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dreamwld.cpp: Fix crash in VRAM write handler; fix tilemap rowscroll and transparency handling (nw)

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This commit is contained in:
AJR 2018-04-01 23:25:45 -04:00
parent 0004139941
commit 7079fa8fa6
1 changed files with 8 additions and 4 deletions
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12
src/mame/drivers/dreamwld.cpp
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@ -242,8 +242,11 @@ template<int Layer>
WRITE32_MEMBER(dreamwld_state::vram_w)
{
COMBINE_DATA(&m_vram[Layer][offset]);
m_tilemap[Layer][offset]->mark_tile_dirty(offset * 2);
m_tilemap[Layer][offset]->mark_tile_dirty(offset * 2 + 1);
for (int size = 0; size < 2; size++)
{
m_tilemap[Layer][size]->mark_tile_dirty(offset * 2);
m_tilemap[Layer][size]->mark_tile_dirty(offset * 2 + 1);
}
}
template<int Layer>
@ -263,8 +266,9 @@ void dreamwld_state::video_start()
m_tilemap[1][0] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(dreamwld_state::get_tile_info<1>),this),TILEMAP_SCAN_ROWS, 16, 16, 64,64);
m_tilemap[0][1] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(dreamwld_state::get_tile_info<0>),this),TILEMAP_SCAN_ROWS, 16, 16, 128,32);
m_tilemap[1][1] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(dreamwld_state::get_tile_info<1>),this),TILEMAP_SCAN_ROWS, 16, 16, 128,32);
m_tilemap[1][0]->set_transparent_pen(0);
m_tilemap[1][1]->set_transparent_pen(0);
for (int layer = 0; layer < 2; layer++)
{
for (int size = 0; size < 2; size++)
@ -325,7 +329,7 @@ uint32_t dreamwld_state::screen_update_dreamwld(screen_device &screen, bitmap_in
if (layer_ctrl[layer] & 0x0300)
{
int tile_rowscroll = (layer_ctrl[layer] & 0x0200) >> 5;
int tile_rowscroll = (layer_ctrl[layer] & 0x0200) >> 7;
if (m_old_linescroll[layer] != (layer_ctrl[layer] & 0x0300))
{
tmptilemap[layer]->set_scroll_rows(((64*16) >> size) >> tile_rowscroll);