From e648ca57e6d8375e1e435b8d09079a82e3354d6b Mon Sep 17 00:00:00 2001
From: MetalliC <0vetal0@gmail.com>
Date: Sat, 6 Jan 2018 13:44:16 +0200
Subject: [PATCH] nicer prev (nw)

---
 src/devices/sound/aica.cpp | 22 +++++++++-------------
 1 file changed, 9 insertions(+), 13 deletions(-)

diff --git a/src/devices/sound/aica.cpp b/src/devices/sound/aica.cpp
index 24b114719f7..c7ef59e6c49 100644
--- a/src/devices/sound/aica.cpp
+++ b/src/devices/sound/aica.cpp
@@ -912,11 +912,10 @@ void aica_device::w16(address_space &space,unsigned int addr,unsigned short val)
 		//DSP
 		if(addr<0x3200) //COEF
 			*((unsigned short *) (m_DSP.COEF+(addr-0x3000)/2))=val;
-		else if(addr<0x3400)
-		{
-			assert(((addr-0x3200)/2) < ARRAY_LENGTH(m_DSP.MADRS));
+		else if(addr<0x3300)
 			*((unsigned short *) (m_DSP.MADRS+(addr-0x3200)/2))=val;
-		}
+		else if(addr<0x3400)
+			popmessage("AICADSP write to undocumented reg %04x -> %04x", addr, val);
 		else if(addr<0x3c00)
 		{
 			*((unsigned short *) (m_DSP.MPRO+(addr-0x3400)/2))=val;
@@ -975,10 +974,11 @@ unsigned short aica_device::r16(address_space &space, unsigned int addr)
 		{
 			v = m_EFSPAN[addr&0x7f];
 		}
+		else if (addr < 0x2800)
+			popmessage("AICA read undocumented reg %04x", addr);
 		else if (addr < 0x28be)
 		{
 			UpdateRegR(space, addr&0xff);
-			assert((addr&0xff) < ARRAY_LENGTH(m_udata.datab));
 			v= *((unsigned short *) (m_udata.datab+((addr&0xff))));
 			if((addr&0xfffe)==0x2810) m_udata.data[0x10/2] &= 0x7FFF;   // reset LP on read
 		}
@@ -996,18 +996,14 @@ unsigned short aica_device::r16(address_space &space, unsigned int addr)
 	{
 		if(addr<0x3200) //COEF
 			v= *((unsigned short *) (m_DSP.COEF+(addr-0x3000)/2));
-		else if(addr<0x3400)
-		{
-			assert(((addr-0x3200)/2) < ARRAY_LENGTH(m_DSP.MADRS));
+		else if(addr<0x3300)
 			v= *((unsigned short *) (m_DSP.MADRS+(addr-0x3200)/2));
-		}
+		else if(addr<0x3400)
+			popmessage("AICADSP read undocumented reg %04x", addr);
 		else if(addr<0x3c00)
 			v= *((unsigned short *) (m_DSP.MPRO+(addr-0x3400)/2));
 		else if(addr<0x4000)
-		{
-			v= 0xffff;
-			popmessage("AICADSP read to undocumented reg %04x",addr);
-		}
+			popmessage("AICADSP read undocumented reg %04x",addr);
 		else if(addr<0x4400)
 		{
 			if(addr & 4)