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(MESS) alphatronic : added remaining screen attributes

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This commit is contained in:
Robbbert 2014-03-09 07:11:35 +00:00
parent 94ad2945ae
commit f55193ab2d
1 changed files with 52 additions and 36 deletions
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88
src/mess/drivers/alphatro.c
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@ -49,42 +49,43 @@ public:
};
alphatro_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_crtc(*this, "crtc"),
m_usart(*this, "usart"),
m_cass(*this, "cassette"),
m_beep(*this, "beeper"),
m_p_ram(*this, "p_ram"),
m_p_videoram(*this, "videoram"){ }
required_device<cpu_device> m_maincpu;
required_device<mc6845_device> m_crtc;
required_device<i8251_device> m_usart;
required_device<cassette_image_device> m_cass;
required_device<beep_device> m_beep;
: driver_device(mconfig, type, tag)
, m_p_videoram(*this, "videoram")
, m_maincpu(*this, "maincpu")
, m_crtc(*this, "crtc")
, m_usart(*this, "usart")
, m_cass(*this, "cassette")
, m_beep(*this, "beeper")
, m_p_ram(*this, "main_ram")
{ }
DECLARE_READ8_MEMBER(port10_r);
DECLARE_WRITE8_MEMBER(port10_w);
DECLARE_INPUT_CHANGED_MEMBER(alphatro_break);
DECLARE_WRITE_LINE_MEMBER(txdata_callback);
DECLARE_WRITE_LINE_MEMBER(write_usart_clock);
DECLARE_PALETTE_INIT(alphatro);
TIMER_DEVICE_CALLBACK_MEMBER(alphatro_c);
TIMER_DEVICE_CALLBACK_MEMBER(alphatro_p);
required_shared_ptr<UINT8> m_p_ram;
required_shared_ptr<UINT8> m_p_videoram;
emu_timer* m_sys_timer;
UINT8 *m_p_chargen;
virtual void video_start();
virtual void machine_start();
virtual void machine_reset();
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
DECLARE_PALETTE_INIT(alphatro);
UINT16 m_flashcnt;
private:
UINT8 m_timer_bit;
UINT8 m_cass_data[4];
bool m_cass_state;
emu_timer* m_sys_timer;
virtual void video_start();
virtual void machine_start();
virtual void machine_reset();
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
required_device<cpu_device> m_maincpu;
required_device<mc6845_device> m_crtc;
required_device<i8251_device> m_usart;
required_device<cassette_image_device> m_cass;
required_device<beep_device> m_beep;
required_shared_ptr<UINT8> m_p_ram;
};
READ8_MEMBER( alphatro_state::port10_r )
@ -155,36 +156,51 @@ static MC6845_UPDATE_ROW( alphatro_update_row )
alphatro_state *state = device->machine().driver_data<alphatro_state>();
const rgb_t *pens = bitmap.palette()->entry_list_raw();
bool palette = BIT(state->ioport("CONFIG")->read(), 5);
UINT8 chr,gfx,attr,fg,inv;
state->m_flashcnt++;
bool inv;
UINT8 chr,gfx,attr,bg,fg;
UINT16 mem,x;
UINT32 *p = &bitmap.pix32(y);
for (x = 0; x < x_count; x++)
{
inv = (x == cursor_x) ? 0xff : 0;
inv = (x == cursor_x);
mem = (ma + x) & 0x7ff;
chr = state->m_p_videoram[mem];
attr = state->m_p_videoram[mem | 0x800];
fg = (palette) ? 8 : attr & 7; // amber or RGB
bg = (palette) ? 0 : (attr & 0x38) >> 3;
if (BIT(attr, 7)) // reverse video for fkey labels
if BIT(attr, 7) // reverse video
{
inv ^= 0xff;
inv ^= 1;
chr &= 0x7f;
}
if (BIT(attr, 6) & BIT(state->m_flashcnt, 13)) // flashing
{
inv ^= 1;
}
/* get pattern of pixels for that character scanline */
gfx = state->m_p_chargen[(chr<<4) | ra] ^ inv;
gfx = state->m_p_chargen[(chr<<4) | ra];
if (inv)
{
UINT8 t = bg;
bg = fg;
fg = t;
}
/* Display a scanline of a character (8 pixels) */
*p++ = pens[BIT(gfx, 7) ? fg : 0];
*p++ = pens[BIT(gfx, 6) ? fg : 0];
*p++ = pens[BIT(gfx, 5) ? fg : 0];
*p++ = pens[BIT(gfx, 4) ? fg : 0];
*p++ = pens[BIT(gfx, 3) ? fg : 0];
*p++ = pens[BIT(gfx, 2) ? fg : 0];
*p++ = pens[BIT(gfx, 1) ? fg : 0];
*p++ = pens[BIT(gfx, 0) ? fg : 0];
*p++ = pens[BIT(gfx, 7) ? fg : bg];
*p++ = pens[BIT(gfx, 6) ? fg : bg];
*p++ = pens[BIT(gfx, 5) ? fg : bg];
*p++ = pens[BIT(gfx, 4) ? fg : bg];
*p++ = pens[BIT(gfx, 3) ? fg : bg];
*p++ = pens[BIT(gfx, 2) ? fg : bg];
*p++ = pens[BIT(gfx, 1) ? fg : bg];
*p++ = pens[BIT(gfx, 0) ? fg : bg];
}
}
@ -194,7 +210,7 @@ INPUT_CHANGED_MEMBER( alphatro_state::alphatro_break )
}
static ADDRESS_MAP_START( alphatro_map, AS_PROGRAM, 8, alphatro_state )
AM_RANGE(0x0000, 0xefff) AM_RAM AM_SHARE("p_ram")
AM_RANGE(0x0000, 0xefff) AM_RAM AM_SHARE("main_ram")
AM_RANGE(0xf000, 0xffff) AM_RAM AM_SHARE("videoram")
ADDRESS_MAP_END