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-rw-r--r--src/mess/video/wswan.c583
1 files changed, 0 insertions, 583 deletions
diff --git a/src/mess/video/wswan.c b/src/mess/video/wswan.c
deleted file mode 100644
index da649d76779..00000000000
--- a/src/mess/video/wswan.c
+++ /dev/null
@@ -1,583 +0,0 @@
-/***************************************************************************
-
- wswan.c
-
- File to handle video emulation of the Bandai WonderSwan.
-
- Anthony Kruize
- Wilbert Pol
-
-***************************************************************************/
-
-#include "includes/wswan.h"
-
-void wswan_state::wswan_setup_palettes()
-{
- int i,j;
-
- if ( m_vdp.color_mode ) {
- for( i = 0; i < 16; i++ ) {
- for( j = 0; j < 16; j++ ) {
- m_pal[i][j] = ( ( m_vdp.palette_vram[ ( i << 5 ) + j*2 + 1 ] << 8 ) | m_vdp.palette_vram[ ( i << 5 ) + j*2 ] ) & 0x0FFF;
- }
- }
- } else {
- for( i = 0; i < 16; i++ ) {
- m_pal[i][0] = m_ws_portram[ 0x20 + ( i << 1 ) ] & 0x07;
- m_pal[i][1] = ( m_ws_portram[ 0x20 + ( i << 1 ) ] >> 4 ) & 0x07;
- m_pal[i][2] = m_ws_portram[ 0x21 + ( i << 1 ) ] & 0x07;
- m_pal[i][3] = ( m_ws_portram[ 0x21 + ( i << 1 ) ] >> 4 ) & 0x07;
- }
- }
-}
-
-void wswan_state::wswan_draw_background()
-{
- UINT16 map_addr;
- UINT8 start_column;
- int column;
-
- map_addr = m_vdp.layer_bg_address + ( ( ( m_vdp.current_line + m_vdp.layer_bg_scroll_y ) & 0xF8 ) << 3 );
- start_column = ( m_vdp.layer_bg_scroll_x >> 3 );
- for( column = 0; column < 29; column++ ) {
- int tile_data, tile_number, tile_palette, tile_line, tile_address;
- UINT32 plane0=0, plane1=0, plane2=0, plane3=0;
- int x, x_offset;
-
- tile_data = ( m_vdp.vram[ map_addr + ( ( ( start_column + column ) & 0x1F ) << 1 ) + 1 ] << 8 )
- | m_vdp.vram[ map_addr + ( ( ( start_column + column ) & 0x1F ) << 1 ) ];
- tile_number = tile_data & 0x01FF;
- tile_palette = ( tile_data >> 9 ) & 0x0F;
-
- tile_line = ( m_vdp.current_line + m_vdp.layer_bg_scroll_y ) & 0x07;
- if ( tile_data & 0x8000 ) {
- tile_line = 7 - tile_line;
- }
-
- if ( m_vdp.colors_16 ) {
- tile_address = ( ( tile_data & 0x2000 ) ? 0x8000 : 0x4000 ) + ( tile_number * 32 ) + ( tile_line << 2 );
- if ( m_vdp.tile_packed ) {
- plane0 = ( m_vdp.vram[ tile_address + 0 ] << 24 ) | ( m_vdp.vram[ tile_address + 1 ] << 16 ) | ( m_vdp.vram[ tile_address + 2 ] << 8 ) | m_vdp.vram[ tile_address + 3 ];
- } else {
- plane0 = m_vdp.vram[ tile_address + 0 ];
- plane1 = m_vdp.vram[ tile_address + 1 ] << 1;
- plane2 = m_vdp.vram[ tile_address + 2 ] << 2;
- plane3 = m_vdp.vram[ tile_address + 3 ] << 3;
- }
- } else {
- tile_address = 0x2000 + ( tile_number * 16 ) + ( tile_line << 1 );
- if ( m_vdp.tile_packed ) {
- plane0 = ( m_vdp.vram[ tile_address + 0 ] << 8 ) | m_vdp.vram[ tile_address + 1 ];
- } else {
- plane0 = m_vdp.vram[ tile_address + 0 ];
- plane1 = m_vdp.vram[ tile_address + 1 ] << 1;
- plane2 = 0;
- plane3 = 0;
- }
- }
-
- for( x = 0; x < 8; x++ ) {
- int col;
- if ( m_vdp.tile_packed ) {
- if ( m_vdp.colors_16 ) {
- col = plane0 & 0x0F;
- plane0 = plane0 >> 4;
- } else {
- col = plane0 & 0x03;
- plane0 = plane0 >> 2;
- }
- } else {
- col = ( plane3 & 8 ) | ( plane2 & 4 ) | ( plane1 & 2 ) | ( plane0 & 1 );
- plane3 = plane3 >> 1;
- plane2 = plane2 >> 1;
- plane1 = plane1 >> 1;
- plane0 = plane0 >> 1;
- }
- if ( tile_data & 0x4000 ) {
- x_offset = x + ( column << 3 ) - ( m_vdp.layer_bg_scroll_x & 0x07 );
- } else {
- x_offset = 7 - x + ( column << 3 ) - ( m_vdp.layer_bg_scroll_x & 0x07 );
- }
- if ( x_offset >= 0 && x_offset < WSWAN_X_PIXELS ) {
- if ( m_vdp.colors_16 ) {
- if ( col ) {
- if ( m_vdp.color_mode ) {
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_pal[tile_palette][col];
- } else {
- /* Hmmmm, what should we do here... Is this correct?? */
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_pal[tile_palette][col];
- }
- }
- } else {
- if ( col || !(tile_palette & 4 ) ) {
- if ( m_vdp.color_mode ) {
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_pal[tile_palette][col];
- } else {
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_vdp.main_palette[m_pal[tile_palette][col]];
- }
- }
- }
- }
- }
- }
-}
-
-void wswan_state::wswan_draw_foreground_0()
-{
- UINT16 map_addr;
- UINT8 start_column;
- int column;
- map_addr = m_vdp.layer_fg_address + ( ( ( m_vdp.current_line + m_vdp.layer_fg_scroll_y ) & 0xF8 ) << 3 );
- start_column = ( m_vdp.layer_fg_scroll_x >> 3 );
- for( column = 0; column < 29; column++ ) {
- UINT32 plane0 = 0, plane1 = 0, plane2 = 0, plane3 = 0;
- int x, x_offset, tile_line, tile_address;
- int tile_data = ( m_vdp.vram[ map_addr + ( ( ( start_column + column ) & 0x1F ) << 1 ) + 1 ] << 8 )
- | m_vdp.vram[ map_addr + ( ( ( start_column + column ) & 0x1F ) << 1 ) ];
- int tile_number = tile_data & 0x01FF;
- int tile_palette = ( tile_data >> 9 ) & 0x0F;
-
- tile_line = ( m_vdp.current_line + m_vdp.layer_fg_scroll_y ) & 0x07;
- if ( tile_data & 0x8000 ) {
- tile_line = 7 - tile_line;
- }
-
- if ( m_vdp.colors_16 ) {
- tile_address = ( ( tile_data & 0x2000 ) ? 0x8000 : 0x4000 ) + ( tile_number * 32 ) + ( tile_line << 2 );
- if ( m_vdp.tile_packed ) {
- plane0 = ( m_vdp.vram[ tile_address + 0 ] << 24 ) | ( m_vdp.vram[ tile_address + 1 ] << 16 ) | ( m_vdp.vram[ tile_address + 2 ] << 8 ) | m_vdp.vram[ tile_address + 3 ];
- } else {
- plane0 = m_vdp.vram[ tile_address + 0 ];
- plane1 = m_vdp.vram[ tile_address + 1 ] << 1;
- plane2 = m_vdp.vram[ tile_address + 2 ] << 2;
- plane3 = m_vdp.vram[ tile_address + 3 ] << 3;
- }
- } else {
- tile_address = 0x2000 + ( tile_number * 16 ) + ( tile_line << 1 );
- if ( m_vdp.tile_packed ) {
- plane0 = ( m_vdp.vram[ tile_address + 0 ] << 8 ) | m_vdp.vram[ tile_address + 1 ];
- } else {
- plane0 = m_vdp.vram[ tile_address + 0 ];
- plane1 = m_vdp.vram[ tile_address + 1 ] << 1;
- plane2 = 0;
- plane3 = 0;
- }
- }
-
- for( x = 0; x < 8; x++ ) {
- int col;
- if ( m_vdp.tile_packed ) {
- if ( m_vdp.colors_16 ) {
- col = plane0 & 0x0F;
- plane0 = plane0 >> 4;
- } else {
- col = plane0 & 0x03;
- plane0 = plane0 >> 2;
- }
- } else {
- col = ( plane3 & 8 ) | ( plane2 & 4 ) | ( plane1 & 2 ) | ( plane0 & 1 );
- plane3 = plane3 >> 1;
- plane2 = plane2 >> 1;
- plane1 = plane1 >> 1;
- plane0 = plane0 >> 1;
- }
- if ( tile_data & 0x4000 ) {
- x_offset = x + ( column << 3 ) - ( m_vdp.layer_fg_scroll_x & 0x07 );
- } else {
- x_offset = 7 - x + ( column << 3 ) - ( m_vdp.layer_fg_scroll_x & 0x07 );
- }
- if ( x_offset >= 0 && x_offset < WSWAN_X_PIXELS ) {
- if ( m_vdp.colors_16 ) {
- if ( col ) {
-// if ( m_vdp.color_mode ) {
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_pal[tile_palette][col];
-// } else {
-// /* Hmmmm, what should we do here... Is this correct?? */
-// m_bitmap.pix16(m_vdp.current_line, x_offset) = m_pal[tile_palette][col];
-// }
- }
- } else {
- if ( col || !(tile_palette & 4 ) ) {
- if ( m_vdp.color_mode ) {
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_pal[tile_palette][col];
- } else {
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_vdp.main_palette[m_pal[tile_palette][col]];
- }
- }
- }
- }
- }
- }
-}
-
-void wswan_state::wswan_draw_foreground_2()
-{
- UINT16 map_addr;
- UINT8 start_column;
- int column;
- map_addr = m_vdp.layer_fg_address + ( ( ( m_vdp.current_line + m_vdp.layer_fg_scroll_y ) & 0xF8 ) << 3 );
- start_column = ( m_vdp.layer_fg_scroll_x >> 3 );
- for( column = 0; column < 29; column++ ) {
- UINT32 plane0 = 0, plane1 = 0, plane2 = 0, plane3 = 0;
- int x, x_offset, tile_line, tile_address;
- int tile_data = ( m_vdp.vram[ map_addr + ( ( ( start_column + column ) & 0x1F ) << 1 ) + 1 ] << 8 )
- | m_vdp.vram[ map_addr + ( ( ( start_column + column ) & 0x1F ) << 1 ) ];
- int tile_number = tile_data & 0x01FF;
- int tile_palette = ( tile_data >> 9 ) & 0x0F;
-
- tile_line = ( m_vdp.current_line + m_vdp.layer_fg_scroll_y ) & 0x07;
- if ( tile_data & 0x8000 ) {
- tile_line = 7 - tile_line;
- }
-
- if ( m_vdp.colors_16 ) {
- tile_address = ( ( tile_data & 0x2000 ) ? 0x8000 : 0x4000 ) + ( tile_number * 32 ) + ( tile_line << 2 );
- if ( m_vdp.tile_packed ) {
- plane0 = ( m_vdp.vram[ tile_address + 0 ] << 24 ) | ( m_vdp.vram[ tile_address + 1 ] << 16 ) | ( m_vdp.vram[ tile_address + 2 ] << 8 ) | m_vdp.vram[ tile_address + 3 ];
- } else {
- plane0 = m_vdp.vram[ tile_address + 0 ];
- plane1 = m_vdp.vram[ tile_address + 1 ] << 1;
- plane2 = m_vdp.vram[ tile_address + 2 ] << 2;
- plane3 = m_vdp.vram[ tile_address + 3 ] << 3;
- }
- } else {
- tile_address = 0x2000 + ( tile_number * 16 ) + ( tile_line << 1 );
- if ( m_vdp.tile_packed ) {
- plane0 = ( m_vdp.vram[ tile_address + 0 ] << 8 ) | m_vdp.vram[ tile_address + 1 ];
- } else {
- plane0 = m_vdp.vram[ tile_address + 0 ];
- plane1 = m_vdp.vram[ tile_address + 1 ] << 1;
- plane2 = 0;
- plane3 = 0;
- }
- }
-
- for( x = 0; x < 8; x++ ) {
- int col;
- if ( m_vdp.tile_packed ) {
- if ( m_vdp.colors_16 ) {
- col = plane0 & 0x0F;
- plane0 = plane0 >> 4;
- } else {
- col = plane0 & 0x03;
- plane0 = plane0 >> 2;
- }
- } else {
- col = ( plane3 & 8 ) | ( plane2 & 4 ) | ( plane1 & 2 ) | ( plane0 & 1 );
- plane3 = plane3 >> 1;
- plane2 = plane2 >> 1;
- plane1 = plane1 >> 1;
- plane0 = plane0 >> 1;
- }
- if ( tile_data & 0x4000 ) {
- x_offset = x + ( column << 3 ) - ( m_vdp.layer_fg_scroll_x & 0x07 );
- } else {
- x_offset = 7 - x + ( column << 3 ) - ( m_vdp.layer_fg_scroll_x & 0x07 );
- }
- if ( x_offset >= 0 && x_offset >= m_vdp.window_fg_left && x_offset < m_vdp.window_fg_right && x_offset < WSWAN_X_PIXELS ) {
- if ( m_vdp.colors_16 ) {
- if ( col ) {
- if ( m_vdp.color_mode ) {
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_pal[tile_palette][col];
- } else {
- /* Hmmmm, what should we do here... Is this correct?? */
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_pal[tile_palette][col];
- }
- }
- } else {
- if ( col || !(tile_palette & 4 ) ) {
- if ( m_vdp.color_mode ) {
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_pal[tile_palette][col];
- } else {
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_vdp.main_palette[m_pal[tile_palette][col]];
- }
- }
- }
- }
- }
- }
-}
-
-void wswan_state::wswan_draw_foreground_3()
-{
- UINT16 map_addr;
- UINT8 start_column;
- int column;
- map_addr = m_vdp.layer_fg_address + ( ( ( m_vdp.current_line + m_vdp.layer_fg_scroll_y ) & 0xF8 ) << 3 );
- start_column = ( m_vdp.layer_fg_scroll_x >> 3 );
- for( column = 0; column < 29; column++ ) {
- UINT32 plane0 = 0, plane1 = 0, plane2 = 0, plane3 = 0;
- int x, x_offset, tile_line, tile_address;
- int tile_data = ( m_vdp.vram[ map_addr + ( ( ( start_column + column ) & 0x1F ) << 1 ) + 1 ] << 8 )
- | m_vdp.vram[ map_addr + ( ( ( start_column + column ) & 0x1F ) << 1 ) ];
- int tile_number = tile_data & 0x01FF;
- int tile_palette = ( tile_data >> 9 ) & 0x0F;
-
- tile_line = ( m_vdp.current_line + m_vdp.layer_fg_scroll_y ) & 0x07;
- if ( tile_data & 0x8000 ) { // vflip
- tile_line = 7 - tile_line;
- }
-
- if ( m_vdp.colors_16 ) {
- tile_address = ( ( tile_data & 0x2000 ) ? 0x8000 : 0x4000 ) + ( tile_number * 32 ) + ( tile_line << 2 );
- if ( m_vdp.tile_packed ) {
- plane0 = ( m_vdp.vram[ tile_address + 0 ] << 24 ) | ( m_vdp.vram[ tile_address + 1 ] << 16 ) | ( m_vdp.vram[ tile_address + 2 ] << 8 ) | m_vdp.vram[ tile_address + 3 ];
- } else {
- plane0 = m_vdp.vram[ tile_address + 0 ];
- plane1 = m_vdp.vram[ tile_address + 1 ] << 1;
- plane2 = m_vdp.vram[ tile_address + 2 ] << 2;
- plane3 = m_vdp.vram[ tile_address + 3 ] << 3;
- }
- } else {
- tile_address = 0x2000 + ( tile_number * 16 ) + ( tile_line << 1 );
- if ( m_vdp.tile_packed ) {
- plane0 = ( m_vdp.vram[ tile_address + 0 ] << 8 ) | m_vdp.vram[ tile_address + 1 ];
- } else {
- plane0 = m_vdp.vram[ tile_address + 0 ];
- plane1 = m_vdp.vram[ tile_address + 1 ] << 1;
- plane2 = 0;
- plane3 = 0;
- }
- }
-
- for( x = 0; x < 8; x++ ) {
- int col;
- if ( m_vdp.tile_packed ) {
- if ( m_vdp.colors_16 ) {
- col = plane0 & 0x0F;
- plane0 = plane0 >> 4;
- } else {
- col = plane0 & 0x03;
- plane0 = plane0 >> 2;
- }
- } else {
- col = ( plane3 & 8 ) | ( plane2 & 4 ) | ( plane1 & 2 ) | ( plane0 & 1 );
- plane3 = plane3 >> 1;
- plane2 = plane2 >> 1;
- plane1 = plane1 >> 1;
- plane0 = plane0 >> 1;
- }
- if ( tile_data & 0x4000 ) {
- x_offset = x + ( column << 3 ) - ( m_vdp.layer_fg_scroll_x & 0x07 );
- } else {
- x_offset = 7 - x + ( column << 3 ) - ( m_vdp.layer_fg_scroll_x & 0x07 );
- }
- if ( ( x_offset >= 0 && x_offset < m_vdp.window_fg_left ) || ( x_offset >= m_vdp.window_fg_right && x_offset < WSWAN_X_PIXELS ) ) {
- if ( m_vdp.colors_16 ) {
- if ( col ) {
- if ( m_vdp.color_mode ) {
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_pal[tile_palette][col];
- } else {
- /* Hmmmm, what should we do here... Is this correct?? */
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_pal[tile_palette][col];
- }
- }
- } else {
- if ( col || !(tile_palette & 4 ) ) {
- if ( m_vdp.color_mode ) {
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_pal[tile_palette][col];
- } else {
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_vdp.main_palette[m_pal[tile_palette][col]];
- }
- }
- }
- }
- }
- }
-}
-
-void wswan_state::wswan_handle_sprites(int mask )
-{
- int i;
- if ( m_vdp.sprite_count == 0 )
- return;
- for( i = m_vdp.sprite_first + m_vdp.sprite_count - 1; i >= m_vdp.sprite_first; i-- ) {
- UINT8 x, y;
- UINT16 tile_data;
- int tile_line;
-
- tile_data = ( m_vdp.sprite_table_buffer[ i * 4 + 1 ] << 8 ) | m_vdp.sprite_table_buffer[ i * 4 ];
- y = m_vdp.sprite_table_buffer[ i * 4 + 2 ];
- x = m_vdp.sprite_table_buffer[ i * 4 + 3 ];
- tile_line = m_vdp.current_line - y;
- tile_line = tile_line & 0xFF;
- if ( ( tile_line >= 0 ) && ( tile_line < 8 ) && ( ( tile_data & 0x2000 ) == mask ) ) {
- UINT32 plane0 = 0, plane1 = 0, plane2 = 0, plane3 = 0;
- int j, x_offset, tile_address;
- int tile_number = tile_data & 0x01FF;
- int tile_palette = 8 + ( ( tile_data >> 9 ) & 0x07 );
- int check_clip = 0;
- if ( tile_data & 0x8000 ) {
- tile_line = 7 - tile_line;
- }
-
- if ( m_vdp.colors_16 ) {
- tile_address = 0x4000 + ( tile_number * 32 ) + ( tile_line << 2 );
- if ( m_vdp.tile_packed ) {
- plane0 = ( m_vdp.vram[ tile_address + 0 ] << 24 ) | ( m_vdp.vram[ tile_address + 1 ] << 16 ) | ( m_vdp.vram[ tile_address + 2 ] << 8 ) | m_vdp.vram[ tile_address + 3 ];
- } else {
- plane0 = m_vdp.vram[ tile_address + 0 ];
- plane1 = m_vdp.vram[ tile_address + 1 ] << 1;
- plane2 = m_vdp.vram[ tile_address + 2 ] << 2;
- plane3 = m_vdp.vram[ tile_address + 3 ] << 3;
- }
- } else {
- tile_address = 0x2000 + ( tile_number * 16 ) + ( tile_line << 1 );
- if ( m_vdp.tile_packed ) {
- plane0 = ( m_vdp.vram[ tile_address + 0 ] << 8 ) | m_vdp.vram[ tile_address + 1 ];
- } else {
- plane0 = m_vdp.vram[ tile_address + 0 ];
- plane1 = m_vdp.vram[ tile_address + 1 ] << 1;
- plane2 = 0;
- plane3 = 0;
- }
- }
-
- if ( m_vdp.window_sprites_enable ) {
- if ( tile_data & 0x1000 ) {
- if ( m_vdp.current_line >= m_vdp.window_sprites_top && m_vdp.current_line <= m_vdp.window_sprites_bottom ) {
- check_clip = 1;
- }
- } else {
- if ( m_vdp.current_line < m_vdp.window_sprites_top || m_vdp.current_line > m_vdp.window_sprites_bottom ) {
- continue;
- }
- }
- }
-
- for ( j = 0; j < 8; j++ ) {
- int col;
- if ( m_vdp.tile_packed ) {
- if ( m_vdp.colors_16 ) {
- col = plane0 & 0x0F;
- plane0 = plane0 >> 4;
- } else {
- col = plane0 & 0x03;
- plane0 = plane0 >> 2;
- }
- } else {
- col = ( plane3 & 8 ) | ( plane2 & 4 ) | ( plane1 & 2 ) | ( plane0 & 1 );
- plane3 = plane3 >> 1;
- plane2 = plane2 >> 1;
- plane1 = plane1 >> 1;
- plane0 = plane0 >> 1;
- }
- if ( tile_data & 0x4000 ) {
- x_offset = x + j;
- } else {
- x_offset = x + 7 - j;
- }
- x_offset = x_offset & 0xFF;
- if ( m_vdp.window_sprites_enable ) {
- if ( tile_data & 0x1000 && check_clip ) {
- if ( x_offset >= m_vdp.window_sprites_left && x_offset <= m_vdp.window_sprites_right ) {
- continue;
- }
- } else {
- if ( x_offset < m_vdp.window_sprites_left || x_offset > m_vdp.window_sprites_right ) {
-// continue;
- }
- }
- }
- if ( x_offset >= 0 && x_offset < WSWAN_X_PIXELS ) {
- if ( m_vdp.colors_16 ) {
- if ( col ) {
- if ( m_vdp.color_mode ) {
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_pal[tile_palette][col];
- } else {
- /* Hmmmm, what should we do here... Is this correct?? */
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_pal[tile_palette][col];
- }
- }
- } else {
- if ( col || !(tile_palette & 4 ) ) {
- if ( m_vdp.color_mode ) {
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_pal[tile_palette][col];
- } else {
- m_bitmap.pix16(m_vdp.current_line, x_offset) = m_vdp.main_palette[m_pal[tile_palette][col]];
- }
- }
- }
- }
- }
- }
- }
-}
-
-void wswan_state::wswan_refresh_scanline()
-{
- wswan_setup_palettes();
-
- rectangle rec(0, WSWAN_X_PIXELS, m_vdp.current_line, m_vdp.current_line);
- if ( m_ws_portram[0x14] ) {
- /* Not sure if these background color checks and settings are correct */
- if ( m_vdp.color_mode && m_vdp.colors_16 ) {
- m_bitmap.fill( m_pal[m_ws_portram[0x01]>>4][m_ws_portram[0x01]&0x0F], rec );
- } else {
- m_bitmap.fill( m_vdp.main_palette[m_ws_portram[0x01]&0x07], rec );
- }
- } else {
- m_bitmap.fill( 0, rec );
- return;
- }
-
- /*
- * Draw background layer
- */
- if ( m_vdp.layer_bg_enable ) {
- wswan_draw_background();
- }
-
- /*
- * Draw sprites between background and foreground layers
- */
- if ( m_vdp.sprites_enable ) {
- wswan_handle_sprites(0);
- }
-
- /*
- * Draw foreground layer, taking window settings into account
- */
- if ( m_vdp.layer_fg_enable ) {
- switch( m_vdp.window_fg_mode ) {
- case 0: /* FG inside & outside window area */
- wswan_draw_foreground_0();
- break;
- case 1: /* ??? */
- logerror( "Unknown foreground mode 1 set\n" );
- break;
- case 2: /* FG only inside window area */
- if ( m_vdp.current_line >= m_vdp.window_fg_top && m_vdp.current_line <= m_vdp.window_fg_bottom ) {
- wswan_draw_foreground_2();
- }
- break;
- case 3: /* FG only outside window area */
- if ( m_vdp.current_line < m_vdp.window_fg_top || m_vdp.current_line > m_vdp.window_fg_bottom ) {
- wswan_draw_foreground_0();
- } else {
- wswan_draw_foreground_3();
- }
- break;
- }
- }
-
- /*
- * Draw sprites in front of foreground layer
- */
- if ( m_vdp.sprites_enable ) {
- wswan_handle_sprites(0x2000);
- }
-}
-
-
-void wswan_state::video_start()
-{
- machine().first_screen()->register_screen_bitmap(m_bitmap);
- save_item(NAME(m_bitmap));
-}
-
-UINT32 wswan_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
-{
- copybitmap(bitmap, m_bitmap, 0, 0, 0, 0, cliprect);
- return 0;
-}