diff options
Diffstat (limited to 'src/devices/bus/isa/svga_trident.c')
-rw-r--r-- | src/devices/bus/isa/svga_trident.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/devices/bus/isa/svga_trident.c b/src/devices/bus/isa/svga_trident.c new file mode 100644 index 00000000000..affbf97a6a5 --- /dev/null +++ b/src/devices/bus/isa/svga_trident.c @@ -0,0 +1,107 @@ +// 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" + + +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 +//************************************************************************** + +const device_type ISA16_SVGA_TGUI9680 = &device_creator<isa16_svga_tgui9680_device>; + + +static MACHINE_CONFIG_FRAGMENT( vga_trident ) + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_RAW_PARAMS(XTAL_25_1748MHz,900,0,640,526,0,480) + MCFG_SCREEN_UPDATE_DEVICE("vga", trident_vga_device, screen_update) + + MCFG_PALETTE_ADD("palette", 0x100) + + MCFG_DEVICE_ADD("vga", TRIDENT_VGA, 0) +MACHINE_CONFIG_END + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor isa16_svga_tgui9680_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( vga_trident ); +} + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const 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 clock) : + device_t(mconfig, ISA16_SVGA_TGUI9680, "Trident TGUI9680 Graphics Card (BIOS X5.5 (02) 02/13/96)", tag, owner, clock, "tgui9680", __FILE__), + device_isa16_card_interface(mconfig, *this) +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- +READ8_MEMBER(isa16_svga_tgui9680_device::input_port_0_r ) { return 0xff; } //return space.machine().root_device().ioport("IN0")->read(); } + +void isa16_svga_tgui9680_device::device_start() +{ + set_isa_device(); + + m_vga = subdevice<trident_vga_device>("vga"); + + m_isa->install_rom(this, 0xc0000, 0xc7fff, 0, 0, "tgui9680", "tgui9680"); + + m_isa->install_device(0x3b0, 0x3bf, 0, 0, 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, 0, 0, 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, 0, 0, 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, 0, 0, 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, 0, 0, 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, 0, 0, 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, 0, 0, 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, 0, 0, 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, 0, 0, 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() +{ +} |