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megapc: fix memory fatalerrors.

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This commit is contained in:
mahlemiut 2016-06-16 20:02:47 +12:00
parent 20833d9530
commit 5f0aea5513
1 changed files with 14 additions and 6 deletions
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20
src/devices/machine/wd7600.cpp
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@ -170,17 +170,19 @@ void wd7600_device::device_start()
// install BIOS ROM at cpu inital pc
m_space->install_rom(0x000f0000, 0x000fffff, m_bios + 0x10000);
m_space->install_rom(0xffff0000, 0xffffffff, m_bios + 0x10000);
if(m_space->addrmask() == 0xffffffff) // 32-bit address space only
m_space->install_rom(0xffff0000, 0xffffffff, m_bios + 0x10000);
else
m_space->install_rom(0x00ff0000, 0x00ffffff, m_bios + 0x10000);
// install i/o accesses
m_space_io->install_readwrite_handler(0x0000, 0x000f, read8_delegate(FUNC(am9517a_device::read), &(*m_dma1)), write8_delegate(FUNC(am9517a_device::write), &(*m_dma1)), 0xffffffff);
m_space_io->install_readwrite_handler(0x0020, 0x003f, read8_delegate(FUNC(pic8259_device::read), &(*m_pic1)), write8_delegate(FUNC(pic8259_device::write), &(*m_pic1)), 0x0000ffff);
m_space_io->install_readwrite_handler(0x0040, 0x0043, read8_delegate(FUNC(pit8254_device::read), &(*m_ctc)), write8_delegate(FUNC(pit8254_device::write), &(*m_ctc)), 0xffffffff);
m_space_io->install_readwrite_handler(0x0060, 0x0063, read8_delegate(FUNC(wd7600_device::keyb_data_r), this), write8_delegate(FUNC(wd7600_device::keyb_data_w), this), 0x000000ff);
m_space_io->install_readwrite_handler(0x0060, 0x0063, read8_delegate(FUNC(wd7600_device::portb_r), this), write8_delegate(FUNC(wd7600_device::portb_w), this), 0x0000ff00);
m_space_io->install_readwrite_handler(0x0060, 0x0063, read8_delegate(FUNC(wd7600_device::keyb_data_r), this), write8_delegate(FUNC(wd7600_device::keyb_data_w), this), 0x0000ffff);
m_space_io->install_readwrite_handler(0x0064, 0x0067, read8_delegate(FUNC(wd7600_device::keyb_status_r), this), write8_delegate(FUNC(wd7600_device::keyb_cmd_w), this), 0x000000ff);
m_space_io->install_readwrite_handler(0x0070, 0x007f, read8_delegate(FUNC(mc146818_device::read), &(*m_rtc)), write8_delegate(FUNC(wd7600_device::rtc_w), this), 0x0000ffff);
m_space_io->install_readwrite_handler(0x0080, 0x009f, read8_delegate(FUNC(wd7600_device::dma_page_r), this), write8_delegate(FUNC(wd7600_device::dma_page_w), this), 0xffffffff);
m_space_io->install_readwrite_handler(0x0080, 0x008f, read8_delegate(FUNC(wd7600_device::dma_page_r), this), write8_delegate(FUNC(wd7600_device::dma_page_w), this), 0xffffffff);
m_space_io->install_readwrite_handler(0x0090, 0x0093, read8_delegate(FUNC(wd7600_device::a20_reset_r), this), write8_delegate(FUNC(wd7600_device::a20_reset_w), this), 0x00ff0000);
m_space_io->install_readwrite_handler(0x00a0, 0x00a3, read8_delegate(FUNC(pic8259_device::read), &(*m_pic2)), write8_delegate(FUNC(pic8259_device::write), &(*m_pic2)), 0x0000ffff);
m_space_io->install_readwrite_handler(0x00c0, 0x00df, read8_delegate(FUNC(am9517a_device::read), &(*m_dma2)), write8_delegate(FUNC(am9517a_device::write), &(*m_dma2)), 0x00ff00ff);
@ -287,14 +289,20 @@ WRITE_LINE_MEMBER( wd7600_device::ctc_out2_w )
WRITE8_MEMBER( wd7600_device::keyb_data_w )
{
// if(LOG) logerror("WD7600 '%s': keyboard data write %02x\n", tag(), data);
m_keybc->data_w(space,0,data);
if(ACCESSING_BITS_0_7)
m_keybc->data_w(space,0,data);
else
portb_w(space,0,data);
}
READ8_MEMBER( wd7600_device::keyb_data_r )
{
UINT8 ret = m_keybc->data_r(space,0);
// if(LOG) logerror("WD7600 '%s': keyboard data read %02x\n", tag(), ret);
return ret;
if(ACCESSING_BITS_0_7)
return ret;
else
return portb_r(space,0);
}
WRITE8_MEMBER( wd7600_device::keyb_cmd_w )