// license:BSD-3-Clause
// copyright-holders:Wilbert Pol
/******************************************************************************
K1GE/K2GE graphics emulation
The K1GE graphics were used in the Neogeo pocket mono; the K2GE graphics were
used in the Neogeo pocket color.
******************************************************************************/
#include "emu.h"
#include "k1ge.h"
#include "screen.h"
void k1ge_device::k1ge_palette(palette_device &palette) const
{
for (int i = 0; i < 8; i++)
{
int const j = pal3bit(i);
palette.set_pen_color(7 - i, j, j, j);
}
}
void k2ge_device::k2ge_palette(palette_device &palette) const
{
for (int b = 0; b < 16; b++ )
{
for (int g = 0; g < 16; g++ )
{
for (int r = 0; r < 16; r++ )
{
palette.set_pen_color((b << 8) | (g << 4) | r, (r << 4) | r, (g << 4) | g, (b << 4) | b);
}
}
}
}
READ8_MEMBER( k1ge_device::read )
{
assert(offset < 0x4000);
uint8_t data = m_vram[offset];
switch( offset )
{
case 0x008: /* RAS.H */
data = screen().hpos() >> 2;
break;
case 0x009: /* RAS.V */
data = screen().vpos();
break;
}
return data;
}
WRITE8_MEMBER( k1ge_device::write )
{
assert(offset < 0x4000);
switch( offset )
{
case 0x000:
m_vblank_pin_w( ( data & 0x80 ) ? ( ( m_vram[0x010] & 0x40 ) ? 1 : 0 ) : 0 );
break;
case 0x030:
data &= 0x80;
break;
case 0x101: case 0x102: case 0x103:
case 0x105: case 0x106: case 0x107:
case 0x109: case 0x10a: case 0x10b:
case 0x10d: case 0x10e: case 0x10f:
case 0x111: case 0x112: case 0x113:
case 0x115: case 0x116: case 0x117:
data &= 0x07;
break;
case 0x7e2:
if ( m_vram[0x7f0] != 0xaa )
return;
data &= 0x80;
break;
}
/* Only the lower 4 bits of the palette entry high bytes can be written */
if ( offset >= 0x0200 && offset < 0x0400 && ( offset & 1 ) )
{
data &= 0x0f;
}
m_vram[offset] = data;
}
void k1ge_device::draw_scroll_plane( uint16_t *p, uint16_t base, int line, int scroll_x, int scroll_y, int pal_base )
{
int i;
int offset_x = ( scroll_x >> 3 ) * 2;
int px = scroll_x & 0x07;
uint16_t map_data;
uint16_t hflip;
uint16_t pcode;
uint16_t tile_addr;
uint16_t tile_data;
base += ( ( ( ( scroll_y + line ) >> 3 ) * 0x0040 ) & 0x7ff );
/* setup */
map_data = m_vram[ base + offset_x ] | ( m_vram[ base + offset_x + 1 ] << 8 );
hflip = map_data & 0x8000;
pcode = pal_base + ( ( map_data & 0x2000 ) ? 4 : 0 );
tile_addr = 0x2000 + ( ( map_data & 0x1ff ) * 16 );
if ( map_data & 0x4000 )
tile_addr += ( 7 - ( ( scroll_y + line ) & 0x07 ) ) * 2;
else
tile_addr += ( ( scroll_y + line ) & 0x07 ) * 2;
tile_data = m_vram[ tile_addr ] | ( m_vram[ tile_addr + 1 ] << 8 );
if ( hflip )
tile_data >>= 2 * ( scroll_x & 0x07 );
else
tile_data <<= 2 * ( scroll_x & 0x07 );
/* draw pixels */
for ( i = 0; i < 160; i++ )
{
uint16_t col;
if ( hflip )
{
col = tile_data & 0x0003;
tile_data >>= 2;
}
else
{
col = tile_data >> 14;
tile_data <<= 2;
}
if ( col )
{
p[ i ] = m_vram[ pcode + col ];
}
px++;
if ( px >= 8 )
{
offset_x = ( offset_x + 2 ) & 0x3f;
map_data = m_vram[ base + offset_x ] | ( m_vram[ base + offset_x + 1 ] << 8 );
hflip = map_data & 0x8000;
pcode = pal_base + ( ( map_data & 0x2000 ) ? 4 : 0 );
tile_addr = 0x2000 + ( ( map_data & 0x1ff ) * 16 );
if ( map_data & 0x4000 )
tile_addr += ( 7 - ( ( scroll_y + line ) & 0x07 ) ) * 2;
else
tile_addr += ( ( scroll_y + line ) & 0x07 ) * 2;
tile_data = m_vram[ tile_addr ] | ( m_vram[ tile_addr + 1 ] << 8 );
px = 0;
}
}
}
void k1ge_device::draw_sprite_plane( uint16_t *p, uint16_t priority, int line, int scroll_x, int scroll_y )
{
struct {
uint16_t spr_data;
uint8_t x;
uint8_t y;
} spr[64];
int num_sprites = 0;
uint8_t spr_y = 0;
uint8_t spr_x = 0;
int i;
priority <<= 11;
/* Select sprites */
for ( i = 0; i < 256; i += 4 )
{
uint16_t spr_data = m_vram[ 0x800 + i ] | ( m_vram[ 0x801 + i ] << 8 );
uint8_t x = m_vram[ 0x802 + i ];
uint8_t y = m_vram[ 0x803 + i ];
spr_x = ( spr_data & 0x0400 ) ? ( spr_x + x ) : ( scroll_x + x );
spr_y = ( spr_data & 0x0200 ) ? ( spr_y + y ) : ( scroll_y + y );
if ( ( spr_data & 0x1800 ) == priority )
{
if ( ( line >= spr_y || spr_y > 0xf8 ) && line < ( ( spr_y + 8 ) & 0xff ) )
{
spr[num_sprites].spr_data = spr_data;
spr[num_sprites].y = spr_y;
spr[num_sprites].x = spr_x;
num_sprites++;
}
}
}
/* Draw sprites */
for ( i = num_sprites-1; i >= 0; i-- )
{
int j;
uint16_t tile_addr;
uint16_t tile_data;
uint16_t pcode = 0x100 + ( ( spr[i].spr_data & 0x2000 ) ? 4 : 0 );
tile_addr = 0x2000 + ( ( spr[i].spr_data & 0x1ff ) * 16 );
if ( spr[i].spr_data & 0x4000 )
tile_addr += ( 7 - ( ( line - spr[i].y ) & 0x07 ) ) * 2;
else
tile_addr += ( ( line - spr[i].y ) & 0x07 ) * 2;
tile_data = m_vram[ tile_addr ] | ( m_vram[ tile_addr + 1 ] << 8 );
for ( j = 0; j < 8; j++ )
{
uint16_t col;
spr_x = spr[i].x + j;
if ( spr[i].spr_data & 0x8000 )
{
col = tile_data & 0x03;
tile_data >>= 2;
}
else
{
col = tile_data >> 14;
tile_data <<= 2;
}
if ( spr_x < 160 && col )
{
p[ spr_x ] = m_vram[ pcode + col ];
}
}
}
}
void k1ge_device::draw( int line )
{
uint16_t *p = &m_bitmap->pix16(line);
uint16_t oowcol = m_vram[0x012] & 0x07;
int i;
if ( line < m_wba_v || line >= m_wba_v + m_wsi_v )
{
for( i = 0; i < 160; i++ )
{
p[i] = oowcol;
}
}
else
{
uint16_t col = ( ( m_vram[0x118] & 0xc0 ) == 0x80 ) ? m_vram[0x118] & 0x07 : 0;
for ( i = 0; i < 160; i++ )
p[i] = col;
if ( m_vram[0x030] & 0x80 )
{
/* Draw sprites with 01 priority */
draw_sprite_plane( p, 1, line, m_vram[0x020], m_vram[0x021] );
/* Draw PF1 */
draw_scroll_plane( p, 0x1000, line, m_vram[0x032], m_vram[0x033], 0x108 );
/* Draw sprites with 10 priority */
draw_sprite_plane( p, 2, line, m_vram[0x020], m_vram[0x021] );
/* Draw PF2 */
draw_scroll_plane( p, 0x1800, line, m_vram[0x034], m_vram[0x035], 0x110 );
/* Draw sprites with 11 priority */
draw_sprite_plane( p, 3, line, m_vram[0x020], m_vram[0x021] );
}
else
{
/* Draw sprites with 01 priority */
draw_sprite_plane( p, 1, line, m_vram[0x020], m_vram[0x021] );
/* Draw PF2 */
draw_scroll_plane( p, 0x1800, line, m_vram[0x034], m_vram[0x035], 0x110 );
/* Draw sprites with 10 priority */
draw_sprite_plane( p, 2, line, m_vram[0x020], m_vram[0x021] );
/* Draw PF1 */
draw_scroll_plane( p, 0x1000, line, m_vram[0x032], m_vram[0x033], 0x108 );
/* Draw sprites with 11 priority */
draw_sprite_plane( p, 3, line, m_vram[0x020], m_vram[0x021] );
}
for( i = 0; i < m_wba_h; i++ )
{
p[i] = oowcol;
}
for( i = m_wba_h + m_wsi_h; i < 160; i++ )
{
p[i] = oowcol;
}
}
}
void k2ge_device::draw_scroll_plane( uint16_t *p, uint16_t base, int line, int scroll_x, int scroll_y, uint16_t pal_base )
{
int i;
int offset_x = ( scroll_x >> 3 ) * 2;
int px = scroll_x & 0x07;
uint16_t map_data;
uint16_t hflip;
uint16_t pcode;
uint16_t tile_addr;
uint16_t tile_data;
base += ( ( ( ( scroll_y + line ) >> 3 ) * 0x0040 ) & 0x7ff );
/* setup */
map_data = m_vram[ base + offset_x ] | ( m_vram[ base + offset_x + 1 ] << 8 );
hflip = map_data & 0x8000;
pcode = pal_base + ( ( map_data & 0x1e00 ) >> 6 );
tile_addr = 0x2000 + ( ( map_data & 0x1ff ) * 16 );
if ( map_data & 0x4000 )
tile_addr += ( 7 - ( ( scroll_y + line ) & 0x07 ) ) * 2;
else
tile_addr += ( ( scroll_y + line ) & 0x07 ) * 2;
tile_data = m_vram[ tile_addr ] | ( m_vram[ tile_addr + 1 ] << 8 );
if ( hflip )
tile_data >>= 2 * ( scroll_x & 0x07 );
else
tile_data <<= 2 * ( scroll_x & 0x07 );
/* draw pixels */
for ( i = 0; i < 160; i++ )
{
uint16_t col;
if ( hflip )
{
col = tile_data & 0x0003;
tile_data >>= 2;
}
else
{
col = tile_data >> 14;
tile_data <<= 2;
}
if ( col )
{
p[ i ] = m_vram[ pcode + col * 2 ] | ( m_vram[ pcode + col * 2 + 1 ] << 8 );
}
px++;
if ( px >= 8 )
{
offset_x = ( offset_x + 2 ) & 0x3f;
map_data = m_vram[ base + offset_x ] | ( m_vram[ base + offset_x + 1 ] << 8 );
hflip = map_data & 0x8000;
pcode = pal_base + ( ( map_data & 0x1e00 ) >> 6 );
tile_addr = 0x2000 + ( ( map_data & 0x1ff ) * 16 );
if ( map_data & 0x4000 )
tile_addr += ( 7 - ( ( scroll_y + line ) & 0x07 ) ) * 2;
else
tile_addr += ( ( scroll_y + line ) & 0x07 ) * 2;
tile_data = m_vram[ tile_addr ] | ( m_vram[ tile_addr + 1 ] << 8 );
px = 0;
}
}
}
void k2ge_device::draw_sprite_plane( uint16_t *p, uint16_t priority, int line, int scroll_x, int scroll_y )
{
struct {
uint16_t spr_data;
uint8_t x;
uint8_t y;
uint8_t index;
} spr[64];
int num_sprites = 0;
uint8_t spr_y = 0;
uint8_t spr_x = 0;
int i;
priority <<= 11;
/* Select sprites */
for ( i = 0; i < 256; i += 4 )
{
uint16_t spr_data = m_vram[ 0x800 + i ] | ( m_vram[ 0x801 + i ] << 8 );
uint8_t x = m_vram[ 0x802 + i ];
uint8_t y = m_vram[ 0x803 + i ];
spr_x = ( spr_data & 0x0400 ) ? ( spr_x + x ) : ( scroll_x + x );
spr_y = ( spr_data & 0x0200 ) ? ( spr_y + y ) : ( scroll_y + y );
if ( ( spr_data & 0x1800 ) == priority )
{
if ( ( line >= spr_y || spr_y > 0xf8 ) && line < ( ( spr_y + 8 ) & 0xff ) )
{
spr[num_sprites].spr_data = spr_data;
spr[num_sprites].y = spr_y;
spr[num_sprites].x = spr_x;
spr[num_sprites].index = i >> 2;
num_sprites++;
}
}
}
/* Draw sprites */
for ( i = num_sprites-1; i >= 0; i-- )
{
int j;
uint16_t tile_addr;
uint16_t tile_data;
uint16_t pcode = 0x0200 + ( ( m_vram[0x0c00 + spr[i].index ] & 0x0f ) << 3 );
tile_addr = 0x2000 + ( ( spr[i].spr_data & 0x1ff ) * 16 );
if ( spr[i].spr_data & 0x4000 )
tile_addr += ( 7 - ( ( line - spr[i].y ) & 0x07 ) ) * 2;
else
tile_addr += ( ( line - spr[i].y ) & 0x07 ) * 2;
tile_data = m_vram[ tile_addr ] | ( m_vram[ tile_addr + 1 ] << 8 );
for ( j = 0; j < 8; j++ )
{
uint16_t col;
spr_x = spr[i].x + j;
if ( spr[i].spr_data & 0x8000 )
{
col = tile_data & 0x03;
tile_data >>= 2;
}
else
{
col = tile_data >> 14;
tile_data <<= 2;
}
if ( spr_x < 160 && col )
{
p[ spr_x ] = m_vram[ pcode + col * 2 ] | ( m_vram[ pcode + col * 2 + 1 ] << 8 );
}
}
}
}
void k2ge_device::k1ge_draw_scroll_plane( uint16_t *p, uint16_t base, int line, int scroll_x, int scroll_y, uint16_t pal_lut_base, uint16_t k2ge_lut_base )
{
int i;
int offset_x = ( scroll_x >> 3 ) * 2;
int px = scroll_x & 0x07;
uint16_t map_data;
uint16_t hflip;
uint16_t pcode;
uint16_t tile_addr;
uint16_t tile_data;
base += ( ( ( ( scroll_y + line ) >> 3 ) * 0x0040 ) & 0x7ff );
/* setup */
map_data = m_vram[ base + offset_x ] | ( m_vram[ base + offset_x + 1 ] << 8 );
hflip = map_data & 0x8000;
pcode = ( map_data & 0x2000 ) ? 1 : 0;
tile_addr = 0x2000 + ( ( map_data & 0x1ff ) * 16 );
if ( map_data & 0x4000 )
tile_addr += ( 7 - ( ( scroll_y + line ) & 0x07 ) ) * 2;
else
tile_addr += ( ( scroll_y + line ) & 0x07 ) * 2;
tile_data = m_vram[ tile_addr ] | ( m_vram[ tile_addr + 1 ] << 8 );
if ( hflip )
tile_data >>= 2 * ( scroll_x & 0x07 );
else
tile_data <<= 2 * ( scroll_x & 0x07 );
/* draw pixels */
for ( i = 0; i < 160; i++ )
{
uint16_t col;
if ( hflip )
{
col = tile_data & 0x0003;
tile_data >>= 2;
}
else
{
col = tile_data >> 14;
tile_data <<= 2;
}
if ( col )
{
uint16_t col2 = 16 * pcode + ( m_vram[ pal_lut_base + 4 * pcode + col ] * 2 );
p[ i ] = m_vram[ k2ge_lut_base + col2 ] | ( m_vram[ k2ge_lut_base + col2 + 1 ] << 8 );
}
px++;
if ( px >= 8 )
{
offset_x = ( offset_x + 2 ) & 0x3f;
map_data = m_vram[ base + offset_x ] | ( m_vram[ base + offset_x + 1 ] << 8 );
hflip = map_data & 0x8000;
pcode = ( map_data & 0x2000 ) ? 1 : 0;
tile_addr = 0x2000 + ( ( map_data & 0x1ff ) * 16 );
if ( map_data & 0x4000 )
tile_addr += ( 7 - ( ( scroll_y + line ) & 0x07 ) ) * 2;
else
tile_addr += ( ( scroll_y + line ) & 0x07 ) * 2;
tile_data = m_vram[ tile_addr ] | ( m_vram[ tile_addr + 1 ] << 8 );
px = 0;
}
}
}
void k2ge_device::k1ge_draw_sprite_plane( uint16_t *p, uint16_t priority, int line, int scroll_x, int scroll_y )
{
struct {
uint16_t spr_data;
uint8_t x;
uint8_t y;
} spr[64];
int num_sprites = 0;
uint8_t spr_y = 0;
uint8_t spr_x = 0;
int i;
priority <<= 11;
/* Select sprites */
for ( i = 0; i < 256; i += 4 )
{
uint16_t spr_data = m_vram[ 0x800 + i ] | ( m_vram[ 0x801 + i ] << 8 );
uint8_t x = m_vram[ 0x802 + i ];
uint8_t y = m_vram[ 0x803 + i ];
spr_x = ( spr_data & 0x0400 ) ? ( spr_x + x ) : ( scroll_x + x );
spr_y = ( spr_data & 0x0200 ) ? ( spr_y + y ) : ( scroll_y + y );
if ( ( spr_data & 0x1800 ) == priority )
{
if ( ( line >= spr_y || spr_y > 0xf8 ) && line < ( ( spr_y + 8 ) & 0xff ) )
{
spr[num_sprites].spr_data = spr_data;
spr[num_sprites].y = spr_y;
spr[num_sprites].x = spr_x;
num_sprites++;
}
}
}
/* Draw sprites */
for ( i = num_sprites-1; i >= 0; i-- )
{
int j;
uint16_t tile_addr;
uint16_t tile_data;
uint16_t pcode = ( spr[i].spr_data & 0x2000 ) ? 1 : 0;
tile_addr = 0x2000 + ( ( spr[i].spr_data & 0x1ff ) * 16 );
if ( spr[i].spr_data & 0x4000 )
tile_addr += ( 7 - ( ( line - spr[i].y ) & 0x07 ) ) * 2;
else
tile_addr += ( ( line - spr[i].y ) & 0x07 ) * 2;
tile_data = m_vram[ tile_addr ] | ( m_vram[ tile_addr + 1 ] << 8 );
for ( j = 0; j < 8; j++ )
{
uint16_t col;
spr_x = spr[i].x + j;
if ( spr[i].spr_data & 0x8000 )
{
col = tile_data & 0x03;
tile_data >>= 2;
}
else
{
col = tile_data >> 14;
tile_data <<= 2;
}
if ( spr_x < 160 && col )
{
uint16_t col2 = 16 * pcode + m_vram[ 0x100 + 4 * pcode + col ] * 2;
p[ spr_x ] = m_vram[ 0x380 + col2 ] | ( m_vram[ 0x381 + col2 ] << 8 );
}
}
}
}
void k2ge_device::draw( int line )
{
uint16_t *p = &m_bitmap->pix16(line);
uint16_t col = 0;
uint16_t oowcol;
int i;
oowcol = ( m_vram[0x012] & 0x07 ) * 2;
oowcol = m_vram[0x3f0 + oowcol ] | ( m_vram[0x3f1 + oowcol ] << 8 );
if ( line < m_wba_v || line >= m_wba_v + m_wsi_v )
{
for( i = 0; i < 160; i++ )
{
p[i] = oowcol;
}
}
else
{
/* Determine the background color */
if ( ( m_vram[0x118] & 0xc0 ) == 0x80 )
{
col = ( m_vram[0x118] & 0x07 ) * 2;
}
col = m_vram[0x3e0 + col ] | ( m_vram[0x3e1 + col ] << 8 );
/* Set the bacground color */
for ( i = 0; i < 160; i++ )
{
p[i] = col;
}
if ( m_vram[0x7e2] & 0x80 )
{
/* K1GE compatibility mode */
if ( m_vram[0x030] & 0x80 )
{
/* Draw sprites with 01 priority */
k1ge_draw_sprite_plane( p, 1, line, m_vram[0x020], m_vram[0x021] );
/* Draw PF1 */
k1ge_draw_scroll_plane( p, 0x1000, line, m_vram[0x032], m_vram[0x033], 0x108, 0x3a0 );
/* Draw sprites with 10 priority */
k1ge_draw_sprite_plane( p, 2, line, m_vram[0x020], m_vram[0x021] );
/* Draw PF2 */
k1ge_draw_scroll_plane( p, 0x1800, line, m_vram[0x034], m_vram[0x035], 0x110, 0x3c0 );
/* Draw sprites with 11 priority */
k1ge_draw_sprite_plane( p, 3, line, m_vram[0x020], m_vram[0x021] );
}
else
{
/* Draw sprites with 01 priority */
k1ge_draw_sprite_plane( p, 1, line, m_vram[0x020], m_vram[0x021] );
/* Draw PF2 */
k1ge_draw_scroll_plane( p, 0x1800, line, m_vram[0x034], m_vram[0x035], 0x110, 0x3c0 );
/* Draw sprites with 10 priority */
k1ge_draw_sprite_plane( p, 2, line, m_vram[0x020], m_vram[0x021] );
/* Draw PF1 */
k1ge_draw_scroll_plane( p, 0x1000, line, m_vram[0x032], m_vram[0x033], 0x108, 0x3a0 );
/* Draw sprites with 11 priority */
k1ge_draw_sprite_plane( p, 3, line, m_vram[0x020], m_vram[0x021] );
}
}
else
{
/* K2GE mode */
if ( m_vram[0x030] & 0x80 )
{
/* Draw sprites with 01 priority */
draw_sprite_plane( p, 1, line, m_vram[0x020], m_vram[0x021] );
/* Draw PF1 */
draw_scroll_plane( p, 0x1000, line, m_vram[0x032], m_vram[0x033], 0x280 );
/* Draw sprites with 10 priority */
draw_sprite_plane( p, 2, line, m_vram[0x020], m_vram[0x021] );
/* Draw PF2 */
draw_scroll_plane( p, 0x1800, line, m_vram[0x034], m_vram[0x035], 0x300 );
/* Draw sprites with 11 priority */
draw_sprite_plane( p, 3, line, m_vram[0x020], m_vram[0x021] );
}
else
{
/* Draw sprites with 01 priority */
draw_sprite_plane( p, 1, line, m_vram[0x020], m_vram[0x021] );
/* Draw PF2 */
draw_scroll_plane( p, 0x1800, line, m_vram[0x034], m_vram[0x035], 0x300 );
/* Draw sprites with 10 priority */
draw_sprite_plane( p, 2, line, m_vram[0x020], m_vram[0x021] );
/* Draw PF1 */
draw_scroll_plane( p, 0x1000, line, m_vram[0x032], m_vram[0x033], 0x280 );
/* Draw sprites with 11 priority */
draw_sprite_plane( p, 3, line, m_vram[0x020], m_vram[0x021] );
}
}
for ( i = 0; i < m_wba_h; i++ )
{
p[i] = oowcol;
}
for ( i = m_wba_h + m_wsi_h; i < 160; i++ )
{
p[i] = oowcol;
}
}
}
TIMER_CALLBACK_MEMBER( k1ge_device::hblank_on_timer_callback )
{
m_hblank_pin_w(0);
}
TIMER_CALLBACK_MEMBER( k1ge_device::timer_callback )
{
int y = screen().vpos();
/* Check for start of VBlank */
if ( y >= 152 )
{
m_vram[0x010] |= 0x40;
if (m_vram[0x000] & 0x80)
{
m_vblank_pin_w(1);
}
}
/* Check for end of VBlank */
if ( y == 0 )
{
m_wba_h = m_vram[0x002];
m_wba_v = m_vram[0x003];
m_wsi_h = m_vram[0x004];
m_wsi_v = m_vram[0x005];
m_vram[0x010] &= ~ 0x40;
if (m_vram[0x000] & 0x80)
{
m_vblank_pin_w(0);
}
}
/* Check if Hint should be triggered */
if ( y == K1GE_SCREEN_HEIGHT - 1 || y < 151 )
{
if (!m_hblank_pin_w.isnull())
{
if (m_vram[0x000] & 0x40)
{
m_hblank_pin_w(1);
}
m_hblank_on_timer->adjust( screen().time_until_pos(y, 480 ) );
}
}
/* Draw a line when inside visible area */
if ( y && y < 153 )
{
draw( y - 1 );
}
m_timer->adjust( screen().time_until_pos(( y + 1 ) % K1GE_SCREEN_HEIGHT, 0 ) );
}
void k1ge_device::update( bitmap_ind16 &bitmap, const rectangle &cliprect )
{
copybitmap( bitmap, *m_bitmap, 0, 0, 0, 0, cliprect );
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void k1ge_device::device_start()
{
m_vblank_pin_w.resolve();
m_hblank_pin_w.resolve();
m_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(k1ge_device::timer_callback), this));
m_hblank_on_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(k1ge_device::hblank_on_timer_callback), this));
m_vram = make_unique_clear<uint8_t[]>(0x4000);
m_bitmap = std::make_unique<bitmap_ind16>(screen().width(), screen().height() );
save_pointer(NAME(m_vram), 0x4000);
save_item(NAME(m_wba_h));
save_item(NAME(m_wba_v));
save_item(NAME(m_wsi_h));
save_item(NAME(m_wsi_v));
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void k1ge_device::device_reset()
{
m_vram[0x000] = 0x00; /* Interrupt enable */
m_vram[0x002] = 0x00; /* WBA.H */
m_vram[0x003] = 0x00; /* WVA.V */
m_vram[0x004] = 0xFF; /* WSI.H */
m_vram[0x005] = 0xFF; /* WSI.V */
m_vram[0x007] = 0xc6; /* REF */
m_vram[0x012] = 0x00; /* 2D control */
m_vram[0x020] = 0x00; /* PO.H */
m_vram[0x021] = 0x00; /* PO.V */
m_vram[0x030] = 0x00; /* PF */
m_vram[0x032] = 0x00; /* S1SO.H */
m_vram[0x033] = 0x00; /* S1SO.V */
m_vram[0x034] = 0x00; /* S2SO.H */
m_vram[0x035] = 0x00; /* S2SO.V */
m_vram[0x101] = 0x07; /* SPPLT01 */
m_vram[0x102] = 0x07; /* SPPLT02 */
m_vram[0x103] = 0x07; /* SPPLT03 */
m_vram[0x105] = 0x07; /* SPPLT11 */
m_vram[0x106] = 0x07; /* SPPLT12 */
m_vram[0x107] = 0x07; /* SPPLT13 */
m_vram[0x109] = 0x07; /* SC1PLT01 */
m_vram[0x10a] = 0x07; /* SC1PLT02 */
m_vram[0x10b] = 0x07; /* SC1PLT03 */
m_vram[0x10d] = 0x07; /* SC1PLT11 */
m_vram[0x10e] = 0x07; /* SC1PLT12 */
m_vram[0x10f] = 0x07; /* SC1PLT13 */
m_vram[0x111] = 0x07; /* SC2PLT01 */
m_vram[0x112] = 0x07; /* SC2PLT02 */
m_vram[0x113] = 0x07; /* SC2PLT03 */
m_vram[0x115] = 0x07; /* SC2PLT11 */
m_vram[0x116] = 0x07; /* SC2PLT12 */
m_vram[0x117] = 0x07; /* SC2PLT13 */
m_vram[0x118] = 0x07; /* BG */
m_vram[0x400] = 0xFF; /* LED control */
m_vram[0x402] = 0x80; /* LEDFREG */
m_vram[0x7e0] = 0x52; /* RESET */
m_vram[0x7e2] = 0x00; /* MODE */
m_timer->adjust( screen().time_until_pos(( screen().vpos() + 1 ) % K1GE_SCREEN_HEIGHT, 0 ) );
}
DEFINE_DEVICE_TYPE(K1GE, k1ge_device, "k1ge", "K1GE Monochrome Graphics + LCD")
k1ge_device::k1ge_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: k1ge_device(mconfig, K1GE, tag, owner, clock)
{
}
k1ge_device::k1ge_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, type, tag, owner, clock)
, device_video_interface(mconfig, *this)
, m_vblank_pin_w(*this)
, m_hblank_pin_w(*this)
{
}
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void k1ge_device::device_add_mconfig(machine_config &config)
{
PALETTE(config, "palette", FUNC(k1ge_device::k1ge_palette), 8);
}
DEFINE_DEVICE_TYPE(K2GE, k2ge_device, "k2ge", "K2GE Color Graphics + LCD")
k2ge_device::k2ge_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: k1ge_device(mconfig, K2GE, tag, owner, clock)
{
}
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void k2ge_device::device_add_mconfig(machine_config &config)
{
PALETTE(config, "palette", FUNC(k2ge_device::k2ge_palette), 4096);
}