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onetwo.cpp : PALETTE_DECODER for color decoding

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cam900 2018-10-25 08:16:04 +09:00 committed by GitHub
parent ad86b37b14
commit 82c1a7fbff
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1 changed files with 14 additions and 23 deletions
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37
src/mame/drivers/onetwo.cpp
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@ -54,9 +54,8 @@ Note: this is quite clearly a 'Korean bootleg' of Shisensho - Joshiryo-Hen / Mat
class onetwo_state : public driver_device
{
public:
onetwo_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_paletteram(*this, "paletteram%u", 1U),
onetwo_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_fgram(*this, "fgram"),
m_mainbank(*this, "mainbank"),
m_maincpu(*this, "maincpu"),
@ -74,7 +73,6 @@ protected:
private:
/* memory pointers */
required_shared_ptr_array<uint8_t, 2> m_paletteram;
required_shared_ptr<uint8_t> m_fgram;
required_memory_bank m_mainbank;
@ -92,10 +90,9 @@ private:
DECLARE_WRITE8_MEMBER(fgram_w);
DECLARE_WRITE8_MEMBER(cpubank_w);
DECLARE_WRITE8_MEMBER(coin_counters_w);
template<uint8_t Which> DECLARE_WRITE8_MEMBER(palette_w);
TILE_GET_INFO_MEMBER(get_fg_tile_info);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void set_color(int offset);
DECLARE_PALETTE_DECODER(BBBGGGGGxBBRRRRR);
void main_cpu(address_map &map);
void main_cpu_io(address_map &map);
void sound_cpu(address_map &map);
@ -155,18 +152,12 @@ WRITE8_MEMBER(onetwo_state::coin_counters_w)
machine().bookkeeping().coin_counter_w(1, BIT(data, 2));
}
void onetwo_state::set_color(int offset)
PALETTE_DECODER_MEMBER(onetwo_state, BBBGGGGGxBBRRRRR)
{
int r = m_paletteram[0][offset] & 0x1f;
int g = m_paletteram[1][offset] & 0x1f;
int b = ((m_paletteram[0][offset] & 0x60) >> 2) | ((m_paletteram[1][offset] & 0xe0) >> 5);
m_palette->set_pen_color(offset, pal5bit(r), pal5bit(g), pal5bit(b));
}
template<uint8_t Which>
WRITE8_MEMBER(onetwo_state::palette_w)
{
m_paletteram[Which][offset] = data;
set_color(offset);
uint8_t const r = pal5bit((raw >> 0) & 0x1f);
uint8_t const g = pal5bit((raw >> 8) & 0x1f);
uint8_t const b = pal5bit(((raw >> 2) & 0x18) | ((raw >> 13) & 0x7));
return rgb_t(r, g, b);
}
/*************************************
@ -179,8 +170,8 @@ void onetwo_state::main_cpu(address_map &map)
{
map(0x0000, 0x7fff).rom().region("maincpu", 0);
map(0x8000, 0xbfff).bankr(m_mainbank);
map(0xc800, 0xc87f).ram().w(FUNC(onetwo_state::palette_w<0>)).share(m_paletteram[0]);
map(0xc900, 0xc97f).ram().w(FUNC(onetwo_state::palette_w<1>)).share(m_paletteram[1]);
map(0xc800, 0xc87f).ram().w(m_palette, FUNC(palette_device::write8)).share("palette");
map(0xc900, 0xc97f).ram().w(m_palette, FUNC(palette_device::write8_ext)).share("palette_ext");
map(0xd000, 0xdfff).ram().w(FUNC(onetwo_state::fgram_w)).share(m_fgram);
map(0xe000, 0xffff).ram();
}
@ -327,8 +318,8 @@ static const gfx_layout tiles8x8x6_layout =
RGN_FRAC(1,3),
6,
{ RGN_FRAC(2,3)+0, RGN_FRAC(2,3)+4, RGN_FRAC(0,3)+0, RGN_FRAC(0,3)+4, RGN_FRAC(1,3)+0, RGN_FRAC(1,3)+4 },
{ 0, 1, 2, 3, 8*8+0, 8*8+1, 8*8+2, 8*8+3 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
{ STEP4(0,1), STEP4(4*2*8,1) },
{ STEP8(0,4*2) },
16*8
};
@ -372,7 +363,7 @@ void onetwo_state::onetwo(machine_config &config)
screen.set_palette(m_palette);
GFXDECODE(config, m_gfxdecode, m_palette, gfx_onetwo);
PALETTE(config, m_palette, 0x80);
PALETTE(config, m_palette, 0x80).set_format(raw_to_rgb_converter(2, &onetwo_state::BBBGGGGGxBBRRRRR_decoder));
/* sound hardware */
SPEAKER(config, "mono").front_center();
@ -405,7 +396,7 @@ ROM_START( onetwo )
ROM_REGION( 0x180000, "gfx1", 0 )
ROM_LOAD( "3_graphics", 0x000000, 0x80000, CRC(c72ff3a0) SHA1(17394d8a8b5ef4aee9522d87ba92ef1285f4d76a) )
ROM_LOAD( "4_graphics", 0x080000, 0x80000, CRC(0ca40557) SHA1(ca2db57d64ece90f2066f15b276c8d5827dcb4fa) )
ROM_LOAD( "5_graphics", 0x100000, 0x80000, CRC(664b6679) SHA1(f9f78bd34fb58e24f890a540382392e1c9d01220) )
ROM_LOAD( "5_graphics", 0x100000, 0x80000, CRC(664b6679) SHA1(f9f78bd34fb58e24f890a540382392e1c9d01220) )
ROM_REGION( 0x40000, "oki", 0 )
ROM_LOAD( "sample", 0x000000, 0x40000, CRC(b10d3132) SHA1(42613e17b6a1300063b8355596a2dc7bcd903777) )