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duet16: pic addressing is inverted (nw)

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This commit is contained in:
cracyc 2018-02-19 21:18:49 -06:00
parent 6ef2bc4f43
commit b1608cf20f
1 changed files with 15 additions and 1 deletions
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16
src/mame/drivers/duet16.cpp
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@ -23,6 +23,7 @@ public:
duet16_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_pic(*this, "pic"),
m_chrrom(*this, "char"),
m_vram(*this, "vram")
{ }
@ -30,20 +31,33 @@ public:
void duet16(machine_config &config);
private:
DECLARE_READ8_MEMBER(pic_r);
DECLARE_WRITE8_MEMBER(pic_w);
MC6845_UPDATE_ROW(crtc_update_row);
void duet16_io(address_map &map);
void duet16_mem(address_map &map);
required_device<cpu_device> m_maincpu;
required_device<pic8259_device> m_pic;
required_memory_region m_chrrom;
required_shared_ptr<u16> m_vram;
};
READ8_MEMBER(duet16_state::pic_r)
{
return m_pic->read(space, offset ^ 1, mem_mask);
}
WRITE8_MEMBER(duet16_state::pic_w)
{
m_pic->write(space, offset ^ 1, data, mem_mask);
}
ADDRESS_MAP_START(duet16_state::duet16_mem)
AM_RANGE(0x00000, 0x9ffff) AM_RAM
AM_RANGE(0xb8000, 0xbffff) AM_RAM
AM_RANGE(0xc0000, 0xc0fff) AM_RAM AM_SHARE("vram")
AM_RANGE(0xf8000, 0xf801f) AM_DEVREADWRITE8("dmac", am9517a_device, read, write, 0xff00)
AM_RANGE(0xf8020, 0xf8023) AM_DEVREADWRITE8("pic", pic8259_device, read, write, 0x00ff)
AM_RANGE(0xf8020, 0xf8023) AM_READWRITE8(pic_r, pic_w, 0x00ff)
AM_RANGE(0xf8040, 0xf804f) AM_DEVREADWRITE8("ptm", ptm6840_device, read, write, 0x00ff)
AM_RANGE(0xf8060, 0xf8067) AM_DEVREADWRITE8("bgpit", pit8253_device, read, write, 0x00ff)
AM_RANGE(0xf8080, 0xf8087) AM_DEVREADWRITE8("sio", upd7201_new_device, ba_cd_r, ba_cd_w, 0x00ff)