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author arbee <rb6502@users.noreply.github.com>2018-11-18 09:26:04 -0500
committer arbee <rb6502@users.noreply.github.com>2018-11-18 09:26:04 -0500
commit1ec42e6f5548b3f2389813f1800990ba5772f034 (patch)
treee1de1fbda45f0f3cc4717678f9f157a04ac85f1a
parent42df39de988b22b3e744d122b0b60e07544329f8 (diff)
Helps to include this (nw)
-rw-r--r--src/mame/drivers/ncdmips.cpp156
1 files changed, 156 insertions, 0 deletions
diff --git a/src/mame/drivers/ncdmips.cpp b/src/mame/drivers/ncdmips.cpp
new file mode 100644
index 00000000000..f00505fb60d
--- /dev/null
+++ b/src/mame/drivers/ncdmips.cpp
@@ -0,0 +1,156 @@
+// license:BSD-3-Clause
+// copyright-holders:R. Belmont
+/****************************************************************************
+
+ drivers/ncdmips.cpp
+ NCD MIPS-based color X terminals
+
+ Hardware:
+ - R4600 CPU
+ - 2681 DUART (Logitech serial mouse)
+ - AM79C950 Ethernet
+ - AT&T ATT21C505 "PrecisionDAC" for audio out
+ - PS/2 keyboard port
+
+****************************************************************************/
+
+#include "emu.h"
+#include "bus/rs232/rs232.h"
+#include "cpu/mips/mips3.h"
+#include "machine/mc68681.h"
+#include "screen.h"
+
+class ncd_mips_state : public driver_device
+{
+public:
+ ncd_mips_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu"),
+ m_screen(*this, "screen"),
+ m_mainram(*this, "mainram"),
+ m_duart(*this, "duart")
+ {
+ }
+
+ void hmxpro(machine_config &config);
+ void hmxpro_map(address_map &map);
+
+ uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+
+ DECLARE_WRITE_LINE_MEMBER(duart_irq_handler);
+ INTERRUPT_GEN_MEMBER(vblank);
+
+private:
+ virtual void machine_reset() override;
+
+ required_device<cpu_device> m_maincpu;
+ required_device<screen_device> m_screen;
+ optional_shared_ptr<uint32_t> m_mainram;
+ required_device<scn2681_device> m_duart;
+
+ DECLARE_READ32_MEMBER(unk_r);
+ DECLARE_WRITE32_MEMBER(tty_w);
+
+ inline void ATTR_PRINTF(3,4) verboselog( int n_level, const char *s_fmt, ... );
+
+// u32 m_palette[256];
+// u8 m_r, m_g, m_b, m_entry, m_stage;
+};
+
+
+#define VERBOSE_LEVEL ( 0 )
+
+#define ENABLE_VERBOSE_LOG (0)
+
+inline void ATTR_PRINTF(3,4) ncd_mips_state::verboselog( int n_level, const char *s_fmt, ... )
+{
+#if ENABLE_VERBOSE_LOG
+ if( VERBOSE_LEVEL >= n_level )
+ {
+ va_list v;
+ char buf[ 32768 ];
+ va_start( v, s_fmt );
+ vsprintf( buf, s_fmt, v );
+ va_end( v );
+ logerror("%s: %s", machine().describe_context(), buf);
+ }
+#endif
+}
+
+void ncd_mips_state::machine_reset()
+{
+// m_entry = 0;
+// m_stage = 0;
+// m_r = m_g = m_b = 0;
+}
+
+INTERRUPT_GEN_MEMBER(ncd_mips_state::vblank)
+{
+}
+
+
+uint32_t ncd_mips_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
+{
+ return 0;
+}
+
+READ32_MEMBER(ncd_mips_state::unk_r)
+{
+ return 0xffffffff;
+}
+
+WRITE32_MEMBER(ncd_mips_state::tty_w)
+{
+ printf("%c", (data>>16) & 0x7f);
+}
+
+void ncd_mips_state::hmxpro_map(address_map &map)
+{
+ map(0x00000000, 0x003fffff).ram(); // VRAM
+ map(0x10000000, 0x103fffff).ram();
+ map(0x18000028, 0x1900002b).r(FUNC(ncd_mips_state::unk_r));
+ map(0x18000058, 0x1800005b).w(FUNC(ncd_mips_state::tty_w));
+ map(0x19000010, 0x19000013).r(FUNC(ncd_mips_state::unk_r));
+ map(0x1b000000, 0x1b00007f).rw(m_duart, FUNC(scn2681_device::read), FUNC(scn2681_device::write)).umask32(0xff000000);
+
+ map(0x1fc00000, 0x1fc3ffff).rom().region("maincpu", 0);
+ map(0x20000000, 0x207fffff).ram();
+}
+
+WRITE_LINE_MEMBER(ncd_mips_state::duart_irq_handler)
+{
+ //m_maincpu->set_input_line_and_vector(M68K_IRQ_6, state, M68K_INT_ACK_AUTOVECTOR);
+}
+
+void ncd_mips_state::hmxpro(machine_config &config)
+{
+ /* basic machine hardware */
+ R4600BE(config, m_maincpu, 50000000);
+ m_maincpu->set_addrmap(AS_PROGRAM, &ncd_mips_state::hmxpro_map);
+ m_maincpu->set_periodic_int(FUNC(ncd_mips_state::vblank), attotime::from_hz(70.06));
+
+ SCN2681(config, m_duart, 3.6864_MHz_XTAL);
+ m_duart->irq_cb().set(FUNC(ncd_mips_state::duart_irq_handler));
+
+ SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
+ m_screen->set_raw(77.4144_MHz_XTAL, 1376, 0, 1024, 803, 0, 768);
+ m_screen->set_screen_update(FUNC(ncd_mips_state::screen_update));
+}
+
+static INPUT_PORTS_START( hmxpro )
+INPUT_PORTS_END
+
+/***************************************************************************
+
+ ROM definition(s)
+
+***************************************************************************/
+
+ROM_START( hmxpro )
+ ROM_REGION32_BE(0x40000, "maincpu", 0)
+ ROM_LOAD16_BYTE( "ncdhmx_bm_v2.7.2_b0e.bin", 0x000000, 0x020000, CRC(66072e5c) SHA1(a12dbd3befda55f755e684ba6e5c3b067f2ded93) )
+ ROM_LOAD16_BYTE( "ncdhmx_bm_v2.7.2_b0o.bin", 0x000001, 0x020000, CRC(7f7af795) SHA1(5b31bda8cb42dfb52869d29637fe415e43aa53f4) )
+ROM_END
+
+// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
+COMP( 1994, hmxpro, 0, 0, hmxpro, hmxpro, ncd_mips_state, empty_init, "Network Computing Devices", "NCD HMX PRO", MACHINE_NOT_WORKING|MACHINE_NO_SOUND )