From fd5c5e69499682017830874034d18c6cbc2326a4 Mon Sep 17 00:00:00 2001
From: angelosa <lordkale4@gmail.com>
Date: Tue, 18 Oct 2022 01:41:10 +0200
Subject: [PATCH] pc98ha.cpp: kickoff a bungo_flop.xml SW list

New NOT_WORKING software list additions
---------------------------------------
bungo_flop: Bungo Utilities (pwp50sx), Tetris (mini5) [Mike Stedman, Disk Blitz]
---
 hash/bungo_flop.xml     | 58 +++++++++++++++++++++++++++++++++++++++++
 src/mame/nec/pc98ha.cpp | 21 +++++++++++++--
 2 files changed, 77 insertions(+), 2 deletions(-)
 create mode 100644 hash/bungo_flop.xml

diff --git a/hash/bungo_flop.xml b/hash/bungo_flop.xml
new file mode 100644
index 00000000000..676c56966e5
--- /dev/null
+++ b/hash/bungo_flop.xml
@@ -0,0 +1,58 @@
+<?xml version="1.0"?>
+<!DOCTYPE softwarelist SYSTEM "softwarelist.dtd">
+<!--
+license:CC0
+-->
+
+<softwarelist name="bungo_flop" description="NEC Bungo disk images">
+
+	<software name="pwp50sx" supported="no">
+		<description>Bungo Utilities (pwp50sx)</description>
+		<year>1991</year>
+		<publisher>NEC</publisher>
+		<notes><![CDATA[
+Font disk: has an extra track with kinky format
+Sample disk: has two sectors broken hence baddump
+]]></notes>
+		<part name="flop1" interface="floppy_3_5">
+			<feature name="part_id" value="Auxiliary Disk" />
+			<dataarea name="flop" size="613572">
+				<rom name="pwp50sx-auxiliary-disk.imd" size="613572" crc="f83c3e57" sha1="c57aa9bb02fbc4be2e4e28de809d1eabe386ac6b" />
+			</dataarea>
+		</part>
+		<part name="flop2" interface="floppy_3_5">
+			<feature name="part_id" value="Font Disk" />
+			<dataarea name="flop" size="615616">
+				<rom name="pwp50sx-font-disk.imd" size="615616" crc="11a42466" sha1="16ef33e0d708245a69c6f8fa7b8c6f13b27461dd" />
+			</dataarea>
+		</part>
+		<part name="flop3" interface="floppy_3_5">
+			<feature name="part_id" value="Sample Disk" />
+			<dataarea name="flop" size="707085">
+				<rom name="pwp50sx-sample-disk.imd" size="707085" crc="12f681f4" sha1="8b1a8ad7fd1c4ed08067296ab7d389cf51d94d1b" status="baddump"/>
+			</dataarea>
+		</part>
+		<part name="flop4" interface="floppy_3_5">
+			<feature name="part_id" value="Spreadsheet Disk" />
+			<dataarea name="flop" size="185865">
+				<rom name="pwp50sx-spreadsheet-disk.imd" size="185865" crc="3ed7c387" sha1="89972768f57d798597aebaefc938d3ca9ba99351" />
+			</dataarea>
+		</part>
+	</software>
+
+
+	<software name="tetris" supported="no">
+		<description>Tetris (Mini5)</description>
+		<year>19??</year>
+		<publisher>&lt;unknown&gt;</publisher>
+		<notes><![CDATA[
+Has copy protection (non-standard sector sizes)
+]]></notes>
+		<part name="flop1" interface="floppy_3_5">
+			<dataarea name="flop" size="355203">
+				<rom name="mini5-tetris.imd" size="355203" crc="d369f80b" sha1="156a339746057b483e0f104dc69a3bf70cd18a26" />
+			</dataarea>
+		</part>
+	</software>
+
+</softwarelist>
diff --git a/src/mame/nec/pc98ha.cpp b/src/mame/nec/pc98ha.cpp
index f15b3d5f423..7fe2161db90 100644
--- a/src/mame/nec/pc98ha.cpp
+++ b/src/mame/nec/pc98ha.cpp
@@ -24,6 +24,18 @@
         - JEIDA memory card interface (68pin cfr. "Super Daisenryaku HA",
           most likely same as NeoGeo JEIDA 3.0 memory cards);
         - optional docking station (for floppy device only or can mount other stuff too?);
+    - mini5sx specifics:
+        - almost likely don't really belong here, will be split at a later date;
+        - needs list of components, no documentation available from the net except for specs here:
+          https://museum.ipsj.or.jp/en/computer/word/0058.html
+        - GFX ROM handling all wrong;
+        - Garbled message tells user to reset machine and hold SHIFT+MENU while having the
+          auxiliary disk in
+          https://www.leadedsolder.com/2022/10/15/pwp50sx-nec-mini5-psu-repair-pickup.html
+          NB: MENU key doesn't exist with current PC98 keyboard device, also note that the usual
+          I/O at $41-$43 is not polled (either expects an irq or perhaps they relocated)
+        - Verify what exactly the handwritten “Function 2 + F2 = Floppy.” printed on aux disk
+          means.
 
 **************************************************************************************************/
 
@@ -437,7 +449,7 @@ static void pc9801_floppies(device_slot_interface &device)
 {
 //  device.option_add("525dd", FLOPPY_525_DD);
 	device.option_add("525hd", FLOPPY_525_HD);
-//  device.option_add("35hd", FLOPPY_35_HD);
+	device.option_add("35hd", FLOPPY_35_HD);
 }
 
 void pc98lt_state::lt_config(machine_config &config)
@@ -510,11 +522,16 @@ void bungo_mini5sx_state::mini5sx_config(machine_config &config)
 {
 	ha_config(config);
 	const XTAL xtal = XTAL(16'000'000);
-	V50(config.replace(), m_maincpu, xtal); // TODO: pinpoint exact CPU flavour
+	V50(config.replace(), m_maincpu, xtal); // TODO: V33
 	m_maincpu->set_addrmap(AS_PROGRAM, &bungo_mini5sx_state::mini5sx_map);
 	m_maincpu->set_addrmap(AS_IO, &bungo_mini5sx_state::mini5sx_io);
 	m_maincpu->set_tclk(xtal / 4);
 //  m_maincpu->set_irq_acknowledge_callback("pic8259_master", FUNC(pic8259_device::inta_cb));
+
+	SOFTWARE_LIST(config, "disk_list").set_original("bungo_flop");
+
+	FLOPPY_CONNECTOR(config.replace(), "upd765:0", pc9801_floppies, "35hd", pc9801_state::floppy_formats);
+	FLOPPY_CONNECTOR(config.replace(), "upd765:1", pc9801_floppies, "35hd", pc9801_state::floppy_formats);
 }
 
 // all ROMs in both sets needs at least chip renaming, and I haven't seen a single PCB pic from the net.