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Various avt.c progresses

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This commit is contained in:
Angelo Salese 2011-12-20 00:49:44 +00:00
parent 1a5858311f
commit 303c6e5dc5
1 changed files with 94 additions and 20 deletions
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114
src/mame/drivers/avt.c
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@ -5,6 +5,8 @@
Driver by Roberto Fresca. Driver by Roberto Fresca.
TODO:
- needs CTC and daisy chain to make progresses
Games running on this hardware: Games running on this hardware:
@ -399,6 +401,7 @@
************************************************************************************************/ ************************************************************************************************/
#define ADDRESS_MAP_MODERN
#define MASTER_CLOCK XTAL_10MHz /* unknown */ #define MASTER_CLOCK XTAL_10MHz /* unknown */
@ -418,13 +421,42 @@ class avt_state : public driver_device
{ {
public: public:
avt_state(const machine_config &mconfig, device_type type, const char *tag) avt_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { } : driver_device(mconfig, type, tag),
m_maincpu(*this,"maincpu"),
m_crtc(*this, "crtc")
{ }
DECLARE_WRITE8_MEMBER(avt_6845_address_w);
DECLARE_WRITE8_MEMBER(avt_6845_data_w);
DECLARE_READ8_MEMBER( avt_6845_data_r );
DECLARE_WRITE8_MEMBER(avt_videoram_w);
DECLARE_WRITE8_MEMBER(avt_colorram_w);
UINT8 *m_videoram; UINT8 *m_videoram;
UINT8 *m_colorram; UINT8 *m_colorram;
tilemap_t *m_bg_tilemap; tilemap_t *m_bg_tilemap;
UINT8 m_crtc_vreg[0x100],m_crtc_index;
required_device<cpu_device> m_maincpu;
required_device<mc6845_device> m_crtc;
}; };
#define mc6845_h_char_total (state->m_crtc_vreg[0])
#define mc6845_h_display (state->m_crtc_vreg[1])
#define mc6845_h_sync_pos (state->m_crtc_vreg[2])
#define mc6845_sync_width (state->m_crtc_vreg[3])
#define mc6845_v_char_total (state->m_crtc_vreg[4])
#define mc6845_v_total_adj (state->m_crtc_vreg[5])
#define mc6845_v_display (state->m_crtc_vreg[6])
#define mc6845_v_sync_pos (state->m_crtc_vreg[7])
#define mc6845_mode_ctrl (state->m_crtc_vreg[8])
#define mc6845_tile_height (state->m_crtc_vreg[9]+1)
#define mc6845_cursor_y_start (state->m_crtc_vreg[0x0a])
#define mc6845_cursor_y_end (state->m_crtc_vreg[0x0b])
#define mc6845_start_addr (((state->m_crtc_vreg[0x0c]<<8) & 0x3f00) | (state->m_crtc_vreg[0x0d] & 0xff))
#define mc6845_cursor_addr (((state->m_crtc_vreg[0x0e]<<8) & 0x3f00) | (state->m_crtc_vreg[0x0f] & 0xff))
#define mc6845_light_pen_addr (((state->m_crtc_vreg[0x10]<<8) & 0x3f00) | (state->m_crtc_vreg[0x11] & 0xff))
#define mc6845_update_addr (((state->m_crtc_vreg[0x12]<<8) & 0x3f00) | (state->m_crtc_vreg[0x13] & 0xff))
/********************************************* /*********************************************
@ -432,19 +464,17 @@ public:
*********************************************/ *********************************************/
static WRITE8_HANDLER( avt_videoram_w ) WRITE8_MEMBER( avt_state::avt_videoram_w )
{ {
avt_state *state = space->machine().driver_data<avt_state>(); m_videoram[offset] = data;
state->m_videoram[offset] = data; tilemap_mark_tile_dirty(m_bg_tilemap, offset);
tilemap_mark_tile_dirty(state->m_bg_tilemap, offset);
} }
static WRITE8_HANDLER( avt_colorram_w ) WRITE8_MEMBER( avt_state::avt_colorram_w )
{ {
avt_state *state = space->machine().driver_data<avt_state>(); m_colorram[offset] = data;
state->m_colorram[offset] = data; tilemap_mark_tile_dirty(m_bg_tilemap, offset);
tilemap_mark_tile_dirty(state->m_bg_tilemap, offset);
} }
@ -457,7 +487,7 @@ static TILE_GET_INFO( get_bg_tile_info )
---- xxxx seems unused. ---- xxxx seems unused.
*/ */
int attr = state->m_colorram[tile_index]; int attr = state->m_colorram[tile_index];
int code = state->m_videoram[tile_index]; int code = state->m_videoram[tile_index] | ((attr & 1) << 8);
int color = (attr & 0xf0)>>4; int color = (attr & 0xf0)>>4;
SET_TILE_INFO( 0, code, color, 0); SET_TILE_INFO( 0, code, color, 0);
@ -474,7 +504,25 @@ static VIDEO_START( avt )
static SCREEN_UPDATE( avt ) static SCREEN_UPDATE( avt )
{ {
avt_state *state = screen->machine().driver_data<avt_state>(); avt_state *state = screen->machine().driver_data<avt_state>();
tilemap_draw(bitmap, cliprect, state->m_bg_tilemap, 0, 0); int x,y;
int count;
const gfx_element *gfx = screen->machine().gfx[0];
count = 0;
for(y=0;y<mc6845_v_display;y++)
{
for(x=0;x<mc6845_h_display;x++)
{
UINT16 tile = state->m_videoram[count] | ((state->m_colorram[count] & 1) << 8);
UINT8 color = (state->m_colorram[count] & 0xf0) >> 4;
drawgfx_opaque(bitmap,cliprect,gfx,tile,color,0,0,x*8,(y*8));
count++;
}
}
//tilemap_draw(bitmap, cliprect, state->m_bg_tilemap, 0, 0);
return 0; return 0;
} }
@ -539,32 +587,50 @@ static PALETTE_INIT( avt )
// popmessage("written : %02X", data); // popmessage("written : %02X", data);
//} //}
WRITE8_MEMBER( avt_state::avt_6845_address_w )
{
m_crtc_index = data;
m_crtc->address_w(space, offset, data);
}
WRITE8_MEMBER( avt_state::avt_6845_data_w )
{
m_crtc_vreg[m_crtc_index] = data;
m_crtc->register_w(space, offset, data);
}
READ8_MEMBER( avt_state::avt_6845_data_r )
{
//m_crtc_vreg[m_crtc_index] = data;
return m_crtc->register_r(space, offset);
}
/********************************************* /*********************************************
* Memory Map Information * * Memory Map Information *
*********************************************/ *********************************************/
/* avtnfl, avtbingo */ /* avtnfl, avtbingo */
static ADDRESS_MAP_START( avt_map, AS_PROGRAM, 8 ) static ADDRESS_MAP_START( avt_map, AS_PROGRAM, 8, avt_state )
AM_RANGE(0x0000, 0x5fff) AM_ROM AM_RANGE(0x0000, 0x5fff) AM_ROM
AM_RANGE(0x6000, 0x7fff) AM_RAM AM_RANGE(0x6000, 0x7fff) AM_RAM
AM_RANGE(0x8000, 0x9fff) AM_RAM // AM_SHARE("nvram") AM_RANGE(0x8000, 0x9fff) AM_RAM // AM_SHARE("nvram")
AM_RANGE(0xa000, 0xa7ff) AM_RAM_WRITE(avt_videoram_w) AM_BASE_MEMBER(avt_state, m_videoram) AM_RANGE(0xa000, 0xa7ff) AM_RAM_WRITE(avt_videoram_w) AM_BASE(m_videoram)
AM_RANGE(0xc000, 0xc7ff) AM_RAM_WRITE(avt_colorram_w) AM_BASE_MEMBER(avt_state, m_colorram) AM_RANGE(0xc000, 0xc7ff) AM_RAM_WRITE(avt_colorram_w) AM_BASE(m_colorram)
ADDRESS_MAP_END ADDRESS_MAP_END
static ADDRESS_MAP_START( avt_portmap, AS_IO, 8 ) static ADDRESS_MAP_START( avt_portmap, AS_IO, 8, avt_state )
ADDRESS_MAP_GLOBAL_MASK(0xff) ADDRESS_MAP_GLOBAL_MASK(0xff)
// AM_RANGE(0x00, 0x03) unk, maybe IO // AM_RANGE(0x00, 0x03) unk, maybe IO
// AM_RANGE(0x00, 0x00) AM_READ_PORT("IN0") // AM_RANGE(0x00, 0x00) AM_READ_PORT("IN0")
// AM_RANGE(0x01, 0x01) AM_READ_PORT("IN1") // AM_RANGE(0x01, 0x01) AM_READ_PORT("IN1")
AM_RANGE(0x02, 0x02) AM_READ_PORT("DSW1")
// AM_RANGE(0x08, 0x0b) unk, maybe IO // AM_RANGE(0x08, 0x0b) unk, maybe IO
// AM_RANGE(0x08, 0x08) AM_READ_PORT("IN2") // AM_RANGE(0x08, 0x08) AM_READ_PORT("IN2")
// AM_RANGE(0x09, 0x09) AM_READ_PORT("IN3") // AM_RANGE(0x09, 0x09) AM_READ_PORT("IN3")
AM_RANGE(0x21, 0x21) AM_DEVWRITE("aysnd", ay8910_data_w) /* AY8910 data */ AM_RANGE(0x21, 0x21) AM_DEVWRITE_LEGACY("aysnd", ay8910_data_w) /* AY8910 data */
AM_RANGE(0x23, 0x23) AM_DEVWRITE("aysnd", ay8910_address_w) /* AY8910 control */ AM_RANGE(0x23, 0x23) AM_DEVWRITE_LEGACY("aysnd", ay8910_address_w) /* AY8910 control */
AM_RANGE(0x28, 0x28) AM_DEVWRITE_MODERN("crtc", mc6845_device, address_w) AM_RANGE(0x28, 0x28) AM_WRITE(avt_6845_address_w)
AM_RANGE(0x29, 0x29) AM_DEVREADWRITE_MODERN("crtc", mc6845_device, register_r, register_w) AM_RANGE(0x29, 0x29) AM_READWRITE(avt_6845_data_r,avt_6845_data_w)
ADDRESS_MAP_END ADDRESS_MAP_END
/* I/O byte R/W /* I/O byte R/W
@ -810,13 +876,21 @@ static const ay8910_interface ay8910_config =
* Machine Drivers * * Machine Drivers *
*********************************************/ *********************************************/
/* IM 2 */
static INTERRUPT_GEN( avt_vblank_irq )
{
avt_state *state = device->machine().driver_data<avt_state>();
device_set_input_line_and_vector(state->m_maincpu, 0, HOLD_LINE, 0x06);
}
static MACHINE_CONFIG_START( avt, avt_state ) static MACHINE_CONFIG_START( avt, avt_state )
/* basic machine hardware */ /* basic machine hardware */
MCFG_CPU_ADD("maincpu", Z80, CPU_CLOCK) /* guess */ MCFG_CPU_ADD("maincpu", Z80, CPU_CLOCK) /* guess */
MCFG_CPU_PROGRAM_MAP(avt_map) MCFG_CPU_PROGRAM_MAP(avt_map)
MCFG_CPU_IO_MAP(avt_portmap) MCFG_CPU_IO_MAP(avt_portmap)
// MCFG_CPU_VBLANK_INT("screen", nmi_line_pulse) MCFG_CPU_VBLANK_INT("screen", avt_vblank_irq)
/* video hardware */ /* video hardware */
MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_ADD("screen", RASTER)