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xbox_pci.cpp: found gpio pins mode registers (nw)

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This commit is contained in:
yz70s 2019-12-06 10:44:39 +01:00
parent 58a2d5859a
commit ce9205ddda
2 changed files with 15 additions and 0 deletions
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1
src/mame/includes/xbox_pci.h
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@ -147,6 +147,7 @@ private:
uint16_t m_gpe0_enable;
uint16_t m_global_smi_control;
uint8_t m_smi_command_port;
uint8_t m_gpio_mode[26];
lpcbus_device_interface *lpcdevices[16];
uint8_t m_speaker;
bool m_refresh;

14
src/mame/machine/xbox_pci.cpp
View File

@ -192,6 +192,7 @@ void mcpx_isalpc_device::device_start()
void mcpx_isalpc_device::device_reset()
{
pci_device::device_reset();
memset(m_gpio_mode, 0, sizeof(m_gpio_mode));
m_refresh = false;
m_pit_out2 = 1;
m_spkrdata = 0;
@ -283,6 +284,19 @@ WRITE32_MEMBER(mcpx_isalpc_device::acpi_w)
update_smi_line();
logerror("Generate software SMI with value %02X\n", m_smi_command_port);
}
else if (((offset >= 0x30) && (offset < 0x36)) || ((offset == 0x36) && ACCESSING_BITS_0_15))
{
int m = offset != 0x36 ? 4 : 2;
int p = (offset - 0x30) * 4;
for (int a = 0; a < m; a++)
{
m_gpio_mode[p] = (m_gpio_mode[p] & (~mem_mask & 0xff)) | (data & 0xff);
p++;
data = data >> 8;
mem_mask = mem_mask >> 8;
}
}
else
logerror("Acpi write not recognized\n");
}