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Diffstat (limited to 'src/mame/video/snk68.cpp')
-rw-r--r--src/mame/video/snk68.cpp60
1 files changed, 27 insertions, 33 deletions
diff --git a/src/mame/video/snk68.cpp b/src/mame/video/snk68.cpp
index 597b36d00fd..2898fecf302 100644
--- a/src/mame/video/snk68.cpp
+++ b/src/mame/video/snk68.cpp
@@ -24,17 +24,17 @@ Notes:
***************************************************************************/
-TILE_GET_INFO_MEMBER(snk68_state::get_pow_tile_info)
+TILE_GET_INFO_MEMBER(snk68_state::get_tile_info)
{
- int tile = m_fg_tile_offset + (m_pow_fg_videoram[2*tile_index] & 0xff);
- int color = m_pow_fg_videoram[2*tile_index+1] & 0x07;
+ int tile = m_fg_tile_offset + (m_fg_videoram[2*tile_index] & 0xff);
+ int color = m_fg_videoram[2*tile_index+1] & 0x07;
SET_TILE_INFO_MEMBER(0, tile, color, 0);
}
-TILE_GET_INFO_MEMBER(snk68_state::get_searchar_tile_info)
+TILE_GET_INFO_MEMBER(searchar_state::get_tile_info)
{
- int data = m_pow_fg_videoram[2*tile_index];
+ int data = m_fg_videoram[2*tile_index];
int tile = data & 0x7ff;
int color = (data & 0x7000) >> 12;
@@ -58,7 +58,7 @@ void snk68_state::common_video_start()
void snk68_state::video_start()
{
- m_fg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(snk68_state::get_pow_tile_info),this), TILEMAP_SCAN_COLS, 8, 8, 32, 32);
+ m_fg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(snk68_state::get_tile_info),this), TILEMAP_SCAN_COLS, 8, 8, 32, 32);
m_fg_tile_offset = 0;
common_video_start();
@@ -66,11 +66,11 @@ void snk68_state::video_start()
save_item(NAME(m_fg_tile_offset));
}
-VIDEO_START_MEMBER(snk68_state,searchar)
+void searchar_state::video_start()
{
- m_fg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(snk68_state::get_searchar_tile_info),this), TILEMAP_SCAN_COLS, 8, 8, 32, 32);
+ m_fg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(searchar_state::get_tile_info),this), TILEMAP_SCAN_COLS, 8, 8, 32, 32);
- common_video_start();
+ snk68_state::common_video_start();
}
/***************************************************************************
@@ -79,50 +79,44 @@ VIDEO_START_MEMBER(snk68_state,searchar)
***************************************************************************/
-READ16_MEMBER(snk68_state::pow_fg_videoram_r)
+READ16_MEMBER(snk68_state::fg_videoram_r)
{
// RAM is only 8-bit
- return m_pow_fg_videoram[offset] | 0xff00;
+ return m_fg_videoram[offset] | 0xff00;
}
-WRITE16_MEMBER(snk68_state::pow_fg_videoram_w)
+WRITE16_MEMBER(snk68_state::fg_videoram_w)
{
data |= 0xff00;
- COMBINE_DATA(&m_pow_fg_videoram[offset]);
+ COMBINE_DATA(&m_fg_videoram[offset]);
m_fg_tilemap->mark_tile_dirty(offset >> 1);
}
-WRITE16_MEMBER(snk68_state::searchar_fg_videoram_w)
+WRITE16_MEMBER(searchar_state::fg_videoram_w)
{
// RAM is full 16-bit, though only half of it is used by the hardware
- COMBINE_DATA(&m_pow_fg_videoram[offset]);
+ COMBINE_DATA(&m_fg_videoram[offset]);
m_fg_tilemap->mark_tile_dirty(offset >> 1);
}
-WRITE16_MEMBER(snk68_state::pow_flipscreen_w)
+WRITE8_MEMBER(snk68_state::flipscreen_w)
{
- if (ACCESSING_BITS_0_7)
+ flip_screen_set(BIT(data, 3));
+ m_sprites->set_flip(BIT(data, 3));
+ m_sprite_flip_axis = BIT(data, 2); // for streetsm? though might not be present on this board
+
+ if (m_fg_tile_offset != ((data & 0x70) << 4))
{
- flip_screen_set(data & 0x08);
- m_sprites->set_flip(data & 0x08);
- m_sprite_flip_axis = data & 0x04; // for streetsm? though might not be present on this board
-
- if (m_fg_tile_offset != ((data & 0x70) << 4))
- {
- m_fg_tile_offset = (data & 0x70) << 4;
- m_fg_tilemap->mark_all_dirty();
- }
+ m_fg_tile_offset = (data & 0x70) << 4;
+ m_fg_tilemap->mark_all_dirty();
}
}
-WRITE16_MEMBER(snk68_state::searchar_flipscreen_w)
+WRITE8_MEMBER(searchar_state::flipscreen_w)
{
- if (ACCESSING_BITS_0_7)
- {
- flip_screen_set(data & 0x08);
- m_sprites->set_flip(data & 0x08);
- m_sprite_flip_axis = data & 0x04;
- }
+ flip_screen_set(BIT(data, 3));
+ m_sprites->set_flip(BIT(data, 3));
+ m_sprite_flip_axis = BIT(data, 2);
}