HELP OVERVIEW · mmcore

mmCore Help

Type ME for a short introduction. Bare HELP opens this Overview. Escape returns to the prompt.

Also: CONTENTS (command map) INDEX (A-Z) HELP (viewer)

FUNCTIONS (math and strings)

Control Flow

FOR - counted loop with optional STEP
DO - general loop with WHILE/UNTIL
WHILE - loop while a condition is true
IF - conditional branch (ELSEIF/ELSE IF)
SELECT CASE - multi-way branch (CASE ELSE)
GOTO - jump to a line label
GOSUB - call a line subroutine
ON - ON GOTO/GOSUB/KEY/COM/TIMER/PLAY/PEN/STRIG/ERROR
EXIT - leave a loop or routine early
CONTINUE - skip to the next iteration
END - end program or close IF/SELECT/SUB/FUNCTION
REM - comment to end of line

Variables and Types

DIM - declare variables and arrays
LOCAL - declare local variables
STATIC - declare static locals
CONST - declare named constants
TYPE - define a structured type
LET - assign a value
DATA - embedded program data
CLEAR - clear variables
INC - increment a variable
DEC - decrement a variable

Procedures

SUB - define a subroutine
FUNCTION - define a function
CALL - call a SUB by name
RUN - run the program

Console and Text I/O

PRINT - write text to the console
INPUT - read values from the console
LINE INPUT - read a whole line
LOCATE - position the text cursor
CLS - clear the screen
INKEY$ - read a key without waiting
PAUSE - wait for a timed delay
VSYNC_WAIT - wait for vertical sync

String Operations

MID$ - extract or assign a substring
CAT - append text to a string variable
SORT - sort an array
FUNCTIONS - LEN LEFT$ RIGHT$ and more

Math Functions

MATH - array and matrix math
RANDOMIZE - seed the random generator
FUNCTIONS - ABS SIN COS SQR and more

File System

DRIVE - list or select a drive
DIR - list directory contents
FILES - fullscreen file manager
CHDIR - change directory
MKDIR - create a directory
RMDIR - remove a directory
KILL - delete a file
RENAME - rename or move a file
COPY - copy a file
XFER - transfer a file
PACKAGE - install packages
UNPACK - extract a ZIP or .app archive

File I/O

OPEN - open a file or TCP stream
CLOSE - close a file number
SEEK - seek in an open file
LOAD - load a program
SAVE - save a program
INPUT$ - read characters from a file

Time and Events

SETTICK - periodic tick interrupt
ERROR - stop with an error message
FUNCTIONS - DATE$ TIME$ TIMER

System and Options

NEW - clear the program
LIST - list program lines
EDIT - fullscreen program editor
WORDPAD - simple text editor
MEMORY - show memory use
HELP - this help system
ME - short mmCore introduction
CREDITS - copyright notices
OPTION - set options
FACTORY_RESET - restore defaults
REBOOT - reboot the machine
PROMPT - prompt format option
ETHERNET - Ethernet option
AUDIO_TARGET - audio output target

Network and Terminal

CONNECT - network connect helper
TERM - serial or TCP terminal
IPCONFIG - show network addresses

Sound and Play

PLAY - play tones or media
JUKE - retro music player with a visualiser

Graphics

PIXEL - set or read a pixel
LINE - draw a line
BOX - draw a box
CIRCLE - draw a circle
RBOX - draw a rounded box
ARC - draw an arc
TRIANGLE - draw a triangle
POLYGON - draw a polygon
TEXT - draw graphics text
FONT - select a font
COLOUR - set drawing colours
MODE - select video mode
PAGE - select drawing page
FRAMEBUFFER - framebuffer pages
IMAGE - image load and transform
TURTLE - turtle graphics
BITMAP - plot a bitmap (GUI/GUI BITMAP)

Sprites and Blit

SPRITE - load show and move sprites
BLIT - copy pixels (BLIT MEMORY buffers)

JSON and Structures

STRUCT - structured array operations
JSON_PARSE - parse JSON text
JSON$ - read a JSON path
JSON_STRINGIFY$ - serialize to JSON

Environment

FUNCTIONS - MM.HRES MM.VRES MM.INFO MM.INFO$ and more

Links are explicit. A sentence such as “for every loop we can use FOR loops” only highlights the marked FOR, not the word “for”.

Source: docs/help/overview.txt inmmcore. On the computer, typeHELP OVERVIEW.