From d21a4fbf3c5f9fb54d98abed677bc2b017983d8b Mon Sep 17 00:00:00 2001
From: OBattler <oubattler@gmail.com>
Date: Fri, 25 Aug 2017 23:03:15 +0200
Subject: [PATCH 1/4] Fixed several bugs in the Buslogic emulation, and
 implemented the BIOS stuff correctly - AutoSCSI now works and the PCI SCSI
 BIOS no longer needs to have an legayc ISA-compatible port enabled to work;
 the PCI controller has also been changed from BT-958D to BT-946C which is
 more like what we emulate.

---
 src/scsi.c          |   2 +-
 src/scsi_buslogic.c | 367 +++++++++++++++++++++++++++++++++-----------
 2 files changed, 279 insertions(+), 90 deletions(-)

diff --git a/src/scsi.c b/src/scsi.c
index 6cd849f6d..95a7c27ad 100644
--- a/src/scsi.c
+++ b/src/scsi.c
@@ -53,7 +53,7 @@ static SCSI_CARD scsi_cards[] = {
     { "Adaptec AHA-1542CF",	"aha1542cf",	&aha1542cf_device,    aha_device_reset    },
     { "Adaptec AHA-1640",	"aha1640",	&aha1640_device,      aha_device_reset    },
     { "BusLogic BT-542B",	"bt542b",	&buslogic_device,     BuslogicDeviceReset },
-    { "BusLogic BT-958D PCI",	"bt958d",	&buslogic_pci_device, BuslogicDeviceReset },
+    { "BusLogic BT-946C PCI",	"bt946c",	&buslogic_pci_device, BuslogicDeviceReset },
     { "",			"",		NULL,		      NULL		  },
 };
 
diff --git a/src/scsi_buslogic.c b/src/scsi_buslogic.c
index 5097ba3e7..28bb3f939 100644
--- a/src/scsi_buslogic.c
+++ b/src/scsi_buslogic.c
@@ -8,7 +8,7 @@
  *		supported:
  *
  *		  0 - BT-542B ISA;
- *		  1 - BT-958 PCI (but BT-542B ISA on non-PCI machines)
+ *		  1 - BT-946C PCI (but BT-542B ISA on non-PCI machines)
  *
  * Version:	@(#)scsi_buslogic.c	1.0.8	2017/08/23
  *
@@ -119,24 +119,10 @@ typedef struct {
 		fIrqAutoConfiguration	:1;
     uint8_t	uDMATransferRate;
     uint8_t	uSCSIId;
-    uint8_t	fLowByteTerminated	:1,
-		fParityCheckingEnabled	:1,
-		fHighByteTerminated	:1,
-		fNoisyCablingEnvironment:1,
-		fFastSyncNegotiation	:1,
-		fBusResetEnabled	:1,
-		fReserved3		:1,
-		fActiveNegotiationEna	:1;
+    uint8_t	uSCSIConfiguration;
     uint8_t	uBusOnDelay;
     uint8_t	uBusOffDelay;
-    uint8_t	fHostAdapterBIOSEnabled	:1,
-		fBIOSRedirectionOfInt19 :1,
-		fExtendedTranslation	:1,
-		fMapRemovableAsFixed	:1,
-		fReserved4		:1,
-		fBIOSMoreThan2Drives	:1,
-		fBIOSInterruptMode	:1,
-		fFlopticalSupport	:1;
+    uint8_t	uBIOSConfiguration;
     uint16_t	u16DeviceEnabledMask;
     uint16_t	u16WidePermittedMask;
     uint16_t	u16FastPermittedMask;
@@ -491,7 +477,7 @@ typedef struct {
     uint8_t	CmdBuf[128];
     uint8_t	CmdParam;
     uint8_t	CmdParamLeft;
-    uint8_t	DataBuf[128];
+    uint8_t	DataBuf[65536];
     uint16_t	DataReply;
     uint16_t	DataReplyLeft;
     uint32_t	MailboxCount;
@@ -517,6 +503,7 @@ typedef struct {
     uint32_t	bios_addr,
 		bios_size,
 		bios_mask;
+    uint8_t     AutoSCSIROM[32768];
 } Buslogic_t;
 #pragma pack(pop)
 
@@ -529,6 +516,7 @@ static Buslogic_t *BuslogicResetDevice;
 
 enum {
     CHIP_BUSLOGIC_ISA,
+    CHIP_BUSLOGIC_MCA,
     CHIP_BUSLOGIC_PCI
 };
 
@@ -594,6 +582,122 @@ BuslogicInterrupt(Buslogic_t *bl, int set)
 }
 
 
+static wchar_t *
+BuslogicGetNVRFileName(Buslogic_t *bl)
+{
+	switch(bl->chip)
+	{
+		case CHIP_BUSLOGIC_ISA:
+			return L"bt542b.nvr";
+		case CHIP_BUSLOGIC_MCA:
+			return L"bt640.nvr";
+		case CHIP_BUSLOGIC_PCI:
+			return L"bt946c.nvr";
+		default:
+			fatal("Unrecognized BusLogic chip: %i\n", bl->chip);
+			return NULL;
+	}
+}
+
+
+static void
+BuslogicInitializeAutoSCSIRam(Buslogic_t *bl, uint8_t safe)
+{
+	HALocalRAM *HALR = &bl->LocalRAM;
+
+	memset(&(HALR->structured.autoSCSIData), 0, sizeof(AutoSCSIRam));
+
+	HALR->structured.autoSCSIData.aInternalSignature[0] = 'F';
+	HALR->structured.autoSCSIData.aInternalSignature[1] = 'A';
+
+	HALR->structured.autoSCSIData.cbInformation = 64;
+
+	HALR->structured.autoSCSIData.aHostAdaptertype[0] = (bl->chip == CHIP_BUSLOGIC_PCI) ? '9' : '5';
+	HALR->structured.autoSCSIData.aHostAdaptertype[1] = '4';
+	HALR->structured.autoSCSIData.aHostAdaptertype[2] = (bl->chip == CHIP_BUSLOGIC_PCI) ? '6' : '2';
+	HALR->structured.autoSCSIData.aHostAdaptertype[3] = (bl->chip == CHIP_BUSLOGIC_PCI) ? 'C' : 'B';
+	HALR->structured.autoSCSIData.aHostAdaptertype[4] = ' ';
+
+	HALR->structured.autoSCSIData.fLevelSensitiveInterrupt = (bl->chip == CHIP_BUSLOGIC_PCI) ? 1 : 0;
+	HALR->structured.autoSCSIData.uSystemRAMAreForBIOS = 6;
+
+	if (bl->chip != CHIP_BUSLOGIC_PCI)
+	{
+		switch(bl->DmaChannel)
+		{
+			case 5:
+				HALR->structured.autoSCSIData.uDMAChannel = 1;
+				break;
+			case 6:
+				HALR->structured.autoSCSIData.uDMAChannel = 2;
+				break;
+			case 7:
+				HALR->structured.autoSCSIData.uDMAChannel = 3;
+				break;
+			default:
+				HALR->structured.autoSCSIData.uDMAChannel = 0;
+				break;
+		}
+	}
+	HALR->structured.autoSCSIData.fDMAAutoConfiguration = (bl->chip == CHIP_BUSLOGIC_PCI) ? 0 : 1;
+
+	if (bl->chip != CHIP_BUSLOGIC_PCI)
+	{
+		switch(bl->Irq)
+		{
+			case 9:
+				HALR->structured.autoSCSIData.uIrqChannel = 1;
+				break;
+			case 10:
+				HALR->structured.autoSCSIData.uIrqChannel = 2;
+				break;
+			case 11:
+				HALR->structured.autoSCSIData.uIrqChannel = 3;
+				break;
+			case 12:
+				HALR->structured.autoSCSIData.uIrqChannel = 4;
+				break;
+			case 14:
+				HALR->structured.autoSCSIData.uIrqChannel = 5;
+				break;
+			case 15:
+				HALR->structured.autoSCSIData.uIrqChannel = 6;
+				break;
+			default:
+				HALR->structured.autoSCSIData.uIrqChannel = 0;
+				break;
+		}
+	}
+	HALR->structured.autoSCSIData.fIrqAutoConfiguration = (bl->chip == CHIP_BUSLOGIC_PCI) ? 0 : 1;
+
+	HALR->structured.autoSCSIData.uDMATransferRate = (bl->chip == CHIP_BUSLOGIC_ISA) ? 1 : 0;
+
+	HALR->structured.autoSCSIData.uSCSIId = 15;
+	HALR->structured.autoSCSIData.uSCSIConfiguration = 0x3F;
+	HALR->structured.autoSCSIData.uBusOnDelay = (bl->chip == CHIP_BUSLOGIC_PCI) ? 0 : 7;
+	HALR->structured.autoSCSIData.uBusOffDelay = (bl->chip == CHIP_BUSLOGIC_PCI) ? 0 : 4;
+	HALR->structured.autoSCSIData.uBIOSConfiguration = (bl->has_bios) ? 0x33 : 0x32;
+	if (!safe)
+	{
+		HALR->structured.autoSCSIData.uBIOSConfiguration |= 0x04;
+	}
+
+	HALR->structured.autoSCSIData.u16DeviceEnabledMask = 0xffff;
+	HALR->structured.autoSCSIData.u16WidePermittedMask = 0xffff;
+	HALR->structured.autoSCSIData.u16FastPermittedMask = 0xffff;
+	HALR->structured.autoSCSIData.u16SynchronousPermittedMask = 0xffff;
+	HALR->structured.autoSCSIData.u16DisconnectPermittedMask = 0xffff;
+
+	HALR->structured.autoSCSIData.uPCIInterruptPin = PCI_INTB;
+	HALR->structured.autoSCSIData.fVesaBusSpeedGreaterThan33MHz = 1;
+
+	HALR->structured.autoSCSIData.uAutoSCSIMaximumLUN = 7;
+
+	HALR->structured.autoSCSIData.fInt13Extension = safe ? 0 : 1;
+	HALR->structured.autoSCSIData.fCDROMBoot = safe ? 0 : 1;
+}
+
+
 static void
 BuslogicClearInterrupt(Buslogic_t *bl)
 {
@@ -1590,14 +1694,7 @@ BuslogicRead(uint16_t Port, void *p)
 		break;
 		
 	case 1:
-		if (bl->UseLocalRAM && (bl->Command == 0x91))
-		{
-			Temp = bl->LocalRAM.u8View[bl->DataReply];
-		}
-		else
-		{
-			Temp = bl->DataBuf[bl->DataReply];
-		}
+		Temp = bl->DataBuf[bl->DataReply];
 		if (bl->DataReplyLeft) 
 		{
 			bl->DataReply++;
@@ -1617,7 +1714,8 @@ BuslogicRead(uint16_t Port, void *p)
 		break;
     }
 
-    if (Port < 0x1000) {
+    /* if (Port < 0x1000) { */
+    if (Port & 3) {
 	pclog("Buslogic: Read Port 0x%02X, Returned Value %02X\n",
 							Port, Temp);
     }
@@ -1640,6 +1738,29 @@ BuslogicReadL(uint16_t Port, void *p)
 }
 
 
+static uint8_t
+BuslogicMemRead(uint32_t addr, void *p)
+{
+    pclog("BuslogicMemRead(%08X, %08X)\n", addr, p);
+    return BuslogicRead(addr & 3, p);
+}
+
+
+static uint16_t
+BuslogicMemReadW(uint32_t addr, void *p)
+{
+    pclog("BuslogicMemReadW(%08X, %08X)\n", addr, p);
+    return BuslogicReadW(addr & 3, p);
+}
+
+static uint32_t
+BuslogicMemReadL(uint32_t addr, void *p)
+{
+    pclog("BuslogicMemReadL(%08X, %08X)\n", addr, p);
+    return BuslogicReadL(addr & 3, p);
+}
+
+
 static void BuslogicWriteW(uint16_t Port, uint16_t Val, void *p);
 static void BuslogicWriteL(uint16_t Port, uint32_t Val, void *p);
 static void
@@ -1659,6 +1780,7 @@ BuslogicWrite(uint16_t Port, uint8_t Val, void *p)
     int cCharsToTransfer;
     uint16_t cyl = 0;
     uint8_t temp = 0;
+    FILE *f;
 
     pclog("Buslogic: Write Port 0x%02X, Value %02X\n", Port, Val);
 
@@ -1784,6 +1906,7 @@ BuslogicWrite(uint16_t Port, uint8_t Val, void *p)
 		if (!bl->CmdParamLeft) 
 		{
 			SpecificLog("Running Operation Code 0x%02X\n", bl->Command);
+			bl->DataReply = 0;
 			switch (bl->Command) {
 				case 0x00:
 					bl->DataReplyLeft = 0;
@@ -1828,8 +1951,8 @@ BuslogicWrite(uint16_t Port, uint8_t Val, void *p)
 					pclog("Inquire Board\n");
 					bl->DataBuf[0] = 0x41;
 					bl->DataBuf[1] = 0x41;
-					bl->DataBuf[2] = '2';
-					bl->DataBuf[3] = '2';
+					bl->DataBuf[2] = (bl->chip == CHIP_BUSLOGIC_PCI) ? '5' : '2';
+					bl->DataBuf[3] = (bl->chip == CHIP_BUSLOGIC_PCI) ? '0' : '2';
 					bl->DataReplyLeft = 4;
 					break;
 
@@ -1981,7 +2104,7 @@ BuslogicWrite(uint16_t Port, uint8_t Val, void *p)
 					uint16_t TargetsPresentMask = 0;
 							
 					for (i=0; i<15; i++) {
-						if (scsi_device_present(i, j))
+						if (scsi_device_present(i, 0))
 						    TargetsPresentMask |= (1 << i);
 					}
 					bl->DataBuf[0] = TargetsPresentMask & 0xFF;
@@ -2033,12 +2156,12 @@ BuslogicWrite(uint16_t Port, uint8_t Val, void *p)
 					break;
 				
 				case 0x84:
-					bl->DataBuf[0] = '1';
+					bl->DataBuf[0] = (bl->chip == CHIP_BUSLOGIC_PCI) ? '7' : '1';
 					bl->DataReplyLeft = 1;
 					break;				
 
 				case 0x85:
-					bl->DataBuf[0] = 'E';
+					bl->DataBuf[0] = (bl->chip == CHIP_BUSLOGIC_PCI) ? 'B' : 'E';
 					bl->DataReplyLeft = 1;
 					break;
 		
@@ -2087,9 +2210,9 @@ BuslogicWrite(uint16_t Port, uint8_t Val, void *p)
 					memset(bl->DataBuf, 0, bl->DataReplyLeft);
 					if (bl->chip == CHIP_BUSLOGIC_PCI) {
 						aModelName[0] = '9';
-						aModelName[1] = '5';
-						aModelName[2] = '8';
-						aModelName[3] = 'D';
+						aModelName[1] = '4';
+						aModelName[2] = '6';
+						aModelName[3] = 'C';
 					}
 					cCharsToTransfer =   bl->DataReplyLeft <= sizeof(aModelName)
 							? bl->DataReplyLeft
@@ -2127,7 +2250,7 @@ BuslogicWrite(uint16_t Port, uint8_t Val, void *p)
 						ReplyIESI->fLevelSensitiveInterrupt = 1;
 						ReplyIESI->fHostUltraSCSI = 1;
 					}
-					memcpy(ReplyIESI->aFirmwareRevision, "21E", sizeof(ReplyIESI->aFirmwareRevision));
+					memcpy(ReplyIESI->aFirmwareRevision, (bl->chip == CHIP_BUSLOGIC_PCI) ? "07B" : "21E", sizeof(ReplyIESI->aFirmwareRevision));
 					SpecificLog("Return Extended Setup Information: %d\n", bl->CmdBuf[0]);
 					break;
 
@@ -2148,28 +2271,65 @@ BuslogicWrite(uint16_t Port, uint8_t Val, void *p)
 
 				case 0x90:	
 					pclog("Store Local RAM\n");
-
 					Offset = bl->CmdBuf[0];
 					bl->DataReplyLeft = 0;
-
-					for (i = 0; i < bl->CmdBuf[1]; i++)
-					{
-						bl->LocalRAM.u8View[Offset + i] = bl->CmdBuf[i + 2];
-					}
-							
-					bl->UseLocalRAM = 0;
-					bl->DataReply = Offset;
+					memcpy(&(bl->LocalRAM.u8View[Offset]), &(bl->CmdBuf[2]), bl->CmdBuf[1]);
+	
+					bl->DataReply = 0;
 					break;
 				
 				case 0x91:
 					pclog("Fetch Local RAM\n");
 					Offset = bl->CmdBuf[0];
 					bl->DataReplyLeft = bl->CmdBuf[1];
-							
-					bl->UseLocalRAM = 1;
-					bl->DataReply = Offset;
+					memcpy(bl->DataBuf, &(bl->LocalRAM.u8View[Offset]), bl->CmdBuf[1]);
+
+					bl->DataReply = 0;
 					break;
-					
+
+				case 0x92:
+					bl->DataReplyLeft = 0;
+
+					switch (bl->CmdBuf[0])
+					{
+						case 0:
+						case 2:
+							BuslogicInitializeAutoSCSIRam(bl, 0);
+							break;
+						case 3:
+							BuslogicInitializeAutoSCSIRam(bl, 3);
+							break;
+						case 1:
+							f = nvrfopen(BuslogicGetNVRFileName(bl), L"wb");
+							if (f)
+							{
+								fwrite(&(bl->LocalRAM.u8View[64]), 1, 64, f);
+								fclose(f);
+								f = NULL;
+							}
+							break;
+						default:
+							bl->Status |= STAT_INVCMD;
+							break;
+					}
+					break;
+
+				case 0x94:
+					if (bl->CmdBuf[0])
+					{
+						SpecificLog("Invalid AutoSCSI command mode %x\n", bl->CmdBuf[0]);
+						bl->DataReplyLeft = 0;
+						bl->Status |= STAT_INVCMD;
+					}
+					else
+					{
+						bl->DataReplyLeft = bl->CmdBuf[2];
+						bl->DataReplyLeft <<= 8;
+						bl->DataReplyLeft |= bl->CmdBuf[1];
+						memcpy(bl->DataBuf, bl->AutoSCSIROM, bl->DataReplyLeft);
+					}
+					break;
+
 				case 0x95:
 				if (bl->chip == CHIP_BUSLOGIC_PCI) {
 					if (bl->Base != 0) {
@@ -2276,6 +2436,30 @@ BuslogicWriteL(uint16_t Port, uint32_t Val, void *p)
 }
 
 
+static void
+BuslogicMemWrite(uint32_t addr, uint8_t Val, void *p)
+{
+    pclog("BuslogicMemWrite(%08X, %02X, %08X)\n", addr, Val, p);
+    BuslogicWrite(addr & 3, Val, p);
+}
+
+
+static void
+BuslogicMemWriteW(uint32_t addr, uint16_t Val, void *p)
+{
+    pclog("BuslogicMemWriteW(%08X, %04X, %08X)\n", addr, Val, p);
+    BuslogicWriteW(addr & 3, Val, p);
+}
+
+
+static void
+BuslogicMemWriteL(uint32_t addr, uint32_t Val, void *p)
+{
+    pclog("BuslogicMemWriteL(%08X, %08X, %08X)\n", addr, Val, p);
+    BuslogicWriteL(addr & 3, Val, p);
+}
+
+
 static void
 BuslogicSenseBufferFree(Req_t *req, int Copy)
 {
@@ -2551,27 +2735,6 @@ BuslogicCommandCallback(void *p)
 }
 
 
-static uint8_t
-mem_read_null(uint32_t addr, void *priv)
-{
-    return(0);
-}
-
-
-static uint16_t
-mem_read_nullw(uint32_t addr, void *priv)
-{
-    return(0);
-}
-
-
-static uint32_t
-mem_read_nulll(uint32_t addr, void *priv)
-{
-    return(0);
-}
-
-
 typedef union {
     uint32_t	addr;
     uint8_t	addr_regs[4];
@@ -2597,9 +2760,9 @@ BuslogicBIOSUpdate(Buslogic_t *bl)
 	mem_mapping_enable(&bl->bios.mapping);
 	mem_mapping_set_addr(&bl->bios.mapping,
 			     bl->bios_addr, bl->bios_size);
-	pclog("BT-958D: BIOS now at: %06X\n", bl->bios_addr);
+	pclog("BT-946C: BIOS now at: %06X\n", bl->bios_addr);
     } else {
-	pclog("BT-958D: BIOS disabled\n");
+	pclog("BT-946C: BIOS disabled\n");
 	mem_mapping_disable(&bl->bios.mapping);
     }
 }
@@ -2610,6 +2773,8 @@ BuslogicPCIRead(int func, int addr, void *p)
 {
     Buslogic_t *bl = (Buslogic_t *)p;
 
+    pclog("BT-946C: Reading register %02X\n", addr & 0xff);
+
     switch (addr) {
 	case 0x00:
 		return 0x4b;
@@ -2632,7 +2797,9 @@ BuslogicPCIRead(int func, int addr, void *p)
 	case 0x0A:
 		return 0;			/*Subclass*/
 	case 0x0B:
-		return 1;			/* Class code*/
+		return 1;			/*Class code*/
+	case 0x0E:
+		return 0;			/*Header type */
 	case 0x10:
 		return (buslogic_pci_bar[0].addr_regs[0] & 0xe0) | 1;	/*I/O space*/
 	case 0x11:
@@ -2659,18 +2826,18 @@ BuslogicPCIRead(int func, int addr, void *p)
 		return 0x10;
 #if 0
 	case 0x30:			/* PCI_ROMBAR */
-		pclog("BT-958D: BIOS BAR 00 = %02X\n", buslogic_pci_bar[2].addr_regs[0] & 0x01);
+		pclog("BT-946C: BIOS BAR 00 = %02X\n", buslogic_pci_bar[2].addr_regs[0] & 0x01);
 		return buslogic_pci_bar[2].addr_regs[0] & 0x01;
 	case 0x31:			/* PCI_ROMBAR 15:11 */
-		pclog("BT-958D: BIOS BAR 01 = %02X\n", (buslogic_pci_bar[2].addr_regs[1] & bl->bios_mask));
+		pclog("BT-946C: BIOS BAR 01 = %02X\n", (buslogic_pci_bar[2].addr_regs[1] & bl->bios_mask));
 		return (buslogic_pci_bar[2].addr_regs[1] & bl->bios_mask);
 		break;
 	case 0x32:			/* PCI_ROMBAR 23:16 */
-		pclog("BT-958D: BIOS BAR 02 = %02X\n", buslogic_pci_bar[2].addr_regs[2]);
+		pclog("BT-946C: BIOS BAR 02 = %02X\n", buslogic_pci_bar[2].addr_regs[2]);
 		return buslogic_pci_bar[2].addr_regs[2];
 		break;
 	case 0x33:			/* PCI_ROMBAR 31:24 */
-		pclog("BT-958D: BIOS BAR 03 = %02X\n", buslogic_pci_bar[2].addr_regs[3]);
+		pclog("BT-946C: BIOS BAR 03 = %02X\n", buslogic_pci_bar[2].addr_regs[3]);
 		return buslogic_pci_bar[2].addr_regs[3];
 		break;
 #endif
@@ -2690,11 +2857,13 @@ BuslogicPCIWrite(int func, int addr, uint8_t val, void *p)
     Buslogic_t *bl = (Buslogic_t *)p;
     uint8_t valxor;
 
+    pclog("BT-946C: Write value %02X to register %02X\n", val, addr & 0xff);
+
     switch (addr) {
 	case 0x04:
 		valxor = (val & 0x27) ^ buslogic_pci_regs[addr];
 		if (valxor & PCI_COMMAND_IO) {
-			io_removehandler(bl->PCIBase, 4,
+			io_removehandler(bl->PCIBase, 0x20,
 				 BuslogicRead, BuslogicReadW, BuslogicReadL,
 				 BuslogicWrite, BuslogicWriteW, BuslogicWriteL,
 				 bl);
@@ -2760,7 +2929,7 @@ BuslogicPCIWrite(int func, int addr, uint8_t val, void *p)
 		pclog("BusLogic PCI: New MMIO base is %04X\n" , bl->MMIOBase);
 		/* We're done, so get out of the here. */
 		if (buslogic_pci_regs[4] & PCI_COMMAND_MEM) {
-			if (bl->PCIBase != 0) {
+			if (bl->MMIOBase != 0) {
 				mem_mapping_set_addr(&bl->mmio_mapping,
 						     bl->MMIOBase, 0x20);
 			}
@@ -2775,7 +2944,7 @@ BuslogicPCIWrite(int func, int addr, uint8_t val, void *p)
 		buslogic_pci_bar[2].addr_regs[1] &= bl->bios_mask;
 		buslogic_pci_bar[2].addr &= 0xffffe001;
 		bl->bios_addr = buslogic_pci_bar[2].addr;
-		pclog("BT-958D: BIOS BAR %02X = NOW %02X (%02X)\n", addr & 3, buslogic_pci_bar[2].addr_regs[addr & 3], val);
+		pclog("BT-946C: BIOS BAR %02X = NOW %02X (%02X)\n", addr & 3, buslogic_pci_bar[2].addr_regs[addr & 3], val);
 		BuslogicBIOSUpdate(bl);
 		return;
 #endif
@@ -2811,8 +2980,6 @@ BuslogicInitializeLocalRAM(Buslogic_t *bl)
 	{
 		bl->LocalRAM.structured.autoSCSIData.fLevelSensitiveInterrupt = 0;
 	}
-	bl->LocalRAM.structured.autoSCSIData.fParityCheckingEnabled = 1;
-	bl->LocalRAM.structured.autoSCSIData.fExtendedTranslation = 1;
 	bl->LocalRAM.structured.autoSCSIData.u16DeviceEnabledMask = ~0;
 	bl->LocalRAM.structured.autoSCSIData.u16WidePermittedMask = ~0;
 	bl->LocalRAM.structured.autoSCSIData.u16FastPermittedMask = ~0;
@@ -2827,6 +2994,7 @@ static void *
 BuslogicInit(int chip)
 {
     Buslogic_t *bl;
+    FILE *f;
 
     bl = malloc(sizeof(Buslogic_t));
     memset(bl, 0x00, sizeof(Buslogic_t));
@@ -2871,7 +3039,16 @@ BuslogicInit(int chip)
 		}
 		else
 		{
-        		rom_init(&bl->bios, L"roms/scsi/buslogic/494GNPCI.ROM", 0xd8000, 0x8000, 0x7fff, 0, MEM_MAPPING_EXTERNAL);
+        		rom_init(&bl->bios, L"roms/scsi/buslogic/428A494G.BIN", 0xd8000, 0x4000, 0x3fff, 0, MEM_MAPPING_EXTERNAL);
+			memset(bl->AutoSCSIROM, 0xff, 32768);
+			f = romfopen(L"roms/scsi/buslogic/AutoSCSI.rom", L"rb");
+		}
+
+		if (f)
+		{
+			fread(bl->AutoSCSIROM, 1, 32768, f);
+			fclose(f);
+			f = NULL;
 		}
 	}
 	else
@@ -2880,12 +3057,24 @@ BuslogicInit(int chip)
 
 		bl->bios_mask = 0;
 	}
-	
+
     timer_add(BuslogicResetPoll,
 	      &BuslogicResetCallback, &BuslogicResetCallback, bl);
     timer_add(BuslogicCommandCallback,
 	      &BuslogicCallback, &BuslogicCallback, bl);
 
+    f = nvrfopen(BuslogicGetNVRFileName(bl), L"wb");
+    if (f)
+    {
+	fread(&(bl->LocalRAM.u8View[64]), 1, 64, f);
+	fclose(f);
+	f = NULL;
+    }
+    else
+    {
+	BuslogicInitializeAutoSCSIRam(bl, 0);
+    }
+
     if (bl->chip == CHIP_BUSLOGIC_PCI) {
 	bl->Card = pci_add(BuslogicPCIRead, BuslogicPCIWrite, bl);
 
@@ -2910,8 +3099,8 @@ BuslogicInit(int chip)
 #endif
 
 	mem_mapping_add(&bl->mmio_mapping, 0xfffd0000, 0x20,
-		        mem_read_null, mem_read_nullw, mem_read_nulll,
-			mem_write_null, mem_write_nullw, mem_write_nulll,
+		        BuslogicMemRead, BuslogicMemReadW, BuslogicMemReadL,
+			BuslogicMemWrite, BuslogicMemWriteW, BuslogicMemWriteL,
 			NULL, MEM_MAPPING_EXTERNAL, bl);
 	mem_mapping_disable(&bl->mmio_mapping);
 #if 0
@@ -2936,7 +3125,7 @@ Buslogic_542B_Init(void)
 
 
 static void *
-Buslogic_958D_Init(void)
+Buslogic_946C_Init(void)
 {
 	return BuslogicInit(CHIP_BUSLOGIC_PCI);
 }
@@ -3046,9 +3235,9 @@ device_t buslogic_device = {
 };
 
 device_t buslogic_pci_device = {
-	"Buslogic BT-958D PCI",
+	"Buslogic BT-946C PCI",
 	0,
-	Buslogic_958D_Init,
+	Buslogic_946C_Init,
 	BuslogicClose,
 	NULL,
 	NULL,

From 2b980aae729905e0594bddc273a37cf981c973e7 Mon Sep 17 00:00:00 2001
From: OBattler <oubattler@gmail.com>
Date: Fri, 25 Aug 2017 23:17:45 +0200
Subject: [PATCH 2/4] Fixed some Buslogic bugs; Implemented the EuroPC JIM chip
 NVR saving/loading correctly.

---
 src/jim.c           | 52 +++++++++++++++++++++++++++++++++++++++------
 src/jim.h           |  1 +
 src/model.c         |  2 +-
 src/nvr.c           |  7 ++++++
 src/scsi_buslogic.c |  4 ++--
 5 files changed, 56 insertions(+), 10 deletions(-)
 create mode 100644 src/jim.h

diff --git a/src/jim.c b/src/jim.c
index 39dc91eb5..3b8465bae 100644
--- a/src/jim.c
+++ b/src/jim.c
@@ -7,7 +7,10 @@
 #include "CPU/cpu.h"
 #include "io.h"
 #include "device.h"
+#include "jim.h"
+#include "mem.h"
 #include "model.h"
+#include "rom.h"
 
 
 uint8_t europcdat[16];
@@ -15,11 +18,43 @@ uint8_t europcdat[16];
 struct 
 {
         uint8_t dat[16];
-        int stat;
-        int addr;
+        uint8_t stat;
+        uint8_t addr;
 } europc_rtc;
 
 
+static uint8_t jim_load_nvr(void)
+{
+	FILE *f;
+
+	f = nvrfopen(L"europc_jim.nvr", L"rb");
+	if (f)
+	{
+		fread(europcdat, 1, 16, f);
+		fread(europc_rtc.dat, 1, 16, f);
+		fclose(f);
+		f = NULL;
+		return 1;
+	}
+	return 0;
+}
+
+
+void jim_save_nvr(void)
+{
+	FILE *f;
+
+	f = nvrfopen(L"europc_jim.nvr", L"wb");
+	if (f)
+	{
+		fwrite(europcdat, 1, 16, f);
+		fwrite(europc_rtc.dat, 1, 16, f);
+		fclose(f);
+		f = NULL;
+	}
+}
+
+
 static void writejim(uint16_t addr, uint8_t val, void *p)
 {
         if ((addr&0xFF0)==0x250) europcdat[addr&0xF]=val;
@@ -73,12 +108,15 @@ void jim_init(void)
 {
         uint8_t viddat;
         memset(europc_rtc.dat,0,16);
-        europc_rtc.dat[0xF]=1;
-        europc_rtc.dat[3]=1;
-        europc_rtc.dat[4]=1;
-        europc_rtc.dat[5]=0x88;
+	if (!jim_load_nvr())
+	{
+	        europc_rtc.dat[0xF]=1;
+        	europc_rtc.dat[3]=1;
+	        europc_rtc.dat[4]=1;
+        	europc_rtc.dat[5]=0x88;
+	}
         if (gfxcard==GFX_CGA || gfxcard == GFX_COLORPLUS) viddat=0x12;
-        else if (gfxcard==GFX_MDA || gfxcard==GFX_HERCULES || gfxcard==GFX_INCOLOR) viddat=3;
+       	else if (gfxcard==GFX_MDA || gfxcard==GFX_HERCULES || gfxcard==GFX_INCOLOR) viddat=3;
         else viddat=0x10;
         europc_rtc.dat[0xB]=viddat;
         europc_rtc.dat[0xD]=viddat; /*Checksum*/
diff --git a/src/jim.h b/src/jim.h
new file mode 100644
index 000000000..d57dc4f0d
--- /dev/null
+++ b/src/jim.h
@@ -0,0 +1 @@
+void jim_save_nvr(void);
diff --git a/src/model.c b/src/model.c
index 83a0adee9..35287ea87 100644
--- a/src/model.c
+++ b/src/model.c
@@ -146,7 +146,7 @@ MODEL models[] =
         {"[8088] Generic XT clone",	ROM_GENXT,		"genxt",		{{"",      cpus_8088},        {"",    NULL},         {"",      NULL},        {"",      NULL},     {"",      NULL}}, 0, 0,							 64,  640,  64,   0,             xt_init, NULL			},
         {"[8088] Juko XT clone",	ROM_JUKOPC,		"jukopc",		{{"",      cpus_8088},        {"",    NULL},         {"",      NULL},        {"",      NULL},     {"",      NULL}}, 0, 0,							 64,  640,  64,   0,             xt_init, NULL			},
         {"[8088] Phoenix XT clone",	ROM_PXXT,		"pxxt",			{{"",      cpus_8088},        {"",    NULL},         {"",      NULL},        {"",      NULL},     {"",      NULL}}, 0, 0,							 64,  640,  64,   0,             xt_init, NULL			},
-        {"[8088] Schneider EuroPC",	ROM_EUROPC,		"europc",		{{"",      cpus_europc},      {"",    NULL},         {"",      NULL},        {"",      NULL},     {"",      NULL}}, 0, 0,							512,  640, 128,  63,         europc_init, NULL			},
+        {"[8088] Schneider EuroPC",	ROM_EUROPC,		"europc",		{{"",      cpus_europc},      {"",    NULL},         {"",      NULL},        {"",      NULL},     {"",      NULL}}, 0, 0,							512,  640, 128,   0,         europc_init, NULL			},
         {"[8088] Tandy 1000",		ROM_TANDY,		"tandy",		{{"",      cpus_8088},        {"",    NULL},         {"",      NULL},        {"",      NULL},     {"",      NULL}}, 1, 0,							128,  640, 128,   0,        tandy1k_init, &tandy1000_device	},
         {"[8088] Tandy 1000 HX",	ROM_TANDY1000HX,	"tandy1000hx",		{{"",      cpus_8088},        {"",    NULL},         {"",      NULL},        {"",      NULL},     {"",      NULL}}, 1, 0,							256,  640, 128,   0,        tandy1k_init, &tandy1000hx_device	},
         {"[8088] VTech Laser Turbo XT",	ROM_LTXT,		"ltxt",			{{"",      cpus_8088},        {"",    NULL},         {"",      NULL},        {"",      NULL},     {"",      NULL}}, 0, 0,							 64, 1152,  64,   0,     xt_laserxt_init, NULL			},
diff --git a/src/nvr.c b/src/nvr.c
index 589d8fa7c..f8b22ef1b 100644
--- a/src/nvr.c
+++ b/src/nvr.c
@@ -25,6 +25,7 @@
 #include "CPU/cpu.h"
 #include "device.h"
 #include "io.h"
+#include "jim.h"
 #include "mem.h"
 #include "model.h"
 #include "nmi.h"
@@ -279,6 +280,12 @@ void savenvr(void)
 	wchar_t *model_name;
 	wchar_t *nvr_name;
 
+	if (romset == ROM_EUROPC)
+	{
+		jim_save_nvr();
+		return;
+	}
+
 	model_name = (wchar_t *) malloc((strlen(model_get_internal_name_ex(oldmodel)) << 1) + 2);
 	mbstowcs(model_name, model_get_internal_name_ex(oldmodel), strlen(model_get_internal_name_ex(oldmodel)) + 1);
 	nvr_name = (wchar_t *) malloc((wcslen(model_name) << 1) + 2 + 8);
diff --git a/src/scsi_buslogic.c b/src/scsi_buslogic.c
index 28bb3f939..5e0735af6 100644
--- a/src/scsi_buslogic.c
+++ b/src/scsi_buslogic.c
@@ -3041,9 +3041,9 @@ BuslogicInit(int chip)
 		{
         		rom_init(&bl->bios, L"roms/scsi/buslogic/428A494G.BIN", 0xd8000, 0x4000, 0x3fff, 0, MEM_MAPPING_EXTERNAL);
 			memset(bl->AutoSCSIROM, 0xff, 32768);
-			f = romfopen(L"roms/scsi/buslogic/AutoSCSI.rom", L"rb");
 		}
 
+		f = romfopen(L"roms/scsi/buslogic/AutoSCSI.rom", L"rb");
 		if (f)
 		{
 			fread(bl->AutoSCSIROM, 1, 32768, f);
@@ -3063,7 +3063,7 @@ BuslogicInit(int chip)
     timer_add(BuslogicCommandCallback,
 	      &BuslogicCallback, &BuslogicCallback, bl);
 
-    f = nvrfopen(BuslogicGetNVRFileName(bl), L"wb");
+    f = nvrfopen(BuslogicGetNVRFileName(bl), L"rb");
     if (f)
     {
 	fread(&(bl->LocalRAM.u8View[64]), 1, 64, f);

From a48ecb45e1ecfd964ede0b90f205dbc9b5ae0ef6 Mon Sep 17 00:00:00 2001
From: OBattler <oubattler@gmail.com>
Date: Sat, 26 Aug 2017 04:38:12 +0200
Subject: [PATCH 3/4] More BT-946C bug fixes and made it use a newer BIOS, and
 AutoSCSI should now work *correctly*.

---
 src/scsi_buslogic.c | 69 +++++++++++++++++++++++++--------------------
 src/scsi_disk.c     | 14 ++++-----
 2 files changed, 45 insertions(+), 38 deletions(-)

diff --git a/src/scsi_buslogic.c b/src/scsi_buslogic.c
index 5e0735af6..5d5cf0b74 100644
--- a/src/scsi_buslogic.c
+++ b/src/scsi_buslogic.c
@@ -39,7 +39,7 @@
 #include "scsi_buslogic.h"
 
 
-#define BUSLOGIC_RESET_DURATION_NS UINT64_C(250000)
+#define BUSLOGIC_RESET_DURATION_US UINT64_C(50000)
 
 
 /*
@@ -148,14 +148,16 @@ typedef struct {
     uint8_t          fInt13Extension :                 1;
     uint8_t          fReserved9 :                      1;
     uint8_t          fCDROMBoot :                      1;
-    unsigned char uReserved10 :                     5;
+    unsigned char uReserved10 :                     2;
+    uint8_t          fMultiBoot :                      1;
+    unsigned char uReserved11 :                     2;
     unsigned char uBootTargetId :                   4;
     unsigned char uBootChannel :                    4;
     uint8_t          fForceBusDeviceScanningOrder :    1;
-    unsigned char uReserved11 :                     7;
+    unsigned char uReserved12 :                     7;
     uint16_t      u16NonTaggedToAlternateLunPermittedMask;
     uint16_t      u16RenegotiateSyncAfterCheckConditionMask;
-    uint8_t       aReserved12[10];
+    uint8_t       aReserved14[10];
     uint8_t       aManufacturingDiagnostic[2];
     uint16_t      u16Checksum;
 } AutoSCSIRam;
@@ -612,11 +614,12 @@ BuslogicInitializeAutoSCSIRam(Buslogic_t *bl, uint8_t safe)
 
 	HALR->structured.autoSCSIData.cbInformation = 64;
 
-	HALR->structured.autoSCSIData.aHostAdaptertype[0] = (bl->chip == CHIP_BUSLOGIC_PCI) ? '9' : '5';
-	HALR->structured.autoSCSIData.aHostAdaptertype[1] = '4';
-	HALR->structured.autoSCSIData.aHostAdaptertype[2] = (bl->chip == CHIP_BUSLOGIC_PCI) ? '6' : '2';
-	HALR->structured.autoSCSIData.aHostAdaptertype[3] = (bl->chip == CHIP_BUSLOGIC_PCI) ? 'C' : 'B';
-	HALR->structured.autoSCSIData.aHostAdaptertype[4] = ' ';
+	HALR->structured.autoSCSIData.aHostAdaptertype[0] = ' ';
+	HALR->structured.autoSCSIData.aHostAdaptertype[1] = (bl->chip == CHIP_BUSLOGIC_PCI) ? '9' : '5';
+	HALR->structured.autoSCSIData.aHostAdaptertype[2] = '4';
+	HALR->structured.autoSCSIData.aHostAdaptertype[3] = (bl->chip == CHIP_BUSLOGIC_PCI) ? '6' : '2';
+	HALR->structured.autoSCSIData.aHostAdaptertype[4] = (bl->chip == CHIP_BUSLOGIC_PCI) ? 'C' : 'B';
+	HALR->structured.autoSCSIData.aHostAdaptertype[5] = ' ';
 
 	HALR->structured.autoSCSIData.fLevelSensitiveInterrupt = (bl->chip == CHIP_BUSLOGIC_PCI) ? 1 : 0;
 	HALR->structured.autoSCSIData.uSystemRAMAreForBIOS = 6;
@@ -672,7 +675,7 @@ BuslogicInitializeAutoSCSIRam(Buslogic_t *bl, uint8_t safe)
 
 	HALR->structured.autoSCSIData.uDMATransferRate = (bl->chip == CHIP_BUSLOGIC_ISA) ? 1 : 0;
 
-	HALR->structured.autoSCSIData.uSCSIId = 15;
+	HALR->structured.autoSCSIData.uSCSIId = 7;
 	HALR->structured.autoSCSIData.uSCSIConfiguration = 0x3F;
 	HALR->structured.autoSCSIData.uBusOnDelay = (bl->chip == CHIP_BUSLOGIC_PCI) ? 0 : 7;
 	HALR->structured.autoSCSIData.uBusOffDelay = (bl->chip == CHIP_BUSLOGIC_PCI) ? 0 : 4;
@@ -693,8 +696,12 @@ BuslogicInitializeAutoSCSIRam(Buslogic_t *bl, uint8_t safe)
 
 	HALR->structured.autoSCSIData.uAutoSCSIMaximumLUN = 7;
 
+	HALR->structured.autoSCSIData.fForceBusDeviceScanningOrder = 1;
+	HALR->structured.autoSCSIData.uReserved12 = 0x7f;
+
 	HALR->structured.autoSCSIData.fInt13Extension = safe ? 0 : 1;
 	HALR->structured.autoSCSIData.fCDROMBoot = safe ? 0 : 1;
+	HALR->structured.autoSCSIData.fMultiBoot = safe ? 0 : 1;
 }
 
 
@@ -749,7 +756,7 @@ BuslogicResetControl(Buslogic_t *bl, uint8_t Reset)
 	bl->Status |= STAT_STST;
 	bl->Status &= ~STAT_IDLE;
     }
-    BuslogicResetCallback = BUSLOGIC_RESET_DURATION_NS * TIMER_USEC;
+    BuslogicResetCallback = BUSLOGIC_RESET_DURATION_US * TIMER_USEC;
 }
 
 
@@ -1994,7 +2001,7 @@ BuslogicWrite(uint16_t Port, uint8_t Val, void *p)
 					for (i=0; i<8; i++) {
 					    bl->DataBuf[i] = 0;
 					    for (j=0; j<8; j++) {
-						if (scsi_device_present(i, j))
+						if (scsi_device_present(i, j) && (i != 7))
 						    bl->DataBuf[i] |= (1 << j);
 					    }
 					}
@@ -2012,8 +2019,7 @@ BuslogicWrite(uint16_t Port, uint8_t Val, void *p)
 						bl->DataBuf[1] = 0;
 					{
 					}
-					/* bl->DataBuf[2] = 7; */	/* HOST ID */
-					bl->DataBuf[2] = 15;	/* HOST ID */
+					bl->DataBuf[2] = 7;	/* HOST ID */
 					bl->DataReplyLeft = 3;
 					break;
 
@@ -2095,7 +2101,6 @@ BuslogicWrite(uint16_t Port, uint8_t Val, void *p)
 						    bl->DataBuf[i-8] |= (1<<j);
 					    }
 					}
-					bl->DataBuf[7] = 0;
 					bl->DataReplyLeft = 8;
 					break;
 
@@ -2104,7 +2109,7 @@ BuslogicWrite(uint16_t Port, uint8_t Val, void *p)
 					uint16_t TargetsPresentMask = 0;
 							
 					for (i=0; i<15; i++) {
-						if (scsi_device_present(i, 0))
+						if (scsi_device_present(i, 0) && (i != 7))
 						    TargetsPresentMask |= (1 << i);
 					}
 					bl->DataBuf[0] = TargetsPresentMask & 0xFF;
@@ -2303,7 +2308,7 @@ BuslogicWrite(uint16_t Port, uint8_t Val, void *p)
 							f = nvrfopen(BuslogicGetNVRFileName(bl), L"wb");
 							if (f)
 							{
-								fwrite(&(bl->LocalRAM.u8View[64]), 1, 64, f);
+								fwrite(&(bl->LocalRAM.structured.autoSCSIData), 1, 64, f);
 								fclose(f);
 								f = NULL;
 							}
@@ -3039,10 +3044,12 @@ BuslogicInit(int chip)
 		}
 		else
 		{
-        		rom_init(&bl->bios, L"roms/scsi/buslogic/428A494G.BIN", 0xd8000, 0x4000, 0x3fff, 0, MEM_MAPPING_EXTERNAL);
-			memset(bl->AutoSCSIROM, 0xff, 32768);
+        		/* rom_init(&bl->bios, L"roms/scsi/buslogic/428A494G.BIN", 0xd8000, 0x4000, 0x3fff, 0, MEM_MAPPING_EXTERNAL); */
+        		/* rom_init(&bl->bios, L"roms/scsi/buslogic/BT9X6C_BIOS.rom", 0xd8000, 0x4000, 0x3fff, 0, MEM_MAPPING_EXTERNAL); */
+        		rom_init(&bl->bios, L"roms/scsi/buslogic/Womper97.rom", 0xd8000, 0x8000, 0x7fff, 0, MEM_MAPPING_EXTERNAL);
 		}
 
+		memset(bl->AutoSCSIROM, 0xff, 32768);
 		f = romfopen(L"roms/scsi/buslogic/AutoSCSI.rom", L"rb");
 		if (f)
 		{
@@ -3063,18 +3070,6 @@ BuslogicInit(int chip)
     timer_add(BuslogicCommandCallback,
 	      &BuslogicCallback, &BuslogicCallback, bl);
 
-    f = nvrfopen(BuslogicGetNVRFileName(bl), L"rb");
-    if (f)
-    {
-	fread(&(bl->LocalRAM.u8View[64]), 1, 64, f);
-	fclose(f);
-	f = NULL;
-    }
-    else
-    {
-	BuslogicInitializeAutoSCSIRam(bl, 0);
-    }
-
     if (bl->chip == CHIP_BUSLOGIC_PCI) {
 	bl->Card = pci_add(BuslogicPCIRead, BuslogicPCIWrite, bl);
 
@@ -3112,6 +3107,18 @@ BuslogicInit(int chip)
 	
     BuslogicResetControl(bl, CTRL_HRST);
     BuslogicInitializeLocalRAM(bl);
+
+    f = nvrfopen(BuslogicGetNVRFileName(bl), L"rb");
+    if (f)
+    {
+	fread(&(bl->LocalRAM.structured.autoSCSIData), 1, 64, f);
+	fclose(f);
+	f = NULL;
+    }
+    else
+    {
+	BuslogicInitializeAutoSCSIRam(bl, 0);
+    }
 	
     return(bl);
 }
diff --git a/src/scsi_disk.c b/src/scsi_disk.c
index 5e75ab49e..1e4d05321 100644
--- a/src/scsi_disk.c
+++ b/src/scsi_disk.c
@@ -307,13 +307,13 @@ int scsi_hd_read_capacity(uint8_t id, uint8_t *cdb, uint8_t *buffer, uint32_t *l
 	buffer[3] = size & 0xff;
 	buffer[6] = 2;				/* 512 = 0x0200 */
 	*len = 8;
-	
-	pclog("Read Capacity\n");
-	pclog("buffer[0]=%x\n", buffer[0]);
-	pclog("buffer[1]=%x\n", buffer[1]);
-	pclog("buffer[2]=%x\n", buffer[2]);
-	pclog("buffer[3]=%x\n", buffer[3]);
-	
+
+	scsi_hd_log("Read Capacity\n");
+	scsi_hd_log("buffer[0]=%x\n", buffer[0]);
+	scsi_hd_log("buffer[1]=%x\n", buffer[1]);
+	scsi_hd_log("buffer[2]=%x\n", buffer[2]);
+	scsi_hd_log("buffer[3]=%x\n", buffer[3]);
+
 	return 1;
 }
 

From c9267f2380c74fb3342acc5e6331da77a4ef6461 Mon Sep 17 00:00:00 2001
From: Melissa Goad <alegend45@gmail.com>
Date: Fri, 25 Aug 2017 22:04:47 -0500
Subject: [PATCH 4/4] ROM dir fixes

---
 roms/430vx/roms.txt        |   1 -
 roms/acer386/roms.txt      |   1 -
 roms/ami286/roms.txt       |   1 -
 roms/ami386/roms.txt       |   1 -
 roms/ami486/roms.txt       |   1 -
 roms/cmdpc30/roms.txt      |   1 -
 roms/dells200/roms.txt     |   1 -
 roms/dtk/roms.txt          |   1 -
 roms/endeavor/roms.txt     |   1 -
 roms/europc/roms.txt       |   1 -
 roms/genxt/roms.txt        |   1 -
 roms/hot-433/roms.txt      |   1 -
 roms/ibmat/roms.txt        |   1 -
 roms/ibmpc/roms.txt        |   1 -
 roms/ibmxt/roms.txt        |   1 -
 roms/mach64gx/roms.txt     |   1 -
 roms/mda.rom               | Bin 8192 -> 0 bytes
 roms/megapc/roms.txt       |   1 -
 roms/olivetti_m24/roms.txt |   1 -
 roms/oti067/roms.txt       |   1 -
 roms/pc1512/roms.txt       |   1 -
 roms/pc1640/roms.txt       |   1 -
 roms/pc200/roms.txt        |   1 -
 roms/pc2086/roms.txt       |   1 -
 roms/pc3086/roms.txt       |   1 -
 roms/revenge/roms.txt      |   1 -
 roms/sis496/roms.txt       |   1 -
 roms/tandy/roms.txt        |   1 -
 roms/win486/roms.txt       |   1 -
 29 files changed, 28 deletions(-)
 delete mode 100644 roms/430vx/roms.txt
 delete mode 100644 roms/acer386/roms.txt
 delete mode 100644 roms/ami286/roms.txt
 delete mode 100644 roms/ami386/roms.txt
 delete mode 100644 roms/ami486/roms.txt
 delete mode 100644 roms/cmdpc30/roms.txt
 delete mode 100644 roms/dells200/roms.txt
 delete mode 100644 roms/dtk/roms.txt
 delete mode 100644 roms/endeavor/roms.txt
 delete mode 100644 roms/europc/roms.txt
 delete mode 100644 roms/genxt/roms.txt
 delete mode 100644 roms/hot-433/roms.txt
 delete mode 100644 roms/ibmat/roms.txt
 delete mode 100644 roms/ibmpc/roms.txt
 delete mode 100644 roms/ibmxt/roms.txt
 delete mode 100644 roms/mach64gx/roms.txt
 delete mode 100644 roms/mda.rom
 delete mode 100644 roms/megapc/roms.txt
 delete mode 100644 roms/olivetti_m24/roms.txt
 delete mode 100644 roms/oti067/roms.txt
 delete mode 100644 roms/pc1512/roms.txt
 delete mode 100644 roms/pc1640/roms.txt
 delete mode 100644 roms/pc200/roms.txt
 delete mode 100644 roms/pc2086/roms.txt
 delete mode 100644 roms/pc3086/roms.txt
 delete mode 100644 roms/revenge/roms.txt
 delete mode 100644 roms/sis496/roms.txt
 delete mode 100644 roms/tandy/roms.txt
 delete mode 100644 roms/win486/roms.txt

diff --git a/roms/430vx/roms.txt b/roms/430vx/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/430vx/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/acer386/roms.txt b/roms/acer386/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/acer386/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/ami286/roms.txt b/roms/ami286/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/ami286/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/ami386/roms.txt b/roms/ami386/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/ami386/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/ami486/roms.txt b/roms/ami486/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/ami486/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/cmdpc30/roms.txt b/roms/cmdpc30/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/cmdpc30/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/dells200/roms.txt b/roms/dells200/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/dells200/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/dtk/roms.txt b/roms/dtk/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/dtk/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/endeavor/roms.txt b/roms/endeavor/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/endeavor/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/europc/roms.txt b/roms/europc/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/europc/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/genxt/roms.txt b/roms/genxt/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/genxt/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/hot-433/roms.txt b/roms/hot-433/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/hot-433/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/ibmat/roms.txt b/roms/ibmat/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/ibmat/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/ibmpc/roms.txt b/roms/ibmpc/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/ibmpc/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/ibmxt/roms.txt b/roms/ibmxt/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/ibmxt/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/mach64gx/roms.txt b/roms/mach64gx/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/mach64gx/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/mda.rom b/roms/mda.rom
deleted file mode 100644
index 1b92f042a036027dba033e622a3b2fe05b4c26be..0000000000000000000000000000000000000000
GIT binary patch
literal 0
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diff --git a/roms/megapc/roms.txt b/roms/megapc/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/megapc/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/olivetti_m24/roms.txt b/roms/olivetti_m24/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/olivetti_m24/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/oti067/roms.txt b/roms/oti067/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/oti067/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/pc1512/roms.txt b/roms/pc1512/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/pc1512/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/pc1640/roms.txt b/roms/pc1640/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/pc1640/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/pc200/roms.txt b/roms/pc200/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/pc200/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/pc2086/roms.txt b/roms/pc2086/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/pc2086/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/pc3086/roms.txt b/roms/pc3086/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/pc3086/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/revenge/roms.txt b/roms/revenge/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/revenge/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/sis496/roms.txt b/roms/sis496/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/sis496/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/tandy/roms.txt b/roms/tandy/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/tandy/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file
diff --git a/roms/win486/roms.txt b/roms/win486/roms.txt
deleted file mode 100644
index 4e9bbdc7d..000000000
--- a/roms/win486/roms.txt
+++ /dev/null
@@ -1 +0,0 @@
-This directory needs to contain some ROM files.
\ No newline at end of file