks3->write_da().set(m_maincpu, FUNC(swx00_device::sci_rx_w<1>));
|
||||
m_mks3->write_clk().set(m_maincpu, FUNC(swx00_device::sci_clk_w<1>));
|
||||
|
||||
KS0066(config, m_lcdc, 270'000); // 91K resistor
|
||||
m_lcdc->set_default_bios_tag("f05");
|
||||
m_lcdc->set_lcd_size(2, 40);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user