From f43f4b06969176e8afb47965813ad11e0d4b9591 Mon Sep 17 00:00:00 2001
From: angelosa <lordkale4@gmail.com>
Date: Sat, 6 Jan 2024 00:04:48 +0100
Subject: machine/8364_paula.cpp: assume max size if audlen == 0, fixes missing
 sound in videokid and wrestlmn

---
 hash/amigaocs_flop.xml             | 10 +++++++---
 src/devices/machine/8364_paula.cpp |  5 +++--
 src/devices/machine/8364_paula.h   |  2 +-
 3 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/hash/amigaocs_flop.xml b/hash/amigaocs_flop.xml
index 51b9072b43c..a3bca57e897 100644
--- a/hash/amigaocs_flop.xml
+++ b/hash/amigaocs_flop.xml
@@ -53998,9 +53998,9 @@ ATK test: OK
 		<publisher>Gremlin Graphics</publisher>
 		<notes><![CDATA[
 Red screen, [FDC] dsksync (fixed)
-No [Paula] sound
+No [Paula] sound (fixed)
 [Denise] sprites flickers when hitting the bottom edge
-Status bar don't draw score/lives text [Denise]
+Status bar don't draw score/lives text [Denise] or [Copper]
 Stage 2 (Wild West) draws black background [Copper]
 https://codetapper.com/amiga/sprite-tricks/videokid/
 ATK test: failed
@@ -56402,11 +56402,13 @@ ATK test: failed
 		<publisher>Ocean</publisher>
 		<notes><![CDATA[
 White screen [FDC] dsksync (fixed)
-No [Paula] sounds
+No [Paula] sounds (fixed)
 Gameplay doesn't draw left-right ropes [Copper] sprites
 https://codetapper.com/amiga/sprite-tricks/wwf-wrestlemania/
 ATK test: failed
 ]]></notes>
+		<info name="usage" value="Dislikes mouse connected in any port for practice mode (wants joystick)" />
+
 		<part name="flop1" interface="floppy_3_5">
 			<feature name="part_id" value="Disk 1" />
 			<dataarea name="flop" size="851712">
@@ -56432,6 +56434,8 @@ ATK test: failed
 Pink screen [FDC] dsksync (fixed)
 ATK test: failed
 ]]></notes>
+		<info name="usage" value="Dislikes mouse connected in any port for practice mode (versus)" />
+
 		<part name="flop1" interface="floppy_3_5">
 			<feature name="part_id" value="Disk 1" />
 			<dataarea name="flop" size="852144">
diff --git a/src/devices/machine/8364_paula.cpp b/src/devices/machine/8364_paula.cpp
index e6be4c878ad..a06eed90ca4 100644
--- a/src/devices/machine/8364_paula.cpp
+++ b/src/devices/machine/8364_paula.cpp
@@ -207,8 +207,9 @@ TIMER_CALLBACK_MEMBER( paula_8364_device::signal_irq )
 void paula_8364_device::dma_reload(audio_channel *chan, bool startup)
 {
 	chan->curlocation = chan->loc;
-	// TODO: how to treat length == 0?
-	chan->curlength = chan->len;
+	// TODO: Unconfirmed, assume max size if length is 0.
+	// cfr. wrestlmn and videokid, where they pratically never get even close to buffer exhaustion.
+	chan->curlength = chan->len == 0 ? 0x10000 : chan->len;
 	// TODO: on startup=false irq should be delayed two cycles
 	if (startup)
 		chan->irq_timer->adjust(attotime::from_hz(15750), chan->index); // clock() / 227
diff --git a/src/devices/machine/8364_paula.h b/src/devices/machine/8364_paula.h
index 873525f8e0e..b4b371f8a98 100644
--- a/src/devices/machine/8364_paula.h
+++ b/src/devices/machine/8364_paula.h
@@ -86,7 +86,7 @@ private:
 	{
 		emu_timer *irq_timer;
 		uint32_t curlocation;
-		uint16_t curlength;
+		uint32_t curlength;
 		uint16_t curticks;
 		uint8_t index;
 		bool dma_enabled;
-- 
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