| rngLen | Function (ROM Call 0x1DF)

graphing.h

unsigned long rngLen (unsigned char GraphMode);

Returns the size of the array pointed to by `GR_WIN_VARS.rngp` if the current graphing mode if GraphMode.

This function is used by many ROM_CALLs related to graphing, through gdb_len, gdb_recall and gdb_store.
Valid values for GraphMode are described in GraphModes.

Used by: gdb_len, gdb_recall, gdb_store

See also: GR_WIN_VARS, GraphModes