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(MESS) paso1600: committing some old work, it may fix MT 05127.

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This commit is contained in:
Robbbert 2013-05-29 09:53:07 +00:00
parent 57420c89b6
commit 67cf0cf47e
1 changed files with 23 additions and 15 deletions
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38
src/mess/drivers/paso1600.c
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@ -20,13 +20,12 @@ class paso1600_state : public driver_device
public:
paso1600_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_pic(*this, "pic8259"),
m_dma(*this, "8237dma"),
m_crtc(*this, "crtc")
,
m_p_vram(*this, "p_vram"),
m_p_gvram(*this, "p_gvram"){ }
m_maincpu(*this, "maincpu"),
m_pic(*this, "pic8259"),
m_dma(*this, "8237dma"),
m_crtc(*this, "crtc"),
m_p_vram(*this, "vram"),
m_p_gvram(*this, "gvram"){ }
required_device<cpu_device> m_maincpu;
required_device<pic8259_device> m_pic;
@ -36,6 +35,8 @@ public:
DECLARE_WRITE8_MEMBER(paso1600_pcg_w);
DECLARE_WRITE8_MEMBER(paso1600_6845_address_w);
DECLARE_WRITE8_MEMBER(paso1600_6845_data_w);
DECLARE_READ8_MEMBER(paso1600_6845_data_r);
DECLARE_READ8_MEMBER(paso1600_6845_status_r);
DECLARE_READ8_MEMBER(test_r);
DECLARE_READ8_MEMBER(key_r);
DECLARE_WRITE8_MEMBER(key_w);
@ -139,7 +140,7 @@ UINT32 paso1600_state::screen_update_paso1600(screen_device &screen, bitmap_ind1
if(yi & 0x10)
pen = -1;
//if(pen != -1)
if(pen != -1)
if(y*19 < 475 && x*8+xi < 640) /* TODO: safety check */
bitmap.pix16(y*19+yi, x*8+xi) = machine().pens[pen];
}
@ -188,9 +189,14 @@ WRITE8_MEMBER( paso1600_state::paso1600_6845_data_w )
m_crtc->register_w(space, offset, data);
}
READ8_MEMBER( paso1600_state::test_r )
READ8_MEMBER( paso1600_state::paso1600_6845_data_r )
{
return 0;
return m_crtc->register_r(space, offset);
}
READ8_MEMBER( paso1600_state::paso1600_6845_status_r )
{
return m_crtc->status_r(space, offset);
}
READ8_MEMBER( paso1600_state::key_r )
@ -221,9 +227,9 @@ READ16_MEMBER( paso1600_state::test_hi_r )
static ADDRESS_MAP_START(paso1600_map, AS_PROGRAM, 16, paso1600_state)
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x00000,0x7ffff) AM_RAM
AM_RANGE(0xb0000,0xb0fff) AM_RAM AM_SHARE("p_vram") // tvram
AM_RANGE(0xb0000,0xb0fff) AM_RAM AM_SHARE("vram") // tvram
AM_RANGE(0xbfff0,0xbffff) AM_READWRITE8(paso1600_pcg_r,paso1600_pcg_w,0xffff)
AM_RANGE(0xc0000,0xdffff) AM_RAM AM_SHARE("p_gvram")// gvram
AM_RANGE(0xc0000,0xdffff) AM_RAM AM_SHARE("gvram")// gvram
AM_RANGE(0xe0000,0xeffff) AM_ROM AM_REGION("kanji",0)// kanji rom, banked via port 0x93
AM_RANGE(0xfe000,0xfffff) AM_ROM AM_REGION("ipl", 0)
ADDRESS_MAP_END
@ -235,9 +241,10 @@ static ADDRESS_MAP_START(paso1600_io, AS_IO, 16, paso1600_state)
AM_RANGE(0x001a,0x001b) AM_READ(test_hi_r) // causes RAM error otherwise?
AM_RANGE(0x0030,0x0033) AM_READWRITE8(key_r,key_w,0xffff) //UART keyboard?
AM_RANGE(0x0048,0x0049) AM_READ(test_hi_r)
AM_RANGE(0x0090,0x0091) AM_READWRITE8(test_r,paso1600_6845_address_w,0x00ff)
AM_RANGE(0x0090,0x0091) AM_READWRITE8(test_r,paso1600_6845_data_w,0xff00)
AM_RANGE(0x0090,0x0091) AM_READWRITE8(paso1600_6845_status_r,paso1600_6845_address_w,0x00ff)
AM_RANGE(0x0090,0x0091) AM_READWRITE8(paso1600_6845_data_r,paso1600_6845_data_w,0xff00)
// AM_RANGE(0x00d8,0x00df) //fdc, unknown type
// other undefined ports: 18, 1C, 92
ADDRESS_MAP_END
/* Input ports */
@ -256,7 +263,8 @@ static const gfx_layout paso1600_charlayout =
};
static GFXDECODE_START( paso1600 )
GFXDECODE_ENTRY( "pcg", 0x0000, paso1600_charlayout, 0, 1 )
GFXDECODE_ENTRY( "pcg", 0x0000, paso1600_charlayout, 0, 4 )
GFXDECODE_ENTRY( "chargen", 0x0000, paso1600_charlayout, 0, 4 )
GFXDECODE_END