diff options
Diffstat (limited to 'src/devices/bus/isa/svga_cirrus.c')
-rw-r--r-- | src/devices/bus/isa/svga_cirrus.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/src/devices/bus/isa/svga_cirrus.c b/src/devices/bus/isa/svga_cirrus.c new file mode 100644 index 00000000000..bf6ff8842e0 --- /dev/null +++ b/src/devices/bus/isa/svga_cirrus.c @@ -0,0 +1,180 @@ +// license:BSD-3-Clause +// copyright-holders:Barry Rodewald +/*************************************************************************** + + ISA SVGA Cirrus Logic wrapper + +***************************************************************************/ + +#include "emu.h" +#include "svga_cirrus.h" + +ROM_START( dm_clgd5430 ) + ROM_REGION(0x8000,"dm_clgd5430", 0) + ROM_LOAD("speedstar_pro_se_v1.00.u2", 0x00000, 0x8000, CRC(ed79572c) SHA1(15131e2b2db7a34971083a250e4a21ab7bd64a9d) ) + ROM_IGNORE( 0x8000 ) +ROM_END + +//************************************************************************** +// GLOBAL VARIABLES +//************************************************************************** + +const device_type ISA16_SVGA_CIRRUS = &device_creator<isa16_svga_cirrus_device>; +const device_type ISA16_SVGA_CIRRUS_GD542X = &device_creator<isa16_svga_cirrus_gd542x_device>; + +static MACHINE_CONFIG_FRAGMENT( vga_cirrus ) + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_RAW_PARAMS(XTAL_25_1748MHz,900,0,640,526,0,480) + MCFG_SCREEN_UPDATE_DEVICE("vga", cirrus_gd5430_device, screen_update) + + MCFG_PALETTE_ADD("palette", 0x100) + + MCFG_DEVICE_ADD("vga", CIRRUS_GD5430, 0) +MACHINE_CONFIG_END + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor isa16_svga_cirrus_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( vga_cirrus ); +} + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const rom_entry *isa16_svga_cirrus_device::device_rom_region() const +{ + return ROM_NAME( dm_clgd5430 ); +} + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// isa16_vga_device - constructor +//------------------------------------------------- + +isa16_svga_cirrus_device::isa16_svga_cirrus_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, ISA16_SVGA_CIRRUS, "Diamond Speedstar Pro SE ISA Graphics Card (BIOS v1.00)", tag, owner, clock, "dm_clgd5430", __FILE__), + device_isa16_card_interface(mconfig, *this) +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- +READ8_MEMBER(isa16_svga_cirrus_device::input_port_0_r ) { return 0xff; } //return space.machine().root_device().ioport("IN0")->read(); } + +void isa16_svga_cirrus_device::device_start() +{ + set_isa_device(); + + m_vga = subdevice<cirrus_gd5430_device>("vga"); + + m_isa->install_rom(this, 0xc0000, 0xc7fff, 0, 0, "svga", "dm_clgd5430"); + + m_isa->install_device(0x03b0, 0x03bf, 0, 0, read8_delegate(FUNC(cirrus_gd5430_device::port_03b0_r),m_vga), write8_delegate(FUNC(cirrus_gd5430_device::port_03b0_w),m_vga)); + m_isa->install_device(0x03c0, 0x03cf, 0, 0, read8_delegate(FUNC(cirrus_gd5430_device::port_03c0_r),m_vga), write8_delegate(FUNC(cirrus_gd5430_device::port_03c0_w),m_vga)); + m_isa->install_device(0x03d0, 0x03df, 0, 0, read8_delegate(FUNC(cirrus_gd5430_device::port_03d0_r),m_vga), write8_delegate(FUNC(cirrus_gd5430_device::port_03d0_w),m_vga)); + + m_isa->install_memory(0xa0000, 0xbffff, 0, 0, read8_delegate(FUNC(cirrus_gd5430_device::mem_r),m_vga), write8_delegate(FUNC(cirrus_gd5430_device::mem_w),m_vga)); +} + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void isa16_svga_cirrus_device::device_reset() +{ +} + + +/* + Generic CL-GD542x video card +*/ + +ROM_START( clgd542x ) + ROM_REGION(0x08000, "clgd542x", 0) + ROM_LOAD16_BYTE("techyosd-isa-bios-v1.2.u8", 0x00000, 0x04000, CRC(6adf7e71) SHA1(2b07d964cc7c2c0aa560625b7c12f38d4537d652) ) + ROM_CONTINUE( 0x00001, 0x04000 ) +ROM_END + +//************************************************************************** +// GLOBAL VARIABLES +//************************************************************************** + +static MACHINE_CONFIG_FRAGMENT( vga_cirrus_gd542x ) + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_RAW_PARAMS(XTAL_25_1748MHz,900,0,640,526,0,480) + MCFG_SCREEN_UPDATE_DEVICE("vga", cirrus_gd5428_device, screen_update) + + MCFG_PALETTE_ADD("palette", 0x100) + + MCFG_DEVICE_ADD("vga", CIRRUS_GD5428, 0) +MACHINE_CONFIG_END + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor isa16_svga_cirrus_gd542x_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( vga_cirrus_gd542x ); +} + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const rom_entry *isa16_svga_cirrus_gd542x_device::device_rom_region() const +{ + return ROM_NAME( clgd542x ); +} + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// isa16_vga_device - constructor +//------------------------------------------------- + +isa16_svga_cirrus_gd542x_device::isa16_svga_cirrus_gd542x_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, ISA16_SVGA_CIRRUS_GD542X, "Generic Cirrus Logic GD542x Graphics Card (BIOS v1.20)", tag, owner, clock, "clgd542x", __FILE__), + device_isa16_card_interface(mconfig, *this) +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- +READ8_MEMBER(isa16_svga_cirrus_gd542x_device::input_port_0_r ) { return 0xff; } //return space.machine().root_device().ioport("IN0")->read(); } + +void isa16_svga_cirrus_gd542x_device::device_start() +{ + set_isa_device(); + + m_vga = subdevice<cirrus_gd5428_device>("vga"); + + m_isa->install_rom(this, 0xc0000, 0xc7fff, 0, 0, "svga", "clgd542x"); + + m_isa->install_device(0x03b0, 0x03bf, 0, 0, read8_delegate(FUNC(cirrus_gd5428_device::port_03b0_r),m_vga), write8_delegate(FUNC(cirrus_gd5428_device::port_03b0_w),m_vga)); + m_isa->install_device(0x03c0, 0x03cf, 0, 0, read8_delegate(FUNC(cirrus_gd5428_device::port_03c0_r),m_vga), write8_delegate(FUNC(cirrus_gd5428_device::port_03c0_w),m_vga)); + m_isa->install_device(0x03d0, 0x03df, 0, 0, read8_delegate(FUNC(cirrus_gd5428_device::port_03d0_r),m_vga), write8_delegate(FUNC(cirrus_gd5428_device::port_03d0_w),m_vga)); + + m_isa->install_memory(0xa0000, 0xbffff, 0, 0, read8_delegate(FUNC(cirrus_gd5428_device::mem_r),m_vga), write8_delegate(FUNC(cirrus_gd5428_device::mem_w),m_vga)); +} + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void isa16_svga_cirrus_gd542x_device::device_reset() +{ +} |