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camplynx: use standard 3-bit rgb palette

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This commit is contained in:
Dirk Best 2015-07-28 13:36:39 +02:00
parent cb855b15cc
commit 518faa8d94
1 changed files with 20 additions and 47 deletions
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67
src/mess/drivers/camplynx.c
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@ -127,7 +127,6 @@ public:
DECLARE_MACHINE_RESET(lynx128k);
MC6845_UPDATE_ROW(lynx128k_update_row);
// common
DECLARE_PALETTE_INIT(camplynx);
required_device<palette_device> m_palette;
private:
UINT8 m_port80;
@ -464,34 +463,9 @@ WRITE8_MEMBER( camplynx_state::lynx128k_irq )
m_maincpu->set_input_line(0, data);
}
static const UINT8 lynx48k_palette[8*3] =
{
0x00, 0x00, 0x00, /* 0 Black */
0x00, 0x00, 0xff, /* 1 Blue */
0xff, 0x00, 0x00, /* 2 Red */
0xff, 0x00, 0xff, /* 3 Magenta */
0x00, 0xff, 0x00, /* 4 Green */
0x00, 0xff, 0xff, /* 5 Cyan */
0xff, 0xff, 0x00, /* 6 Yellow */
0xff, 0xff, 0xff, /* 7 White */
};
PALETTE_INIT_MEMBER(camplynx_state, camplynx)
{
UINT8 r, b, g, i=0, color_count = 8;
while (color_count--)
{
r = lynx48k_palette[i++]; g = lynx48k_palette[i++]; b = lynx48k_palette[i++];
palette.set_pen_color(7-color_count, rgb_t(r, g, b));
}
}
MC6845_UPDATE_ROW( camplynx_state::lynx48k_update_row )
{
UINT8 *RAM = machine().root_device().memregion("maincpu")->base();
const rgb_t *palette = m_palette->palette()->entry_list_raw();
UINT8 r,g,b,x;
UINT32 *p = &bitmap.pix32(y);
UINT16 mem = ((ma << 2) + (ra << 5)) & 0x3fff;
@ -502,21 +476,20 @@ MC6845_UPDATE_ROW( camplynx_state::lynx48k_update_row )
g = RAM[0x1c000+mem+x];
b = RAM[0x10000+mem+x];
*p++ = palette[(BIT(r, 7) << 1) | (BIT(g, 7) << 2) | (BIT(b, 7))];
*p++ = palette[(BIT(r, 6) << 1) | (BIT(g, 6) << 2) | (BIT(b, 6))];
*p++ = palette[(BIT(r, 5) << 1) | (BIT(g, 5) << 2) | (BIT(b, 5))];
*p++ = palette[(BIT(r, 4) << 1) | (BIT(g, 4) << 2) | (BIT(b, 4))];
*p++ = palette[(BIT(r, 3) << 1) | (BIT(g, 3) << 2) | (BIT(b, 3))];
*p++ = palette[(BIT(r, 2) << 1) | (BIT(g, 2) << 2) | (BIT(b, 2))];
*p++ = palette[(BIT(r, 1) << 1) | (BIT(g, 1) << 2) | (BIT(b, 1))];
*p++ = palette[(BIT(r, 0) << 1) | (BIT(g, 0) << 2) | (BIT(b, 0))];
*p++ = m_palette->pen_color((BIT(b, 7) << 2) | (BIT(g, 7) << 1) | (BIT(r, 7)));
*p++ = m_palette->pen_color((BIT(b, 6) << 2) | (BIT(g, 6) << 1) | (BIT(r, 6)));
*p++ = m_palette->pen_color((BIT(b, 5) << 2) | (BIT(g, 5) << 1) | (BIT(r, 5)));
*p++ = m_palette->pen_color((BIT(b, 4) << 2) | (BIT(g, 4) << 1) | (BIT(r, 4)));
*p++ = m_palette->pen_color((BIT(b, 3) << 2) | (BIT(g, 3) << 1) | (BIT(r, 3)));
*p++ = m_palette->pen_color((BIT(b, 2) << 2) | (BIT(g, 2) << 1) | (BIT(r, 2)));
*p++ = m_palette->pen_color((BIT(b, 1) << 2) | (BIT(g, 1) << 1) | (BIT(r, 1)));
*p++ = m_palette->pen_color((BIT(b, 0) << 2) | (BIT(g, 0) << 1) | (BIT(r, 0)));
}
}
MC6845_UPDATE_ROW( camplynx_state::lynx128k_update_row )
{
UINT8 *RAM = machine().root_device().memregion("maincpu")->base();
const rgb_t *palette = m_palette->palette()->entry_list_raw();
UINT8 r,g,b,x;
UINT32 green_bank, *p = &bitmap.pix32(y);
UINT16 mem = ((ma << 2) + (ra << 6)) & 0x3fff;
@ -532,14 +505,14 @@ MC6845_UPDATE_ROW( camplynx_state::lynx128k_update_row )
b = RAM[0x24000+mem+x];
g = RAM[green_bank+x];
*p++ = palette[(BIT(r, 7) << 1) | (BIT(g, 7) << 2) | (BIT(b, 7))];
*p++ = palette[(BIT(r, 6) << 1) | (BIT(g, 6) << 2) | (BIT(b, 6))];
*p++ = palette[(BIT(r, 5) << 1) | (BIT(g, 5) << 2) | (BIT(b, 5))];
*p++ = palette[(BIT(r, 4) << 1) | (BIT(g, 4) << 2) | (BIT(b, 4))];
*p++ = palette[(BIT(r, 3) << 1) | (BIT(g, 3) << 2) | (BIT(b, 3))];
*p++ = palette[(BIT(r, 2) << 1) | (BIT(g, 2) << 2) | (BIT(b, 2))];
*p++ = palette[(BIT(r, 1) << 1) | (BIT(g, 1) << 2) | (BIT(b, 1))];
*p++ = palette[(BIT(r, 0) << 1) | (BIT(g, 0) << 2) | (BIT(b, 0))];
*p++ = m_palette->pen_color((BIT(b, 7) << 2) | (BIT(g, 7) << 1) | (BIT(r, 7)));
*p++ = m_palette->pen_color((BIT(b, 6) << 2) | (BIT(g, 6) << 1) | (BIT(r, 6)));
*p++ = m_palette->pen_color((BIT(b, 5) << 2) | (BIT(g, 5) << 1) | (BIT(r, 5)));
*p++ = m_palette->pen_color((BIT(b, 4) << 2) | (BIT(g, 4) << 1) | (BIT(r, 4)));
*p++ = m_palette->pen_color((BIT(b, 3) << 2) | (BIT(g, 3) << 1) | (BIT(r, 3)));
*p++ = m_palette->pen_color((BIT(b, 2) << 2) | (BIT(g, 2) << 1) | (BIT(r, 2)));
*p++ = m_palette->pen_color((BIT(b, 1) << 2) | (BIT(g, 1) << 1) | (BIT(r, 1)));
*p++ = m_palette->pen_color((BIT(b, 0) << 2) | (BIT(g, 0) << 1) | (BIT(r, 0)));
}
}
@ -557,8 +530,8 @@ static MACHINE_CONFIG_START( lynx48k, camplynx_state )
MCFG_SCREEN_SIZE(512, 480)
MCFG_SCREEN_VISIBLE_AREA(0, 511, 0, 479)
MCFG_SCREEN_UPDATE_DEVICE("crtc", mc6845_device, screen_update)
MCFG_PALETTE_ADD("palette", 8)
MCFG_PALETTE_INIT_OWNER(camplynx_state, camplynx)
MCFG_PALETTE_ADD_3BIT_RGB("palette")
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
@ -595,8 +568,8 @@ static MACHINE_CONFIG_START( lynx128k, camplynx_state )
MCFG_SCREEN_SIZE(512, 480)
MCFG_SCREEN_VISIBLE_AREA(0, 511, 0, 479)
MCFG_SCREEN_UPDATE_DEVICE("crtc", mc6845_device, screen_update)
MCFG_PALETTE_ADD("palette", 8)
MCFG_PALETTE_INIT_OWNER(camplynx_state, camplynx)
MCFG_PALETTE_ADD_3BIT_RGB("palette")
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")