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Diffstat (limited to 'src/mess/video/k1ge.c')
-rw-r--r--src/mess/video/k1ge.c918
1 files changed, 0 insertions, 918 deletions
diff --git a/src/mess/video/k1ge.c b/src/mess/video/k1ge.c
deleted file mode 100644
index 94e0398fd1a..00000000000
--- a/src/mess/video/k1ge.c
+++ /dev/null
@@ -1,918 +0,0 @@
-// 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"
-
-
-PALETTE_INIT_MEMBER(k1ge_device, k1ge)
-{
- int i;
-
- for ( i = 0; i < 8; i++ )
- {
- int j = ( i << 5 ) | ( i << 2 ) | ( i >> 1 );
-
- palette.set_pen_color( 7-i, j, j, j );
- }
-}
-
-
-PALETTE_INIT_MEMBER(k2ge_device, k2ge)
-{
- int r,g,b;
-
- for ( b = 0; b < 16; b++ )
- {
- for ( g = 0; g < 16; g++ )
- {
- for ( 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 data = m_vram[offset];
-
- switch( offset )
- {
- case 0x008: /* RAS.H */
- data = m_screen->hpos() >> 2;
- break;
- case 0x009: /* RAS.V */
- data = m_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 *p, UINT16 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 map_data;
- UINT16 hflip;
- UINT16 pcode;
- UINT16 tile_addr;
- UINT16 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 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 *p, UINT16 priority, int line, int scroll_x, int scroll_y )
-{
- struct {
- UINT16 spr_data;
- UINT8 x;
- UINT8 y;
- } spr[64];
- int num_sprites = 0;
- UINT8 spr_y = 0;
- UINT8 spr_x = 0;
- int i;
-
- priority <<= 11;
-
- /* Select sprites */
- for ( i = 0; i < 256; i += 4 )
- {
- UINT16 spr_data = m_vram[ 0x800 + i ] | ( m_vram[ 0x801 + i ] << 8 );
- UINT8 x = m_vram[ 0x802 + i ];
- UINT8 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 tile_addr;
- UINT16 tile_data;
- UINT16 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 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 *p = &m_bitmap->pix16(line);
- UINT16 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 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 *p, UINT16 base, int line, int scroll_x, int scroll_y, UINT16 pal_base )
-{
- int i;
- int offset_x = ( scroll_x >> 3 ) * 2;
- int px = scroll_x & 0x07;
- UINT16 map_data;
- UINT16 hflip;
- UINT16 pcode;
- UINT16 tile_addr;
- UINT16 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 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 *p, UINT16 priority, int line, int scroll_x, int scroll_y )
-{
- struct {
- UINT16 spr_data;
- UINT8 x;
- UINT8 y;
- UINT8 index;
- } spr[64];
- int num_sprites = 0;
- UINT8 spr_y = 0;
- UINT8 spr_x = 0;
- int i;
-
- priority <<= 11;
-
- /* Select sprites */
- for ( i = 0; i < 256; i += 4 )
- {
- UINT16 spr_data = m_vram[ 0x800 + i ] | ( m_vram[ 0x801 + i ] << 8 );
- UINT8 x = m_vram[ 0x802 + i ];
- UINT8 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 tile_addr;
- UINT16 tile_data;
- UINT16 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 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 *p, UINT16 base, int line, int scroll_x, int scroll_y, UINT16 pal_lut_base, UINT16 k2ge_lut_base )
-{
- int i;
- int offset_x = ( scroll_x >> 3 ) * 2;
- int px = scroll_x & 0x07;
- UINT16 map_data;
- UINT16 hflip;
- UINT16 pcode;
- UINT16 tile_addr;
- UINT16 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 col;
-
- if ( hflip )
- {
- col = tile_data & 0x0003;
- tile_data >>= 2;
- }
- else
- {
- col = tile_data >> 14;
- tile_data <<= 2;
- }
-
- if ( col )
- {
- UINT16 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 *p, UINT16 priority, int line, int scroll_x, int scroll_y )
-{
- struct {
- UINT16 spr_data;
- UINT8 x;
- UINT8 y;
- } spr[64];
- int num_sprites = 0;
- UINT8 spr_y = 0;
- UINT8 spr_x = 0;
- int i;
-
- priority <<= 11;
-
- /* Select sprites */
- for ( i = 0; i < 256; i += 4 )
- {
- UINT16 spr_data = m_vram[ 0x800 + i ] | ( m_vram[ 0x801 + i ] << 8 );
- UINT8 x = m_vram[ 0x802 + i ];
- UINT8 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 tile_addr;
- UINT16 tile_data;
- UINT16 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 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 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 *p = &m_bitmap->pix16(line);
- UINT16 col = 0;
- UINT16 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 = m_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( m_screen->time_until_pos(y, 480 ) );
- }
- }
-
- /* Draw a line when inside visible area */
- if ( y && y < 153 )
- {
- draw( y - 1 );
- }
-
- m_timer->adjust( m_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 = auto_alloc_array_clear(machine(), UINT8, 0x4000);
- m_bitmap = auto_bitmap_ind16_alloc( machine(), m_screen->width(), m_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( m_screen->time_until_pos(( m_screen->vpos() + 1 ) % K1GE_SCREEN_HEIGHT, 0 ) );
-}
-
-
-const device_type K1GE = &device_creator<k1ge_device>;
-
-k1ge_device::k1ge_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
- : device_t(mconfig, K1GE, "K1GE Monochrome Graphics + LCD", tag, owner, clock, "k1ge", __FILE__)
- , device_video_interface(mconfig, *this)
- , m_vblank_pin_w(*this)
- , m_hblank_pin_w(*this)
-{
-}
-
-k1ge_device::k1ge_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source)
- : device_t(mconfig, type, name, tag, owner, clock, shortname, source)
- , device_video_interface(mconfig, *this)
- , m_vblank_pin_w(*this)
- , m_hblank_pin_w(*this)
-{
-}
-
-static MACHINE_CONFIG_FRAGMENT( k1ge )
- MCFG_PALETTE_ADD("palette", 8 )
- MCFG_PALETTE_INIT_OWNER(k1ge_device, k1ge)
-MACHINE_CONFIG_END
-
-//-------------------------------------------------
-// machine_config_additions - return a pointer to
-// the device's machine fragment
-//-------------------------------------------------
-
-machine_config_constructor k1ge_device::device_mconfig_additions() const
-{
- return MACHINE_CONFIG_NAME( k1ge );
-}
-
-
-const device_type K2GE = &device_creator<k2ge_device>;
-
-k2ge_device::k2ge_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
- : k1ge_device(mconfig, K2GE, "K2GE Color Graphics + LCD", tag, owner, clock, "k2ge", __FILE__)
-{
-}
-
-static MACHINE_CONFIG_FRAGMENT( k2ge )
- MCFG_PALETTE_ADD("palette", 4096 )
- MCFG_PALETTE_INIT_OWNER(k2ge_device, k2ge)
-MACHINE_CONFIG_END
-
-//-------------------------------------------------
-// machine_config_additions - return a pointer to
-// the device's machine fragment
-//-------------------------------------------------
-
-machine_config_constructor k2ge_device::device_mconfig_additions() const
-{
- return MACHINE_CONFIG_NAME( k2ge );
-}