/*************************************************************************** ISA VGA wrapper ***************************************************************************/ #include "emu.h" #include "isa_vga.h" #include "video/pc_vga.h" ROM_START( ibm_vga ) ROM_REGION(0x8000,"ibm_vga", 0) ROM_LOAD("ibm-vga.bin", 0x00000, 0x8000, BAD_DUMP CRC(74e3fadb) SHA1(dce6491424f1726203776dfae9a967a98a4ba7b5) ) ROM_END //************************************************************************** // GLOBAL VARIABLES //************************************************************************** const device_type ISA8_VGA = &device_creator; //------------------------------------------------- // machine_config_additions - device-specific // machine configurations //------------------------------------------------- machine_config_constructor isa8_vga_device::device_mconfig_additions() const { return MACHINE_CONFIG_NAME( pcvideo_vga ); } //------------------------------------------------- // rom_region - device-specific ROM region //------------------------------------------------- const rom_entry *isa8_vga_device::device_rom_region() const { return ROM_NAME( ibm_vga ); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // isa8_vga_device - constructor //------------------------------------------------- isa8_vga_device::isa8_vga_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, ISA8_VGA, "IBM VGA Graphics Card", tag, owner, clock, "ibm_vga", __FILE__), device_isa8_card_interface(mconfig, *this) { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- READ8_MEMBER( isa8_vga_device::input_port_0_r ) { return 0xff; } //return space.machine().root_device().ioport("IN0")->read(); } void isa8_vga_device::device_start() { set_isa_device(); m_vga = subdevice("vga"); m_isa->install_rom(this, 0xc0000, 0xc7fff, 0, 0, "ibm_vga", "ibm_vga"); m_isa->install_device(0x3b0, 0x3bf, 0, 0, read8_delegate(FUNC(vga_device::port_03b0_r),m_vga), write8_delegate(FUNC(vga_device::port_03b0_w),m_vga)); m_isa->install_device(0x3c0, 0x3cf, 0, 0, read8_delegate(FUNC(vga_device::port_03c0_r),m_vga), write8_delegate(FUNC(vga_device::port_03c0_w),m_vga)); m_isa->install_device(0x3d0, 0x3df, 0, 0, read8_delegate(FUNC(vga_device::port_03d0_r),m_vga), write8_delegate(FUNC(vga_device::port_03d0_w),m_vga)); m_isa->install_memory(0xa0000, 0xbffff, 0, 0, read8_delegate(FUNC(vga_device::mem_r),m_vga), write8_delegate(FUNC(vga_device::mem_w),m_vga)); } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void isa8_vga_device::device_reset() { }