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r33913 Monday 15th December, 2014 at 21:24:12 UTC by Olivier Galibert
Add a pretty pink bow on the gift (nw)

[src/mess/drivers]

hp16500.c

trunk/src/mess/drivers/hp16500.c

r242424	r242425
27	27	public:
28	28	hp16500_state(const machine_config &mconfig, device_type type, const char *tag)
29	29	: driver_device(mconfig, type, tag),
30		m_maincpu(*this, "maincpu"),
31		m_vram(*this, "vram")
	30	m_maincpu(*this, "maincpu")
32	31	{ }
33	32
34	33	virtual void video_start();
35	34	UINT32 screen_update_hp16500(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
36	35
37	36	required_device<cpu_device> m_maincpu;
38		required_shared_ptr<UINT32> m_vram;
	37	dynamic_array<UINT8> m_vram;
39	38
	39	UINT8 m_mask, m_val;
40	40
41	41	DECLARE_WRITE32_MEMBER(palette_w);
42	42
	43	DECLARE_WRITE8_MEMBER(vram_w);
	44	DECLARE_READ8_MEMBER (vram_r);
	45	DECLARE_WRITE8_MEMBER(mask_w);
	46	DECLARE_WRITE8_MEMBER(val_w);
	47
43	48	private:
44	49	UINT32 m_palette[256], m_colors[3], m_count, m_clutoffs;
45	50	};
r242424	r242425
47	52	static ADDRESS_MAP_START(hp16500_map, AS_PROGRAM, 32, hp16500_state)
48	53	AM_RANGE(0x00000000, 0x0001ffff) AM_ROM AM_REGION("bios", 0)
49	54	AM_RANGE(0x0020f000, 0x0020f003) AM_WRITE(palette_w)
50		AM_RANGE(0x00600000, 0x0063ffff) AM_RAM AM_SHARE("vram")
	55	AM_RANGE(0x00600000, 0x0061ffff) AM_WRITE8(vram_w, 0x00ff00ff)
	56	AM_RANGE(0x00600000, 0x0067ffff) AM_READ8 (vram_r, 0x00ff00ff)
	57	AM_RANGE(0x00700000, 0x00700003) AM_WRITE8(mask_w, 0xff000000)
	58	AM_RANGE(0x00740000, 0x00740003) AM_WRITE8(val_w,  0xff000000)
51	59	AM_RANGE(0x00800000, 0x009fffff) AM_RAM     // 284e end of test - d0 = 0 for pass
52	60	ADDRESS_MAP_END
53	61
r242424	r242425
56	64	m_count = 0;
57	65	m_clutoffs = 0;
58	66	memset(m_palette, 0, sizeof(m_palette));
	67	m_vram.resize(0x40000);
	68	m_mask = 0;
	69	m_val = 0;
59	70	}
60	71
	72	WRITE8_MEMBER(hp16500_state::vram_w)
	73	{
	74	for(int i=0; i<4; i++) {
	75	int off = offset + i * 0x10000;
	76	if(data & (8 >> i))
	77	m_vram[off] = (m_vram[off] & ~m_mask) | (m_val & m_mask);
	78	else
	79	m_vram[off] = (m_vram[off] & ~m_mask);
	80	}
	81	}
	82
	83	READ8_MEMBER (hp16500_state::vram_r)
	84	{
	85	return m_vram[offset];
	86	}
	87
	88	WRITE8_MEMBER(hp16500_state::mask_w)
	89	{
	90	m_mask = data;
	91	}
	92
	93	WRITE8_MEMBER(hp16500_state::val_w)
	94	{
	95	m_val = data;
	96	}
	97
61	98	WRITE32_MEMBER(hp16500_state::palette_w)
62	99	{
63	100	if (mem_mask == 0xff000000)
r242424	r242425
92	129	// addr = ((Y * 0xfc0) + 0x360) + (X * 4)
93	130	UINT32 hp16500_state::screen_update_hp16500(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
94	131	{
95		UINT32 *scanline;
96		int x, y;
97		UINT32 pixels;
98
99		for (y = 0; y < 400; y++)
	132	int pos = 0;
	133	for (int y = 0; y < 384; y++)
100	134	{
101		scanline = &bitmap.pix32(y);
	135	UINT32 *scanline = &bitmap.pix32(y);
102	136
103		for (x = 0; x < 576/8; x++)
	137	for (int x = 0; x < 576; x+=4)
104	138	{
105		pixels = m_vram[(y * (288/4)) + x];
106
107		UINT8 gfx = ((pixels & 0xf0000) >> 12) | (pixels & 15);
108		*scanline++ = m_palette[BIT(gfx, 7) ? 2 : 0];
109		*scanline++ = m_palette[BIT(gfx, 6) ? 2 : 0];
110		*scanline++ = m_palette[BIT(gfx, 5) ? 2 : 0];
111		*scanline++ = m_palette[BIT(gfx, 4) ? 2 : 0];
112		*scanline++ = m_palette[BIT(gfx, 3) ? 2 : 0];
113		*scanline++ = m_palette[BIT(gfx, 2) ? 2 : 0];
114		*scanline++ = m_palette[BIT(gfx, 1) ? 2 : 0];
115		*scanline++ = m_palette[BIT(gfx, 0) ? 2 : 0];
116		#if 0
117		*scanline++ = m_palette[((pixels&0xf0000000)>>28)];
118		*scanline++ = m_palette[((pixels&0xf000000)>>24)];
119		*scanline++ = m_palette[((pixels&0xf00000)>>20)];
120		*scanline++ = m_palette[((pixels&0xf0000)>>16)];
121		*scanline++ = m_palette[((pixels&0xf000)>>12)];
122		*scanline++ = m_palette[((pixels&0xf00)>>8)];
123		*scanline++ = m_palette[((pixels&0xf0)>>4)];
124		*scanline++ = m_palette[(pixels&0xf)];
125		#endif
	139	*scanline++ = m_palette[m_vram[pos+0x00000]];
	140	*scanline++ = m_palette[m_vram[pos+0x10000]];
	141	*scanline++ = m_palette[m_vram[pos+0x20000]];
	142	*scanline++ = m_palette[m_vram[pos+0x30000]];
	143	pos++;
126	144	}
127	145	}
128	146
r242424	r242425
136	154
137	155	MCFG_SCREEN_ADD("screen", RASTER)
138	156	MCFG_SCREEN_UPDATE_DRIVER(hp16500_state, screen_update_hp16500)
139		MCFG_SCREEN_SIZE(576,400)
140		MCFG_SCREEN_VISIBLE_AREA(0, 576-1, 0, 400-1)
	157	MCFG_SCREEN_SIZE(576,384)
	158	MCFG_SCREEN_VISIBLE_AREA(0, 576-1, 0, 384-1)
141	159	MCFG_SCREEN_REFRESH_RATE(60)
142	160
143	161	MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")

https://github.com/mamedev/mame/commit/44faea15f0fd17671ad26b571372e3048fb327b6

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