From 4f8fd4a0d98267ff134a19b5ee7501e3fbc7e6e1 Mon Sep 17 00:00:00 2001
From: iq_132 <1191709+iq132@users.noreply.github.com>
Date: Mon, 30 Apr 2012 16:55:54 +0000
Subject: [PATCH] Small Epos update -- Dealer sound, implement watchdog.

---
 src/burn/drv/pre90s/d_epos.cpp | 52 +++++++++++++++++++++++++---------
 1 file changed, 38 insertions(+), 14 deletions(-)

diff --git a/src/burn/drv/pre90s/d_epos.cpp b/src/burn/drv/pre90s/d_epos.cpp
index cd22c457f..d3c6ca0d1 100644
--- a/src/burn/drv/pre90s/d_epos.cpp
+++ b/src/burn/drv/pre90s/d_epos.cpp
@@ -35,6 +35,8 @@ static UINT8 *DrvPaletteBank;
 static UINT8 *DealerZ80Bank;
 static UINT8 *DealerZ80Bank2;
 
+static int watchdog;
+
 static struct BurnInputInfo MegadonInputList[] = {
 	{"P1 Coin",		BIT_DIGITAL,	DrvJoy1 + 0,	"p1 coin"	},
 	{"P1 Start",		BIT_DIGITAL,	DrvJoy1 + 2,	"p1 start"	},
@@ -276,19 +278,20 @@ void __fastcall epos_write_port(UINT16 port, UINT8 data)
 	switch (port & 0xff)
 	{
 		case 0x00:
-		break;
+			watchdog = 0;
+		return;
 
 		case 0x01:
 			*DrvPaletteBank = (data << 1) & 0x10;
-		break;
+		return;
 
 		case 0x02:
 			AY8910Write(0, 1, data);
-		break;
+		return;
 
 		case 0x06:
 			AY8910Write(0, 0, data);
-		break;
+		return;
 	}
 }
 
@@ -348,7 +351,7 @@ void __fastcall dealer_write_port(UINT16 port, UINT8 data)
 		case 0x12:
 		case 0x13:
 			ppi8255_w(0, port & 3, data);
-		break;
+		return;
 
 		case 0x20:
 		case 0x21:
@@ -356,7 +359,19 @@ void __fastcall dealer_write_port(UINT16 port, UINT8 data)
 		case 0x23:
 		case 0x24:
 			dealer_bankswitch(port & 7);
-		break;
+		return;
+
+		case 0x34:
+			AY8910Write(0, 1, data);
+		return;
+
+		case 0x3c:
+			AY8910Write(0, 0, data);
+		return;
+
+		case 0x40:
+			watchdog = 0;
+		return;
 	}
 }
 
@@ -370,11 +385,11 @@ void DealerPPIWriteC(UINT8 data)
 	dealer_bankswitch2(data);
 }
 
-static INT32 DrvDoReset()
+static INT32 DrvDoReset(INT32 full_reset)
 {
-	DrvReset = 0;
-
-	memset (AllRam, 0, RamEnd - AllRam);
+	if (full_reset) {
+		memset (AllRam, 0, RamEnd - AllRam);
+	}
 
 	ZetOpen(0);
 	ZetReset();
@@ -384,6 +399,8 @@ static INT32 DrvDoReset()
 
 	AY8910Reset(0);
 
+	watchdog = 0;
+
 	return 0;
 }
 
@@ -492,7 +509,7 @@ static INT32 DrvInit()
 
 	GenericTilesInit();
 
-	DrvDoReset();
+	DrvDoReset(1);
 
 	return 0;
 }
@@ -539,7 +556,7 @@ static INT32 DealerInit()
 
 	GenericTilesInit();
 
-	DrvDoReset();
+	DrvDoReset(1);
 
 	return 0;
 }
@@ -572,6 +589,8 @@ static INT32 DrvDraw()
 	
 			DrvPalette[i] = BurnHighCol(r, g, b, 0);
 		}
+
+		DrvRecalc = 0;
 	}
 
 	for (INT32 i = 0; i < 0x8000; i++)
@@ -591,8 +610,13 @@ static INT32 DrvDraw()
 
 static INT32 DrvFrame()
 {
+	watchdog++;
+	if (watchdog > 180) {
+		DrvDoReset(0);
+	}
+
 	if (DrvReset) {
-		DrvDoReset();
+		DrvDoReset(1);
 	}
 
 	{
@@ -886,7 +910,7 @@ STD_ROM_FN(dealer)
 
 struct BurnDriver BurnDrvDealer = {
 	"dealer", NULL, NULL, NULL, "198?",
-	"The Dealer\0", "No Sound / Incorrect Colors", "Epos Corporation", "EPOS Tristar",
+	"The Dealer\0", "Incorrect Colors", "Epos Corporation", "EPOS Tristar",
 	NULL, NULL, NULL, NULL,
 	BDF_GAME_WORKING | BDF_ORIENTATION_VERTICAL, 1, HARDWARE_MISC_PRE90S, GBF_CASINO, 0,
 	NULL, dealerRomInfo, dealerRomName, NULL, NULL, DealerInputInfo, DealerDIPInfo,