Written by TapeLoader_LoadBytes. 1 means the load succeeded. Read by TapeLoader_Game and TapeLoader_LoadBytes.

Word index read by GameEntryPoint, PrintTextToken and FindTokenDictionaryEntry.

All dictionary words starting with "A".

All dictionary words starting with "B".

All dictionary words starting with "C".

All dictionary words starting with "D".

All dictionary words starting with "E".

All dictionary words starting with "F".

All dictionary words starting with "G".

All dictionary words starting with "H".

All dictionary words starting with "I".

All dictionary words starting with "J".

All dictionary words starting with "K".

All dictionary words starting with "L".

All dictionary words starting with "M".

All dictionary words starting with "N".

All dictionary words starting with "O".

All dictionary words starting with "P".

All dictionary words starting with "Q".

All dictionary words starting with "R".

All dictionary words starting with "S".

All dictionary words starting with "T".

All dictionary words starting with "U".

All dictionary words starting with "V".

All dictionary words starting with "W".

All dictionary words starting with "X".

All dictionary words starting with "Y".

All dictionary words starting with "Z".

Common Words read by GetCommonWord.

Eight-byte object records. CalculateObjectTableOffset multiplies an object index by 8 and adds this address. Read by CalculateObjectTableOffset, InitialiseDisplayBuffer and ProcessDisplayPointer.

Locations read by CalculateLocationOffset and FetchLocationDataPointer.

Objects read by AdjustObjectTableForSum, CheckObjectVisibility, FetchObjectDataPointer and ScanObjectsId.

Spare bytes between the object definitions and the timetable at Table_Timetable. 38256 holds 752 and the other bytes are zero.

Holds character data. Read by Game_Initialisation, InitialiseCharacterTimer, ReadCharacterTimetable, SelectSherlock, ProcessCharacterDisplay_TestDisplayFlagEnd, FindCharacter, NoteDisguiseAndReadTimetable, IsSherlockTheChinaMan and CopyClockLink.

Note for Sherlock himself the character ID can also be:

ID Byte	Character
0	"You"
1	"China Man"
100	"Old Man"

Due to Sherlock being able to wear disguises.

Pairs of character ids scanned by MatchCharacterPair until a zero word. Read by MatchCharacterPair, PointObjectListRoom and ProcessTextTokenData.

Character state record. DispatchRoomGraphics_Next sets the character record pointer here. Read by DispatchRoomGraphics.

Character state record pointed at by CopyCharacterOntoBothRecords_OtherRecord. Read by CopyCharacterOntoBothRecords.

Character state record for the action handlers. Read by CharacterAction_InspectorLestradeHelper and CopyCharacterOntoBothRecords.

Character state record. Basil's action at 40133 sets the character record pointer here. Read by CharacterAction_BasilPhipps.

Character state record for the action handlers. Read by CharacterAction_InspectorLestradeHelper.

Character state record. The following bytes through 39409+10 are data; code begins at ActionPrintHurryCatchLine. Read by CharacterAction_InspectorLestradeHelper.

Character Actions read by Handler_FindCharacterAction.

Character State: Basil Phipps read by CharacterAction_BasilPhipps and PrintObjectDescriptionText.

Counters for Watson's action at CharacterAction_Watson.

Counters for Chief Constable Strak's action at CharacterAction_ChiefConstableStrak.

Counters for the first local police man at CharacterAction_FirstLocalPoliceMan.

Counters for the second local police man at CharacterAction_SecondLocalPoliceMan.

Police flag tested by CharacterAction_ChiefConstableStrak and CharacterAction_FirstLocalPoliceMan. Read by CharacterAction_ChiefConstableStrak, CharacterAction_FirstLocalPoliceMan, CharacterAction_SecondLocalPoliceMan, CharacterAction_InspectorLestrade and ReadSherlocksDisguise.

Character State: Daphne Strachan read by CharacterAction_DaphneStrachan.

Character State:Cook read by CharacterAction_Cook.

Character State: Gardener read by CharacterAction_Gardener.

One id byte and a pointer to a display record, ended by 255. A record is two bytes, plus two when bit 6 is set and five when bit 4 is set. Read by ProcessObjectDisplayLogic_SavedCharacterMove.

Saved character-list pointer written by SaveGameState and read by LoadGameState.

Stores the current room ID used in room display scripts. Read by ProcessRoomDisplayParameter, AllocateMemoryAndStoreCharacter, GetScriptPointerFromTimetable, UpdateScriptPointer, ParseInput, DescribeObjectIfPresent and CheckCharacterForRoomGraphics.

Stores a location reference value used in room display scripts (a 2-byte value that can be accessed as high or low byte via special parameters). Read by ProcessDisplayRecord, ProcessRoomDisplayParameter, GetScriptPointerFromTimetable, UpdateScriptPointer, ParseInput and DescribeObjectIfPresent.

Currently Processed Character Command Position read by ProcessObjectDisplayEntry, DispatchCharacterScript, GetCurrentScriptState and GetScriptPointer.

Currently Processed Character Timetable Pointer read by ProcessObjectDisplayEntry, ProcessCharacterAction, ScriptInterpreter and GetCurrentScriptState.

Holds a value between 0000 to 65535 and just keeps incrementing all throughout the game. Read by Game_Initialisation, InitialiseCharacterTimer and Handler_GameClock.

Holds the current in-game hours and minutes. Read by Handler_DateBar, Handler_GameClock and DescribeObjectIfPresent.

Represents the current day of the week, where:

Byte	Day
0	Mon
1	Tue
2	Wed
3	Thu
4	Fri
5	Sat
6	Sun

Read by Handler_DateBar, Handler_GameClock, PrintObjectDescriptionText and PlaceCharacter.

See Handler_DateBar.

Holds just the "a" and the "p" for AM and PM, as the "m" is already in the string and so doesn't change. Read by AdvanceGardenerAfterMove, Handler_DateBar, Handler_GameClock, GetTimePeriod, DescribeObjectIfPresent and ActionRoomAndCharacterFlags.

Clock workspace beside the current time. Clock flag beside the time word at 40933.

Clock workspace beside the current time. Read by StoreResultHighByte and CopyClockLink.

Saved pointer beside the character lists. Read by DispatchCharacterScript and FindCharacterSavedPointer.

Pointer to the head of the linked list of character entries. Read by DispatchCharacterScript, AllocateMemoryAndStoreCharacter and GetScriptPointer.

Pointer to the head of the character script entry list. Read by RecordResultCharacterScript, FindCharacterScriptEntry_StartSearch and ParseInput.

Link word beside the character lists. Read by FollowLinkPointer, ReadPointerFirstDisplay, CopyPointerToStack and 52671.

Input flag cleared with the parser workspace. Read by RecordInputFlag and 50148.

Stores the result of checking if Sherlock is wearing the China Man disguise (255 if not, otherwise the attribute byte). Read by ReadSherlocksDisguise, PrintMessageAndInitialiseTimer, ReadCharacterTimetable, CheckCharacterDisguise, ProcessCharacterDisplay_TestDisplayFlagEnd, IsSherlockTheChinaMan, SpecialCaseObject_LooksBasilPhipps and 61383.

Stores the attribute value of the currently processed character (from offset +15 in character data). Read by ReadRoomDisplayParameter, PlaceCharacterBesideMatch, PrintMessageAndInitialiseTimer, AdvanceGardenerAfterMove, CheckObjectLocationMatch, ProcessDisplayRecord, SetCharacterPointerAndID, DescribeCurrentRoom, ParseInputNumber, CheckCharacterID, StoreMatchedCharacterRoom, MeasureGapBetweenTwoPointers_Next, SpecialCaseObject_LooksBasilPhipps, PlaceCharacter and FindResponseForThisId.

Parser flag. Read by PrintTextAndHandleControlCharacters, InitialiseDisplayBuffer, ProcessDisplayAction, ProcessDisplayRecordFromScript, ReadHighByteSource, ProcessDisplayRecord, ProcessDisplayWithLocationCheck and ParseInput.

Parser flag. Read by ProcessObjectDisplay, PrintTextAndHandleControlCharacters, ProcessDisplayRecord and SelectSherlock.

Parser workspace word. Read by ReadParserWorkspace.

Controls the display mode for room/object processing (values 5, 7, etc.). Read by ProcessObject_Display, ReportEmptyDisplayStep, FindFirstNoun, SelectJumpIfNotZero, ReadDisplayModeForPicture, CheckDisplayBitsThreeAndSeven, ProcessDisplayAction, CopyRecordFlagNibble, ProcessDisplayRecordFromScript, SetObjectPointers, ProcessObjectDisplayLogic, CheckCharacterDisguise, ShowRoomDescription and ParseInputNumber.

Set at the game entry point unless the player presses N. CheckTextTokenMatch skips picture lookup when this is zero. Read by GameEntryPoint and CheckTextTokenMatch.

Pointer to the object being processed. Read by SetObjectPointers, ProcessObjectDisplayLogic, ProcessDisplayRecord, CopySavedCharacterIdentifier, ApplyRoomDisplay, DescribeObjectIfPresent, SetCurrentObjectBitFive, ClearCurrentObjectBitFive, StoreCharacterAttribute, CombineCharacterRoom, PrintObjectDescriptionText, SpecialCaseObject_LooksBasilPhipps, PlaceCharacter, FindResponseForThisId, RecordResultRoomDisplay, CheckCharacterForRoomGraphics, CopyClockLink, ProcessCharacterAttribute, CopyCharacterOntoBothRecords and ActionRoomAndCharacterFlags.

Secondary object or character pointer. Read by SetObjectPointers, StoreCharacterAttribute, CombineCharacterRoom, PlaceCharacter, CopyClockLink and CopyCharacterOntoBothRecords.

Current Character Data read by PlaceCharacterBesideMatch, MarkObjectAndJump, CheckObjectInCharacterLocation, UpdateCharacterStateAndLocation, ProcessObjectDisplayLogic, SetCharacterPointerAndID, CheckObjectVisibility, FetchCurrentCharacterLocation, PrintObjectList, CopySavedCharacterIdentifier, ReadScheduleEntryFromCurrentCharacter, PlaceCharacter, ReadSourceDisplayPointer, CheckCharacterForRoomGraphics and CopyClockLink.

Cleared by the command parser. Read by ClearDisplayLines, InitialiseScreenDisplay, ProcessScreenCharacter and ParseInput.

Cleared with 54968 at the game entry point. Read by GameEntryPoint, 43716, StartPictureModeScreenIdle, ApplySavedClause, MatchWordAgainstEarlierClause, TestSourceBitOne, UnlinkNextDisplayRecord, ParseInput and IgnoreInputUntilGameHasStarted.

Display flag. Read by InitialiseDisplayBuffer, CheckFlagAndSetDisplay_CheckObjects, ProcessScriptDisplay, ParseInput and RecordParserFailure.

Stores the second attribute value extracted from object data. Read by ExtractObjectAttributes, ProcessObjectDisplay, ProcessObject_Display, InitialiseDisplayBuffer, ReadObjectAttribute, SwapObjectDisplayPointers, FindFirstNoun, MatchSecondNoun, CheckDisplayBitsThreeAndSeven, CheckDisplayBitsTwoAndSix, ProcessDisplayAction and AcceptGraphicsParameter.

Display flag. Read by ExtractObjectAttributes, ProcessObject_Display, InitialiseDisplayBuffer, SwapObjectDisplayPointers, CheckDisplayBitsThreeAndSeven and CheckDisplayBitsTwoAndSix.

Character Script Cycles read by ReadRoomDisplayParameter, Game_Initialisation, InitialiseCharacterTimer, StartFreshScriptCycle, CalculateLocationOffset, ProcessDisplayRecord, NoteDisguiseAndReadTimetable, DispatchCharacterScript, TerminateCharacterScript, ParseInput and DescribeObjectIfPresent.

Match flag cleared by TestLowBitsOfCharacter_ClearFlag and set by TestLowBitsOfCharacter_MarkMatched.

Token Value Buffer read by PrintTextToken.

Command mode copied onto a new display record by 47356. Read by 43716, StartPictureModeScreenIdle, CopyDisplayIfNeeded, CheckDisplayMode, ApplySavedClause, MatchWordAgainstEarlierClause, SearchCommandHandlerTable, SetDisplayMode_SelectsPictureMode, SelectPictureModeAlternate, ReadPointerFirstDisplay and ParseInput.

Print Position Flag read by Print_Character and Print_Character_ProcessCharacter.

Token Format Flag read by PrintHyphen, 43029, PrintTextToken, Print_Character_ProcessCharacter and ParseInput.

Print Mode Flag read by ActionPrintOpeningText, ProcessObjectDisplay, PrintTokenBasedOnParameters, Print_Character, CheckTVFlagAndProcess, ReportSuccess, CheckFlagAndJumpToNewline, ParseInput and ReadCommandLine.

Flag indicating the source of object processing: 0 for current character/text token, 1 for room display/graphics parameters. Read by ProcessObject_Display, ProcessTextTokenAndCallHandler, ReadParserWorkspace, ReadCharacter, ProcessObjectAttribute, 53702, CheckObjectAttributeWithFlag and PrintFormattedObjectList.

Saved copy of the text pointer. Used by 43776, ReadObjectProcessingFlag, 43887, 43907, 44246, SaveTextPointer, 45202, 47267, 55029 and 55757.

Text pointer being walked. FollowLinkPointer_CopyLink and ReadPointerFirstDisplay also store the word from 47208 here. Used by 43739, 43779, 43790, ReadObjectProcessingFlag, 43887, 43907, 44252, ApplySavedClause_RestoreWord, SaveTextPointer, SaveTextPointer_RecordObjectProcessing, 45165, FollowLinkPointer_CopyLink, ReadPointerFirstDisplay, ReadPointerFirstDisplay_ObjectProcessingSource, 55176 and 55191.

Source byte saved beside the text pointer. Used by 43831, 44678 and RecordInputFlag_UseGameState.

Set when a location field matches, and cleared before the display scan. It is written but never read back by address. Used by 42217 and 46041.

Stores the display pointer for special display mode. Read by ProcessObject_Display, CheckFlagAndSetDisplay, TestLowBitsOfCharacter, DescribeObjectIfPresent, ReadSourceDisplayPointer and StoreResultHighByte.

Saved character id written by the display handlers. Read by ProcessObjectDisplay, InitialiseDisplayBuffer, ProcessScriptDisplay, ProcessDisplayAction, ProcessObjectDisplayLogic, ReadSavedCharacter, 52671, 52760, ReadCharactersRoom, RunSimpleAction, ParseInput, RecordParserFailure, ParseInputNumber, ApplyRoomDisplay, RecordResultRoomDisplay and CheckCharacterForRoomGraphics.

Room Display Parameter read by ReadRoomDisplayParameter, PlaceCharacterBesideMatch, MarkObjectAndJump, ProcessCharacterActionParameter, CharacterAction_InspectorLestrade, ProcessObjectDisplay, ReadCharacter, ProcessObjectAttribute, PrintTextToken, InitialiseDisplayBuffer, CheckFlagAndSetDisplay, CheckFlagAndSetDisplay_ProcessPointer, CheckFlagAndSetDisplay_CheckObjects, ReadPointerFirstDisplay, ProcessScriptDisplay, ProcessDisplayAction, ProcessDisplayRecordFromScript, TestLowBitsOfCharacter, SetObjectPointers, ProcessObjectDisplayLogic, ProcessDisplayRecord, CheckCharacterDisguise, GetDisplayAddressBasedOnFlag, ShowRoomDescription, 52671, 52760, HandleRoomDisplay, ClearRoomDisplayParameters, RunSimpleAction, AllocateMemoryAndStoreCharacter, LookUpRoomDisplayParameter, ParseInput, ParseInputNumber, ApplyRoomDisplay, DescribeObjectIfPresent, CombineCharacterRoom, PrintObjectDescriptionText, PlaceCharacter, LookupAndPrintDisplayText, FindResponseForThisId, RecordResultRoomDisplay, ReadSourceDisplayPointer, CheckCharacterForRoomGraphics, DispatchLookedUpHandler, StoreResultHighByte, CopyClockLink, ProcessCharacterAttribute, CopyCharacterOntoBothRecords, RejectLowerCharacterId and ActionRoomAndCharacterFlags.

Room Graphics Parameter read by MeasureCharacterDistance, ReadCharacter, InitialiseDisplayBuffer, ReadRoomGraphicsParameter, CheckFlagAndSetDisplayParameter, TestEndMarker, ProcessScriptDisplay, ProcessDisplayAction, AcceptGraphicsParameter, RecordResultRoomGraphics_CountCountRemaining, ProcessDisplayRecordFromScript, AcceptSetGraphicsParameter, RecordResultRoomGraphics_CountGraphicsSteps, TestLowBitsOfGraphics, SetObjectPointers, ProcessDisplayRecord, 52760, HandleRoomDisplay, ClearRoomDisplayParameters, RunSimpleAction, StoreCharacterAttribute, CombineCharacterRoom, DispatchRoomGraphics, RecordResultRoomDisplay, ReadCharacterTextPointers, StoreResultHighByte, CopyClockLink and ProcessCharacterAttribute.

Currently Processed Character ID read by ActionPrintOpeningText, MeasureCharacterDistance, PlaceCharacterBesideMatch, Handler_FindCharacterAction, AdvanceGardenerAfterMove, CheckAndResetCharacterState, ProcessObject_Display, ReadCharacter, ProcessObjectAttribute, PrintTextToken, CheckCharacterBeingProcessed, ProcessCharacterDisplay, TestSeventhMarker, CheckObjectLocationMatch, ReadCharacterTimetable, CheckCharacterDisguise, ProcessDisplayWithLocationCheck, SelectSherlock, ProcessCharacterDisplay_TestDisplayFlagEnd, SetCharacterPointerAndID, ProcessCharacterAction, DispatchCharacterScript, ProcessRoomDisplayParameter, AllocateMemoryAndStoreCharacter, FindCharacterScriptEntry, DescribeCurrentRoom, PrintLocationText, CheckCharacterIDRange, CheckObjectMatchCriteria, CheckCharacterID, ApplyRoomDisplay, CompareCurrentCharacter, StoreMatchedCharacterRoom, MeasureGapBetweenTwoPointers_Next, CombineCharacterRoom, SpecialCaseObject_LooksBasilPhipps, PlaceCharacter, FindResponseForThisId, RecordResultRoomDisplay, ReadCharacterTextPointers, ReadSourceDisplayPointer, CheckCharacterForRoomGraphics, StoreResultHighByte, FindCharacterSavedPointer, CopyClockLink, ProcessCharacterAttribute and 61363.

Copy of the memory refresh register, stored at the game entry point. Read by GameEntryPoint and ScaleTheRoll.

Stores bit 0 of the object attribute value (from ObjectAttributeValue). Read by FindFirstNoun, MatchSecondNoun, PointObjectListRoom, ProcessObjectEntry and ProcessObjectEntryAlternate.

Workspace between the pointer routines. Read by AllocateMemory.

Eight token words. PrintTokenBasedOnParameters indexes them from the token parameter, and uses the half at 41557 when the print mode or the object display flag is set. Used by PrintTokenBasedOnParameters.

Object Display Flag read by ProcessObjectDisplay, PrintTokenBasedOnParameters, PrintLocationText and PrintObjectDescription.

Scratch copy of an object id and two room bytes. ProcessObjectDisplay stores the id from 41011 and the room word from RoomDisplayParameter. 52671 stores three record bytes here and copies them back. Used by ProcessObjectDisplay, ProcessObject_Display and 52671.

Control Character Jump Table read by TestSpace.

Word FetchNextTextToken reads the next text token through, stepping it on two bytes. PrintTextAndHandleControlCharacters also keeps the caller's stack pointer here while a message is printed. Used by PrintTextAndHandleControlCharacters and FetchNextTextToken.

Count of alternatives still to print or skip. Used by PrintRandomAlternative.

The alternative PrintRandomAlternative picked at random, counted from 1. Used by PrintRandomAlternative.

Cleared by CheckTokenMatchAndSetFlag, then set when the token is not the special match. CheckObjectHasSpecialDescription clears it again unless bit 6 of the record is set, and 43029 folds it into the token format flag. Used by CheckTokenMatchAndSetFlag, 43029 and CheckObjectHasSpecialDescription.

Lowercase Handling Flag read by ToggleLowercaseHandling and Print_Character_ProcessCharacter.

Format data entries indexed by format type (0-8). Each entry is 4 bytes that are copied to the format buffer. Read by ProcessTextTokenFormat.

Pointer into the word buffer at WordBuffer. Read and written by Print_Character; reset to WordBuffer by 43510 after the buffered word is printed.

Words indexed by the object attribute minus 1. Each word points at a display record. A record is two bytes, plus two when bit 6 is set and five when bit 4 is set. Read by 51558.

Four bytes at the start of the co-ordinate buffer cleared by ClearCoordinateBuffer. Read by ClearCoordinateBuffer, PointPictureOrigin and CopyDisplayDataToDisplayBuffer.

6-byte buffer used for storing co-ordinate pairs and related display data. Read by StartPictureModeScreenIdle, ClearCoordinateBuffer and ProcessLocationDisplay.

Lookup table for command handlers when *40996 is not equal to 2. Each entry consists of a 1-byte first value, a 1-byte second value, and a 2-byte handler pointer. Read by SearchCommandHandlerTable.

Lookup table for command handlers when *40996 is equal to 2. Each entry consists of a 1-byte first value, a 1-byte second value, and a 2-byte handler pointer. Read by SearchCommandHandlerTable.

Flag byte for display processing (bit 1 indicates objects have been processed). Read by InitialiseDisplayBuffer, SwapObjectDisplayPointers, CheckFlagAndSetDisplay_ProcessPointer, UnlinkNextDisplayRecord and SelectJumpIfNotZero.

Pointer to display data used for processing room displays. Read by InitialiseDisplayBuffer, SwapObjectDisplayPointers, CheckFlagAndSetDisplay, CheckFlagAndSetDisplay_ProcessPointer, UnlinkNextDisplayRecord, SelectJumpIfNotZero, CalculateObjectPointerOffset and ReadCharacterRecordWord.

Flag controlling display mode (bit 7 indicates special display mode). Read by CheckFlagAndSetDisplay, FindFirstNoun and SelectJumpIfNotZero.

Pointer to the current position in the object table being processed. Read by ReadDisplaySetupFlag, ReportEmptyDisplayStep, FindFirstNoun, ProcessScriptDisplay and ParseInput.

Display flag beside ProcessDisplayPointer. Read by InitialiseDisplayBuffer and ProcessDisplayPointer.

Flag indicating whether the display has been set up (FF = not set up, 00 = set up). Read by ReadDisplaySetupFlag, ReportEmptyDisplayStep and CheckFlagAndSetDisplay.

Display flag beside CheckFlagAndSetDisplayParameter. Read by ReadSecondaryDisplayFlag, ReportNextEmptyDisplayStep and CheckFlagAndSetDisplayParameter.

Two display pointers. 46952 reads the character record from the first, and 46944 reads the saved display pointer from the second. Read by ProcessLocationDisplay and ProcessTextTokenStream.

Display flag beside the character-attribute routine. Read by ProcessLocationDisplay and ProcessTextTokenStream.

Character record pointer kept while its object attribute is read. Written by 47377 and read by 47467, 47546 and CopyLinkAhead.

Flag word copied from the character record while its link is followed. Written by 47226 and read by FollowLinkPointer_CopyLink and ReadPointerFirstDisplay.

Display flag beside the script display. Read by ProcessScriptDisplay, CheckFlagAndJumpToNewline and DispatchCharacterScript.

Pointer used while copying a character display. Read by PointObjectListRoom and ReadCharacterRecordWord.

Messaging: Current Date read by Handler_DateBar.

Screen mode. ResetScreenDisplay clears it and the surrounding code stores 1 or 2. Read by InitialiseScreenDisplay, ResetScreenDisplay, ProcessScreenCharacter and UpdateScreenDisplay.

Storage Decorative Line Width read by DrawDecorativeLine, PrintScreenCharacter, RecordResultStorageDecorative and HandleBackspaceKey.

Screen Width read by Print_Character, InitialiseScreenDisplay and ProcessScreenCharacter.

Storage Decorative Line Screen Position read by DrawDecorativeLine, PrintScreenCharacter and RecordResultStorageDecorative.

Initialised with the decorative-line position. Read by InitialiseScreenDisplay and ProcessScreenCharacter.

Column read by 49664 while printing. Read by DrawDecorativeLine, PrintScreenCharacter and RecordResultStorageDecorative.

Set by a display record's code to skip the disguise check at CheckCharacterDisguise. Cleared by ProcessDisplayRecord_RunFollowingCode, tested by 51820, and set by 57163, 57608 and 57664.

52020 saves IX here and IY at 52010. RunDisplayRecordCode brings both back before the next display record runs. Used by RunDisplayRecordCode and 52020.

Bit mask GetDisplayAddressBasedOnFlag rotates to pick a token word. Bit 7 selects the table at 50305. 52090 keeps the room parameter copied back to RoomDisplayParameter. Used by ReadHighByteSource and GetDisplayAddressBasedOnFlag.

Count of script commands ProcessScriptCommandWithCounter has run. ProcessCharacterAction clears it, and DispatchCharacterScript stops the script when it reaches 10. 52237 records whether the character was found in the display list. Used by ProcessCharacterAction, DispatchCharacterScript and ProcessScriptCommandWithCounter.

Tokens read by ProcessLocationToken.

Direction Tokens read by GetDirectionToken.

Flag that enables location token processing in ProcessLocationToken. When set to 1 location token data is processed and when 0 processing is skipped. Read by ProcessLocationToken and ParseInputNumber.

Object Attribute Description Text Tokens read by PrintObjectAttributeDescription.

54968 is cleared at the game entry point. 54968+5 holds the parser pointer for the routines below. Read by GameEntryPoint, ParseInput, ReleaseNextDisplayRecord and RecordParserFailure.

Set while the command line is inside quotation marks. Set by ReadCommandLine_Loop, toggled by 55542 and 55560, and read by ReadCommandLine_CommandMarkerLeave.

Input pointer saved while the dictionary is measured. Written by SkipSpaces_SaveInputPointer and read by SkipSpaces_ReadInputPointer.

Address in the dictionary text, saved while a word is matched. Written by 55888 and read by SkipSpaces_MeasureDictionary.

Room record 56612 stores after the lookup. Read by DispatchScheduleMarker and 58611.

The low byte is the room id StoreMatchedCharacterRoom_0 stores before the lookup, or zero when that room was 255. DispatchScheduleMarker reads it. The high byte stays zero.

Lookup table for LookupAndPrintDisplayText. It maps room display parameter values to text token pointers. Each entry consists of a 1-byte parameter value followed by a 2-byte pointer to a text token buffer.

One byte for each fill direction. DrawingFill records whether a seed is already saved for that row. Read by DrawingFill.

Ink byte stored by DrawingFill and shifted into the attribute of the plotted pixel by PlotPixel.