// license:BSD-3-Clause // copyright-holders:Barry Rodewald /* * svga_trident.c * * Created on: 6/09/2014 */ #include "emu.h" #include "svga_trident.h" #include "video/pc_vga.h" #include "screen.h" ROM_START( tgui9680 ) ROM_REGION( 0x8000, "tgui9680", 0 ) ROM_LOAD16_BYTE( "trident_tgui9680_bios.bin", 0x0000, 0x4000, CRC(1eebde64) SHA1(67896a854d43a575037613b3506aea6dae5d6a19) ) ROM_CONTINUE( 0x0001, 0x4000 ) ROM_END //************************************************************************** // GLOBAL VARIABLES //************************************************************************** DEFINE_DEVICE_TYPE(ISA16_SVGA_TGUI9680, isa16_svga_tgui9680_device, "tgui9680", "Trident TGUI9680 Graphics Card (BIOS X5.5 (02) 02/13/96)") //------------------------------------------------- // device_add_mconfig - add device configuration //------------------------------------------------- void isa16_svga_tgui9680_device::device_add_mconfig(machine_config &config) { screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_raw(XTAL(25'174'800), 900, 0, 640, 526, 0, 480); screen.set_screen_update("vga", FUNC(trident_vga_device::screen_update)); TRIDENT_VGA(config, "vga", 0).set_screen("screen"); } //------------------------------------------------- // rom_region - device-specific ROM region //------------------------------------------------- const tiny_rom_entry *isa16_svga_tgui9680_device::device_rom_region() const { return ROM_NAME( tgui9680 ); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // isa8_vga_device - constructor //------------------------------------------------- isa16_svga_tgui9680_device::isa16_svga_tgui9680_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, ISA16_SVGA_TGUI9680, tag, owner, clock), device_isa16_card_interface(mconfig, *this), m_vga(nullptr) { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- READ8_MEMBER(isa16_svga_tgui9680_device::input_port_0_r ) { return 0xff; } //return machine().root_device().ioport("IN0")->read(); } void isa16_svga_tgui9680_device::device_start() { set_isa_device(); m_vga = subdevice("vga"); m_isa->install_rom(this, 0xc0000, 0xc7fff, "tgui9680", "tgui9680"); m_isa->install_device(0x3b0, 0x3bf, read8_delegate(FUNC(trident_vga_device::port_03b0_r),m_vga), write8_delegate(FUNC(trident_vga_device::port_03b0_w),m_vga)); m_isa->install_device(0x3c0, 0x3cf, read8_delegate(FUNC(trident_vga_device::port_03c0_r),m_vga), write8_delegate(FUNC(trident_vga_device::port_03c0_w),m_vga)); m_isa->install_device(0x3d0, 0x3df, read8_delegate(FUNC(trident_vga_device::port_03d0_r),m_vga), write8_delegate(FUNC(trident_vga_device::port_03d0_w),m_vga)); m_isa->install_device(0x43c4, 0x43cb, read8_delegate(FUNC(trident_vga_device::port_43c6_r),m_vga), write8_delegate(FUNC(trident_vga_device::port_43c6_w),m_vga)); m_isa->install_device(0x83c4, 0x83cb, read8_delegate(FUNC(trident_vga_device::port_83c6_r),m_vga), write8_delegate(FUNC(trident_vga_device::port_83c6_w),m_vga)); m_isa->install_memory(0xa0000, 0xbffff, read8_delegate(FUNC(trident_vga_device::mem_r),m_vga), write8_delegate(FUNC(trident_vga_device::mem_w),m_vga)); // uncomment to test Windows 3.1 TGUI9440AGi driver // m_isa->install_memory(0x4400000, 0x45fffff, read8_delegate(FUNC(trident_vga_device::vram_r),m_vga), write8_delegate(FUNC(trident_vga_device::vram_w),m_vga)); // win95 drivers // m_isa->install_memory(0x4000000, 0x41fffff, read8_delegate(FUNC(trident_vga_device::vram_r),m_vga), write8_delegate(FUNC(trident_vga_device::vram_w),m_vga)); // acceleration ports m_isa->install_device(0x2120, 0x21ff, read8_delegate(FUNC(trident_vga_device::accel_r),m_vga), write8_delegate(FUNC(trident_vga_device::accel_w),m_vga)); } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void isa16_svga_tgui9680_device::device_reset() { }