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isa/svga_cirrus: preliminary remap callback for gd542x

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This commit is contained in:
angelosa 2024-03-02 17:34:28 +01:00
parent 9384c347f7
commit 1e10fcb16a
2 changed files with 11 additions and 0 deletions
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10
src/devices/bus/isa/svga_cirrus.cpp
View File

@ -353,7 +353,17 @@ void isa16_svga_cirrus_gd542x_device::device_start()
m_isa->install_memory(0xa0000, 0xbffff, read8sm_delegate(*m_vga, FUNC(cirrus_gd5428_device::mem_r)), write8sm_delegate(*m_vga, FUNC(cirrus_gd5428_device::mem_w))); m_isa->install_memory(0xa0000, 0xbffff, read8sm_delegate(*m_vga, FUNC(cirrus_gd5428_device::mem_r)), write8sm_delegate(*m_vga, FUNC(cirrus_gd5428_device::mem_w)));
m_isa->install_device(0x03b0, 0x03df, *this, &isa16_svga_cirrus_gd542x_device::io_isa_map); m_isa->install_device(0x03b0, 0x03df, *this, &isa16_svga_cirrus_gd542x_device::io_isa_map);
}
void isa16_svga_cirrus_gd542x_device::remap(int space_id, offs_t start, offs_t end)
{
if (space_id == AS_PROGRAM)
{
m_isa->install_memory(0xa0000, 0xbffff, read8sm_delegate(*m_vga, FUNC(cirrus_gd5428_device::mem_r)), write8sm_delegate(*m_vga, FUNC(cirrus_gd5428_device::mem_w)));
m_isa->install_rom(this, 0xc0000, 0xc7fff, "clgd542x");
}
else if (space_id == AS_IO)
m_isa->install_device(0x03b0, 0x03df, *this, &isa16_svga_cirrus_gd542x_device::io_isa_map);
} }
//------------------------------------------------- //-------------------------------------------------

1
src/devices/bus/isa/svga_cirrus.h
View File

@ -47,6 +47,7 @@ public:
uint8_t input_port_0_r(); uint8_t input_port_0_r();
virtual void remap(int space_id, offs_t start, offs_t end) override;
protected: protected:
// device-level overrides // device-level overrides
virtual void device_start() override; virtual void device_start() override;