diff --git a/hash/pc98.xml b/hash/pc98.xml
index 9bac1cbb796..47da841de34 100644
--- a/hash/pc98.xml
+++ b/hash/pc98.xml
@@ -31285,7 +31285,6 @@ Optional [AMD-98] support, needs PIT for BGM
1986
アポロテクニカ (Apollo Technica)
@@ -66539,13 +66538,10 @@ Crashes with a BASIC error when accessing house near starting point, incomplete
-
+
Volleyball 2 on 2 (5.25" Disk)
19??
<unofficial>
-
diff --git a/src/mame/nec/pc9801_v.cpp b/src/mame/nec/pc9801_v.cpp
index b7b88602285..489a107a2d2 100644
--- a/src/mame/nec/pc9801_v.cpp
+++ b/src/mame/nec/pc9801_v.cpp
@@ -125,24 +125,38 @@ void pc9801_state::draw_text(bitmap_rgb32 &bitmap, uint32_t addr, int y, int wd,
kanji_sel = 1;
if((tile & 0x7e00) == 0x5600)
{
+ // ikochan (karaoke intro) and mightyhd (game start and gameplay)
+ // draws these PCG strips where first tile is identical to second, with LR disabled.
+ // TODO: what happens with LR enabled?
if(lasttile == (tile | knj_tile))
{
tile_lr = 1;
lasttile = -1;
}
else
+ {
tile_lr = pcg_lr;
+ lasttile = (tile | knj_tile);
+ }
x_step = 1;
}
else if((tile & 0x7c00) == 0x0800) // 8x16 charset selector
+ {
x_step = 1;
+ lasttile = -1;
+ }
else
+ {
x_step = 2;
+ lasttile = -1;
+ }
// kanji_lr = 0;
}
else
+ {
x_step = 1;
- lasttile = (tile | knj_tile);
+ lasttile = -1;
+ }
for(kanji_lr=0;kanji_lr