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pinball2k: correct notes, install port handlers

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bridge positions taken from picture in MediaGX document from Carl.
This commit is contained in:
Peter Ferrie 2015-03-19 20:01:18 -07:00
parent 0c58c7212c
commit 019e37e938
1 changed files with 26 additions and 2 deletions
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28
src/mame/drivers/pinball2k.c
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@ -9,8 +9,8 @@
- MediaGX features should be moved out to machine/ and shared with mediagx.c once we know what these games need
Hardware:
- Cyrix MediaGX processor/VGA
- Cyrix CX5520 northbridge?
- Cyrix MediaGX processor/VGA (northbridge)
- Cyrix CX5520 (southbridge)
- VS9824AG SuperI/O standard PC I/O chip
- 1 ISA, 2 PCI slots, 2 IDE headers
- "Prism" PCI card with PLX PCI9052 PCI-to-random stuff bridge
@ -83,6 +83,10 @@ public:
DECLARE_WRITE32_MEMBER(ad1847_w);
DECLARE_READ8_MEMBER(io20_r);
DECLARE_WRITE8_MEMBER(io20_w);
DECLARE_READ32_MEMBER(port400_r);
DECLARE_WRITE32_MEMBER(port400_w);
DECLARE_READ32_MEMBER(port800_r);
DECLARE_WRITE32_MEMBER(port800_w);
DECLARE_DRIVER_INIT(pinball2k);
virtual void machine_start();
virtual void machine_reset();
@ -415,6 +419,24 @@ WRITE8_MEMBER(pinball2k_state::io20_w)
}
}
READ32_MEMBER(pinball2k_state::port400_r)
{
return 0x8000;
}
WRITE32_MEMBER(pinball2k_state::port400_w)
{
}
READ32_MEMBER(pinball2k_state::port800_r)
{
return 0x80;
}
WRITE32_MEMBER(pinball2k_state::port800_w)
{
}
READ32_MEMBER(pinball2k_state::parallel_port_r)
{
UINT32 r = 0;
@ -467,6 +489,8 @@ static ADDRESS_MAP_START(mediagx_io, AS_IO, 32, pinball2k_state )
AM_IMPORT_FROM(pcat32_io_common)
AM_RANGE(0x00e8, 0x00eb) AM_NOP // I/O delay port
AM_RANGE(0x0378, 0x037b) AM_READWRITE(parallel_port_r, parallel_port_w)
AM_RANGE(0x0400, 0x0403) AM_READWRITE(port400_r, port400_w)
AM_RANGE(0x0800, 0x0803) AM_READWRITE(port800_r, port800_w)
AM_RANGE(0x0cf8, 0x0cff) AM_DEVREADWRITE("pcibus", pci_bus_legacy_device, read, write)
ADDRESS_MAP_END