From 1ec42e6f5548b3f2389813f1800990ba5772f034 Mon Sep 17 00:00:00 2001 From: arbee Date: Sun, 18 Nov 2018 09:26:04 -0500 Subject: Helps to include this (nw) --- src/mame/drivers/ncdmips.cpp | 156 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 156 insertions(+) create mode 100644 src/mame/drivers/ncdmips.cpp 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 m_maincpu; + required_device m_screen; + optional_shared_ptr m_mainram; + required_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 ) -- cgit v1.2.3