MediaWiki:Sitenotice:
2025-12-29: I have restored the wiki to a backup from the end of November. Starting in September 2025, accesses went form the 800MB-1.2GB range per month to 26GB in September, 42GB in October, and 70GB in November with most accesses originating from China. As soon as I realized what was causing all the access problems in November, I shut it down (it had reached 36GB by then) behind a password/login screen. The database had gotten corrupted, and I tried a restore from just before the spike in access but that didn't work. Thus, end of November. I still have the other daily backups so if there were any important additions in December, let me know and maybe they can be recovered. - Allen H.

BASIC:BASIC: Difference between revisions

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adding BASIC: namespace. Need to add friendly link to hide the BASIC: from the html output
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! Module || Keyword || Description
! Module || Keyword || Description
|-
|-
| CB || [[BASIC:BASIC:ABS|ABS]] || Get absolute value of a signed number
| CB || [[BASIC:BASIC:ABS | ABS]] || Get absolute value of a signed number
|-
|-
| CB || [[BASIC:+]] || Addition operator
| CB || [[BASIC:+ | +]] || Addition operator
|-
|-
| CB || [[BASIC:AND]] || Boolean / Logical AND operator
| CB || [[BASIC:AND | AND]] || Boolean / Logical AND operator
|-
|-
| CB || [[BASIC:ASC]] || ASCII code of first letter of string
| CB || [[BASIC:ASC | ASC]] || ASCII code of first letter of string
|-
|-
| ECB || [[BASIC:ATN]] || Returns arctangent in radians
| ECB || [[BASIC:ATN | ATN]] || Returns arctangent in radians
|-
|-
| SECB || [[BASIC:ATTR]] || Set the display attributes of a high-resolution text screen  
| SECB || [[BASIC:ATTR | ATTR]] || Set the display attributes of a high-resolution text screen  
|-
|-
| CB || [[BASIC:AUDIO]] || Control the audio source
| CB || [[BASIC:AUDIO | AUDIO]] || Control the audio source
|-
|-
| DECB || [[BASIC:BACKUP]] || Duplicates the contents of the disk in the source drive on the disk in the destination drive
| DECB || [[BASIC:BACKUP | BACKUP]] || Duplicates the contents of the disk in the source drive on the disk in the destination drive
|-
|-
| SECB || [[BASIC:BRK]] || Jump to a line number when the BREAK key is pressed
| SECB || [[BASIC:BRK | BRK]] || Jump to a line number when the BREAK key is pressed
|-
|-
| SECB || [[BASIC:BUTTON]] || Return if a Joystick Button is being pressed or not
| SECB || [[BASIC:BUTTON | BUTTON]] || Return if a Joystick Button is being pressed or not
|-
|-
| CB || [[BASIC:CHR$]] || Convert number to Control, ASCII, or graphics code string
| CB || [[BASIC:CHR$ | CHR$]] || Convert number to Control, ASCII, or graphics code string
|-
|-
| ECB || [[BASIC:CIRCLE]] || Draws a circle with center at point (x,y) radius r, specified color c and height/width ratio  
| ECB || [[BASIC:CIRCLE | CIRCLE]] || Draws a circle with center at point (x,y) radius r, specified color c and height/width ratio  
|-
|-
| CB || [[BASIC:CLEAR]] || Clear RAM for string space
| CB || [[BASIC:CLEAR | CLEAR]] || Clear RAM for string space
|-
|-
| CB || [[BASIC:CLOAD]] || Cassette load
| CB || [[BASIC:CLOAD | CLOAD]] || Cassette load
|-
|-
| CB || [[BASIC:CLOSE]] || Close files
| CB || [[BASIC:CLOSE | CLOSE]] || Close files
|-
|-
| CB || [[BASIC:CLS]] || Clear screen
| CB || [[BASIC:CLS | CLS]] || Clear screen
|-
|-
| SECB || [[BASIC:CMP]] || Set palette to composite defaults
| SECB || [[BASIC:CMP | CMP]] || Set palette to composite defaults
|-
|-
| ECB || [[BASIC:COLOR]] || Sets foreground and background color
| ECB || [[BASIC:COLOR | COLOR]] || Sets foreground and background color
|-
|-
| CB || [[BASIC:CONT]] || Continue the program from a stop
| CB || [[BASIC:CONT | CONT]] || Continue the program from a stop
|-
|-
| DECB || [[BASIC:COPY]] || Copies the contents of filename1 to filename2
| DECB || [[BASIC:COPY | COPY]] || Copies the contents of filename1 to filename2
|-
|-
| ECB || [[BASIC:COS]] || Return cosine of an angle given in radians
| ECB || [[BASIC:COS | COS]] || Return cosine of an angle given in radians
|-
|-
| CB || [[BASIC:CSAVE]] || Cassette save
| CB || [[BASIC:CSAVE | CSAVE]] || Cassette save
|-
|-
| DECB || [[BASIC:CVN]] || Convert a 5-byte coded string created by MKN$ back to the number it represents
| DECB || [[BASIC:CVN | CVN]] || Convert a 5-byte coded string created by MKN$ back to the number it represents
|-
|-
| CB || [[BASIC:DATA]] || Store data within a program
| CB || [[BASIC:DATA | DATA]] || Store data within a program
|-
|-
| ECB || [[BASIC:DEF]] || Defines numeric function
| ECB || [[BASIC:DEF | DEF]] || Defines numeric function
|-
|-
| ECB || [[BASIC:DEL]] || Deletes program lines
| ECB || [[BASIC:DEL | DEL]] || Deletes program lines
|-
|-
| CB || [[BASIC:DIM]] || Set aside memory for arrays
| CB || [[BASIC:DIM | DIM]] || Set aside memory for arrays
|-
|-
| DECB || [[BASIC:DIR]] || Displays a directory of the disk in the drive you specify
| DECB || [[BASIC:DIR | DIR]] || Displays a directory of the disk in the drive you specify
|-
|-
| CB || / || Division operator
| CB || / || Division operator
|-
|-
| ECB || [[BASIC:DLOAD]] || Loads BASIC program at specified baud
| ECB || [[BASIC:DLOAD | DLOAD]] || Loads BASIC program at specified baud
|-
|-
| DECB || [[BASIC:DOS]] || With the OS-9 system diskette in drive 0, the DOS command boots the OS-9 operating system
| DECB || [[BASIC:DOS | DOS]] || With the OS-9 system diskette in drive 0, the DOS command boots the OS-9 operating system
|-
|-
| ECB || [[BASIC:DRAW]] || Draws a line beginning at specified starting point of specified length and color
| ECB || [[BASIC:DRAW | DRAW]] || Draws a line beginning at specified starting point of specified length and color
|-
|-
| DECB || [[BASIC:DRIVE]] || Changes the default drive to the drive you specify
| DECB || [[BASIC:DRIVE | DRIVE]] || Changes the default drive to the drive you specify
|-
|-
| DECB || [[BASIC:DSKI$]] || Inputs data from a particular sector with in a particular track on the disk in the drive you specify
| DECB || [[BASIC:DSKI$ | DSKI$]] || Inputs data from a particular sector with in a particular track on the disk in the drive you specify
|-
|-
| DECB || [[BASIC:DSKINI]] || Formats a disk in the drive you specify
| DECB || [[BASIC:DSKINI | DSKINI]] || Formats a disk in the drive you specify
|-
|-
| DECB || [[BASIC:DSKO$]] || Writes string data on sector, track, and drive number you specify
| DECB || [[BASIC:DSKO$ | DSKO$]] || Writes string data on sector, track, and drive number you specify
|-
|-
| ECB || [[BASIC:EDIT]] || Allows editing of program line
| ECB || [[BASIC:EDIT | EDIT]] || Allows editing of program line
|-
|-
| CB || [[BASIC:END]] || The end of the program
| CB || [[BASIC:END | END]] || The end of the program
|-
|-
| CB || [[BASIC:EOF]] || End of file
| CB || [[BASIC:EOF | EOF]] || End of file
|-
|-
| CB || [[BASIC:ELSE]] || Alternate conditional statement
| CB || [[BASIC:ELSE | ELSE]] || Alternate conditional statement
|-
|-
| CB || = || Equality operator
| CB || = || Equality operator
|-
|-
| SECB || [[BASIC:ERLIN]] || Returns the BASIC line number where an error has occurred
| SECB || [[BASIC:ERLIN | ERLIN]] || Returns the BASIC line number where an error has occurred
|-
|-
| SECB || [[BASIC:ERR]] || Jump to a line number when an error occurs
| SECB || [[BASIC:ERR | ERR]] || Jump to a line number when an error occurs
|-
|-
| SECB || [[BASIC:ERRNO]] || Returns the BASIC error number for the error that has occurred
| SECB || [[BASIC:ERRNO | ERRNO]] || Returns the BASIC error number for the error that has occurred
|-
|-
| CB || [[BASIC:EVAL]] || Evaluate a numeric expression
| CB || [[BASIC:EVAL | EVAL]] || Evaluate a numeric expression
|-
|-
| CB || [[BASIC:EXEC]] || EXECute code at address
| CB || [[BASIC:EXEC | EXEC]] || EXECute code at address
|-
|-
| CB || [[BASIC:EXP]] || Generates ?SN in Color BASIC, implemented in Extended Color BASIC
| CB || [[BASIC:EXP | EXP]] || Generates ?SN in Color BASIC, implemented in Extended Color BASIC
|-
|-
| ECB || [[BASIC:EXP]] || Returns natural exponential of number
| ECB || [[BASIC:EXP | EXP]] || Returns natural exponential of number
|-
|-
| DECB || [[BASIC:FIELD]] || Organizes the space within a direct access buffer into fields
| DECB || [[BASIC:FIELD | FIELD]] || Organizes the space within a direct access buffer into fields
|-
|-
| DECB || [[BASIC:FILES]] || Tell the computer the number of buffers to reserve in memory
| DECB || [[BASIC:FILES | FILES]] || Tell the computer the number of buffers to reserve in memory
|-
|-
| ECB || [[BASIC:FIX]] || Returns truncated (whole number) value
| ECB || [[BASIC:FIX | FIX]] || Returns truncated (whole number) value
|-
|-
| CB || [[BASIC:FOR]] || Start a loop
| CB || [[BASIC:FOR | FOR]] || Start a loop
|-
|-
| DECB || [[BASIC:FREE]] || Returns to the number of free granules on the disk in the drive you specify
| DECB || [[BASIC:FREE | FREE]] || Returns to the number of free granules on the disk in the drive you specify
|-
|-
| ECB || [[BASIC:GET]] || Reads the graphic contents of a rectangle into an array for future use by PUT
| ECB || [[BASIC:GET | GET]] || Reads the graphic contents of a rectangle into an array for future use by PUT
|-
|-
| CB || [[BASIC:GO]] || Jump to line number
| CB || [[BASIC:GO | GO]] || Jump to line number
|-
|-
| CB || > || Greater Than operator
| CB || > || Greater Than operator
|-
|-
| SECB || [[BASIC:HBUFF]] || Reserves an area in memory for high-resolution graphics
| SECB || [[BASIC:HBUFF | HBUFF]] || Reserves an area in memory for high-resolution graphics
|-
|-
| SECB || [[BASIC:HCIRCLE]] || Draws a circle on the high-resolution graphics screen
| SECB || [[BASIC:HCIRCLE | HCIRCLE]] || Draws a circle on the high-resolution graphics screen
|-
|-
| SECB || [[BASIC:HCLS]] || Clear the high-resolution graphics screen to a specified color
| SECB || [[BASIC:HCLS | HCLS]] || Clear the high-resolution graphics screen to a specified color
|-
|-
| SECB || [[BASIC:HCOLOR]] || Set foreground and background color on the high-resolution graphics screen
| SECB || [[BASIC:HCOLOR | HCOLOR]] || Set foreground and background color on the high-resolution graphics screen
|-
|-
| SECB || [[BASIC:HDRAW]] || Draws on the high-resolution screen from a command string
| SECB || [[BASIC:HDRAW | HDRAW]] || Draws on the high-resolution screen from a command string
|-
|-
| ECB || [[BASIC:HEX$]] || Computes hexadecimal value
| ECB || [[BASIC:HEX$ | HEX$]] || Computes hexadecimal value
|-
|-
| SECB || [[BASIC:HGET]] || Stores a rectangle from the high-resolution screen into a buffer
| SECB || [[BASIC:HGET | HGET]] || Stores a rectangle from the high-resolution screen into a buffer
|-
|-
| SECB || [[BASIC:HLINE]] || Draws a line on the high-resolution graphics screen
| SECB || [[BASIC:HLINE | HLINE]] || Draws a line on the high-resolution graphics screen
|-
|-
| SECB || [[BASIC:HPAINT]] || Paints an area on the high-resolution graphics screen
| SECB || [[BASIC:HPAINT | HPAINT]] || Paints an area on the high-resolution graphics screen
|-
|-
| SECB || [[BASIC:HPOINT]] || Returns information on point x,y from the high-resolution graphics screen
| SECB || [[BASIC:HPOINT | HPOINT]] || Returns information on point x,y from the high-resolution graphics screen
|-
|-
| SECB || [[BASIC:HPRINT]] || Prints a message on the high-resolution graphics screen
| SECB || [[BASIC:HPRINT | HPRINT]] || Prints a message on the high-resolution graphics screen
|-
|-
| SECB || [[BASIC:HPUT]] || Copies graphics from a buffer to a rectangle on the high-resolution graphics screen
| SECB || [[BASIC:HPUT | HPUT]] || Copies graphics from a buffer to a rectangle on the high-resolution graphics screen
|-
|-
| SECB || [[BASIC:HRESET]] || Resets a point on the high-resolution graphics screen to the background color
| SECB || [[BASIC:HRESET | HRESET]] || Resets a point on the high-resolution graphics screen to the background color
|-
|-
| SECB || [[BASIC:HSCREEN]] || Select and clear high-resolution graphics screen
| SECB || [[BASIC:HSCREEN | HSCREEN]] || Select and clear high-resolution graphics screen
|-
|-
| SECB || [[BASIC:HSET]] || Set point x,y on the high-resolution graphics screen to color c
| SECB || [[BASIC:HSET | HSET]] || Set point x,y on the high-resolution graphics screen to color c
|-
|-
| SECB || [[BASIC:HSTAT]] || Returns information regarding the high-resolution text screen cursor
| SECB || [[BASIC:HSTAT | HSTAT]] || Returns information regarding the high-resolution text screen cursor
|-
|-
| CB || [[BASIC:IF]] || Start a conditional check
| CB || [[BASIC:IF | IF]] || Start a conditional check
|-
|-
| CB || [[BASIC:INKEY$]] || Get a key
| CB || [[BASIC:INKEY$ | INKEY$]] || Get a key
|-
|-
| CB || [[BASIC:INPUT]] || Read a line of text at a time
| CB || [[BASIC:INPUT | INPUT]] || Read a line of text at a time
|-
|-
| ECB || [[BASIC:INSTR]] || Searches for the first occurrence of target string
| ECB || [[BASIC:INSTR | INSTR]] || Searches for the first occurrence of target string
|-
|-
| CB || [[BASIC:INT]] || Convert a number to an integer
| CB || [[BASIC:INT | INT]] || Convert a number to an integer
|-
|-
| CB || [[BASIC:JOYSTK]] || Read and report joysticks
| CB || [[BASIC:JOYSTK | JOYSTK]] || Read and report joysticks
|-
|-
| DECB || [[BASIC:KILL]] || Deletes the filename you specify from the disk directory
| DECB || [[BASIC:KILL | KILL]] || Deletes the filename you specify from the disk directory
|-
|-
| CB || [[BASIC:LEFT$]] || Left part of a string
| CB || [[BASIC:LEFT$ | LEFT$]] || Left part of a string
|-
|-
| CB || [[BASIC:LEN]] || Length of a string
| CB || [[BASIC:LEN | LEN]] || Length of a string
|-
|-
| CB || < || Less Than operator  
| CB || < || Less Than operator  
|-
|-
| CB || [[BASIC:LET]] || Assign a variable
| CB || [[BASIC:LET | LET]] || Assign a variable
|-
|-
| ECB || [[BASIC:LINE]] || Draw a line from (x1,y1) to (x2,y2)
| ECB || [[BASIC:LINE | LINE]] || Draw a line from (x1,y1) to (x2,y2)
|-
|-
| CB || [[BASIC:LIST]] || List program to screen
| CB || [[BASIC:LIST | LIST]] || List program to screen
|-
|-
| CB || [[BASIC:LLIST]] || List program to printer
| CB || [[BASIC:LLIST | LLIST]] || List program to printer
|-
|-
| DECB || [[BASIC:LOAD]] || Loads the specified program file into memory from disk
| DECB || [[BASIC:LOAD | LOAD]] || Loads the specified program file into memory from disk
|-
|-
| SECB || [[BASIC:LOCATE]] || Move the high-resolution text screen cursor to position x,y
| SECB || [[BASIC:LOCATE | LOCATE]] || Move the high-resolution text screen cursor to position x,y
|-
|-
| DECB || [[BASIC:LOC]] || Returns the current record number of the buffer you specify
| DECB || [[BASIC:LOC | LOC]] || Returns the current record number of the buffer you specify
|-
|-
| DECB || [[BASIC:LOF]] || Returns the highest-numbered record of the buffer you specify
| DECB || [[BASIC:LOF | LOF]] || Returns the highest-numbered record of the buffer you specify
|-
|-
| ECB || [[BASIC:LOG]] || Returns natural logarithm
| ECB || [[BASIC:LOG | LOG]] || Returns natural logarithm
|-
|-
| SECB || [[BASIC:LPEEK]] || Return the contents of a virtual memory location $00000 - $7FFFF
| SECB || [[BASIC:LPEEK | LPEEK]] || Return the contents of a virtual memory location $00000 - $7FFFF
|-
|-
| SECB || [[BASIC:LPOKE]] || Stores a value in a virtual memory location $00000 - $7FFFF
| SECB || [[BASIC:LPOKE | LPOKE]] || Stores a value in a virtual memory location $00000 - $7FFFF
|-
|-
| DECB || [[BASIC:LSET]] || Left-justifies the data within the field you specify
| DECB || [[BASIC:LSET | LSET]] || Left-justifies the data within the field you specify
|-
|-
| CB || [[BASIC:MEM]] || Free memory
| CB || [[BASIC:MEM | MEM]] || Free memory
|-
|-
| DECB || [[BASIC:MERGE]] || Loads the specified program file from disk and merges it with the program that exists in memory
| DECB || [[BASIC:MERGE | MERGE]] || Loads the specified program file from disk and merges it with the program that exists in memory
|-
|-
| CB || [[BASIC:MID$]] || Middle of a string
| CB || [[BASIC:MID$ | MID$]] || Middle of a string
|-
|-
| DECB || [[BASIC:MKN$]] || Convert a specified number into a 5-byte coded string for storage in a formatted disk file
| DECB || [[BASIC:MKN$ | MKN$]] || Convert a specified number into a 5-byte coded string for storage in a formatted disk file
|-
|-
| CB || [[BASIC:MOTOR]] || Tape drive motor control
| CB || [[BASIC:MOTOR | MOTOR]] || Tape drive motor control
|-
|-
| CB || * || Multiplication operator
| CB || * || Multiplication operator
|-
|-
| CB || [[BASIC:NEW]] || Initialize the BASIC memory map
| CB || [[BASIC:NEW | NEW]] || Initialize the BASIC memory map
|-
|-
| CB || [[BASIC:NEXT]] || End of a loop
| CB || [[BASIC:NEXT | NEXT]] || End of a loop
|-
|-
| CB || [[BASIC:NOT]] || Boolean / Logical negation
| CB || [[BASIC:NOT | NOT]] || Boolean / Logical negation
|-
|-
| CB || [[BASIC:OFF]] || AUDIO and MOTOR control token
| CB || [[BASIC:OFF | OFF]] || AUDIO and MOTOR control token
|-
|-
| CB || [[BASIC:ON]] || Start of multi-way branch
| CB || [[BASIC:ON | ON]] || Start of multi-way branch
|-
|-
| CB || [[BASIC:OPEN]] || Open a file
| CB || [[BASIC:OPEN | OPEN]] || Open a file
|-
|-
| CB || [[BASIC:OR]] || Boolean / Logical OR operator
| CB || [[BASIC:OR | OR]] || Boolean / Logical OR operator
|-
|-
| ECB || [[BASIC:PAINT]] || Paints graphic screen starting at a point (x,y) withh specified color c stopping at border b
| ECB || [[BASIC:PAINT | PAINT]] || Paints graphic screen starting at a point (x,y) withh specified color c stopping at border b
|-
|-
| SECB || [[BASIC:PALETTE]] || Store a color code into a palette register, or reset palette for CMP or RGB defaults
| SECB || [[BASIC:PALETTE | PALETTE]] || Store a color code into a palette register, or reset palette for CMP or RGB defaults
|-
|-
| ECB || [[BASIC:PCLEAR]] || Reserves b number of 1.5K graphics memory pages
| ECB || [[BASIC:PCLEAR | PCLEAR]] || Reserves b number of 1.5K graphics memory pages
|-
|-
| ECB || [[BASIC:PCLS]] || Clears screen with specified color c
| ECB || [[BASIC:PCLS | PCLS]] || Clears screen with specified color c
|-
|-
| ECB || [[BASIC:PCOPY]] || Copy graphics from source page to destination page
| ECB || [[BASIC:PCOPY | PCOPY]] || Copy graphics from source page to destination page
|-
|-
| CB || [[BASIC:PEEK]] || Read a value from a memory address
| CB || [[BASIC:PEEK | PEEK]] || Read a value from a memory address
|-
|-
| ECB || [[BASIC:PLAY]] || Plays music of specific note, octave, note-length, tempo, pause
| ECB || [[BASIC:PLAY | PLAY]] || Plays music of specific note, octave, note-length, tempo, pause
|-
|-
| ECB || [[BASIC:PMODE]] || Selections resolution and first memory page
| ECB || [[BASIC:PMODE | PMODE]] || Selections resolution and first memory page
|-
|-
| CB || [[BASIC:POINT]] || Check color of a semigraphics pixel
| CB || [[BASIC:POINT | POINT]] || Check color of a semigraphics pixel
|-
|-
| CB || [[BASIC:POKE]] || Write a value to a memory address
| CB || [[BASIC:POKE | POKE]] || Write a value to a memory address
|-
|-
| ECB || [[BASIC:POS]] || Returns current print position
| ECB || [[BASIC:POS | POS]] || Returns current print position
|-
|-
| ECB || [[BASIC:PPOINT]] || Tests whether specified graphics cell is on or off
| ECB || [[BASIC:PPOINT | PPOINT]] || Tests whether specified graphics cell is on or off
|-
|-
| ECB || [[BASIC:PRESET]] || Reset a point to background color
| ECB || [[BASIC:PRESET | PRESET]] || Reset a point to background color
|-
|-
| CB || [[BASIC:PRINT]] || Write to the screen
| CB || [[BASIC:PRINT | PRINT]] || Write to the screen
|-
|-
| ECB || [[BASIC:PSET]] || Sets a specified point (x,y) to specified color c
| ECB || [[BASIC:PSET | PSET]] || Sets a specified point (x,y) to specified color c
|-
|-
| ECB || [[BASIC:PUT]] || Stores graphics from source into start/end rectangle on the screen
| ECB || [[BASIC:PUT | PUT]] || Stores graphics from source into start/end rectangle on the screen
|-
|-
| CB || [[BASIC:READ]] || Read a piece of data
| CB || [[BASIC:READ | READ]] || Read a piece of data
|-
|-
| CB || [[BASIC:REM]] || Comments or remarks - FIXME Else uses this too?
| CB || [[BASIC:REM | REM]] || Comments or remarks - FIXME Else uses this too?
|-
|-
| DECB || [[BASIC:RENAME]] || Renames a disk file
| DECB || [[BASIC:RENAME | RENAME]] || Renames a disk file
|-
|-
| ECB || [[BASIC:RENUM]] || Allows program line renumbering
| ECB || [[BASIC:RENUM | RENUM]] || Allows program line renumbering
|-
|-
| CB || [[BASIC:RESET]] || Clear a semigraphics pixel
| CB || [[BASIC:RESET | RESET]] || Clear a semigraphics pixel
|-
|-
| CB || [[BASIC:RESTORE]] || Start back at the first DATA item
| CB || [[BASIC:RESTORE | RESTORE]] || Start back at the first DATA item
|-
|-
| CB || [[BASIC:RETURN]] || Return from a subroutine
| CB || [[BASIC:RETURN | RETURN]] || Return from a subroutine
|-
|-
| SECB || [[BASIC:RGB]] || Set palette to RGB defaults
| SECB || [[BASIC:RGB | RGB]] || Set palette to RGB defaults
|-
|-
| CB || [[BASIC:RIGHT$]] || Right part of a string
| CB || [[BASIC:RIGHT$ | RIGHT$]] || Right part of a string
|-
|-
| CB || [[BASIC:RND]] || Pseudo-random number generator
| CB || [[BASIC:RND | RND]] || Pseudo-random number generator
|-
|-
| DECB || [[BASIC:RSET]] || Right-justifies the data within the field you specify
| DECB || [[BASIC:RSET | RSET]] || Right-justifies the data within the field you specify
|-
|-
| CB || [[BASIC:RUN]] || Start the program running
| CB || [[BASIC:RUN | RUN]] || Start the program running
|-
|-
| DECB || [[BASIC:SAVE]] || Saves filename on disk
| DECB || [[BASIC:SAVE | SAVE]] || Saves filename on disk
|-
|-
| ECB || [[BASIC:SCREEN]] || Selects either graphics (1) or text (0) screen and color-set (0 or 1)
| ECB || [[BASIC:SCREEN | SCREEN]] || Selects either graphics (1) or text (0) screen and color-set (0 or 1)
|-
|-
| CB || [[BASIC:SET]] || Draw a semigraphics pixel
| CB || [[BASIC:SET | SET]] || Draw a semigraphics pixel
|-
|-
| CB || [[BASIC:SGN]] || Get the sign of a number positive or negative
| CB || [[BASIC:SGN | SGN]] || Get the sign of a number positive or negative
|-
|-
| CB || [[BASIC:SIN]] || Sine of an angle
| CB || [[BASIC:SIN | SIN]] || Sine of an angle
|-
|-
| CB || [[BASIC:SKIPF]] || Skip tape file
| CB || [[BASIC:SKIPF | SKIPF]] || Skip tape file
|-
|-
| CB || [[BASIC:SOUND]] || Beep the speaker
| CB || [[BASIC:SOUND | SOUND]] || Beep the speaker
|-
|-
| ECB || [[BASIC:SQR]] || Returns the square root of a number
| ECB || [[BASIC:SQR | SQR]] || Returns the square root of a number
|-
|-
| CB || [[BASIC:STEP]] || FOR loop control
| CB || [[BASIC:STEP | STEP]] || FOR loop control
|-
|-
| CB || [[BASIC:STOP]] || Stop the program at the current line
| CB || [[BASIC:STOP | STOP]] || Stop the program at the current line
|-
|-
| CB || [[BASIC:STR$]] || Convert a number to a string
| CB || [[BASIC:STR$ | STR$]] || Convert a number to a string
|-
|-
| ECB || [[BASIC:STRING]] || Returns a string of characters of specified length
| ECB || [[BASIC:STRING | STRING]] || Returns a string of characters of specified length
|-
|-
| CB || [[BASIC:SUB]] || Completion token for GOSUB
| CB || [[BASIC:SUB | SUB]] || Completion token for GOSUB
|-
|-
| CB || - || Subtraction operator
| CB || - || Subtraction operator
|-
|-
| CB || [[BASIC:TAB]] || Tabulation
| CB || [[BASIC:TAB | TAB]] || Tabulation
|-
|-
| ECB || [[BASIC:TAN]] || Returns tangent of angle given in radians
| ECB || [[BASIC:TAN | TAN]] || Returns tangent of angle given in radians
|-
|-
| CB || [[BASIC:THEN]] || Completion token for IF
| CB || [[BASIC:THEN | THEN]] || Completion token for IF
|-
|-
| ECB || [[BASIC:TIMER]] || Returns contents or allows setting of timer
| ECB || [[BASIC:TIMER | TIMER]] || Returns contents or allows setting of timer
|-
|-
| CB || [[BASIC:TO]] || Token for TO in GO TO
| CB || [[BASIC:TO | TO]] || Token for TO in GO TO
|-
|-
| ECB || [[BASIC:TROFF]] || Turns off program tracer
| ECB || [[BASIC:TROFF | TROFF]] || Turns off program tracer
|-
|-
| ECB || [[BASIC:TRON]] || Turns on program tracer
| ECB || [[BASIC:TRON | TRON]] || Turns on program tracer
|-
|-
| DECB || [[BASIC:UNLOAD]] || Close any open files on the disk in the drive you specify
| DECB || [[BASIC:UNLOAD | UNLOAD]] || Close any open files on the disk in the drive you specify
|-
|-
| CB || [[BASIC:USR]] || User defined function
| CB || [[BASIC:USR | USR]] || User defined function
|-
|-
| CB || [[BASIC:VAL]] || Convert a string to a number
| CB || [[BASIC:VAL | VAL]] || Convert a string to a number
|-
|-
| ECB || [[BASIC:VARPTR]] || Returns address of pointer to the specified variable
| ECB || [[BASIC:VARPTR | VARPTR]] || Returns address of pointer to the specified variable
|-
|-
| DECB || [[BASIC:VERIFY]] || Turns the verify function on or off  
| DECB || [[BASIC:VERIFY | VERIFY]] || Turns the verify function on or off  
|-
|-
| SECB || [[BASIC:WIDTH]] || Set the text screen to a resolution in character width
| SECB || [[BASIC:WIDTH | WIDTH]] || Set the text screen to a resolution in character width
|-
|-
| DECB || [[BASIC:WRITE]] || Writes the data to the buffer you specify
| DECB || [[BASIC:WRITE | WRITE]] || Writes the data to the buffer you specify
|}
|}

Revision as of 20:36, 9 April 2020

BASIC

Tandy Color Computers contain a modular interpreter which understands a superset of the Beginner's All-purpose Symbolic Instruction Code (BASIC) programming language.

There are up to four core modules available in Read-Only Memory (ROM) that detect and link to each other when combinations of these ROMs exist in a Color Computer.

MODULES

Color BASIC - the core module present in all models of Color Computer

Extended Color BASIC (ECB) - a graphics and sound package which was optional in the Color Computer 1 and 2.

Disk Extended Color BASIC (DECB) - Disk commands present when a disk controller cartridge is plugged in

Super Extended Color BASIC (SECB) - Present in the Color Computer 3 only and includes Color BASIC and Extended Color BASIC in lower memory - links to Disk BASIC ROM if a cartridge is present.

KEYWORDS

BASIC Keywords (sortable)
Module Keyword Description
CB ABS Get absolute value of a signed number
CB + Addition operator
CB AND Boolean / Logical AND operator
CB ASC ASCII code of first letter of string
ECB ATN Returns arctangent in radians
SECB ATTR Set the display attributes of a high-resolution text screen
CB AUDIO Control the audio source
DECB BACKUP Duplicates the contents of the disk in the source drive on the disk in the destination drive
SECB BRK Jump to a line number when the BREAK key is pressed
SECB BUTTON Return if a Joystick Button is being pressed or not
CB CHR$ Convert number to Control, ASCII, or graphics code string
ECB CIRCLE Draws a circle with center at point (x,y) radius r, specified color c and height/width ratio
CB CLEAR Clear RAM for string space
CB CLOAD Cassette load
CB CLOSE Close files
CB CLS Clear screen
SECB CMP Set palette to composite defaults
ECB COLOR Sets foreground and background color
CB CONT Continue the program from a stop
DECB COPY Copies the contents of filename1 to filename2
ECB COS Return cosine of an angle given in radians
CB CSAVE Cassette save
DECB CVN Convert a 5-byte coded string created by MKN$ back to the number it represents
CB DATA Store data within a program
ECB DEF Defines numeric function
ECB DEL Deletes program lines
CB DIM Set aside memory for arrays
DECB DIR Displays a directory of the disk in the drive you specify
CB / Division operator
ECB DLOAD Loads BASIC program at specified baud
DECB DOS With the OS-9 system diskette in drive 0, the DOS command boots the OS-9 operating system
ECB DRAW Draws a line beginning at specified starting point of specified length and color
DECB DRIVE Changes the default drive to the drive you specify
DECB DSKI$ Inputs data from a particular sector with in a particular track on the disk in the drive you specify
DECB DSKINI Formats a disk in the drive you specify
DECB DSKO$ Writes string data on sector, track, and drive number you specify
ECB EDIT Allows editing of program line
CB END The end of the program
CB EOF End of file
CB ELSE Alternate conditional statement
CB = Equality operator
SECB ERLIN Returns the BASIC line number where an error has occurred
SECB ERR Jump to a line number when an error occurs
SECB ERRNO Returns the BASIC error number for the error that has occurred
CB EVAL Evaluate a numeric expression
CB EXEC EXECute code at address
CB EXP Generates ?SN in Color BASIC, implemented in Extended Color BASIC
ECB EXP Returns natural exponential of number
DECB FIELD Organizes the space within a direct access buffer into fields
DECB FILES Tell the computer the number of buffers to reserve in memory
ECB FIX Returns truncated (whole number) value
CB FOR Start a loop
DECB FREE Returns to the number of free granules on the disk in the drive you specify
ECB GET Reads the graphic contents of a rectangle into an array for future use by PUT
CB GO Jump to line number
CB > Greater Than operator
SECB HBUFF Reserves an area in memory for high-resolution graphics
SECB HCIRCLE Draws a circle on the high-resolution graphics screen
SECB HCLS Clear the high-resolution graphics screen to a specified color
SECB HCOLOR Set foreground and background color on the high-resolution graphics screen
SECB HDRAW Draws on the high-resolution screen from a command string
ECB HEX$ Computes hexadecimal value
SECB HGET Stores a rectangle from the high-resolution screen into a buffer
SECB HLINE Draws a line on the high-resolution graphics screen
SECB HPAINT Paints an area on the high-resolution graphics screen
SECB HPOINT Returns information on point x,y from the high-resolution graphics screen
SECB HPRINT Prints a message on the high-resolution graphics screen
SECB HPUT Copies graphics from a buffer to a rectangle on the high-resolution graphics screen
SECB HRESET Resets a point on the high-resolution graphics screen to the background color
SECB HSCREEN Select and clear high-resolution graphics screen
SECB HSET Set point x,y on the high-resolution graphics screen to color c
SECB HSTAT Returns information regarding the high-resolution text screen cursor
CB IF Start a conditional check
CB INKEY$ Get a key
CB INPUT Read a line of text at a time
ECB INSTR Searches for the first occurrence of target string
CB INT Convert a number to an integer
CB JOYSTK Read and report joysticks
DECB KILL Deletes the filename you specify from the disk directory
CB LEFT$ Left part of a string
CB LEN Length of a string
CB < Less Than operator
CB LET Assign a variable
ECB LINE Draw a line from (x1,y1) to (x2,y2)
CB LIST List program to screen
CB LLIST List program to printer
DECB LOAD Loads the specified program file into memory from disk
SECB LOCATE Move the high-resolution text screen cursor to position x,y
DECB LOC Returns the current record number of the buffer you specify
DECB LOF Returns the highest-numbered record of the buffer you specify
ECB LOG Returns natural logarithm
SECB LPEEK Return the contents of a virtual memory location $00000 - $7FFFF
SECB LPOKE Stores a value in a virtual memory location $00000 - $7FFFF
DECB LSET Left-justifies the data within the field you specify
CB MEM Free memory
DECB MERGE Loads the specified program file from disk and merges it with the program that exists in memory
CB MID$ Middle of a string
DECB MKN$ Convert a specified number into a 5-byte coded string for storage in a formatted disk file
CB MOTOR Tape drive motor control
CB * Multiplication operator
CB NEW Initialize the BASIC memory map
CB NEXT End of a loop
CB NOT Boolean / Logical negation
CB OFF AUDIO and MOTOR control token
CB ON Start of multi-way branch
CB OPEN Open a file
CB OR Boolean / Logical OR operator
ECB PAINT Paints graphic screen starting at a point (x,y) withh specified color c stopping at border b
SECB PALETTE Store a color code into a palette register, or reset palette for CMP or RGB defaults
ECB PCLEAR Reserves b number of 1.5K graphics memory pages
ECB PCLS Clears screen with specified color c
ECB PCOPY Copy graphics from source page to destination page
CB PEEK Read a value from a memory address
ECB PLAY Plays music of specific note, octave, note-length, tempo, pause
ECB PMODE Selections resolution and first memory page
CB POINT Check color of a semigraphics pixel
CB POKE Write a value to a memory address
ECB POS Returns current print position
ECB PPOINT Tests whether specified graphics cell is on or off
ECB PRESET Reset a point to background color
CB PRINT Write to the screen
ECB PSET Sets a specified point (x,y) to specified color c
ECB PUT Stores graphics from source into start/end rectangle on the screen
CB READ Read a piece of data
CB REM Comments or remarks - FIXME Else uses this too?
DECB RENAME Renames a disk file
ECB RENUM Allows program line renumbering
CB RESET Clear a semigraphics pixel
CB RESTORE Start back at the first DATA item
CB RETURN Return from a subroutine
SECB RGB Set palette to RGB defaults
CB RIGHT$ Right part of a string
CB RND Pseudo-random number generator
DECB RSET Right-justifies the data within the field you specify
CB RUN Start the program running
DECB SAVE Saves filename on disk
ECB SCREEN Selects either graphics (1) or text (0) screen and color-set (0 or 1)
CB SET Draw a semigraphics pixel
CB SGN Get the sign of a number positive or negative
CB SIN Sine of an angle
CB SKIPF Skip tape file
CB SOUND Beep the speaker
ECB SQR Returns the square root of a number
CB STEP FOR loop control
CB STOP Stop the program at the current line
CB STR$ Convert a number to a string
ECB STRING Returns a string of characters of specified length
CB SUB Completion token for GOSUB
CB - Subtraction operator
CB TAB Tabulation
ECB TAN Returns tangent of angle given in radians
CB THEN Completion token for IF
ECB TIMER Returns contents or allows setting of timer
CB TO Token for TO in GO TO
ECB TROFF Turns off program tracer
ECB TRON Turns on program tracer
DECB UNLOAD Close any open files on the disk in the drive you specify
CB USR User defined function
CB VAL Convert a string to a number
ECB VARPTR Returns address of pointer to the specified variable
DECB VERIFY Turns the verify function on or off
SECB WIDTH Set the text screen to a resolution in character width
DECB WRITE Writes the data to the buffer you specify
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