diff --git a/hash/pc98.xml b/hash/pc98.xml
index 394cd14b449..7d52ad56c4b 100644
--- a/hash/pc98.xml
+++ b/hash/pc98.xml
@@ -4368,11 +4368,10 @@ fails to self boot, dos must be loaded first
1993
サムシンググッド (Something Good)
-
@@ -8963,7 +8962,6 @@ DAC1BIT sounds awful on anything, cfr. title screen (tested VM class, RS class a
-
Bokosuka Wars
1985
@@ -21793,10 +21791,11 @@ Reset machine after selecting option 1 "FUNNY start"
- Fushigi no Umi no Nadia - Option Disk
+ Fushigi no Umi no Nadia - Music Disk
1992?
ガイナックス (Gainax)
-
+
+
@@ -24252,58 +24251,59 @@ TODO: to install to HDD should be "INST1.BAT B: A:" but it fails recogni
-
+
Hamlet
1993
パンサーソフトウェア (Panther Software)
+
-
+
-
+
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
-
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+
+
+
+
+
+
+
+
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+
+
+
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+
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+
@@ -25508,7 +25508,7 @@ Optional [AMD-98] support, doesn't really use AY3
-
+
Houkago wa Betsu no Kao
1995
ユーコム (Ucom)
@@ -26161,8 +26161,7 @@ Hangs on [MIDI] detection
-
-
+
The Incredible Machine (v1.00)
1994
サイベル (Cybelle)
@@ -48282,11 +48281,11 @@ Eventually hangs with stuck [PC9801-26] sound note (verify, should be fixed)
- Tesserae
+ Tessera Kimi wa Yogoreta Tenshi ka Seinaru Majo ka!?
1992
- アスキー (ASCII)
-
-
+ ＧＡＭＥテクノポリス (Game Technopolis)
+
+
@@ -67897,12 +67896,12 @@ No keypress works for selecting main menu entries
-
+
LEX
1993
<doujin>
-
+
@@ -68039,8 +68038,12 @@ No keypress works for selecting main menu entries
Mana '94
- 19??
+ 1994
<doujin>
+
@@ -68077,10 +68080,10 @@ No keypress works for selecting main menu entries
Master Hand
- 19??
+ 1992?
<doujin>
-
+
@@ -70069,6 +70072,7 @@ Same as Police Quest 2 - Quest for Glory stand-alone disks
1991
フェアリーテール (Fairytale)
+
diff --git a/src/devices/bus/cbus/pc9801_86.cpp b/src/devices/bus/cbus/pc9801_86.cpp
index 16012f791ba..b86257e3da2 100644
--- a/src/devices/bus/cbus/pc9801_86.cpp
+++ b/src/devices/bus/cbus/pc9801_86.cpp
@@ -377,6 +377,7 @@ void pc9801_86_device::io_map(address_map &map)
, BIT(data, 6) ? 16 : 8
// 3 = stereo, 2 Left only, 1 Right only, 0 = No PCM output
, (data >> 4) & 3
+ // TODO: unknown purpose, normally 2, apparently set by AVSDRV differently
, data & 3
);
}