CLEAR

You mean reproducing in asm the features of the CLEAR instruction ?

CLEAR does quite complicated things with HIMEM, MEMSIZ and STKTOP based on VARTAB and MAXFIL values... As this is all so 100% BASIC oriented I wonder why you can't just do it in BASIC? If you want to hide it from users then just execute the statement on your ML-program... I don't really see any benefit reimplementing it.

Ok... I guess... but I just mean that how about if you just add something like this to the end of your program:

MAXFIL	EQU #F85F

EXIT_TO_BASIC_WITH_CLEAR:

	LD A,1
	LD (MAXFIL),A
	LD HL,200
	LD (STRING_SIZE),HL
	LD HL,#C000
	LD (ADDRESS),HL
	LD HL,BASIC_PROG
	LD A,(HL)
	JP #4646

BASIC_PROG:	DB #92,#C
STRING_SIZE:	DW 0
		DB #2C,#C
ADDRESS:	DW 0,0,0