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Getting palette is always a good start.

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This commit is contained in:
Angelo Salese 2015-01-23 21:42:45 +01:00
parent d3f4613afc
commit 11534b7c9e
1 changed files with 47 additions and 8 deletions
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55
src/mess/drivers/c65.c
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@ -25,15 +25,28 @@ public:
c65_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_screen(*this, "screen")
m_screen(*this, "screen"),
m_palette(*this, "palette"),
m_palred(*this, "redpal"),
m_palgreen(*this, "greenpal"),
m_palblue(*this, "bluepal")
{ }
// devices
required_device<cpu_device> m_maincpu;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
required_shared_ptr<UINT8> m_palred;
required_shared_ptr<UINT8> m_palgreen;
required_shared_ptr<UINT8> m_palblue;
DECLARE_READ8_MEMBER(vic4567_dummy_r);
DECLARE_WRITE8_MEMBER(vic4567_dummy_w);
DECLARE_WRITE8_MEMBER(PalRed_w);
DECLARE_WRITE8_MEMBER(PalGreen_w);
DECLARE_WRITE8_MEMBER(PalBlue_w);
// screen updates
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_PALETTE_INIT(c65);
@ -45,6 +58,8 @@ protected:
virtual void machine_reset();
virtual void video_start();
private:
void PalEntryFlush(UINT8 offset);
};
void c65_state::video_start()
@ -89,16 +104,39 @@ WRITE8_MEMBER(c65_state::vic4567_dummy_w)
}
void c65_state::PalEntryFlush(UINT8 offset)
{
m_palette->set_pen_color(offset, pal4bit(m_palred[offset]), pal4bit(m_palgreen[offset]), pal4bit(m_palblue[offset]));
}
WRITE8_MEMBER(c65_state::PalRed_w)
{
m_palred[offset] = data;
PalEntryFlush(offset);
}
WRITE8_MEMBER(c65_state::PalGreen_w)
{
m_palblue[offset] = data;
PalEntryFlush(offset);
}
WRITE8_MEMBER(c65_state::PalBlue_w)
{
m_palgreen[offset] = data;
PalEntryFlush(offset);
}
static ADDRESS_MAP_START( c65_map, AS_PROGRAM, 8, c65_state )
AM_RANGE(0x00000, 0x01fff) AM_RAM // 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(0x0d000, 0x0d07f) AM_READWRITE(vic4567_dummy_r,vic4567_dummy_w) // 0x0d000, 0x0d07f VIC-4567
// 0x0d080, 0x0d09f FDC
// 0x0d0a0, 0x0d0ff Ram Expansion Control (REC)
// 0x0d100, 0x0d1ff Red Palette
// 0x0d200, 0x0d2ff Green Palette
// 0x0d300, 0x0d3ff Blue Palette
AM_RANGE(0x0d100, 0x0d1ff) AM_RAM_WRITE(PalRed_w) AM_SHARE("redpal")// 0x0d100, 0x0d1ff Red Palette
AM_RANGE(0x0d200, 0x0d2ff) AM_RAM_WRITE(PalGreen_w) AM_SHARE("greenpal") // 0x0d200, 0x0d2ff Green Palette
AM_RANGE(0x0d300, 0x0d3ff) AM_RAM_WRITE(PalBlue_w) AM_SHARE("bluepal") // 0x0d300, 0x0d3ff Blue Palette
// 0x0d400, 0x0d4*f Right SID
// 0x0d440, 0x0d4*f Left SID
// 0x0d600, 0x0d6** UART
@ -107,7 +145,7 @@ static ADDRESS_MAP_START( c65_map, AS_PROGRAM, 8, c65_state )
// 0x0dc00, 0x0dc** CIA-1
// 0x0dd00, 0x0dd** CIA-2
// 0x0de00, 0x0de** Ext I/O Select 1
// 0x0df00, 0x0df** Ext I/O Select 2
AM_RANGE(0x0df00, 0x0dfff) AM_RAM // 0x0df00, 0x0df** Ext I/O Select 2 (RAM window?)
AM_RANGE(0x20000, 0x3ffff) AM_ROM AM_REGION("maincpu",0)
ADDRESS_MAP_END
@ -181,6 +219,7 @@ void c65_state::machine_reset()
PALETTE_INIT_MEMBER(c65_state, c65)
{
// TODO: initial state?
}
static MACHINE_CONFIG_START( c65, c65_state )