Just change the value of B to change where a basic program is loaded. 1 REM BWAS 16384 10 B = 24576 20 HOME : TEXT : PRINT "ADDRESS TO LOAD NEXT BASIC PROGRAM IS:": PRINT B 30 POKE 103,(B + 1) - INT ((B + 1) / 256) * 256 40 POKE 104, INT ((B + 1) / 256): 50 POKE B,0 60 PRINT chr$(4);"run file"