// license:BSD-3-Clause // copyright-holders:Angelo Salese /************************************************************************************************** OAK OTI Spitfire PCI cards VBE 1.2, XGA TODO: - can strap base class and header to be multifunction **************************************************************************************************/ #include "emu.h" #include "oti_spitfire.h" #define LOG_WARN (1U << 1) #define VERBOSE (LOG_GENERAL | LOG_WARN) //#define LOG_OUTPUT_FUNC osd_printf_info #include "logmacro.h" #define LOGWARN(...) LOGMASKED(LOG_WARN, __VA_ARGS__) //OTI-64105 //OTI-64107 DEFINE_DEVICE_TYPE(OTI64111_PCI, oti64111_pci_device, "oti64111_pci", "OTI-64111 \"Spitfire\"") //OTI-64217 //OTI-64317 oti64111_pci_device::oti64111_pci_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) : pci_card_device(mconfig, type, tag, owner, clock) , m_svga(*this, "svga") , m_vga_rom(*this, "vga_rom") { // Rev C set_ids(0x104e0111, 0x30, 0x030000, 0x104e0111); } oti64111_pci_device::oti64111_pci_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : oti64111_pci_device(mconfig, OTI64111_PCI, tag, owner, clock) { } ROM_START( oti64111 ) ROM_REGION32_LE( 0x8000, "vga_rom", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS( 0, "spitfire", "v111.20 10/10/96" ) ROMX_LOAD( "ot64111spitfire.vbi", 0x0000, 0x8000, CRC(fb031e98) SHA1(16826d93bc2a09d91b52cca3f72447501daee2d2), ROM_BIOS(0) ) ROM_END const tiny_rom_entry *oti64111_pci_device::device_rom_region() const { return ROM_NAME(oti64111); } void oti64111_pci_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(m_svga, FUNC(oak_oti111_vga_device::screen_update)); OTI111(config, m_svga, 0); m_svga->set_screen("screen"); m_svga->set_vram_size(4*1024*1024); } void oti64111_pci_device::device_start() { pci_card_device::device_start(); add_map( 256, M_MEM, FUNC(oti64111_pci_device::mmio_map)); add_map(8*1024*1024, M_MEM, FUNC(oti64111_pci_device::vram_aperture_map)); add_map( 256, M_IO, FUNC(oti64111_pci_device::extio_map)); add_rom((u8 *)m_vga_rom->base(), 0x8000); expansion_rom_base = 0xc0000; // INTA# intr_pin = 1; // TODO: (default?) min_gnt = 0xff, max_lat = 0x01 } void oti64111_pci_device::device_reset() { pci_card_device::device_reset(); // enable address/data stepping, enable bus snoop for palette regs command = 0x00a0; // fast back-to-back, medium DEVSEL# status = 0x0280; remap_cb(); } void oti64111_pci_device::config_map(address_map &map) { pci_card_device::config_map(map); } void oti64111_pci_device::mmio_map(address_map &map) { map(0x00, 0x7f).rw(m_svga, FUNC(oak_oti111_vga_device::xga_read), FUNC(oak_oti111_vga_device::xga_write)); map(0x80, 0xbf).m(m_svga, FUNC(oak_oti111_vga_device::multimedia_map)); } void oti64111_pci_device::vram_aperture_map(address_map &map) { map(0x000000, 0x7fffff).rw(m_svga, FUNC(oak_oti111_vga_device::mem_linear_r), FUNC(oak_oti111_vga_device::mem_linear_w)); } void oti64111_pci_device::extio_map(address_map &map) { map(0x00e0, 0x00ef).m(m_svga, FUNC(oak_oti111_vga_device::ramdac_mmio_map)); } void oti64111_pci_device::legacy_io_map(address_map &map) { map(0, 0x02f).m(m_svga, FUNC(oak_oti111_vga_device::io_map)); } uint8_t oti64111_pci_device::vram_r(offs_t offset) { return downcast(m_svga.target())->mem_r(offset); } void oti64111_pci_device::vram_w(offs_t offset, uint8_t data) { downcast(m_svga.target())->mem_w(offset, data); } void oti64111_pci_device::map_extra(uint64_t memory_window_start, uint64_t memory_window_end, uint64_t memory_offset, address_space *memory_space, uint64_t io_window_start, uint64_t io_window_end, uint64_t io_offset, address_space *io_space) { if (BIT(command, 1)) { memory_space->install_readwrite_handler(0xa0000, 0xbffff, read8sm_delegate(*this, FUNC(oti64111_pci_device::vram_r)), write8sm_delegate(*this, FUNC(oti64111_pci_device::vram_w))); } if (BIT(command, 0)) { io_space->install_device(0x03b0, 0x03df, *this, &oti64111_pci_device::legacy_io_map); } }