Used by the routines at SAVE_ETC, LIST, EACH_STMT, E_LINE_NO, STMT_LOOP, SEPARATOR, NEXT_2NUM, FOR, READ_3, DATA, DEF_FN, PR_ITEM_1, PR_POSN_1, STR_ALTER, INPUT, CO_TEMP_1, CIRCLE, DRAW, S_2_COORD, S_U_PLUS, S_BRACKET, S_PI, S_INKEY, S_SCREEN, S_ATTR, S_POINT, S_LETTER, S_FN_SBRN, LOOK_VARS, STK_VAR, SLICING, DIM and DEC_TO_FP.

The routine at GET_CHAR continues here.

As a BASIC line is interpreted, this routine is called repeatedly to step along the line.