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hng64.cpp: enabled preliminary ROZ floor for Fatal Fury Wild Ambition / Buriki One [Angelo Salese]

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angelosa 2018-01-13 02:33:41 +01:00
parent 2ec2d5a65b
commit 95c2fab37d
1 changed files with 16 additions and 14 deletions
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30
src/mame/video/hng64.cpp
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@ -600,7 +600,7 @@ void hng64_state::hng64_drawtilemap(screen_device &screen, bitmap_rgb32 &bitmap,
// life would be easier if the roz we're talking about for complex zoom wasn't setting this as well
// fprintf(stderr, "Tilemap %d is a floor using :\n", tm);
const uint32_t floorAddress = 0x40000 + (scrollbase << 4);
// const uint32_t floorAddress = 0x40000 + (scrollbase << 4);
// TODO: The row count is correct, but how is this layer clipped? m_tcram?
@ -635,19 +635,20 @@ void hng64_state::hng64_drawtilemap(screen_device &screen, bitmap_rgb32 &bitmap,
// HACK : Clear RAM - this is "needed" in fatfurwa since it doesn't clear its own ram (buriki does)
// Figure out what the difference between the two programs is. It's possible writing to
// the linescroll ram fills a buffer and it's cleared automatically between frames?
for (int ii = 0; ii < 0x2000/4; ii++)
{
const int realAddress = floorAddress/4;
m_videoram[realAddress+ii] = 0x00000000;
}
// for (int ii = 0; ii < 0x2000/4; ii++)
//{
// const int realAddress = floorAddress/4;
// m_videoram[realAddress+ii] = 0x00000000;
// }
// Floor mode - per pixel simple / complex modes? -- every other line?
// (there doesn't seem to be enough data in Buriki for every line at least)
rectangle clip = visarea;
if (global_alt_scroll_register_format) // globally selects alt scroll register layout???
{
// this was wrong, see below
// if (global_alt_scroll_register_format) // globally selects alt scroll register layout???
// {
// Logic would dictate that this should be the 'complex' scroll register layout,
// but per-line. That doesn't work however.
//
@ -662,11 +663,11 @@ void hng64_state::hng64_drawtilemap(screen_device &screen, bitmap_rgb32 &bitmap,
//
// buriki line data is at 20146000 (physical)
#if HNG64_VIDEO_DEBUG
popmessage("Unhandled rowscroll %02x", tileregs>>12);
#endif
}
else // 'simple' mode with linescroll, used in some ss64_2 levels (assumed to be correct, but doesn't do much with it.. so could be wrong)
//#if HNG64_VIDEO_DEBUG
// popmessage("Unhandled rowscroll %02x", tileregs>>12);
//#endif
// }
// else // 'simple' mode with linescroll, used in some ss64_2 levels (assumed to be correct, but doesn't do much with it.. so could be wrong)
{
int32_t xtopleft, xmiddle;
int32_t ytopleft, ymiddle;
@ -697,7 +698,8 @@ void hng64_state::hng64_drawtilemap(screen_device &screen, bitmap_rgb32 &bitmap,
const int xinc = (xmiddle - xtopleft) / 512;
const int yinc = (ymiddle - ytopleft) / 512;
// TODO: if global_alt_scroll_register_format is enabled uses incxy / incyx into calculation somehow ...
hng64_tilemap_draw_roz(screen, bitmap,clip,tilemap,xtopleft,ytopleft,
xinc<<1,0,0,yinc<<1,
1,