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bus/isa/svga_tseng: ET4000AX is a ISA16 card

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This commit is contained in:
angelosa 2024-11-16 12:58:30 +01:00
parent 316870e09f
commit f0080fce54
4 changed files with 35 additions and 55 deletions
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6
src/devices/bus/isa/isa_cards.cpp
View File

@ -105,8 +105,6 @@ void pc_isa8_cards(device_slot_interface &device)
device.option_add("ega", ISA8_EGA);
device.option_add("pgc", ISA8_PGC);
device.option_add("vga", ISA8_VGA);
device.option_add("svga_et4k", ISA8_SVGA_ET4K);
device.option_add("svga_et4k_kasan16", ISA8_SVGA_ET4K_KASAN16);
device.option_add("wd90c90_jk", ISA8_WD90C90_JK);
device.option_add("num9rev",ISA8_NUM_9_REV);
device.option_add("com", ISA8_COM);
@ -160,8 +158,6 @@ void pc_isa16_cards(device_slot_interface &device)
device.option_add("ega", ISA8_EGA);
device.option_add("pgc", ISA8_PGC);
device.option_add("vga", ISA8_VGA);
device.option_add("svga_et4k", ISA8_SVGA_ET4K);
device.option_add("svga_et4k_kasan16", ISA8_SVGA_ET4K_KASAN16);
device.option_add("wd90c90_jk", ISA8_WD90C90_JK);
device.option_add("num9rev",ISA8_NUM_9_REV);
device.option_add("com", ISA8_COM);
@ -219,6 +215,8 @@ void pc_isa16_cards(device_slot_interface &device)
// device.option_add("tgui9680",ISA16_SVGA_TGUI9680);
device.option_add("pvga1a", ISA16_PVGA1A);
device.option_add("pvga1a_jk", ISA16_PVGA1A_JK);
device.option_add("svga_et4k", ISA16_SVGA_ET4K);
device.option_add("svga_et4k_kasan16", ISA16_SVGA_ET4K_KASAN16);
device.option_add("wd90c00_jk", ISA16_WD90C00_JK);
device.option_add("wd90c11_lr", ISA16_WD90C11_LR);
device.option_add("wd90c30_lr", ISA16_WD90C30_LR);

42
src/devices/bus/isa/svga_tseng.cpp
View File

@ -32,15 +32,15 @@ ROM_END
// GLOBAL VARIABLES
//**************************************************************************
DEFINE_DEVICE_TYPE(ISA8_SVGA_ET4K, isa8_svga_et4k_device, "et4000", "SVGA Tseng ET4000AX Graphics Card")
DEFINE_DEVICE_TYPE(ISA8_SVGA_ET4K_KASAN16, isa8_svga_et4k_kasan16_device, "et4000_kasan16", "SVGA Kasan Hangulmadang-16 ET4000AX Graphics Card")
DEFINE_DEVICE_TYPE(ISA16_SVGA_ET4K, isa16_svga_et4k_device, "et4000", "SVGA Tseng ET4000AX Graphics Card")
DEFINE_DEVICE_TYPE(ISA16_SVGA_ET4K_KASAN16, isa16_svga_et4k_kasan16_device, "et4000_kasan16", "SVGA Kasan Hangulmadang-16 ET4000AX Graphics Card")
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void isa8_svga_et4k_device::device_add_mconfig(machine_config &config)
void isa16_svga_et4k_device::device_add_mconfig(machine_config &config)
{
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_raw(25.175_MHz_XTAL, 800, 0, 640, 524, 0, 480);
@ -55,7 +55,7 @@ void isa8_svga_et4k_device::device_add_mconfig(machine_config &config)
// rom_region - device-specific ROM region
//-------------------------------------------------
const tiny_rom_entry *isa8_svga_et4k_device::device_rom_region() const
const tiny_rom_entry *isa16_svga_et4k_device::device_rom_region() const
{
return ROM_NAME( et4000 );
}
@ -65,17 +65,17 @@ const tiny_rom_entry *isa8_svga_et4k_device::device_rom_region() const
//**************************************************************************
//-------------------------------------------------
// isa8_vga_device - constructor
// isa16_vga_device - constructor
//-------------------------------------------------
isa8_svga_et4k_device::isa8_svga_et4k_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
isa8_svga_et4k_device(mconfig, ISA8_SVGA_ET4K, tag, owner, clock)
isa16_svga_et4k_device::isa16_svga_et4k_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
isa16_svga_et4k_device(mconfig, ISA16_SVGA_ET4K, tag, owner, clock)
{
}
isa8_svga_et4k_device::isa8_svga_et4k_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock)
isa16_svga_et4k_device::isa16_svga_et4k_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, type, tag, owner, clock)
, device_isa8_card_interface(mconfig, *this)
, device_isa16_card_interface(mconfig, *this)
, m_vga(*this, "vga")
{
}
@ -83,9 +83,9 @@ isa8_svga_et4k_device::isa8_svga_et4k_device(const machine_config &mconfig, devi
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
uint8_t isa8_svga_et4k_device::input_port_0_r() { return 0xff; } //return machine().root_device().ioport("IN0")->read(); }
uint8_t isa16_svga_et4k_device::input_port_0_r() { return 0xff; } //return machine().root_device().ioport("IN0")->read(); }
void isa8_svga_et4k_device::device_start()
void isa16_svga_et4k_device::device_start()
{
set_isa_device();
@ -98,7 +98,7 @@ void isa8_svga_et4k_device::device_start()
// device_reset - device-specific reset
//-------------------------------------------------
void isa8_svga_et4k_device::device_reset()
void isa16_svga_et4k_device::device_reset()
{
}
@ -107,7 +107,7 @@ void isa8_svga_et4k_device::device_reset()
// could have unmapped it
//-------------------------------------------------
void isa8_svga_et4k_device::remap(int space_id, offs_t start, offs_t end)
void isa16_svga_et4k_device::remap(int space_id, offs_t start, offs_t end)
{
if (space_id == AS_PROGRAM)
{
@ -118,22 +118,22 @@ void isa8_svga_et4k_device::remap(int space_id, offs_t start, offs_t end)
map_io();
}
void isa8_svga_et4k_device::io_isa_map(address_map &map)
void isa16_svga_et4k_device::io_isa_map(address_map &map)
{
map(0x00, 0x2f).m(m_vga, FUNC(tseng_vga_device::io_map));
}
void isa8_svga_et4k_device::map_io()
void isa16_svga_et4k_device::map_io()
{
m_isa->install_device(0x03b0, 0x03df, *this, &isa8_svga_et4k_device::io_isa_map);
m_isa->install_device(0x03b0, 0x03df, *this, &isa16_svga_et4k_device::io_isa_map);
}
void isa8_svga_et4k_device::map_ram()
void isa16_svga_et4k_device::map_ram()
{
m_isa->install_memory(0xa0000, 0xbffff, read8sm_delegate(*m_vga, FUNC(tseng_vga_device::mem_r)), write8sm_delegate(*m_vga, FUNC(tseng_vga_device::mem_w)));
}
void isa8_svga_et4k_device::map_rom()
void isa16_svga_et4k_device::map_rom()
{
m_isa->install_rom(this, 0xc0000, 0xc7fff, "et4000");
}
@ -144,8 +144,8 @@ void isa8_svga_et4k_device::map_rom()
* Same as regular ET4000AX with extra font I/Os
*/
isa8_svga_et4k_kasan16_device::isa8_svga_et4k_kasan16_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: isa8_svga_et4k_device(mconfig, ISA8_SVGA_ET4K_KASAN16, tag, owner, clock)
isa16_svga_et4k_kasan16_device::isa16_svga_et4k_kasan16_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: isa16_svga_et4k_device(mconfig, ISA16_SVGA_ET4K_KASAN16, tag, owner, clock)
, m_hangul_rom(*this, "hangul")
{
}
@ -159,7 +159,7 @@ ROM_START( kasan16 )
ROM_LOAD("kasan_ksc5601.rom", 0x00000, 0x80000, CRC(a547c5ec) SHA1(1358feb2ccaca040a176bedc7c256ec481351b41) )
ROM_END
const tiny_rom_entry *isa8_svga_et4k_kasan16_device::device_rom_region() const
const tiny_rom_entry *isa16_svga_et4k_kasan16_device::device_rom_region() const
{
return ROM_NAME( kasan16 );
}

20
src/devices/bus/isa/svga_tseng.h
View File

@ -16,22 +16,22 @@
// TYPE DEFINITIONS
//**************************************************************************
// ======================> isa8_vga_device
// ======================> isa16_vga_device
class isa8_svga_et4k_device :
class isa16_svga_et4k_device :
public device_t,
public device_isa8_card_interface
public device_isa16_card_interface
{
public:
// construction/destruction
isa8_svga_et4k_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
isa16_svga_et4k_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
uint8_t input_port_0_r();
virtual void remap(int space_id, offs_t start, offs_t end) override;
protected:
isa8_svga_et4k_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
isa16_svga_et4k_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_start() override ATTR_COLD;
@ -50,11 +50,11 @@ private:
required_device<tseng_vga_device> m_vga;
};
class isa8_svga_et4k_kasan16_device :
public isa8_svga_et4k_device
class isa16_svga_et4k_kasan16_device :
public isa16_svga_et4k_device
{
public:
isa8_svga_et4k_kasan16_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
isa16_svga_et4k_kasan16_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
@ -64,7 +64,7 @@ private:
};
// device type definition
DECLARE_DEVICE_TYPE(ISA8_SVGA_ET4K, isa8_svga_et4k_device)
DECLARE_DEVICE_TYPE(ISA8_SVGA_ET4K_KASAN16, isa8_svga_et4k_kasan16_device)
DECLARE_DEVICE_TYPE(ISA16_SVGA_ET4K, isa16_svga_et4k_device)
DECLARE_DEVICE_TYPE(ISA16_SVGA_ET4K_KASAN16, isa16_svga_et4k_kasan16_device)
#endif // MAME_BUS_ISA_SVGA_TSENG_H

22
src/devices/video/pc_vga_tseng.cpp
View File

@ -178,26 +178,7 @@ void tseng_vga_device::attribute_map(address_map &map)
NAME([this] (offs_t offset) { return et4k.misc1; }),
NAME([this] (offs_t offset, u8 data) {
et4k.misc1 = data;
// TODO: this should be taken into account for recompute_params
#if 0
svga.rgb8_en = 0;
svga.rgb15_en = 0;
svga.rgb16_en = 0;
svga.rgb32_en = 0;
switch(et4k.misc1 & 0x30)
{
case 0:
// normal power-up mode
break;
case 0x10:
svga.rgb8_en = 1;
break;
case 0x20:
case 0x30:
popmessage("Tseng 15/16 bit HiColor mode, contact MAMEdev");
break;
}
#endif
recompute_params();
})
);
// Miscellaneous 2
@ -245,6 +226,7 @@ void tseng_vga_device::recompute_params()
xtal = 38000000;
break;
}
// TODO: also read et4k.misc1?
switch(et4k.dac_ctrl & 0xe0)
{
case 0xa0: