sync with dosbox svn

acinclude.m4

@@ -344,8 +344,10 @@ AH_BOTTOM([#if C_HAS_ATTRIBUTE
 
 AH_BOTTOM([#if C_HAS_BUILTIN_EXPECT
 #define GCC_UNLIKELY(x) __builtin_expect((x),0)
+#define GCC_LIKELY(x) __builtin_expect((x),1)
 #else
 #define GCC_UNLIKELY(x) (x)
+#define GCC_LIKELY(x) (x)
 #endif])
 
 AH_BOTTOM([

include/shell.h

@@ -44,7 +44,7 @@ class DOS_Shell;
 
 class BatchFile {
 public:
-	BatchFile(DOS_Shell * host,char const* const name, char const * const cmd_line);
+	BatchFile(DOS_Shell * host,char const* const resolved_name,char const* const entered_name, char const * const cmd_line);
 	virtual ~BatchFile();
 	virtual bool ReadLine(char * line);
 	bool Goto(char * where);

src/cpu/cpu.cpp

@@ -53,7 +53,7 @@ CPUBlock cpu;
 Segments Segs;
 
 Bit32s CPU_Cycles = 0;
-Bit32s CPU_CycleLeft = 0;
+Bit32s CPU_CycleLeft = 3000;
 Bit32s CPU_CycleMax = 3000;
 Bit32s CPU_OldCycleMax = 3000;
 Bit32s CPU_CyclePercUsed = 100;
@@ -2226,7 +2226,7 @@ public:
 	bool Change_Config(Section* newconfig){
 		Section_prop * section=static_cast<Section_prop *>(newconfig);
 		CPU_AutoDetermineMode=CPU_AUTODETERMINE_NONE;
-		CPU_CycleLeft=0;//needed ?
+		//CPU_CycleLeft=0;//needed ?
 		CPU_Cycles=0;
 		CPU_SkipCycleAutoAdjust=false;
 

src/dos/dos.cpp

@@ -816,7 +816,11 @@ static Bitu DOS_21Handler(void) {
 		break;
 	case 0x59:					/* Get Extended error information */
 		reg_ax=dos.errorcode;
-		reg_bh=0;	//Unkown error class
+		if (dos.errorcode==DOSERR_FILE_NOT_FOUND || dos.errorcode==DOSERR_PATH_NOT_FOUND) {
+			reg_bh=8;	//Not Found error class (Road Hog)
+		} else {
+			reg_bh=0;	//Unspecified error class
+		}
 		reg_bl=1;	//Retry retry retry
 		reg_ch=0;	//Unkown error locus
 		break;

src/hardware/cmos.cpp

@@ -68,7 +68,8 @@ static void cmos_checktimer(void) {
 	LOG(LOG_PIT,LOG_NORMAL)("RTC Timer at %.2f hz",1000.0/cmos.timer.delay);
 //	PIC_AddEvent(cmos_timerevent,cmos.timer.delay);
 	/* A rtc is always running */
-	PIC_AddEvent(cmos_timerevent,(double)cmos.timer.delay-fmod(PIC_FullIndex(),(double)cmos.timer.delay)); //Should be more like a real pc. Check
+	double remd=fmod(PIC_FullIndex(),(double)cmos.timer.delay);
+	PIC_AddEvent(cmos_timerevent,(float)((double)cmos.timer.delay-remd)); //Should be more like a real pc. Check
 //	status reg A reading with this (and with other delays actually)
 }
 

src/hardware/dbopl.cpp

@@ -401,9 +401,9 @@ Bits Operator::TemplateVolume(  ) {
 		break;
 	case DECAY:
 		vol += RateForward( decayAdd );
-		if ( vol >= sustainLevel ) {
+		if ( GCC_UNLIKELY(vol >= sustainLevel) ) {
 			//Check if we didn't overshoot max attenuation, then just go off
-			if ( vol >= ENV_MAX ) {
+			if ( GCC_UNLIKELY(vol >= ENV_MAX) ) {
 				volume = ENV_MAX;
 				SetState( OFF );
 				return ENV_MAX;
@@ -420,7 +420,7 @@ Bits Operator::TemplateVolume(  ) {
 		//In sustain phase, but not sustaining, do regular release
 	case RELEASE: 
 		vol += RateForward( releaseAdd );;
-		if ( vol >= ENV_MAX ) {
+		if ( GCC_UNLIKELY(vol >= ENV_MAX) ) {
 			volume = ENV_MAX;
 			SetState( OFF );
 			return ENV_MAX;
@@ -1260,7 +1260,7 @@ void Chip::Setup( Bit32u rate ) {
 				count += guessAdd;
 				Bit32s change = count >> RATE_SH;
 				count &= RATE_MASK;
-				if ( change ) { 
+				if ( GCC_UNLIKELY(change) ) { // less than 1 % 
 					volume += ( ~volume * change ) >> 3;
 				}
 				samples++;
@@ -1496,7 +1496,7 @@ void Handler::WriteReg( Bit32u addr, Bit8u val ) {
 
 void Handler::Generate( MixerChannel* chan, Bitu samples ) {
 	Bit32s buffer[ 512 * 2 ];
-	if ( samples > 512 )
+	if ( GCC_UNLIKELY(samples > 512) )
 		samples = 512;
 	if ( !chip.opl3Active ) {
 		chip.GenerateBlock2( samples, buffer );

src/hardware/opl.cpp

@@ -65,7 +65,7 @@ static const fltype frqmul_tab[16] = {
 	0.5,1,2,3,4,5,6,7,8,9,10,10,12,12,15,15
 };
 // calculated frequency multiplication values (depend on sampling rate)
-static float frqmul[16];
+static fltype frqmul[16];
 
 // key scale levels
 static Bit8u kslev[8][16];

src/hardware/vga_tseng.cpp

@@ -357,9 +357,10 @@ void FinishSetMode_ET4K(Bitu crtc_base, VGA_ModeExtraData* modeData) {
 		Bitu best = 1;
 		Bits dist = 100000000;
 		for (Bitu i=0; i<16; i++) {
-			if (abs(target-et4k.clockFreq[i]) < dist) {
+			Bits cdiff=abs((Bits)(target-et4k.clockFreq[i]));
+			if (cdiff < dist) {
 				best = i;
-				dist = abs(target-et4k.clockFreq[i]);
+				dist = cdiff;
 			}
 		}
 		set_clock_index_et4k(best);
@@ -718,9 +719,10 @@ void FinishSetMode_ET3K(Bitu crtc_base, VGA_ModeExtraData* modeData) {
 		Bitu best = 1;
 		Bits dist = 100000000;
 		for (Bitu i=0; i<8; i++) {
-			if (abs(target-et3k.clockFreq[i]) < dist) {
+			Bits cdiff = abs((Bits)(target-et3k.clockFreq[i]));
+			if (cdiff < dist) {
 				best = i;
-				dist = abs(target-et3k.clockFreq[i]);
+				dist = cdiff;
 			}
 		}
 		set_clock_index_et3k(best);

src/shell/shell.cpp

@@ -286,6 +286,8 @@ void DOS_Shell::Run(void) {
 	std::string line;
 	if (cmd->FindStringRemain("/C",line)) {
 		strcpy(input_line,line.c_str());
+		char* sep = strpbrk(input_line,"\r\n"); //GTA installer
+		if (sep) *sep = 0;
 		DOS_Shell temp;
 		temp.echo = echo;
 		temp.ParseLine(input_line);		//for *.exe *.com  |*.bat creates the bf needed by runinternal;

src/shell/shell_batch.cpp

@@ -24,14 +24,14 @@
 #include "shell.h"
 #include "support.h"
 
-BatchFile::BatchFile(DOS_Shell * host,char const * const name, char const * const cmd_line) {
+BatchFile::BatchFile(DOS_Shell * host,char const * const resolved_name,char const * const entered_name, char const * const cmd_line) {
 	location = 0;
 	prev=host->bf;
 	echo=host->echo;
 	shell=host;
 	char totalname[DOS_PATHLENGTH+4];
-	DOS_Canonicalize(name,totalname); // Get fullname including drive specificiation
-	cmd = new CommandLine(totalname,cmd_line);
+	DOS_Canonicalize(resolved_name,totalname); // Get fullname including drive specificiation
+	cmd = new CommandLine(entered_name,cmd_line);
 	filename = totalname;
 
 	//Test if file is openable

src/shell/shell_cmds.cpp

@@ -474,26 +474,25 @@ void DOS_Shell::CMD_DIR(char * args) {
 		/* Skip non-directories if option AD is present */
 		if(optAD && !(attr&DOS_ATTR_DIRECTORY) ) continue;
 		
-		char * ext = empty_string;
-		if (!optW && (name[0] != '.')) {
-			ext = strrchr(name, '.');
-			if (!ext) ext = empty_string;
-			else *ext++ = 0;
-		}
-		Bit8u day	= (Bit8u)(date & 0x001f);
-		Bit8u month	= (Bit8u)((date >> 5) & 0x000f);
-		Bit16u year = (Bit16u)((date >> 9) + 1980);
-		Bit8u hour	= (Bit8u)((time >> 5 ) >> 6);
-		Bit8u minute = (Bit8u)((time >> 5) & 0x003f);
-
 		/* output the file */
 		if (optB) {
 			// this overrides pretty much everything
 			if (strcmp(".",name) && strcmp("..",name)) {
-				if ((attr & DOS_ATTR_DIRECTORY)||(strlen(ext)==0)) WriteOut("%s\n",name);
-				else WriteOut("%s.%s\n",name,ext);
+				WriteOut("%s\n",name);
 			}
 		} else {
+			char * ext = empty_string;
+			if (!optW && (name[0] != '.')) {
+				ext = strrchr(name, '.');
+				if (!ext) ext = empty_string;
+				else *ext++ = 0;
+			}
+			Bit8u day	= (Bit8u)(date & 0x001f);
+			Bit8u month	= (Bit8u)((date >> 5) & 0x000f);
+			Bit16u year = (Bit16u)((date >> 9) + 1980);
+			Bit8u hour	= (Bit8u)((time >> 5 ) >> 6);
+			Bit8u minute = (Bit8u)((time >> 5) & 0x003f);
+
 			if (attr & DOS_ATTR_DIRECTORY) {
 				if (optW) {
 					WriteOut("[%s]",name);
@@ -518,11 +517,9 @@ void DOS_Shell::CMD_DIR(char * args) {
 			if (optW) {
 				w_count++;
 			}
-			if (optP) {
-				if (!(++p_count%(22*w_size))) {
-					CMD_PAUSE(empty_string);
-				}
-			}
+		}
+		if (optP && !(++p_count%(22*w_size))) {
+			CMD_PAUSE(empty_string);
 		}
 	} while ( (ret=DOS_FindNext()) );
 	if (optW) {

src/shell/shell_misc.cpp

@@ -431,7 +431,7 @@ bool DOS_Shell::Execute(char * name,char * args) {
 		/* delete old batch file if call is not active*/
 		bool temp_echo=echo; /*keep the current echostate (as delete bf might change it )*/
 		if(bf && !call) delete bf;
-		bf=new BatchFile(this,fullname,line);
+		bf=new BatchFile(this,fullname,name,line);
 		echo=temp_echo; //restore it.
 	} 
 	else