Generic MO Device ID changes and implemented the VPCEXT instructions (on the Virtual PC 2007 VM only).

src/codegen/codegen_x86.c

@@ -1651,7 +1651,7 @@ int opcode_0f_modrm[256] =
         1, 1, 1, 1,  0, 0, 0, 0,  0, 0, 0, 0,  0, 1, 0, 1, /*00*/
         0, 0, 0, 0,  0, 0, 0, 0,  1, 1, 1, 1,  1, 1, 1, 1, /*10*/
         1, 1, 1, 1,  1, 1, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0, /*20*/
-        0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0, /*30*/
+        0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 1, /*30*/
 
         1, 1, 1, 1,  1, 1, 1, 1,  1, 1, 1, 1,  1, 1, 1, 1, /*40*/
         0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0, /*50*/

src/cpu/386_ops.h

@@ -206,6 +206,56 @@ extern void	x386_dynarec_log(const char *fmt, ...);
 #include "x86_ops_3dnow.h"
 
 
+static int opVPCEXT(uint32_t fetchdat)
+{
+	uint8_t b1, b2;
+
+	if (!is_vpc)
+		return ILLEGAL(fetchdat);
+
+	cpu_state.pc += 2;
+
+	b1 = fetchdat & 0xff;
+	b2 = (fetchdat >> 8) & 0xff;
+
+	ILLEGAL_ON(CPL > 0);
+
+	CLOCK_CYCLES(1);
+
+	if ((b1 == 0x07) && (b2 == 0x0b)) {
+		EBX = 0x00000000;
+		EDX = 0x00000003;
+	} else if ((b1 == 0x03) && (b2 == 0x00)) {
+		/* TODO: Return host BCD time in DX/CX/AX */
+		EDX = 0x00000000;
+		ECX = 0x00000000;
+		EAX = 0x00000000;
+	} else if ((b1 == 0x03) && (b2 == 0x01)) {
+		/* TODO: Return host BCD date in DX/CX/AX */
+		EDX = 0x00000001;
+		ECX = 0x00000001;
+		EAX = 0x00001980;
+	} else if ((b1 == 0x0a) && (b2 == 0x00)) {
+		EAX = mem_size;
+	} else if ((b1 == 0x11) && (b2 == 0x00))
+		;	/* Do nothing */
+	else if ((b1 == 0x11) && (b2 == 0x01)) {
+		EAX = 0x00000000;
+		cpu_state.flags &= ~(Z_FLAG);
+	} else if ((b1 == 0x11) && (b2 == 0x02))
+		;	/* Do nothing */
+	else {
+		cpu_state.pc = cpu_state.oldpc;
+
+		pclog("Illegal VPCEXT %08X (%02X %02X)\n", fetchdat, b1, b2);
+		x86illegal();
+		return 0;
+	}
+
+	return 1;
+}
+
+
 static int op0F_w_a16(uint32_t fetchdat)
 {
         int opcode = fetchdat & 0xff;
@@ -1439,7 +1489,7 @@ const OpFn OP_TABLE(pentium2d_0f)[1024] =
 /*00*/  op0F00_a16,     op0F01_w_a16,   opLAR_w_a16,    opLSL_w_a16,    ILLEGAL,        ILLEGAL,        opCLTS,         ILLEGAL,        opINVD,         opWBINVD,       ILLEGAL,        ILLEGAL,        ILLEGAL,        opNOP,          ILLEGAL,        ILLEGAL,
 /*10*/  ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        opHINT_NOP_a16, opHINT_NOP_a16, opHINT_NOP_a16, opHINT_NOP_a16, opHINT_NOP_a16, opHINT_NOP_a16, opHINT_NOP_a16, opHINT_NOP_a16,
 /*20*/  opMOV_r_CRx_a16,opMOV_r_DRx_a16,opMOV_CRx_r_a16,opMOV_DRx_r_a16,opMOV_r_TRx_a16,ILLEGAL,        opMOV_TRx_r_a16,ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,
-/*30*/  opWRMSR,        opRDTSC,        opRDMSR,        opRDPMC,        opSYSENTER,     opSYSEXIT,      ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,
+/*30*/  opWRMSR,        opRDTSC,        opRDMSR,        opRDPMC,        opSYSENTER,     opSYSEXIT,      ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        opVPCEXT,
 
 /*40*/  opCMOVO_w_a16,  opCMOVNO_w_a16, opCMOVB_w_a16,  opCMOVNB_w_a16, opCMOVE_w_a16,  opCMOVNE_w_a16, opCMOVBE_w_a16, opCMOVNBE_w_a16,opCMOVS_w_a16,  opCMOVNS_w_a16, opCMOVP_w_a16,  opCMOVNP_w_a16, opCMOVL_w_a16,  opCMOVNL_w_a16, opCMOVLE_w_a16, opCMOVNLE_w_a16,
 /*50*/  ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,
@@ -1461,7 +1511,7 @@ const OpFn OP_TABLE(pentium2d_0f)[1024] =
 /*00*/  op0F00_a16,     op0F01_l_a16,   opLAR_l_a16,    opLSL_l_a16,    ILLEGAL,        ILLEGAL,        opCLTS,         ILLEGAL,        opINVD,         opWBINVD,       ILLEGAL,        ILLEGAL,        ILLEGAL,        opNOP,          ILLEGAL,        ILLEGAL,
 /*10*/  ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        opHINT_NOP_a16, opHINT_NOP_a16, opHINT_NOP_a16, opHINT_NOP_a16, opHINT_NOP_a16, opHINT_NOP_a16, opHINT_NOP_a16, opHINT_NOP_a16,
 /*20*/  opMOV_r_CRx_a16,opMOV_r_DRx_a16,opMOV_CRx_r_a16,opMOV_DRx_r_a16,opMOV_r_TRx_a16,ILLEGAL,        opMOV_TRx_r_a16,ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,
-/*30*/  opWRMSR,        opRDTSC,        opRDMSR,        opRDPMC,        opSYSENTER,     opSYSEXIT,      ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,
+/*30*/  opWRMSR,        opRDTSC,        opRDMSR,        opRDPMC,        opSYSENTER,     opSYSEXIT,      ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        opVPCEXT,
 
 /*40*/  opCMOVO_l_a16,  opCMOVNO_l_a16, opCMOVB_l_a16,  opCMOVNB_l_a16, opCMOVE_l_a16,  opCMOVNE_l_a16, opCMOVBE_l_a16, opCMOVNBE_l_a16,opCMOVS_l_a16,  opCMOVNS_l_a16, opCMOVP_l_a16,  opCMOVNP_l_a16, opCMOVL_l_a16,  opCMOVNL_l_a16, opCMOVLE_l_a16, opCMOVNLE_l_a16,
 /*50*/  ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,
@@ -1483,7 +1533,7 @@ const OpFn OP_TABLE(pentium2d_0f)[1024] =
 /*00*/  op0F00_a32,     op0F01_w_a32,   opLAR_w_a32,    opLSL_w_a32,    ILLEGAL,        ILLEGAL,        opCLTS,         ILLEGAL,        opINVD,         opWBINVD,       ILLEGAL,        ILLEGAL,        ILLEGAL,        opNOP,          ILLEGAL,        ILLEGAL,
 /*10*/  ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        opHINT_NOP_a32, opHINT_NOP_a32, opHINT_NOP_a32, opHINT_NOP_a32, opHINT_NOP_a32, opHINT_NOP_a32, opHINT_NOP_a32, opHINT_NOP_a32,
 /*20*/  opMOV_r_CRx_a32,opMOV_r_DRx_a32,opMOV_CRx_r_a32,opMOV_DRx_r_a32,opMOV_r_TRx_a32,ILLEGAL,        opMOV_TRx_r_a32,ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,
-/*30*/  opWRMSR,        opRDTSC,        opRDMSR,        opRDPMC,        opSYSENTER,     opSYSEXIT,      ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,
+/*30*/  opWRMSR,        opRDTSC,        opRDMSR,        opRDPMC,        opSYSENTER,     opSYSEXIT,      ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        opVPCEXT,
 
 /*40*/  opCMOVO_w_a32,  opCMOVNO_w_a32, opCMOVB_w_a32,  opCMOVNB_w_a32, opCMOVE_w_a32,  opCMOVNE_w_a32, opCMOVBE_w_a32, opCMOVNBE_w_a32,opCMOVS_w_a32,  opCMOVNS_w_a32, opCMOVP_w_a32,  opCMOVNP_w_a32, opCMOVL_w_a32,  opCMOVNL_w_a32, opCMOVLE_w_a32, opCMOVNLE_w_a32,
 /*50*/  ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,
@@ -1505,7 +1555,7 @@ const OpFn OP_TABLE(pentium2d_0f)[1024] =
 /*00*/  op0F00_a32,     op0F01_l_a32,   opLAR_l_a32,    opLSL_l_a32,    ILLEGAL,        ILLEGAL,        opCLTS,         ILLEGAL,        opINVD,         opWBINVD,       ILLEGAL,        ILLEGAL,        ILLEGAL,        opNOP,          ILLEGAL,        ILLEGAL,
 /*10*/  ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        opHINT_NOP_a32, opHINT_NOP_a32, opHINT_NOP_a32, opHINT_NOP_a32, opHINT_NOP_a32, opHINT_NOP_a32, opHINT_NOP_a32, opHINT_NOP_a32,
 /*20*/  opMOV_r_CRx_a32,opMOV_r_DRx_a32,opMOV_CRx_r_a32,opMOV_DRx_r_a32,opMOV_r_TRx_a32,ILLEGAL,        opMOV_TRx_r_a32,ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,
-/*30*/  opWRMSR,        opRDTSC,        opRDMSR,        opRDPMC,        opSYSENTER,     opSYSEXIT,      ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,
+/*30*/  opWRMSR,        opRDTSC,        opRDMSR,        opRDPMC,        opSYSENTER,     opSYSEXIT,      ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        opVPCEXT,
 
 /*40*/  opCMOVO_l_a32,  opCMOVNO_l_a32, opCMOVB_l_a32,  opCMOVNB_l_a32, opCMOVE_l_a32,  opCMOVNE_l_a32, opCMOVBE_l_a32, opCMOVNBE_l_a32,opCMOVS_l_a32,  opCMOVNS_l_a32, opCMOVP_l_a32,  opCMOVNP_l_a32, opCMOVL_l_a32,  opCMOVNL_l_a32, opCMOVLE_l_a32, opCMOVNLE_l_a32,
 /*50*/  ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,        ILLEGAL,

src/cpu/cpu.c

@@ -157,6 +157,7 @@ int		cpu_cache_int_enabled, cpu_cache_ext_enabled;
 int		cpu_pci_speed, cpu_alt_reset;
 uint16_t	cpu_fast_off_count, cpu_fast_off_val;
 uint32_t	cpu_fast_off_flags;
+int		is_vpc;
 
 uint32_t cpu_features;
 

src/cpu/cpu.h

@@ -174,6 +174,7 @@ extern CPU	cpus_Cyrix3[];
 extern CPU	cpus_PentiumPro[];
 extern CPU	cpus_PentiumII66[];
 extern CPU	cpus_PentiumII[];
+extern CPU	cpus_PentiumIID[];
 extern CPU	cpus_Xeon[];
 extern CPU	cpus_Celeron[];
 
@@ -487,7 +488,7 @@ extern uint32_t	old_rammask;
 #ifdef USE_ACYCS
 extern int	acycs;
 #endif
-extern int	pic_pending;
+extern int	pic_pending, is_vpc;
 
 extern uint16_t	cpu_fast_off_count, cpu_fast_off_val;
 extern uint32_t	cpu_fast_off_flags;

src/cpu/cpu_table.c

@@ -782,7 +782,6 @@ CPU cpus_PentiumII[] = {
     {"Pentium II Deschutes 400",    CPU_PENTIUM2D,  fpus_internal, 400000000, 4.0,  0x652,  0x652, 0, CPU_SUPPORTS_DYNAREC | CPU_REQUIRES_DYNAREC, 36,36,12,12, 48},
     {"Pentium II Deschutes 450",    CPU_PENTIUM2D,  fpus_internal, 450000000, 4.5,  0x652,  0x652, 0, CPU_SUPPORTS_DYNAREC | CPU_REQUIRES_DYNAREC, 41,41,14,14, 54},
     {"",                                       -1,          0, 0,        0,      0, 0, 0,  0, 0, 0, 0,  0}
-
 };
 
 CPU cpus_Xeon[] = {
@@ -815,6 +814,21 @@ CPU cpus_Celeron[] = {
     {"",                                       -1,          0,   0,      0,      0, 0, 0,  0, 0, 0, 0,  0}	
 };
 
+CPU cpus_PentiumIID[] = {
+    /*Intel Pentium II Deschutes*/
+    {"Pentium II Deschutes 50",     CPU_PENTIUM2D,  fpus_internal,  50000000, 1.0,  0x652,  0x652, 0, CPU_SUPPORTS_DYNAREC | CPU_REQUIRES_DYNAREC,  4, 4, 3, 3, 6},
+    {"Pentium II Deschutes 60",     CPU_PENTIUM2D,  fpus_internal,  60000000, 1.0,  0x652,  0x652, 0, CPU_SUPPORTS_DYNAREC | CPU_REQUIRES_DYNAREC,  6, 6, 3, 3, 7},
+    {"Pentium II Deschutes 66",     CPU_PENTIUM2D,  fpus_internal,  66666666, 1.0,  0x652,  0x652, 0, CPU_SUPPORTS_DYNAREC | CPU_REQUIRES_DYNAREC,  6, 6, 3, 3, 8},
+    {"Pentium II Deschutes 75",     CPU_PENTIUM2D,  fpus_internal,  75000000, 1.5,  0x652,  0x652, 0, CPU_SUPPORTS_DYNAREC | CPU_REQUIRES_DYNAREC,  7, 7, 4, 4, 9},
+    {"Pentium II Deschutes 266",    CPU_PENTIUM2D,  fpus_internal, 266666666, 4.0,  0x652,  0x652, 0, CPU_SUPPORTS_DYNAREC | CPU_REQUIRES_DYNAREC, 24,24,12,12, 32},
+    {"Pentium II Deschutes 300/66", CPU_PENTIUM2D,  fpus_internal, 300000000, 4.5,  0x651,  0x651, 0, CPU_SUPPORTS_DYNAREC | CPU_REQUIRES_DYNAREC, 25,25,12,12, 36},
+    {"Pentium II Deschutes 333",    CPU_PENTIUM2D,  fpus_internal, 333333333, 5.0,  0x651,  0x651, 0, CPU_SUPPORTS_DYNAREC | CPU_REQUIRES_DYNAREC, 27,27,13,13, 40},
+    {"Pentium II Deschutes 350",    CPU_PENTIUM2D,  fpus_internal, 350000000, 3.5,  0x651,  0x651, 0, CPU_SUPPORTS_DYNAREC | CPU_REQUIRES_DYNAREC, 32,32,11,11, 42},
+    {"Pentium II Deschutes 400",    CPU_PENTIUM2D,  fpus_internal, 400000000, 4.0,  0x652,  0x652, 0, CPU_SUPPORTS_DYNAREC | CPU_REQUIRES_DYNAREC, 36,36,12,12, 48},
+    {"Pentium II Deschutes 450",    CPU_PENTIUM2D,  fpus_internal, 450000000, 4.5,  0x652,  0x652, 0, CPU_SUPPORTS_DYNAREC | CPU_REQUIRES_DYNAREC, 41,41,14,14, 54},
+    {"",                                       -1,          0, 0,        0,      0, 0, 0,  0, 0, 0, 0,  0}
+};
+
 CPU cpus_Cyrix3[] = {
     /*VIA Cyrix III (Samuel)*/
     {"Cyrix III 66",  CPU_CYRIX3S, fpus_internal,  66666666, 1.0,   0x660, 0x660, 0, CPU_SUPPORTS_DYNAREC,  6,  6,  3,  3,  8}, /*66 MHz version*/

src/disk/mo.c

@@ -36,6 +36,7 @@
 #include <86box/hdc.h>
 #include <86box/hdc_ide.h>
 #include <86box/mo.h>
+#include <86box/version.h>
 
 #ifdef _WIN32
 #include <windows.h>
@@ -1324,6 +1325,7 @@ mo_command(scsi_common_t *sc, uint8_t *cdb)
     int32_t alloc_length;
     int size_idx, idx = 0;
     unsigned preamble_len;
+    char device_identify[9] = { '8', '6', 'B', '_', 'M', 'O', '0', '0', 0 };
     int32_t blen = 0;
     int32_t *BufLen;
     uint32_t previous_pos = 0;
@@ -1339,6 +1341,8 @@ mo_command(scsi_common_t *sc, uint8_t *cdb)
     dev->packet_len = 0;
     dev->request_pos = 0;
 
+    device_identify[7] = dev->id + 0x30;
+
     memcpy(dev->current_cdb, cdb, 12);
 
     if (cdb[0] != 0) {
@@ -1725,9 +1729,15 @@ mo_command(scsi_common_t *sc, uint8_t *cdb)
 			}
 			dev->buffer[7] |= 0x02;
 
-			ide_padstr8(dev->buffer + 8, 8, mo_drive_types[dev->drv->type].vendor); /* Vendor */
+			if (dev->drv->type > 0) {
-			ide_padstr8(dev->buffer + 16, 16, mo_drive_types[dev->drv->type].model); /* Product */
+				ide_padstr8(dev->buffer + 8, 8, mo_drive_types[dev->drv->type].vendor); /* Vendor */
-			ide_padstr8(dev->buffer + 32, 4, mo_drive_types[dev->drv->type].revision); /* Revision */
+				ide_padstr8(dev->buffer + 16, 16, mo_drive_types[dev->drv->type].model); /* Product */
+				ide_padstr8(dev->buffer + 32, 4, mo_drive_types[dev->drv->type].revision); /* Revision */
+			} else {
+				ide_padstr8(dev->buffer + 8, 8, EMU_NAME); /* Vendor */
+				ide_padstr8(dev->buffer + 16, 16, device_identify); /* Product */
+				ide_padstr8(dev->buffer + 32, 4, EMU_VERSION); /* Revision */
+			}
 			idx = 36;
 
 			if (max_len == 96) {
@@ -2038,13 +2048,20 @@ static void
 mo_do_identify(ide_t *ide, int ide_has_dma)
 {
     char model[40];
-    mo_t* mo = (mo_t*)ide->sc;
+
+    mo_t* mo = (mo_t*) ide->sc;
 
     memset(model, 0, 40);
-    snprintf(model, 40, "%s %s", mo_drive_types[mo_drives[mo->id].type].vendor, mo_drive_types[mo_drives[mo->id].type].model);
 
-    ide_padstr((char *) (ide->buffer + 23), mo_drive_types[mo_drives[mo->id].type].revision, 8); /* Firmware */
+    if (mo_drives[mo->id].type > 0) {
-    ide_padstr((char *) (ide->buffer + 27), model, 40); /* Model */
+    	snprintf(model, 40, "%s %s", mo_drive_types[mo_drives[mo->id].type].vendor, mo_drive_types[mo_drives[mo->id].type].model);
+	ide_padstr((char *) (ide->buffer + 23), mo_drive_types[mo_drives[mo->id].type].revision, 8); /* Firmware */
+	ide_padstr((char *) (ide->buffer + 27), model, 40); /* Model */
+    } else {
+    	snprintf(model, 40, "%s %s%02i", EMU_NAME, "86B_MO", mo->id);
+	ide_padstr((char *) (ide->buffer + 23), EMU_VERSION, 8); /* Firmware */
+	ide_padstr((char *) (ide->buffer + 27), model, 40); /* Model */
+    }
 
     if (ide_has_dma) {
 	ide->buffer[80] = 0x30; /*Supported ATA versions : ATA/ATAPI-4 ATA/ATAPI-5*/

src/machine/m_at_slot1.c

@@ -543,6 +543,7 @@ machine_at_vpc2007_init(const machine_t *model)
 	return ret;
 
     machine_at_common_init_ex(model, 2);
+    is_vpc = 1;
 
     pci_init(PCI_CONFIG_TYPE_1);
     pci_register_slot(0x00, PCI_CARD_NORTHBRIDGE, 0, 0, 0, 0);

src/machine/machine.c

@@ -73,6 +73,8 @@ machine_init_ex(int m)
     if (!bios_only) {
 	machine_log("Initializing as \"%s\"\n", machine_getname_ex(m));
 
+	is_vpc = 0;
+
 	/* Set up the architecture flags. */
 	AT = IS_ARCH(machine, MACHINE_AT);
 	PCI = IS_ARCH(machine, MACHINE_PCI);

src/machine/machine_table.c

@@ -356,7 +356,7 @@ const machine_t machines[] = {
     { "[i440BX] Tyan Tsunami ATX",		"tsunamiatx",		MACHINE_TYPE_SLOT1,		{{"Intel", cpus_PentiumII},   {"Intel/PGA370", cpus_Celeron},{"",      NULL},     {"",      NULL},{"",      NULL}}, MACHINE_PCI | MACHINE_ISA | MACHINE_AT | MACHINE_PS2 | MACHINE_HDC | MACHINE_SOUND,	 		  8, 1024,   8, 255,	   machine_at_tsunamiatx_init, at_tsunamiatx_get_device	},
     { "[i440BX] SuperMicro Super P6SBA",	"p6sba",		MACHINE_TYPE_SLOT1,		{{"Intel", cpus_PentiumII},   {"Intel/PGA370", cpus_Celeron},{"",      NULL},     {"",      NULL},{"",      NULL}}, MACHINE_PCI | MACHINE_ISA | MACHINE_AT | MACHINE_PS2 | MACHINE_HDC,			  		  8,  768,   8, 255,	        machine_at_p6sba_init, NULL			},
 #if defined(DEV_BRANCH) && defined(USE_VIRTUALPC)
-    { "[i440BX] Microsoft Virtual PC 2007",	"vpc2007",		MACHINE_TYPE_SLOT1,		{{"Intel", cpus_PentiumII},   {"Intel/PGA370", cpus_Celeron},{"",      NULL},     {"",      NULL},{"",      NULL}}, MACHINE_PCI | MACHINE_ISA | MACHINE_AT | MACHINE_PS2 | MACHINE_HDC,			  		  8, 1024,   8, 255,	      machine_at_vpc2007_init, NULL			},
+    { "[i440BX] Microsoft Virtual PC 2007",	"vpc2007",		MACHINE_TYPE_SLOT1,		{{"Intel", cpus_PentiumIID},  {"Intel/PGA370", cpus_Celeron},{"",      NULL},     {"",      NULL},{"",      NULL}}, MACHINE_PCI | MACHINE_ISA | MACHINE_AT | MACHINE_PS2 | MACHINE_HDC,			  		  8, 1024,   8, 255,	      machine_at_vpc2007_init, NULL			},
 #endif
 
     /* Slot 2 machines(Including Slot 1/2 Hybrids) */