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BREAKs now, added drawgfx VRAM dumper.

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This commit is contained in:
Angelo Salese 2015-01-28 01:39:32 +01:00
parent 08aaa1ec91
commit afeb6ccf0b
1 changed files with 21 additions and 5 deletions
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26
src/mess/drivers/c65.c
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@ -30,23 +30,27 @@ public:
m_maincpu(*this, "maincpu"),
m_screen(*this, "screen"),
m_palette(*this, "palette"),
m_workram(*this, "wram"),
m_palred(*this, "redpal"),
m_palgreen(*this, "greenpal"),
m_palblue(*this, "bluepal"),
m_dmalist(*this, "dmalist"),
m_cram(*this, "cram")
m_cram(*this, "cram"),
m_gfxdecode(*this, "gfxdecode")
{ }
// devices
required_device<m4510_device> m_maincpu;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
required_shared_ptr<UINT8> m_workram;
required_shared_ptr<UINT8> m_palred;
required_shared_ptr<UINT8> m_palgreen;
required_shared_ptr<UINT8> m_palblue;
required_shared_ptr<UINT8> m_dmalist;
required_shared_ptr<UINT8> m_cram;
required_device<gfxdecode_device> m_gfxdecode;
DECLARE_READ8_MEMBER(vic4567_dummy_r);
DECLARE_WRITE8_MEMBER(vic4567_dummy_w);
DECLARE_WRITE8_MEMBER(PalRed_w);
@ -84,6 +88,18 @@ void c65_state::video_start()
UINT32 c65_state::screen_update( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect )
{
int y,x;
gfx_element *gfx = m_gfxdecode->gfx(0);
for(y=0;y<30;y++)
{
for(x=0;x<40;x++)
{
UINT8 tile = m_workram[x+y*40+0x800];
gfx->opaque(bitmap,cliprect,tile,0,0,0,x*8,y*8);
}
}
return 0;
}
@ -264,11 +280,11 @@ WRITE8_MEMBER(c65_state::CIASelect_w)
READ8_MEMBER(c65_state::dummy_r)
{
return 0xff;
return 0;
}
static ADDRESS_MAP_START( c65_map, AS_PROGRAM, 8, c65_state )
AM_RANGE(0x00000, 0x07fff) AM_RAM // TODO: bank
AM_RANGE(0x00000, 0x07fff) AM_RAM AM_SHARE("wram") // TODO: bank
AM_RANGE(0x0c800, 0x0cfff) AM_ROM AM_REGION("maincpu", 0xc800)
AM_RANGE(0x0d000, 0x0d07f) AM_READWRITE(vic4567_dummy_r,vic4567_dummy_w) // 0x0d000, 0x0d07f VIC-4567
AM_RANGE(0x0d080, 0x0d081) AM_READ(dummy_r) // 0x0d080, 0x0d09f FDC
@ -289,7 +305,7 @@ static ADDRESS_MAP_START( c65_map, AS_PROGRAM, 8, c65_state )
// 0x0df00, 0x0df** Ext I/O Select 2 (RAM window?)
AM_RANGE(0x0e000, 0x0ffff) AM_ROM AM_REGION("maincpu",0x0e000)
AM_RANGE(0x10000, 0x1f7ff) AM_RAM
AM_RANGE(0x1f800, 0x1ffff) AM_RAM // VRAM
AM_RANGE(0x1f800, 0x1ffff) AM_RAM // VRAM attributes
AM_RANGE(0x20000, 0x3ffff) AM_ROM AM_REGION("maincpu",0)
ADDRESS_MAP_END