Spelling fixes for src dir

Note: large parts of libs, in particular libs/decoders were skipped

src/cpu/core_full/string.h

@@ -46,7 +46,7 @@
 	if (!(inst.prefix & PREFIX_REP)) {
 		count=1;
 	} else {
-		/* we allow the user to cap our count as a way of making REP string operations interruptable (and at what granularity) */
+		/* we allow the user to cap our count as a way of making REP string operations interruptible (and at what granularity) */
 		/* NTS: This condition is less important now that the loops themselves break when CPU_Cycles <= 0. when this code was
 		 *      initially implemented the string ops stubbornly counted through the bytes regardless of pending interrupts and
 		 *      it caused problems with code that needed fine timing i.e. demos that played music through the LPT DAC while

src/cpu/core_normal/string.h

@@ -55,7 +55,7 @@ void DoString(STRING_OP type) {
 		count=1;
 	}
 	else {
-		/* we allow the user to cap our count as a way of making REP string operations interruptable (and at what granularity) */
+		/* we allow the user to cap our count as a way of making REP string operations interruptible (and at what granularity) */
 		/* NTS: This condition is less important now that the loops themselves break when CPU_Cycles <= 0. when this code was
 		 *      initially implemented the string ops stubbornly counted through the bytes regardless of pending interrupts and
 		 *      it caused problems with code that needed fine timing i.e. demos that played music through the LPT DAC while

src/dos/dos_programs.cpp

@@ -5447,7 +5447,7 @@ private:
         else if (isdigit(letter)) { /* DOSBox-X: drives mounted by number (INT 13h) can be unmounted this way */
             int index = letter - '0';
 
-            //detatch hard drive or floppy drive from bios and ide controller
+            //detach hard drive or floppy drive from bios and ide controller
             if (index < MAX_DISK_IMAGES && imageDiskList[index]) {
                 if (index > 1) IDE_Hard_Disk_Detach(index);
                 imageDiskList[index]->Release();

src/dos/scsidefs.h

@@ -161,7 +161,7 @@
 //***************************************************************************
 #define SCSI_GETDBSTAT  0x34    // Get Data Buffer Status (O)
 #define SCSI_GETWINDOW  0x25    // Get Window (O)
-#define SCSI_OBJECTPOS  0x31    // Object Postion (O)
+#define SCSI_OBJECTPOS  0x31    // Object Position (O)
 #define SCSI_SCAN       0x1B    // Scan (O)
 #define SCSI_SETWINDOW  0x24    // Set Window (MANDATORY)
 

src/fpu/fpu.cpp

@@ -617,7 +617,7 @@ void FPU_ESC6_Normal(Bitu rm) {
 		break;
 	case 0x02:  /* FCOMP5*/
 		FPU_FCOM(TOP,STV(sub));
-		break;	/* TODO IS THIS ALLRIGHT ????????? */
+		break;	/* TODO IS THIS ALRIGHT ????????? */
 	case 0x03:  /*FCOMPP*/
 		if(sub != 1) {
 			LOG(LOG_FPU,LOG_WARN)("ESC 6:Unhandled group %d subfunction %d",(int)group,(int)sub);
@@ -1196,4 +1196,4 @@ std::string FPUStatusWord::to_string() const
 	       " UE=" + std::to_string(UE) + " OE=" + std::to_string(OE) +
 	       " ZE=" + std::to_string(ZE) + " DE=" + std::to_string(DE) +
 	       " IE=" + std::to_string(IE) + " TOP=" + std::to_string(top);
-}
+}

src/gui/menu.cpp

@@ -1512,7 +1512,7 @@ void ConstructSubMenu(DOSBoxMenu::item_handle_t item_id, const char * const * li
          *      This seemingly inefficient method of populating the display
          *      list is REQUIRED because DOSBoxMenu::item& is a reference
          *      to a std::vector, and the reference becomes invalid when
-         *      the vector reallocates to accomodate more entries.
+         *      the vector reallocates to accommodate more entries.
          *
          *      Holding onto one reference for the entire loop risks a
          *      segfault (use after free) bug if the vector should reallocate
@@ -2238,7 +2238,7 @@ umount:
             Drives[i_drive-'A'] = 0;
             if(i_drive-'A' == DOS_GetDefaultDrive()) 
                 DOS_SetDrive(toupper('Z') - 'A');
-            LOG_MSG("GUI:Drive %c has succesfully been removed.",i_drive); break;
+            LOG_MSG("GUI:Drive %c has successfully been removed.",i_drive); break;
         case 1:
             LOG_MSG("GUI:Virtual Drives can not be unMOUNTed."); break;
         case 2:

src/gui/midi.cpp

@@ -520,7 +520,7 @@ void MIDI_RawOutByte(uint8_t data) {
 		midi.handler->PlayMsg(midi.rt_buf);
 		return;
 	}	 
-	/* Test for a active sysex tranfer */
+	/* Test for a active sysex transfer */
 	if (midi.status==0xf0) {
 		if (!(data&0x80)) { 
 			if (midi.sysex.used<(SYSEX_SIZE-1)) midi.sysex.buf[midi.sysex.used++] = data;

src/gui/midi_coreaudio.h

@@ -133,7 +133,7 @@ public:
 					}
 #else
 					// kMusicDeviceProperty_SoundBankFSRef is present on 10.6+, but
-					// kMusicDeviceProperty_SoundBankURL was added in 10.5 as a future prooof replacement
+					// kMusicDeviceProperty_SoundBankURL was added in 10.5 as a future proof replacement
 					CFURLRef url = CFURLCreateFromFileSystemRepresentation(
 					                                                       kCFAllocatorDefault,
 					                                                       (const UInt8*)soundfont,

src/gui/render.cpp

@@ -1329,7 +1329,7 @@ void RENDER_Init() {
     render.forceUpdate=false;
     std::string cline;
     std::string scaler;
-    //Check for commandline paramters and parse them through the configclass so they get checked against allowed values
+    //Check for commandline parameters and parse them through the configclass so they get checked against allowed values
     if (control->cmdline->FindString("-scaler",cline,true)) {
         section->HandleInputline(std::string("scaler=") + cline);
     } else if (control->cmdline->FindString("-forcescaler",cline,true)) {

src/gui/sdl_gui.cpp

@@ -3032,7 +3032,7 @@ public:
         bar->addItem(2,MSG_Get("VISIT_HOMEPAGE"));
         bar->addItem(2,"");
         if (!dos_kernel_disabled) {
-            /* these do not work until shell help text is registerd */
+            /* these do not work until shell help text is registered */
             bar->addItem(2,MSG_Get("GET_STARTED"));
             bar->addItem(2,MSG_Get("CDROM_SUPPORT"));
             bar->addItem(2,"");

src/gui/sdlmain.cpp

@@ -2654,7 +2654,7 @@ void GFX_SwitchFullScreen(void)
 
                Frankly I wish I knew how to fix the SDL1 Quartz code to use whatever abracadabra magic code is required
                to enumerate these extra HDTV modes so this hack isn't necessary, except that experience says this hack is
-               always necesary because it might not always work.
+               always necessary because it might not always work.
 
                This magic hidden super secret API bullshit is annoying. You're worse than Microsoft with this stuff, Apple --J.C. */
             {
@@ -2709,7 +2709,7 @@ void GFX_SwitchFullScreen(void)
 
     // if we're going fullscreen and current scaler exceeds screen size,
     // cancel the fullscreen change -> fixes scaler crashes
-    // TODO this will need further changes to accomodate different outputs (e.g. stretched)
+    // TODO this will need further changes to accommodate different outputs (e.g. stretched)
     if (full)
     {
         int width, height;
@@ -3087,7 +3087,7 @@ static void SetPriority(PRIORITY_LEVELS level) {
         SetPriorityClass(GetCurrentProcess(),HIGH_PRIORITY_CLASS);
         break;
 #elif C_SET_PRIORITY
-/* Linux use group as dosbox-x has mulitple threads under linux */
+/* Linux use group as dosbox-x has multiple threads under linux */
     case PRIORITY_LEVEL_PAUSE:  // if DOSBox-X is paused, assume idle priority
     case PRIORITY_LEVEL_LOWEST:
         setpriority (PRIO_PGRP, 0,PRIO_MAX);
@@ -5270,7 +5270,7 @@ bool eatRestoredWindow = false;
 /* DOSBox SVN revision 4176:4177: For Linux/X11, Xorg 1.20.1
  * will make spurious focus gain and loss events when locking the mouse in windowed mode.
  *
- * This has not been tested with DOSBox-X yet becaus I do not run Xorg 1.20.1, yet */
+ * This has not been tested with DOSBox-X yet because I do not run Xorg 1.20.1, yet */
 #if defined(LINUX)
 #define SDL_XORG_FIX 1
 #else
@@ -8564,7 +8564,7 @@ int main(int argc, char* argv[]) SDL_MAIN_NOEXCEPT {
         KeyboardLayoutDetect();
         SetMapperKeyboardLayout(host_keyboard_layout);
 
-        /* -- -- Initialise Joystick and CD-ROM seperately. This way we can warn when it fails instead of exiting the application */
+        /* -- -- Initialise Joystick and CD-ROM separately. This way we can warn when it fails instead of exiting the application */
         LOG(LOG_MISC,LOG_DEBUG)("Initializing SDL joystick subsystem...");
         glide.fullscreen = &sdl.desktop.fullscreen;
         if (SDL_InitSubSystem(SDL_INIT_JOYSTICK) >= 0) {

src/gui/zipfile.cpp

@@ -405,7 +405,7 @@ unsigned long zip_nv_pair_map::get_ulong(const char *name) {
 void zip_nv_pair_map::process_line(char *line/*will modify, assume caller has put NUL at the end*/) {
     char *equ = strchr(line,'=');
     if (equ == NULL) return;
-    *equ++ = 0; /* overwite '=' with NUL, split name vs value */
+    *equ++ = 0; /* overwrite '=' with NUL, split name vs value */
 
     /* no null names */
     if (*line == 0) return;

src/hardware/adlib.cpp

@@ -533,7 +533,7 @@ struct RawHeader {
 /*
 	The Raw Tables is < 128 and is used to convert raw commands into a full register index 
 	When the high bit of a raw command is set it indicates the cmd/data pair is to be sent to the 2nd port
-	After the conversion table the raw data follows immediatly till the end of the chunk
+	After the conversion table the raw data follows immediately till the end of the chunk
 */
 
 //Table to map the opl register to one <127 for dro saving
@@ -1050,7 +1050,7 @@ void Module::Init( Mode m ) {
 	case MODE_OPL2:
 		break;
 	case MODE_DUALOPL2:
-		//Setup opl3 mode in the hander
+		//Setup opl3 mode in the handler
 		handler->WriteReg( 0x105, 1 );
 		//Also set it up in the cache so the capturing will start opl3
 		CacheWrite( 0x105, 1 );
@@ -1110,7 +1110,7 @@ void SaveRad() {
 	fwrite( "RAD by REALiTY!!", 1, 16, handle );
 	b[w++] = 0x10;		//version
 	b[w++] = 0x06;		//default speed and no description
-	//Write 18 instuments for all operators in the cache
+	//Write 18 instruments for all operators in the cache
 	for ( unsigned int i = 0; i < 18; i++ ) {
 		uint8_t* set = module->cache + ( i / 9 ) * 256;
 		Bitu offset = ((i % 9) / 3) * 8 + (i % 3);

src/hardware/dbopl.cpp

@@ -100,7 +100,7 @@ namespace DBOPL {
 #endif
 
 
-//How much to substract from the base value for the final attenuation
+//How much to subtract from the base value for the final attenuation
 static const uint8_t KslCreateTable[16] = {
 	//0 will always be be lower than 7 * 8
 	64, 32, 24, 19, 
@@ -210,7 +210,7 @@ static void EnvelopeSelect( uint8_t val, uint8_t& index, uint8_t& shift ) {
 
 #if ( DBOPL_WAVE == WAVE_HANDLER )
 /*
-	Generate the different waveforms out of the sine/exponetial table using handlers
+	Generate the different waveforms out of the sine/exponential table using handlers
 */
 static /*inline*/ Bits MakeVolume( Bitu wave, Bitu volume ) {
 	Bitu total = wave + volume;
@@ -910,10 +910,10 @@ Channel* Channel::BlockTemplate( Chip* chip, uint32_t samples, int32_t* output )
 		//Early out for percussion handlers
 		if ( mode == sm2Percussion ) {
 			GeneratePercussion<false>( chip, output + i );
-			continue;	//Prevent some unitialized value bitching
+			continue;	//Prevent some uninitialized value bitching
 		} else if ( mode == sm3Percussion ) {
 			GeneratePercussion<true>( chip, output + i * 2 );
-			continue;	//Prevent some unitialized value bitching
+			continue;	//Prevent some uninitialized value bitching
 		}
 
 		//Do unsigned shift so we can shift out all bits but still stay in 10 bit range otherwise
@@ -1450,7 +1450,7 @@ void InitTables( void ) {
 			ChanOffsetTable[i] = 0;
 			continue;
 		}
-		//Make sure the four op channels follow eachother
+		//Make sure the four op channels follow each other
 		if ( index < 6 ) {
 			index = (index % 3) * 2 + ( index / 3 );
 		}

src/hardware/disney.cpp

@@ -199,7 +199,7 @@ static void disney_write(Bitu port,Bitu val,Bitu iolen) {
 	{
 		disney.data=(uint8_t)val;
 		// if data is written here too often without using the stereo
-		// mechanism we use the simple DAC machanism. 
+		// mechanism we use the simple DAC mechanism.
         if(disney.state != DS_RUNNING) {
 			disney.interface_det++;
 			if(disney.interface_det > 5)
@@ -350,7 +350,7 @@ static void DISNEY_CallBack(Bitu len) {
 			uint8_t gapfiller = 128; //Keep the middle
 			if(real_used) {
 				// fix for some stupid game; it outputs 0 at the end of the stream
-				// causing a click. So if we have at least two bytes availible in the
+				// causing a click. So if we have at least two bytes available in the
 				// buffer and the last one is a 0 then ignore that.
 				if(disney.leader->buffer[real_used-1]==0)
 					real_used--;

src/hardware/dma.cpp

@@ -299,7 +299,7 @@ void DmaController::WriteControllerReg(Bitu reg,Bitu val,Bitu /*len*/) {
 			chan->currcnt=(uint16_t)((chan->currcnt&0x00ff)|(val << 8));
 		}
 		break;
-	case 0x8:		/* Comand reg not used */
+	case 0x8:		/* Command reg not used */
 		break;
 	case 0x9:		/* Request registers, memory to memory */
 		//TODO Warning?

src/hardware/ide.cpp

@@ -3088,7 +3088,7 @@ void IDE_EmuINT13DiskReadByBIOS(unsigned char disk,unsigned int cyl,unsigned int
                         LOG_MSG("INT 13 WARNING: I/O issued on drive attached to IDE emulation with changed logical geometry!\n");
 
                     /* HACK: src/ints/bios_disk.cpp implementation doesn't correctly
-                     *       wrap sector numbers across tracks. it fullfills the read
+                     *       wrap sector numbers across tracks. it fulfills the read
                      *       by counting sectors and reading from C,H,S+i which means
                      *       that if the OS assumes the ability to read across track
                      *       boundaries (as Windows 95 does) we will get invalid
@@ -4186,7 +4186,7 @@ void IDEATADevice::writecommand(uint8_t cmd) {
         case 0xA1: /* IDENTIFY PACKET DEVICE */
             /* We are not an ATAPI packet device.
              * Most MS-DOS drivers and Windows 95 like to issue both IDENTIFY ATA and IDENTIFY ATAPI commands.
-             * I also gather from some contributers on the github comments that people think our "Unknown IDE/ATA command"
+             * I also gather from some contributors on the github comments that people think our "Unknown IDE/ATA command"
              * error message is part of some other error in the emulation. Rather than put up with that, we'll just
              * silently abort the command with an error. */
             abort_normal();

src/hardware/ipx.cpp

@@ -361,7 +361,7 @@ static void IPX_AES_EventHandler(Bitu param)
 		}
 		tmpECB = tmp2ECB;
 	}
-	LOG_MSG("!!!! Rouge AES !!!!" );
+	LOG_MSG("!!!! Rogue AES !!!!" );
 }
 
 static void sendPacket(ECBClass* sendecb);
@@ -685,7 +685,7 @@ static void sendPacket(ECBClass* sendecb) {
 	uint8_t immedAddr[6];
 	sendecb->getImmAddress(immedAddr);
 	// filter out broadcasts and local loopbacks
-	// Real implementation uses the ImmedAddr to check wether this is a broadcast
+	// Real implementation uses the ImmedAddr to check whether this is a broadcast
 
 	bool islocalbroadcast=true;
 	bool isloopback=true;

src/hardware/ipxserver.cpp

@@ -176,7 +176,7 @@ static void IPX_ServerLoop() {
 				UnpackIP(tmpHeader->src.addr.byIP, &tmpAddr);
 				for(i=0;i<SOCKETTABLESIZE;i++) {
 					if(!connBuffer[i].connected) {
-						// Use prefered host IP rather than the reported source IP
+						// Use preferred host IP rather than the reported source IP
 						// It may be better to use the reported source
 						ipconn[i] = inPacket.address;
 

src/hardware/keyboard.cpp

@@ -103,7 +103,7 @@ struct ps2mouse {
     bool        scale21;        /* 2:1 scaling */
     bool        intellimouse_mode;  /* intellimouse scroll wheel */
     bool        intellimouse_btn45; /* 4th & 5th buttons */
-    bool        int33_taken;        /* for compatability with existing DOSBox code: allow INT 33H emulation to "take over" and disable us */
+    bool        int33_taken;        /* for compatibility with existing DOSBox code: allow INT 33H emulation to "take over" and disable us */
     bool        l,m,r;          /* mouse button states */
 };
 
@@ -239,7 +239,7 @@ void KEYBOARD_AUX_Event(float x,float y,Bitu buttons,int scrollwheel) {
 int KEYBOARD_AUX_Active() {
     /* NTS: We want to allow software to read by polling, which doesn't
      *      require interrupts to be enabled. Whether or not IRQ12 is
-     *      unmasked is irrelevent */
+     *      unmasked is irrelevant */
     return keyb.auxactive && !keyb.ps2mouse.int33_taken;
 }
 
@@ -1631,9 +1631,9 @@ void KEYBOARD_AddKey1(KBD_KEYS keytype,bool pressed) {
     case KBD_jp_hiragana:ret=0x70;break;/*also Katakana */
     case KBD_jp_backslash:ret=0x73;break;/*JP 106-key: _ \ or ろ (ro)  <-- WARNING: UTF-8 unicode */
     case KBD_jp_yen:ret=0x7d;break;/*JP 106-key: | ¥ (yen) or ー (prolonged sound mark)  <-- WARNING: UTF-8 unicode */
-	case KBD_colon:if (!pc98_force_ibm_layout) {ret = 0x28; break;} /*JP106-key : or * same postion with Quote key */
+	case KBD_colon:if (!pc98_force_ibm_layout) {ret = 0x28; break;} /*JP106-key : or * same position with Quote key */
-	case KBD_caret:if (!pc98_force_ibm_layout) {ret = 0x0d; break;} /*JP106-key ^ or ~ same postion with Equals key */
+	case KBD_caret:if (!pc98_force_ibm_layout) {ret = 0x0d; break;} /*JP106-key ^ or ~ same position with Equals key */
-	case KBD_atsign:if (!pc98_force_ibm_layout) {ret = 0x1a; break;} /*JP106-key @ or ` same postion with Left-bracket key */
+	case KBD_atsign:if (!pc98_force_ibm_layout) {ret = 0x1a; break;} /*JP106-key @ or ` same position with Left-bracket key */
 	default:
         LOG(LOG_MISC, LOG_WARN)("Unsupported key press %lu", (unsigned long)keytype);
         return;

src/hardware/mame/fmopl.cpp

@@ -2100,7 +2100,7 @@ static unsigned char OPLRead(FM_OPL *OPL,int a)
 	return 0xff;
 }
 
-/* CSM Key Controll */
+/* CSM Key Control */
 static inline void CSMKeyControll(OPL_CH *CH)
 {
 	CH->SLOT[SLOT1].KEYON(4);
@@ -2121,7 +2121,7 @@ static int OPLTimerOver(FM_OPL *OPL,int c)
 	else
 	{   /* Timer A */
 		OPL->STATUS_SET(0x40);
-		/* CSM mode key,TL controll */
+		/* CSM mode key,TL control */
 		if( OPL->mode & 0x80 )
 		{   /* CSM mode total level latch and auto key on */
 			int ch;

src/hardware/mame/saa1099.h

@@ -23,7 +23,7 @@
 //  TYPE DEFINITIONS
 //**************************************************************************
 
-//Container class for int that just initalizes to 0
+//Container class for int that just initializes to 0
 class NullInt {
     int value;
 public:

src/hardware/mame/ymdeltat.cpp

@@ -222,7 +222,7 @@ value:   START, REC, MEMDAT, REPEAT, SPOFF, x,x,RESET   meaning:
 		if (portstate & 0x20) /* do we access external memory? */
 		{
 			now_addr = start << 1;
-			memread = 2;    /* two dummy reads needed before accesing external memory via register $08*/
+			memread = 2;    /* two dummy reads needed before accessing external memory via register $08*/
 
 			/* if yes, then let's check if ADPCM memory is mapped and big enough */
 			if (!memory)

src/hardware/mame/ymdeltat.h

@@ -61,7 +61,7 @@ struct YM_DELTAT {     /* AT: rearranged and tightened structure */
 	*/
 	void *  status_change_which_chip;   /* this chip id */
 	uint8_t   status_change_EOS_bit;      /* 1 on End Of Sample (record/playback/cycle time of AD/DA converting has passed)*/
-	uint8_t   status_change_BRDY_bit;     /* 1 after recording 2 datas (2x4bits) or after reading/writing 1 data */
+	uint8_t   status_change_BRDY_bit;     /* 1 after recording 2 data (2x4bits) or after reading/writing 1 data */
 	uint8_t   status_change_ZERO_bit;     /* 1 if silence lasts for more than 290 milliseconds on ADPCM recording */
 
 	/* neither Y8950 nor YM2608 can generate IRQ when PCMBSY bit changes, so instead of above,

src/hardware/mame/ymf262.cpp

@@ -26,7 +26,7 @@ Revision History:
     6. 4-channel sound output.
     7. YMF262 compabile DAC (YAC512) is available.
     8. LFO for vibrato and tremolo effedts.
-    9. 2 programable timers.
+    9. 2 programmable timers.
    10. Shorter register access time compared with YM3812.
    11. 5V single supply silicon gate CMOS process.
    12. 24 Pin SOP Package (YMF262-M), 48 Pin SQFP Package (YMF262-S).

src/hardware/mixer.cpp

@@ -18,7 +18,7 @@
 
 
 /* 
-    Remove the sdl code from here and have it handeld in the sdlmain.
+    Remove the sdl code from here and have it handled in sdlmain.
     That should call the mixer start from there or something.
 */
 

src/hardware/ne2000.cpp

@@ -747,7 +747,7 @@ bx_ne2k_c::page0_write(uint32_t offset, uint32_t value, unsigned io_len)
     break;
 
   case 0xe:  // DCR
-    // the loopback mode is not suppported yet
+    // the loopback mode is not supported yet
     if (!(value & 0x08)) {
       BX_ERROR(("DCR write, loopback mode selected"));
     }

src/hardware/parport/filelpt.h

@@ -44,7 +44,7 @@ public:
 	bool addLF;					// if set, add line feed after carriage return if not used by app
     bool squote;
 
-	uint8_t lastChar = 0;				// used to save the previous character to decide wether to add LF
+	uint8_t lastChar = 0;				// used to save the previous character to decide whether to add LF
 	const uint16_t* codepage_ptr; // pointer to the translation codepage if not null
 
 	bool OpenFile();

src/hardware/parport/parport.cpp

@@ -372,7 +372,7 @@ class PARPORTS:public Module_base {
 					defaultirq[i] = (uint8_t)strtol(str.c_str(), NULL, 10);
 				cmd.FindCommand(1,str);
 
-				/* DOSBox SVN disney=true compatability: Reserve LPT1 for Disney Sound Source */
+				/* DOSBox SVN disney=true compatibility: Reserve LPT1 for Disney Sound Source */
 				if (i == 0 && DISNEY_ShouldInit())
 					continue;
 
@@ -681,9 +681,9 @@ void PARALLEL_OnPowerOn (Section * sec) {
 	if (testParallelPortsBaseclass) delete testParallelPortsBaseclass;
 	testParallelPortsBaseclass = new PARPORTS (control->GetSection("parallel"));
 
-	/* DOSBox SVN compatability: LPT1 should be reserved for Disney Sound Source if disney=true, now init it */
+	/* DOSBox SVN compatibility: LPT1 should be reserved for Disney Sound Source if disney=true, now init it */
 	if (!DISNEY_HasInit() && DISNEY_ShouldInit() && parallelPortObjects[0] == NULL) {
-		LOG_MSG("disney=true. For compatability with other DOSBox forks and SVN, LPT1 has been reserved for Disney Sound Source. Initializing it now.");
+		LOG_MSG("disney=true. For compatibility with other DOSBox forks and SVN, LPT1 has been reserved for Disney Sound Source. Initializing it now.");
 		LOG_MSG("DOSBox-X also supports disney=false and parallel1=disney");
 		DISNEY_Init(parallel_baseaddr[0]);
 	}

src/hardware/parport/printer.cpp

@@ -2224,7 +2224,7 @@ void CPrinter::outputPage()
 			}
 			else
 			{
-				// Find end of heterogenous area
+				// Find end of heterogeneous area
 				uint8_t diffCount = 1;
 				while (
                     diffCount < 128 && diffCount + pix < numpix && 
@@ -2322,7 +2322,7 @@ void CPrinter::fprintASCII85(FILE* f, uint16_t b)
 	}
 	else // Close string
 	{
-		// Partial tupel if there are still bytes in the buffer
+		// Partial tuple if there are still bytes in the buffer
 		if (ASCII85BufferPos > 0)
 		{
 			for (uint8_t i = ASCII85BufferPos; i < 4; i++)

src/hardware/parport/printer.h

@@ -164,7 +164,7 @@ private:
 	// Closes a multipage document
 	void finishMultipage();
 
-	// Returns value of the num-th pixel (couting left-right, top-down) in a safe way
+	// Returns value of the num-th pixel (counting left-right, top-down) in a safe way
 	uint8_t getPixel(uint32_t num);
 
 	FT_Library FTlib;					// FreeType2 library used to render the characters

src/hardware/reSID/envelope.cpp

@@ -135,7 +135,7 @@ reg16 EnvelopeGenerator::rate_counter_period[] = {
 // of ENV3 with another timed loop to fully synchronize with ENV3.
 //
 // At the first period when an exponential counter period larger than one
-// is used (decay or relase), one extra cycle is spent before the envelope is
+// is used (decay or release), one extra cycle is spent before the envelope is
 // decremented. The envelope output is then delayed one cycle until the state
 // is changed to attack. Now one cycle less will be spent before the envelope
 // is incremented, and the situation is normalized.

src/hardware/reSID/sid.cpp

@@ -414,7 +414,7 @@ double SID2::I0(double x)
 // ----------------------------------------------------------------------------
 // Setting of SID sampling parameters.
 //
-// Use a clock freqency of 985248Hz for PAL C64, 1022730Hz for NTSC C64.
+// Use a clock frequency of 985248Hz for PAL C64, 1022730Hz for NTSC C64.
 // The default end of passband frequency is pass_freq = 0.9*sample_freq/2
 // for sample frequencies up to ~ 44.1kHz, and 20kHz for higher sample
 // frequencies.
@@ -715,7 +715,7 @@ void SID2::clock(cycle_count delta_t)
 
 // ----------------------------------------------------------------------------
 // SID clocking with audio sampling.
-// Fixpoint arithmetics is used.
+// Fixpoint arithmetic is used.
 //
 // The example below shows how to clock the SID a specified amount of cycles
 // while producing audio output:
@@ -920,7 +920,7 @@ int SID2::clock_resample_interpolate(cycle_count& delta_t, short* buf, int n,
 
     v >>= FIR_SHIFT;
 
-    // Saturated arithmetics to guard against 16 bit sample overflow.
+    // Saturated arithmetic to guard against 16 bit sample overflow.
     const int half = 1 << 15;
     if (v >= half) {
       v = half - 1;
@@ -983,7 +983,7 @@ int SID2::clock_resample_fast(cycle_count& delta_t, short* buf, int n,
 
     v >>= FIR_SHIFT;
 
-    // Saturated arithmetics to guard against 16 bit sample overflow.
+    // Saturated arithmetic to guard against 16 bit sample overflow.
     const int half = 1 << 15;
     if (v >= half) {
       v = half - 1;

src/hardware/sblaster.cpp

@@ -1709,16 +1709,16 @@ static void DSP_DoCommand(void) {
             for (s=0;s < sc;s++) sb.chan->AddSamples_m8(1,(uint8_t*)(&sb.dsp.in.data[0]));
         }
         break;
-    case 0x24:  /* Singe Cycle 8-Bit DMA ADC */
+    case 0x24:  /* Single Cycle 8-Bit DMA ADC */
         sb.dma.left=sb.dma.total=1u+(unsigned int)sb.dsp.in.data[0]+((unsigned int)sb.dsp.in.data[1] << 8u);
         sb.dma.sign=false;
         LOG(LOG_SB,LOG_ERROR)("DSP:Faked ADC for %d bytes",(int)sb.dma.total);
         GetDMAChannel(sb.hw.dma8)->Register_Callback(DSP_ADC_CallBack);
         break;
-    case 0x91:  /* Singe Cycle 8-Bit DMA High speed DAC */
+    case 0x91:  /* Single Cycle 8-Bit DMA High speed DAC */
         DSP_SB2_ABOVE;
         /* fall through */
-    case 0x14:  /* Singe Cycle 8-Bit DMA DAC */
+    case 0x14:  /* Single Cycle 8-Bit DMA DAC */
     case 0x15:  /* Wari hack. Waru uses this one instead of 0x14, but some weird stuff going on there anyway */
         /* Note: 0x91 is documented only for DSP ver.2.x and 3.x, not 4.x */
         DSP_PrepareDMA_Old(DSP_DMA_8,false,false,/*hispeed*/(sb.dsp.cmd&0x80)!=0);
@@ -1773,7 +1773,7 @@ static void DSP_DoCommand(void) {
 		//      the Sound Blaster Pro in which the Pro treats stereo output as just mono that is alternately latched
 		//      to left and right DACs. The SB16 handling here also follows that tradition because Creative's SB16
 		//      playback commands 0xB0-0xCF follow the same tradition: Block size specified in the command is given
-		//      in samples, and by samples, they mean individual samples, and therefore it is stil doubled when
+		//      in samples, and by samples, they mean individual samples, and therefore it is still doubled when
 		//      asked to play stereo audio. I suppose this is why Linux ALSA chose to further clarify the terminology
 		//      by defining audio "samples" vs audio "frames".
 		// NTS: The sb.dma.total as individual sample count has been confirmed with DOSLIB and real hardware, and by
@@ -2213,7 +2213,7 @@ static bool DSP_busy_cycle() {
      *      enough, more than 8 is required, and the SNDSB test code will have issues with
      *      direct DAC mode again.
      *
-     *      This isn't 100% accurate, but it's the best DOSBox-X can do for now to mimick
+     *      This isn't 100% accurate, but it's the best DOSBox-X can do for now to mimic
      *      SB16 DSP behavior. */
 
     now = PIC_FullIndex();
@@ -2305,7 +2305,7 @@ static void DSP_DoWrite(uint8_t val) {
 }
 
 static uint8_t DSP_ReadData(void) {
-/* Static so it repeats the last value on succesive reads (JANGLE DEMO) */
+/* Static so it repeats the last value on successive reads (JANGLE DEMO) */
     if (sb.dsp.out.used) {
         sb.dsp.out.lastval=sb.dsp.out.data[sb.dsp.out.pos];
         sb.dsp.out.pos++;
@@ -2387,7 +2387,7 @@ void updateSoundBlasterFilter(Bitu rate) {
          *
          * Try to approximate the ESS's filter by undoing the calculation then feeding our own lowpass filter with it.
          *
-         * This implementation is matched aginst real hardware by ear, even though the reference hardware is a
+         * This implementation is matched against real hardware by ear, even though the reference hardware is a
          * laptop with a cheap tinny amplifier */
         uint64_t filter_raw = (uint64_t)7160000ULL / (256u - ESSreg(0xA2));
         uint64_t filter_hz = (filter_raw * (uint64_t)11) / (uint64_t)(82 * 4); /* match lowpass by ear compared to real hardware */

src/hardware/serialport/libserial.cpp

@@ -270,7 +270,7 @@ bool SERIAL_setCommParameters(COMPORT port,
 
 #include <errno.h>
 #include <fcntl.h>
-#include <stdio.h> // sprinf
+#include <stdio.h> // sprintf
 
 struct _COMPORT {
 	int porthandle;

src/hardware/serialport/misc_util.cpp

@@ -240,7 +240,7 @@ ENETServerSocket::~ENETServerSocket()
 	isopen = false;
 }
 
-// covert an ENet address to a string
+// convert an ENet address to a string
 static char *enet_address_to_string(const ENetAddress &address)
 {
 	static char ip_buf[INET_ADDRSTRLEN];

src/hardware/snd_pc98/cbus/pcm86io.c

@@ -146,7 +146,7 @@ static REG8 IOINPCALL pcm86_ia460(UINT port) {
 	return pcm86.soundflags;
 }
 
-// Bit0 flips syncronizing with the sampling rate set by port A468h.
+// Bit0 flips synchronizing with the sampling rate set by port A468h.
 // but I could not think of a good way to implement it.
 // NEC Windows 3.1 sound driver freeze if bit0 does not change, 
 // so I have added a process to switch it on each call.

src/hardware/tandy_sound.cpp

@@ -150,7 +150,7 @@ static void TandyDACModeChanged(void) {
 				if (tandy.dac.dma.chan) {
 					tandy.dac.dma.chan->Register_Callback(TandyDAC_DMA_CallBack);
 					tandy.dac.chan->Enable(true);
-//					LOG_MSG("Tandy DAC: playback started with freqency %f, volume %f",freq,vol);
+//					LOG_MSG("Tandy DAC: playback started with frequency %f, volume %f",freq,vol);
 				}
 			}
 		}

src/hardware/timer.cpp

@@ -645,9 +645,9 @@ static void write_p43(Bitu /*port*/,Bitu val,Bitu /*iolen*/) {
 			//      Intel 8254 PIT datasheet:
 			//
 			//      "The selected Counter's output latch (OL) latches the count at the time the
-			//      Counter Latch Comand is received. The count is held in the latch until it is
+			//      Counter Latch Command is received. The count is held in the latch until it is
 			//      read by the CPU (or until the Counter is reprogrammed). The count is then
-			//      unlatched automaticaly and the OL returns to "following" the counting element (CE)".
+			//      unlatched automatically and the OL returns to "following" the counting element (CE)".
 			//
 			//      So the datasheet, and the behavior of Lemmings, confirms that the latch stays
 			//      in effect even if you write the control word.

src/hardware/vga.cpp

@@ -1038,7 +1038,7 @@ void VGA_Reset(Section*) {
             // TODO: There are reports of VGA cards that have less than 256KB in the early days of VGA.
             //       How does that work exactly, especially when 640x480 requires about 37KB per plane?
             //       Did these cards have some means to chain two bitplanes odd/even in the same way
-            //       tha EGA did it?
+            //       than EGA did it?
             if (vga.mem.memsize != 0 || svgaCard == SVGA_None) {
                 if (vga.mem.memsize < _KB_bytes(256)) vga.mem.memsize = _KB_bytes(256);
             }
@@ -1747,17 +1747,17 @@ void JEGA_setupAX(void) {
 	jega.RDFFB = 0x00;//bc: Font access first byte
 	jega.RDFSB = 0x00;//bd: second
 	jega.RDFAP = 0x00;//be: Font Access Pattern
-	jega.RPESL = 0x00;//09: end scan line (superceded by EGA)
+	jega.RPESL = 0x00;//09: end scan line (superseded by EGA)
-	jega.RPULP = 0x00;//14: under scan line (superceded by EGA)
+	jega.RPULP = 0x00;//14: under scan line (superseded by EGA)
 	jega.RPSSC = 1;//db: DBCS start scan line
 	jega.RPSSU = 3;//d9: 2x DBCS upper start scan
 	jega.RPSSL = 0;//da: 2x DBCS lower start scan
 	jega.RPPAJ = 0x00;//dc: super imposed (only AX-2 system, not implemented)
 	jega.RCMOD = 0x00;//dd: Cursor Mode (not implemented)
-	jega.RCCLH = 0x00;//0e: Cursor location Upper bits (superceded by EGA)
+	jega.RCCLH = 0x00;//0e: Cursor location Upper bits (superseded by EGA)
-	jega.RCCLL = 0x00;//0f: Cursor location Lower bits (superceded by EGA)
+	jega.RCCLL = 0x00;//0f: Cursor location Lower bits (superseded by EGA)
-	jega.RCCSL = 0x00;//0a: Cursor Start Line (superceded by EGA)
+	jega.RCCSL = 0x00;//0a: Cursor Start Line (superseded by EGA)
-	jega.RCCEL = 0x00;//0b: Cursor End Line (superceded by EGA)
+	jega.RCCEL = 0x00;//0b: Cursor End Line (superseded by EGA)
 	jega.RCSKW = 0x20;//de: Cursor Skew control (not implemented)
 	jega.ROMSL = 0x00;//df: Unused?
 	jega.RSTAT = 0x03;//bf: Font register accessible status

src/hardware/vga_attr.cpp

@@ -319,7 +319,7 @@ void write_p3c0(Bitu /*port*/,Bitu val,Bitu iolen) {
 				svga.write_p3c0(attr(index), val, iolen);
 				break;
 			}
-			LOG(LOG_VGAMISC,LOG_NORMAL)("VGA:ATTR:Write to unkown Index %2X",attr(index));
+			LOG(LOG_VGAMISC,LOG_NORMAL)("VGA:ATTR:Write to unknown Index %2X",attr(index));
 			break;
 		}
 	}
@@ -347,7 +347,7 @@ Bitu read_p3c1(Bitu /*port*/,Bitu iolen) {
 	default:
 		if (svga.read_p3c1)
 			return svga.read_p3c1(attr(index), iolen);
-		LOG(LOG_VGAMISC,LOG_NORMAL)("VGA:ATTR:Read from unkown Index %2X",attr(index));
+		LOG(LOG_VGAMISC,LOG_NORMAL)("VGA:ATTR:Read from unknown Index %2X",attr(index));
 	}
 	return 0;
 }

src/hardware/vga_draw.cpp

@@ -1925,7 +1925,7 @@ static uint8_t * MCGA_TEXT_Draw_Line(Bitu vidstart, Bitu line) {
     // draw the text mode cursor if needed
     if ((vga.draw.cursor.count&0x8) && (line >= vga.draw.cursor.sline) &&
         (line <= vga.draw.cursor.eline) && vga.draw.cursor.enabled) {
-        // the adress of the attribute that makes up the cell the cursor is in
+        // the address of the attribute that makes up the cell the cursor is in
         Bits attr_addr = ((Bits)vga.draw.cursor.address - (Bits)vidstart) >> (Bits)1; /* <- FIXME: This right? */
         if (attr_addr >= 0 && attr_addr < (Bits)vga.draw.blocks) {
             Bitu index = (Bitu)attr_addr * (vga.draw.char9dot?9u:8u) * 4u;
@@ -4722,7 +4722,7 @@ void VGA_SetupDrawing(Bitu /*val*/) {
     Bitu vblank_skip;
 
     /* NTS: PC-98 emulation re-uses VGA state FOR NOW.
-     *      This will slowly change to accomodate PC-98 display controller over time
+     *      This will slowly change to accommodate PC-98 display controller over time
      *      and IS_PC98_ARCH will become it's own case statement. */
 
     if (IS_PC98_ARCH) {
@@ -5162,7 +5162,7 @@ void VGA_SetupDrawing(Bitu /*val*/) {
                     vga.draw.address_line_total *= 2;
 
                 /* if doublescan=false and line_total is even, then halve the height.
-                 * the VGA raster scan will skip every other line to accomodate that. */
+                 * the VGA raster scan will skip every other line to accommodate that. */
                 if ((!vga.draw.doublescan_effect) && (vga.draw.address_line_total & 1) == 0)
                     height /= 2;
                 else

src/hardware/vga_memory.cpp

@@ -78,7 +78,7 @@ int vga_memio_delay_ns = 1000;
 void VGAMEM_USEC_read_delay() {
 	if (vga_memio_delay_ns > 0) {
 		Bits delaycyc = (CPU_CycleMax * vga_memio_delay_ns) / 1000000;
-//		if(GCC_UNLIKELY(CPU_Cycles < 3*delaycyc)) delaycyc = 0; //Else port acces will set cycles to 0. which might trigger problem with games which read 16 bit values
+//		if(GCC_UNLIKELY(CPU_Cycles < 3*delaycyc)) delaycyc = 0; //Else port access will set cycles to 0. which might trigger problem with games which read 16 bit values
 		CPU_Cycles -= delaycyc;
 		CPU_IODelayRemoved += delaycyc;
 	}
@@ -87,7 +87,7 @@ void VGAMEM_USEC_read_delay() {
 void VGAMEM_USEC_write_delay() {
 	if (vga_memio_delay_ns > 0) {
 		Bits delaycyc = (CPU_CycleMax * vga_memio_delay_ns * 3) / (1000000 * 4);
-//		if(GCC_UNLIKELY(CPU_Cycles < 3*delaycyc)) delaycyc = 0; //Else port acces will set cycles to 0. which might trigger problem with games which read 16 bit values
+//		if(GCC_UNLIKELY(CPU_Cycles < 3*delaycyc)) delaycyc = 0; //Else port access will set cycles to 0. which might trigger problem with games which read 16 bit values
 		CPU_Cycles -= delaycyc;
 		CPU_IODelayRemoved += delaycyc;
 	}

src/hardware/vga_other.cpp

@@ -877,7 +877,7 @@ static void write_tandy(Bitu port,Bitu val,Bitu /*iolen*/) {
 		// The remapped range is 32kB instead of 16. Therefore CPU_PG bit 0
 		// appears to be ORed with CPU A14 (to preserve some sort of
 		// backwards compatibility?), resulting in odd pages being mapped
-		// as 2x16kB. Implemeted in vga_memory.cpp Tandy handler.
+		// as 2x16kB. Implemented in vga_memory.cpp Tandy handler.
 
 		vga.tandy.line_mask = (uint8_t)(val >> 6);
 		vga.tandy.draw_bank = val & ((vga.tandy.line_mask&2) ? 0x6 : 0x7);

src/hardware/vga_pc98_gdc.cpp

@@ -521,7 +521,7 @@ void PC98_GDC_state::begin_frame(void) {
     scan_address = 0;
     display_partition = 0;
 
-    /* the actual starting address is determined by the display partition in paramter RAM */
+    /* the actual starting address is determined by the display partition in parameter RAM */
     load_display_partition();
 }
 

src/hardware/vga_s3.cpp

@@ -267,7 +267,7 @@ void SVGA_S3_WriteCRTC(Bitu reg,Bitu val,Bitu iolen) {
             3   (80x,928) ISA Latch Address. If set latches address during every ISA
                 cycle, unlatches during every ISA cycle if clear.
                 (864/964) LAT DEL. Address Latch Delay Control (VL-Bus only). If set
-                address latching occours in the T1 cycle, if clear in the T2 cycle
+                address latching occurs in the T1 cycle, if clear in the T2 cycle
                 (I.e. one clock cycle delayed).
             4   ENB LA. Enable Linear Addressing if set.
             5   (not 864/964) Limit Entry Depth for Write-Post. If set limits Write

src/hardware/vga_xga.cpp

@@ -2314,7 +2314,7 @@ void XGA_Write(Bitu port, Bitu val, Bitu len) {
 //	LOG_MSG("XGA: Write to port %x, val %8x, len %x", (unsigned int)port, (unsigned int)val, (unsigned int)len);
 
 #if 0
-	// streams procesing debug
+	// streams processing debug
 	if (port >= 0x8180 && port <= 0x81FF)
 		LOG_MSG("XGA streams processing: Write to port %x, val %8x, len %x",(unsigned int)port,(unsigned int)val,(unsigned int)len);
 #endif
@@ -2560,7 +2560,7 @@ void XGA_Write(Bitu port, Bitu val, Bitu len) {
 		case 0x81EC: // S3 Trio64V+ streams processor, Streams FIFO and RAS Controls (MMIO only)
 			if (s3Card == S3_Trio64V || s3Card >= S3_ViRGE) {
 				/* bits [4:0] should be a value from 0 to 24 to shift priority between primary and secondary.
-				 * The larger the value, the more slots alloted to secondary layer.
+				 * The larger the value, the more slots allotted to secondary layer.
 				 * Allocation is out of 24 slots, therefore values larger than 24 are invalid. */
 				uint8_t thr = val & 0x1Fu;
 				if (thr > 24u) thr -= 16u; // assume some kind of odd malfunction happens on real hardware, check later

src/ints/bios.cpp

@@ -5274,7 +5274,7 @@ static Bitu INTDC_PC98_Handler(void) {
                 /* DS:DX contains
                  *       16*10 bytes, 16 bytes per entry for function keys F1-F10
                  *       16*10 bytes, 16 bytes per entry for function key shortcuts Shift+F1 to Shift+F10
-                 *       6*11 bytes, 6 bytes per entry of unknown relevence (GUESS: Escapes for other keys like INS, DEL?)
+                 *       6*11 bytes, 6 bytes per entry of unknown relevance (GUESS: Escapes for other keys like INS, DEL?)
                  *
                  * For whatever reason, the buffer is copied to the DOS buffer +1, meaning that on write it skips the 0x08 byte. */
                 Bitu ofs = (Bitu)(SegValue(ds) << 4ul) + (Bitu)reg_dx;
@@ -5965,7 +5965,7 @@ static Bitu INT14_Handler(void) {
         if (INT14_Wait(port+6u, 0x30u, timeout, &reg_ah)) {
             // wait for TX buffer empty
             if (INT14_Wait(port+5u, 0x20u, timeout, &reg_ah)) {
-                // fianlly send the character
+                // finally send the character
                 IO_WriteB(port,reg_al);
             } else
                 reg_ah |= 0x80u;
@@ -6466,7 +6466,7 @@ static Bitu INT15_Handler(void) {
         reg_ah=0x86;
         CALLBACK_SCF(true);
         break;
-    case 0xc4:  /* BIOS POS Programm option Select */
+    case 0xc4:  /* BIOS POS Program option Select */
         LOG(LOG_BIOS,LOG_NORMAL)("INT15:Function %X called, bios mouse not supported",reg_ah);
         CALLBACK_SCF(true);
         break;
@@ -6497,7 +6497,7 @@ static Bitu INT15_Handler(void) {
                     break;
                 case 0x01: // connect real mode interface
                     if(!APMBIOS_allow_realmode) {
-                        LOG_MSG("APM BIOS: OS attemped real-mode connection, which is disabled in your dosbox-x.conf\n");
+                        LOG_MSG("APM BIOS: OS attempted real-mode connection, which is disabled in your dosbox-x.conf\n");
                         reg_ah = 0x86;  // APM not present
                         CALLBACK_SCF(true);         
                         break;
@@ -6524,7 +6524,7 @@ static Bitu INT15_Handler(void) {
                     break;
                 case 0x02: // connect 16-bit protected mode interface
                     if(!APMBIOS_allow_prot16) {
-                        LOG_MSG("APM BIOS: OS attemped 16-bit protected mode connection, which is disabled in your dosbox-x.conf\n");
+                        LOG_MSG("APM BIOS: OS attempted 16-bit protected mode connection, which is disabled in your dosbox-x.conf\n");
                         reg_ah = 0x06;  // not supported
                         CALLBACK_SCF(true);         
                         break;
@@ -6561,7 +6561,7 @@ static Bitu INT15_Handler(void) {
                     // Note that Windows 98 will NOT talk to the APM BIOS unless the 32-bit protected mode connection is available.
                     // And if you lie about it in function 0x00 and then fail, Windows 98 will fail with a "Windows protection error".
                     if(!APMBIOS_allow_prot32) {
-                        LOG_MSG("APM BIOS: OS attemped 32-bit protected mode connection, which is disabled in your dosbox-x.conf\n");
+                        LOG_MSG("APM BIOS: OS attempted 32-bit protected mode connection, which is disabled in your dosbox-x.conf\n");
                         reg_ah = 0x08;  // not supported
                         CALLBACK_SCF(true);         
                         break;
@@ -10444,7 +10444,7 @@ void write_ID_version_string() {
      *      experiments show you can move the version string around so long as it's
      *      +1 from a paragraph boundary */
     /* TODO: *DO* allow dynamic relocation however if the dosbox-x.conf indicates that the user
-     *       is not interested in IBM BIOS compatability. Also, it would be really cool if
+     *       is not interested in IBM BIOS compatibility. Also, it would be really cool if
      *       dosbox-x.conf could override these strings and the user could enter custom BIOS
      *       version and ID strings. Heh heh heh.. :) */
     str_id_at = 0xFE00E;

src/ints/bios_keyboard.cpp

@@ -363,7 +363,7 @@ bool BIOS_AddKeyToBuffer(uint16_t code) {
         }
     }
     /* Check for buffer Full */
-    //TODO Maybe beeeeeeep or something although that should happend when internal buffer is full
+    //TODO Maybe beeeeeeep or something although that should happened when internal buffer is full
     if (ttail==head) {
 #if defined(USE_TTF)
         if(IS_DOSV || ttf_dosv) {

src/ints/bios_memdisk.cpp

@@ -34,7 +34,7 @@
 *   a size in kilobytes or a specific set of chs values to emulate
 * It will then split the image into 64k chunks that are allocated on-demand.
 * Initially the only RAM required is for the chunk map
-* The image is effectively intialized to all zeros, as each chunk is zeroed
+* The image is effectively initialized to all zeros, as each chunk is zeroed
 *   upon allocation
 * Writes of all zeros do not allocate memory if none has yet been assigned
 *
@@ -45,7 +45,7 @@ imageDiskMemory::imageDiskMemory(uint32_t imgSizeK) : imageDisk(ID_MEMORY) {
 	//notes:
 	//  this code always returns HARD DRIVES with 512 byte sectors
 	//  the code will round up in case it cannot make an exact match
-	//  it enforces a minimum drive size of 32kb, since a hard drive cannot be formatted as FAT12 with a smaller parition
+	//  it enforces a minimum drive size of 32kb, since a hard drive cannot be formatted as FAT12 with a smaller partition
 	//  the code works properly throughout the range of a 32-bit unsigned integer, however:
 	//    a) for drives requesting more than 8,225,280kb, the number of cylinders will exceed 1024
 	//    b) for drives requesting ULONG_MAX kb, the drive it creates will be slightly larger than ULONG_MAX kb, due to rounding
@@ -346,7 +346,7 @@ uint8_t imageDiskMemory::Write_AbsoluteSector(uint32_t sectnum, const void * dat
 	return 0x00;
 }
 
-// Parition and format the ramdrive
+// Partition and format the ramdrive
 uint8_t imageDiskMemory::Format() {
 	//verify that the geometry of the drive is valid
 	if (this->sector_size != 512) {

src/ints/ems.cpp

@@ -1765,7 +1765,7 @@ public:
 
 			if (!vcpi.enabled) return;
 
-			/* Install v86-callback that handles interrupts occuring
+			/* Install v86-callback that handles interrupts occurring
 			   in v86 mode, including protection fault exceptions */
 			call_v86mon.Install(&V86_Monitor,CB_IRET,"V86 Monitor");
 

src/ints/int10.cpp

@@ -372,14 +372,14 @@ graphics_chars:
 /* General */
 		case 0x30:/* Get Font Information */
 			switch (reg_bh) {
-			case 0x00:	/* interupt 0x1f vector */
+			case 0x00:	/* interrupt 0x1f vector */
 				{
 					RealPt int_1f=RealGetVec(0x1f);
 					SegSet16(es,RealSeg(int_1f));
 					reg_bp=RealOff(int_1f);
 				}
 				break;
-			case 0x01:	/* interupt 0x43 vector */
+			case 0x01:	/* interrupt 0x43 vector */
 				{
 					RealPt int_43=RealGetVec(0x43);
 					SegSet16(es,RealSeg(int_43));
@@ -1173,7 +1173,7 @@ CX	640x480	800x600	  1024x768/1280x1024
 		break;
 	default:
 		LOG(LOG_INT10,LOG_ERROR)("Function %4X not supported",reg_ax);
-//		reg_al=0x00;		//Successfull, breaks marriage
+//		reg_al=0x00;		//Successful, breaks marriage
 		break;
 	}
 	return CBRET_NONE;

src/ints/int10_memory.cpp

@@ -43,7 +43,7 @@ static uint8_t static_functionality[0x10]=
  /* 7 */ 0x07,  // 200, 350, 400 scan lines
  /* 8 */ 0x04,  // total number of character blocks available in text modes
  /* 9 */ 0x02,  // maximum number of active character blocks in text modes
- /* a */ 0xff,  // Misc Flags Everthing supported 
+ /* a */ 0xff,  // Misc Flags Everything supported 
  /* b */ 0x0e,  // Support for Display combination, intensity/blinking and video state saving/restoring
  /* c */ 0x00,  // reserved
  /* d */ 0x00,  // reserved

src/ints/int10_modes.cpp

@@ -2142,7 +2142,7 @@ dac_text16:
 		unsigned char s3_mode = 0x00;
 
 		switch (CurMode->type) {
-			case M_LIN4: // <- Theres a discrepance with real hardware on this
+			case M_LIN4: // <- There's a discrepance with real hardware on this
 			case M_LIN8:
 			case M_LIN15:
 			case M_LIN16:
@@ -2693,7 +2693,7 @@ public:
     void doHelp(void) {
         WriteOut("VESAMOED VESA BIOS mode editor utility\n");
         WriteOut("\n");
-        WriteOut("NOTE: Due to architectual limitations of VBE emulation,\n");
+        WriteOut("NOTE: Due to architectural limitations of VBE emulation,\n");
         WriteOut("      Adding new modes is not allowed.\n");
         WriteOut("\n");
         WriteOut("  -mode <x>               VBE video mode to edit.\n");

src/ints/int10_pal.cpp

@@ -348,7 +348,7 @@ void INT10_GetDACPage(uint8_t* mode,uint8_t* page) {
 	}
 
     /* the operations carried out here blanked the display because of the index (0x10/0x14) without bit 5,
-     * write a dummy index with bit 5 to reenable the display. Bugfix for "Blue Force" MS-DOS game.
+     * write a dummy index with bit 5 to re-enable the display. Bugfix for "Blue Force" MS-DOS game.
      *
      * Note that DOSBox SVN had the same bug without this fix, but appeared to work because the AC blanking
      * didn't work. DOSBox SVN has a similar fix as of commit r4297. */

src/ints/mouse.cpp

@@ -1771,7 +1771,7 @@ static Bitu INT33_Handler(void) {
              *                        04h     Swedish
              *                        05h     Finnish
              *                        06h     Spanish
-             *                        07h     Portugese
+             *                        07h     Portuguese
              *                        08h     Italian
              *
              */

src/libs/decoders/SDL_sound.h

@@ -142,7 +142,7 @@ typedef struct
 
 /**
  * \struct Sound_DecoderInfo
- * \brief Information about available soudn decoders.
+ * \brief Information about available sound decoders.
  *
  * Each decoder sets up one of these structs, which can be retrieved via
  *  the Sound_AvailableDecoders() function. EVERY FIELD IN THIS IS READ-ONLY.
@@ -426,7 +426,7 @@ SNDDECLSPEC void SDLCALL Sound_ClearError(void);
  *  via Sound_FreeSample().
  *
  * You do not have to keep a reference to (rw) around. If this function
- *  suceeds, it stores (rw) internally (and disposes of it during the call
+ *  succeeds, it stores (rw) internally (and disposes of it during the call
  *  to Sound_FreeSample()). If this function fails, it will dispose of the
  *  SDL_RWops for you.
  *

src/libs/decoders/SDL_sound_internal.h

@@ -89,7 +89,7 @@ typedef struct __SOUND_DECODERFUNCTIONS__
          *  reinitialized, in which case this method will be tried again.
          *
          * Note that the decoders quit() method won't be called if this
-         *  method fails, so if you can't intialize, you'll have to clean
+         *  method fails, so if you can't initialize, you'll have to clean
          *  up the half-initialized state in this method.
          */
     int (*init)(void);

src/libs/decoders/archive.h

@@ -67,7 +67,7 @@ namespace EndianSwapper
         public:
             static T Swap(T v)
             {
-                assert(false); // Shoud not be here...
+                assert(false); // Should not be here...
                 return v;
             }
     };

src/libs/decoders/mp3_seek_table.cpp

@@ -261,21 +261,21 @@ Uint64 load_existing_seek_points(const char* filename,
                                  map<Uint64, drmp3_uint64>& pcm_frame_count_table,
                                  vector<drmp3_seek_point_serial>& seek_points) {
 
-    // The below sentinals sanity check and read the incoming
+    // The below sentinels sanity check and read the incoming
     // file one-by-one until all the data can be trusted.
 
-    // Sentinal 1: bail if we got a zero-byte file.
+    // Sentinel 1: bail if we got a zero-byte file.
     struct stat buffer;
     if (stat(filename, &buffer) != 0) {
         return 0;
     }
 
-    // Sentinal 2: Bail if the file isn't big enough to hold our identifier.
+    // Sentinel 2: Bail if the file isn't big enough to hold our identifier.
     if (get_file_size(filename) < static_cast<int64_t>(sizeof(SEEK_TABLE_IDENTIFIER))) {
         return 0;
     }
 
-    // Sentinal 3: Bail if we don't get a matching identifier.
+    // Sentinel 3: Bail if we don't get a matching identifier.
     string fetched_identifier;
     ifstream infile(filename, ios_base::binary);
     Archive<ifstream> deserialize(infile);
@@ -289,13 +289,13 @@ Uint64 load_existing_seek_points(const char* filename,
     deserialize >> seek_points_table >> pcm_frame_count_table;
     infile.close();
 
-    // Sentinal 4: does the seek_points table have our stream's hash?
+    // Sentinel 4: does the seek_points table have our stream's hash?
     const auto p_seek_points = seek_points_table.find(stream_hash);
     if (p_seek_points == seek_points_table.end()) {
         return 0;
     }
 
-    // Sentinal 5: does the pcm_frame_count table have our stream's hash?
+    // Sentinel 5: does the pcm_frame_count table have our stream's hash?
     const auto p_pcm_frame_count = pcm_frame_count_table.find(stream_hash);
     if (p_pcm_frame_count == pcm_frame_count_table.end()) {
         return 0;

src/libs/decoders/stb.h

@@ -2529,7 +2529,7 @@ char *stb_replaceext(char *output, char *src, char *ext)
 //
 // Implementation strategy:
 //     chunked allocations come from the middle of chunks, and can't
-//     be freed. thefore they do not need to be on a sibling chain.
+//     be freed. therefore they do not need to be on a sibling chain.
 //     they may need child pointers if they have children.
 //
 // chunked, with-children
@@ -3088,7 +3088,7 @@ void stb_reassign(void *new_context, void *ptr)
 //
 //                                stb_arr
 //
-//  An stb_arr is directly useable as a pointer (use the actual type in your
+//  An stb_arr is directly usable as a pointer (use the actual type in your
 //  definition), but when it resizes, it returns a new pointer and you can't
 //  use the old one, so you have to be careful to copy-in-out as necessary.
 //
@@ -12442,7 +12442,7 @@ STB_EXTERN int stb_bgio_stat    (char *filename, stb_bgstat *result)
 //
 //   This is a clone of TCMalloc, but without the thread support.
 //      1. large objects are allocated directly, page-aligned
-//      2. small objects are allocated in homogeonous heaps, 0 overhead
+//      2. small objects are allocated in homogeoneous heaps, 0 overhead
 //
 //   We keep an allocation table for pages a la TCMalloc. This would
 //   require 4MB for the entire address space, but we only allocate

src/libs/decoders/stb_vorbis.h

@@ -5603,7 +5603,7 @@ int stb_vorbis_get_samples_float(stb_vorbis *f, int channels, float **buffer, in
     0.97 - builds under c++ (typecasting, don't use 'class' keyword)
     0.96 - somehow MY 0.95 was right, but the web one was wrong, so here's my 0.95 rereleased as 0.96, fixes a typo in the clamping code
     0.95 - clamping code for 16-bit functions
-    0.94 - not publically released
+    0.94 - not publicly released
     0.93 - fixed all-zero-floor case (was decoding garbage)
     0.92 - fixed a memory leak
     0.91 - conditional compiles to omit parts of the API and the infrastructure to support them: STB_VORBIS_NO_PULLDATA_API, STB_VORBIS_NO_PUSHDATA_API, STB_VORBIS_NO_STDIO, STB_VORBIS_NO_INTEGER_CONVERSION

src/libs/decoders/xxhash.h

@@ -835,7 +835,7 @@ XXH_PUBLIC_API XXH128_hash_t XXH128(const void* data, size_t len, XXH64_hash_t s
  *
  * The check costs one initial branch per hash, which is generally negligible, but not zero.
  * Moreover, it's not useful to generate binary for an additional code path
- * if memory access uses same instruction for both aligned and unaligned adresses.
+ * if memory access uses same instruction for both aligned and unaligned addresses.
  *
  * In these cases, the alignment check can be removed by setting this macro to 0.
  * Then the code will always use unaligned memory access.
@@ -1044,7 +1044,7 @@ static xxh_u32 XXH_read32(const void* memPtr)
 #endif   /* XXH_FORCE_DIRECT_MEMORY_ACCESS */
 
 
-/* ***   Endianess   *** */
+/* ***   Endianness   *** */
 typedef enum { XXH_bigEndian=0, XXH_littleEndian=1 } XXH_endianess;
 
 /*!

src/libs/gui_tk/gui_tk.cpp

@@ -2039,7 +2039,7 @@ bool ScreenSDL::event(SDL_Event &event) {
 #if defined(C_SDL2)
     /* handle mouse events only if it comes from the mouse.
      * ignore the fake mouse events some OSes generate from the touchscreen.
-     * Note that Windows will fake mouse events, Linux/X11 wil not */
+     * Note that Windows will fake mouse events, Linux/X11 will not */
     if (event.type == SDL_MOUSEMOTION || event.type == SDL_MOUSEBUTTONDOWN || event.type == SDL_MOUSEBUTTONUP) {
         if (event.button.which == SDL_TOUCH_MOUSEID) /* don't handle mouse events faked by touchscreen */
             return true;/*eat the event or else it will just keep calling objects until processed*/

src/libs/gui_tk/gui_tk.h

@@ -605,7 +605,7 @@ protected:
 	Window *const parent;
 
 	/// Child window of last button-down event
-	/** It receives all drag/up/click/doubleclick events until an up event is received */
+	/** It receives all drag/up/click/double-click events until an up event is received */
 	Window  *mouseChild;
 
     /// \c true if this window is transient (such as menu popus)
@@ -1002,7 +1002,7 @@ public:
 
 /** \brief A 24 bit per pixel RGB framebuffer aligned to 32 bit per pixel.
  *
- *  Warning: This framebuffer type varies with CPU endiannes. It is meant as
+ *  Warning: This framebuffer type varies with CPU endianness. It is meant as
  *  a testing/debugging tool.
  */
 class ScreenRGB32le : public Screen {

src/libs/porttalk/porttalk.cpp

@@ -104,7 +104,7 @@ static uint8_t ioperm[8192];
 static bool isNT = false;
 
 bool initPorttalk() {
-    // handles neded for starting service
+    // handles needed for starting service
     SC_HANDLE  ServiceManager = NULL;
     SC_HANDLE  PorttalkService = NULL;
 
@@ -148,7 +148,7 @@ bool initPorttalk() {
                     LOG_MSG("Porttalk service is not installed.");
                     break;
                 default:
-                    LOG_MSG("Error %d occured accessing porttalk dirver.",retval);
+                    LOG_MSG("Error %d occurred accessing porttalk driver.",retval);
                     break;
                 }
                 goto error;
@@ -175,7 +175,7 @@ bool initPorttalk() {
             if (porttalkhandle == INVALID_HANDLE_VALUE) {
                 // bullshit
                 LOG_MSG(
-                    "Porttalk driver could not be opened after being started successully.");
+                    "Porttalk driver could not be opened after being started successfully.");
                 return false;
             }
 

src/misc/clipboard.cpp

@@ -321,7 +321,7 @@ static void PasteInitMapSCToSDLKey()
 
 // Just in case, to keep us from entering an unexpected KB state
 const  size_t      kPasteMinBufExtra = 4;
-/// Sightly inefficient, but who cares
+/// Slightly inefficient, but who cares
 static void GenKBStroke(const UINT uiScanCode, const bool bDepressed, const SDLMod keymods)
 {
     const SDLKey sdlkey = aryScanCodeToSDLKey[uiScanCode & 0xFF];
@@ -383,7 +383,7 @@ bool PasteClipboardNext() {
             (bModCntrlOn ? KMOD_LCTRL : 0) |
             (bModAltOn ? KMOD_LALT : 0));
 
-        /// \note Currently pasteing a character is a two step affair, because if
+        /// \note Currently pasting a character is a two step affair, because if
         ///       you do it too quickly DI can miss a key press/release.
         // Could be made more efficient, but would require tracking of more state,
         // so let's forgot that for now...

src/misc/cross.cpp

@@ -526,7 +526,7 @@ FILE *fopen_wrap(const char *path, const char *mode) {
 			*last = 0;
 			//If this compare fails, then we are dealing with files in / 
 			//Which is outside the scope, but test anyway. 
-			//However as realpath only works for exising files. The testing is 
+			//However as realpath only works for existing files. The testing is 
 			//in that case not done against new files.
 		}
 		char* check = realpath(work,NULL);

src/misc/ethernet_slirp.cpp

@@ -214,7 +214,7 @@ void SlirpEthernetConnection::ClearPortForwards(const bool is_udp, std::map<int,
 		if (slirp_remove_hostfwd(slirp, is_udp, host_addr, host_port) >= 0)
 			LOG_MSG("SLIRP: Removed old %s port %d:%d forward", protocol, host_port, guest_port);
 		else
-			LOG_MSG("SLIRP: Failed removing old %s port %d:%d foward", protocol, host_port, guest_port);
+			LOG_MSG("SLIRP: Failed removing old %s port %d:%d forward", protocol, host_port, guest_port);
 
 	existing_port_forwards.clear();
 }

src/misc/ethernet_slirp.h

@@ -110,7 +110,7 @@ class SlirpEthernetConnection : public EthernetConnection {
 
 		std::list<int> registered_fds; /*!< File descriptors to watch */
 
-		// keep track of the ports fowarded
+		// keep track of the ports forwarded
 		std::map<int, int> forwarded_tcp_ports = {};
 		std::map<int, int> forwarded_udp_ports = {};
 #ifndef WIN32

src/misc/savestates.cpp

@@ -768,7 +768,7 @@ int my_miniunz(char ** savefile, const char * savefile2, const char * savedir, c
 #        endif
 
         strncpy(filename_try, zipfilename,MAXFILENAME-1);
-        /* strncpy doesnt append the trailing NULL, of the string is too long. */
+        /* strncpy doesn't append the trailing NULL, of the string is too long. */
         filename_try[ MAXFILENAME ] = '\0';
 
 #        ifdef USEWIN32IOAPI
@@ -846,7 +846,7 @@ uLong filetime(char *f, tm_zip *tmzip, uLong *dt)
       len = MAXFILENAME;
 
     strncpy(name, f,MAXFILENAME-1);
-    /* strncpy doesnt append the trailing NULL, of the string is too long. */
+    /* strncpy doesn't append the trailing NULL, of the string is too long. */
     name[ MAXFILENAME ] = '\0';
 
     if (name[len - 1] == '/')

src/misc/setup.cpp

@@ -318,7 +318,7 @@ bool Prop_int::CheckValue(Value const& in, bool warn) {
 //  if (!suggested_values.empty() && Property::CheckValue(in,warn)) return true;
     if (!suggested_values.empty()) return Property::CheckValue(in,warn);
 
-    //No >= and <= in Value type and == is ambigious
+    //No >= and <= in Value type and == is ambigiuous
     int mi = min;
     int ma = max;
     int va = static_cast<int>(Value(in));
@@ -722,7 +722,7 @@ bool Section_prop::HandleInputline(string const& gegevens) {
 	     ((val[0] == '\"'  && val[length - 1] == '\"' ) ||
 	      (val[0] == '\'' && val[length - 1] == '\''))
 	   ) val = val.substr(1,length - 2);
-    /* trim the results incase there were spaces somewhere */
+    /* trim the results in case there were spaces somewhere */
     trim(name);trim(val);
     for(it tel = properties.begin();tel != properties.end();++tel) {
         if (!strcasecmp((*tel)->propname.c_str(),name.c_str())) {
@@ -797,7 +797,7 @@ bool Config::PrintConfig(char const * const configfilename,int everything,bool n
     FILE* outfile = fopen(configfilename,"w+t");
     if (outfile == NULL) return false;
 
-    /* Print start of configfile and add a return to improve readibility. */
+    /* Print start of configfile and add a return to improve readability. */
     if (!norem) {
         fprintf(outfile,MSG_Get("CONFIGFILE_INTRO"),VERSION);
         fprintf(outfile,"\n");

src/output/direct3d/d3d_components.h

@@ -353,7 +353,7 @@ static const struct
 }
 state_table[] =
 {
-    /* Render sates */
+    /* Render states */
     {SC_RENDERSTATE, D3DRS_ZENABLE, "D3DRS_ZENABLE"}, /* 0x0 */
     {SC_RENDERSTATE, D3DRS_FILLMODE, "D3DRS_FILLMODE"},
     {SC_RENDERSTATE, D3DRS_SHADEMODE, "D3DRS_SHADEMODE"},

src/output/direct3d/hq2x_d3d.cpp

@@ -58,7 +58,7 @@ static double sign(double a) {
 
 /*
  This function calculates what percentage of a rectangle intersected by a line lies near the center of the
- cordinate system. It is mathematically exact, and well-tested for xcenter > 0 and ycenter > 0 (it's only
+ coordinate system. It is mathematically exact, and well-tested for xcenter > 0 and ycenter > 0 (it's only
  used that way). It should be correct for other cases as well, but well... famous last words :)
 */
 static double intersect_any(double xcenter, double ycenter, double xsize, double ysize, double yoffset, double gradient) {

src/output/output_surface.cpp

@@ -221,7 +221,7 @@ Bitu OUTPUT_SURFACE_SetSize()
     sdl.deferred_resize = false;
     sdl.must_redraw_all = true;
 
-    /* Fix a glitch with aspect=true occuring when
+    /* Fix a glitch with aspect=true occurring when
     changing between modes with different dimensions */
     SDL_FillRect(sdl.surface, NULL, SDL_MapRGB(sdl.surface->format, 0, 0, 0));
 #if DOSBOXMENU_TYPE == DOSBOXMENU_SDLDRAW

src/output/output_ttf.cpp

@@ -1003,7 +1003,7 @@ void GFX_EndTextLines(bool force) {
     }
 #endif
     static uint8_t bcount = 0;
-	Uint16 unimap[txtMaxCols+1];							// max+1 charaters in a line
+	Uint16 unimap[txtMaxCols+1];							// max+1 characters in a line
 	int xmin = ttf.cols;									// keep track of changed area
 	int ymin = ttf.lins;
 	int xmax = -1;

src/shell/shell.cpp

@@ -160,7 +160,7 @@ void AutoexecObject::Install(const std::string &in) {
 
 	//autoexec.bat is normally created AUTOEXEC_Init.
 	//But if we are already running (first_shell)
-	//we have to update the envirionment to display changes
+	//we have to update the environment to display changes
 
 	if(first_shell)	{
 		//create a copy as the string will be modified

src/shell/shell_batch.cpp

@@ -30,7 +30,7 @@ BatchFile::BatchFile(DOS_Shell * host,char const * const resolved_name,char cons
 	echo=host->echo;
 	shell=host;
 	char totalname[DOS_PATHLENGTH+4];
-	DOS_Canonicalize(resolved_name,totalname); // Get fullname including drive specificiation
+	DOS_Canonicalize(resolved_name,totalname); // Get fullname including drive specification
 	cmd = new CommandLine(entered_name,cmd_line);
 	filename = totalname;
 
@@ -49,7 +49,7 @@ BatchFile::~BatchFile() {
 }
 
 bool BatchFile::ReadLine(char * line) {
-	//Open the batchfile and seek to stored postion
+	//Open the batchfile and seek to stored position
 	if (!DOS_OpenFile(filename.c_str(),(DOS_NOT_INHERIT|OPEN_READ),&file_handle)) {
 		LOG(LOG_MISC,LOG_ERROR)("ReadLine Can't open BatchFile %s",filename.c_str());
 		delete this;
@@ -132,7 +132,7 @@ emptyline:
 				/* Not a command line number has to be an environment */
 				char * first = strchr(cmd_read,'%');
 
-				/* No env afterall. Ignore a single % */
+				/* No env after all. Ignore a single % */
 				if (!first) {
 					/* *cmd_write++ = '%';*/
 					//check if input contains cycles + max/auto  and that next character is space or empty

src/shell/shell_misc.cpp

@@ -1168,7 +1168,7 @@ void DOS_Shell::ProcessCmdLineEnvVarStitution(char *line) {
      * ^ WTF?
      *
      * So the below code has funny conditions to match Win95's weird rules on what
-     * consitutes valid or invalid %variable% names. */
+     * constitutes valid or invalid %variable% names. */
 
     /* continue scanning for the ending '%'. variable names are apparently meant to be
      * alphanumeric, start with a letter, without spaces (if Windows 95 COMMAND.COM is
@@ -1425,7 +1425,7 @@ continue_1:
 		/* Fill the command line */
 		CommandTail cmdtail;
 		cmdtail.count = 0;
-        memset(&cmdtail.buffer,0,CTBUF); //Else some part of the string is unitialized (valgrind)
+        memset(&cmdtail.buffer,0,CTBUF); //Else some part of the string is uninitialized (valgrind)
         if (strlen(line)>=CTBUF) line[CTBUF-1]=0;
 		cmdtail.count=(uint8_t)strlen(line);
 		memcpy(cmdtail.buffer,line,strlen(line));
@@ -1434,12 +1434,12 @@ continue_1:
 		MEM_BlockWrite(SegPhys(ss)+reg_sp+0x100,&cmdtail,CTBUF+1);
 		
 		/* Split input line up into parameters, using a few special rules, most notable the one for /AAA => A\0AA
-		 * Qbix: It is extremly messy, but this was the only way I could get things like /:aa and :/aa to work correctly */
+		 * Qbix: It is extremely messy, but this was the only way I could get things like /:aa and :/aa to work correctly */
 		
 		//Prepare string first
 		char parseline[258] = { 0 };
 		for(char *pl = line,*q = parseline; *pl ;pl++,q++) {
-			if (*pl == '=' || *pl == ';' || *pl ==',' || *pl == '\t' || *pl == ' ') *q = 0; else *q = *pl; //Replace command seperators with 0.
+			if (*pl == '=' || *pl == ';' || *pl ==',' || *pl == '\t' || *pl == ' ') *q = 0; else *q = *pl; //Replace command separators with 0.
 		} //No end of string \0 needed as parseline is larger than line
 
 		for(char* p = parseline; (p-parseline) < 250 ;p++) { //Stay relaxed within boundaries as we have plenty of room