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Diffstat (limited to 'src/mame/video/seta2.cpp')
-rw-r--r--src/mame/video/seta2.cpp36
1 files changed, 18 insertions, 18 deletions
diff --git a/src/mame/video/seta2.cpp b/src/mame/video/seta2.cpp
index f3e7fa9e123..d5f66766702 100644
--- a/src/mame/video/seta2.cpp
+++ b/src/mame/video/seta2.cpp
@@ -75,14 +75,14 @@
The low bits of the pens from a "shadowing" tile (regardless of color code)
substitute the top bits of the color index (0-7fff) in the frame buffer.
- Note:
+ Note:
- Based on raster effect usage in Guardians it would appear this list is
- transformed into an alt format by the hardware. It is unknown if this
- alt format is visible to the CPU for reading, or only writing the updated
- scroll positions. We could do with attempting a RAM capture to see what
- this format really looks like if it is CPU visible as the current
- implementation of this copy / reformat operation is pure guesswork
+ Based on raster effect usage in Guardians it would appear this list is
+ transformed into an alt format by the hardware. It is unknown if this
+ alt format is visible to the CPU for reading, or only writing the updated
+ scroll positions. We could do with attempting a RAM capture to see what
+ this format really looks like if it is CPU visible as the current
+ implementation of this copy / reformat operation is pure guesswork
***************************************************************************/
@@ -473,7 +473,7 @@ int seta2_state::calculate_global_xoffset(int nozoom_fixedpalette_fixedposition)
/*
int global_xoffset = (m_vregs[0x12/2] & 0x7ff); // and 0x10/2 for low bits
if (global_xoffset & 0x400)
- global_xoffset -= 0x800;
+ global_xoffset -= 0x800;
// funcube3 sets a global xoffset of -1 causing a single pixel shift, does something else compensate for it?
// note, it also writes a different address for the sprite buffering (related?) but doesn't also have the global zoom set to negative like Star Audition which also writes there.
@@ -484,7 +484,7 @@ int seta2_state::calculate_global_xoffset(int nozoom_fixedpalette_fixedposition)
// TODO: properly render negative zoom sprites
if (global_xzoom & 0x400)
{
- global_xoffset -= 0x14f;
+ global_xoffset -= 0x14f;
}
*/
@@ -501,7 +501,7 @@ int seta2_state::calculate_global_yoffset(int nozoom_fixedpalette_fixedposition)
// Sprites list
//int global_yoffset = (m_vregs[0x1a / 2] & 0x7ff); // and 0x18/2 for low bits
//if (global_yoffset & 0x400)
- // global_yoffset -= 0x800;
+ // global_yoffset -= 0x800;
//global_yoffset += 1; // +2 for myangel / myangel2?
int global_yoffset = 0;
@@ -599,19 +599,19 @@ void seta2_state::draw_sprites_line(bitmap_ind16 &bitmap, const rectangle &clipr
int height = use_global_size ? global_sizey : local_sizey;
height = ((height & 0xfc00) >> 10) + 1;
-
+
int firstline = (sy + yoffs) & 0x3ff;
-
+
if (firstline & 0x200)
firstline -= 0x400;
-
+
int endline = firstline + height * 0x10 - 1;
// if the sprite doesn't cover this scanline, bail now
-
+
if (endline & 0x200)
endline -= 0x400;
-
+
if (endline >= firstline)
{
if (firstline > usedscanline) continue;
@@ -691,7 +691,7 @@ void seta2_state::draw_sprites_line(bitmap_ind16 &bitmap, const rectangle &clipr
if (realscanline == 128)
{
- // printf("%04x %02x %d %d\n", sprite_debug_count, num, yoffs, sy);
+ // printf("%04x %02x %d %d\n", sprite_debug_count, num, yoffs, sy);
}
int sizey = use_global_size ? global_sizey : s2[1] & 0xfc00;
@@ -760,7 +760,7 @@ void seta2_state::draw_sprites_line(bitmap_ind16 &bitmap, const rectangle &clipr
realsx = realsx * usedxzoom;
drawgfx_line(bitmap, cliprect, which_gfx, m_spritegfx->get_data(m_realtilenumber[realcode]), color << 4, flipx, flipy, realsx, usedxzoom, use_shadow, realscanline, line, opaque);
}
-
+
}
}
}
@@ -852,7 +852,7 @@ void seta2_state::draw_sprites(bitmap_ind16& bitmap, const rectangle& cliprect)
yy &= 0x07ffffff;
yy >>= 16;
- // printf("line %04x yline requested %04x\n", y, yy);
+ // printf("line %04x yline requested %04x\n", y, yy);
if (yy & 0x400)
yy -= 0x800;