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zeroteam: Improve sprite/sprite priorities

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- Simulation code in nzeroteam confirms that COP sort DMA function uses a dword key
- Several priorities are still wrong (e.g. bikes invisible on character select screen)
This commit is contained in:
AJR 2016-07-12 00:49:55 -04:00
parent 97a3a3dd65
commit b920c49643
1 changed files with 4 additions and 4 deletions
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8
src/mame/machine/seibucop/seibucop_dma.hxx
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@ -155,7 +155,7 @@ void raiden2cop_device::dma_fill()
void raiden2cop_device::dma_zsorting(UINT16 data)
{
struct sort_entry {
INT16 sorting_key;
INT32 sorting_key;
UINT16 val;
};
@ -163,13 +163,13 @@ void raiden2cop_device::dma_zsorting(UINT16 data)
for(int i=0; i<data; i++) {
sort_entry &e = entries[i];
e.val = m_host_space->read_word(cop_sort_lookup + 2*i);
e.sorting_key = m_host_space->read_word(cop_sort_ram_addr + e.val);
e.sorting_key = m_host_space->read_dword(cop_sort_ram_addr + e.val);
}
switch(cop_sort_param) {
case 1:
case 2:
std::sort(entries.begin(), entries.end(), [](const auto &a, const auto &b){ return a.sorting_key > b.sorting_key; });
break;
case 2:
case 1:
std::sort(entries.begin(), entries.end(), [](const auto &a, const auto &b){ return a.sorting_key < b.sorting_key; });
break;
}