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XaviX - fix recently introduced rendering bug with certain sprites (nw)

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This commit is contained in:
DavidHaywood 2018-10-28 16:03:02 +00:00
parent 1c89177b02
commit 0ba3e206e8
1 changed files with 5 additions and 15 deletions
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20
src/mame/video/xavix.cpp
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@ -558,9 +558,6 @@ void xavix_state::draw_sprites_line(screen_device &screen, bitmap_ind16 &bitmap,
xpos += 128 - 8;
// Everything except directdirect addressing (Addressing Mode 2) goes through the segment registers?
if (alt_addressing != 0)
{
@ -578,15 +575,12 @@ void xavix_state::draw_sprites_line(screen_device &screen, bitmap_ind16 &bitmap,
tile += gfxbase;
}
int bpp = 1;
bpp = (attr0 & 0x0e) >> 1;
bpp += 1;
draw_tile_line(screen, bitmap, cliprect, tile, bpp, xpos, line, drawheight, drawwidth, flipx, flipy, pal, zval, drawline);
draw_tile_line(screen, bitmap, cliprect, tile, bpp, xpos + xpos_adjust, line, drawheight, drawwidth, flipx, flipy, pal, zval, drawline);
/*
if ((spr_ypos[i] != 0x81) && (spr_ypos[i] != 0x80) && (spr_ypos[i] != 0x00))
@ -601,23 +595,22 @@ void xavix_state::draw_sprites_line(screen_device &screen, bitmap_ind16 &bitmap,
void xavix_state::draw_tile_line(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int tile, int bpp, int xpos, int ypos, int drawheight, int drawwidth, int flipx, int flipy, int pal, int zval, int line)
{
//const pen_t *paldata = m_palette->pens();
if (flipy)
line = drawheight - line;
if (ypos > cliprect.max_y || ypos < cliprect.min_y)
return;
if ((xpos > cliprect.max_x) || ((xpos + drawwidth) < cliprect.min_x))
return;
if ((ypos >= cliprect.min_y && ypos <= cliprect.max_y))
{
int bits_per_tileline = drawwidth * bpp;
// set the address here so we can increment in bits in the draw function
set_data_address(tile, 0);
if (flipy)
line = (drawheight - 1) - line;
m_tmp_dataaddress = m_tmp_dataaddress + ((line * bits_per_tileline) / 8);
m_tmp_databit = (line * bits_per_tileline) % 8;
@ -683,9 +676,6 @@ uint32_t xavix_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap,
bitmap.fill(m_palette->black_pen(), cliprect);
m_zbuffer.fill(0, cliprect);
rectangle clip = cliprect;
clip.min_y = cliprect.min_y;