00613nam a2200205Ia 4500003000400000005001700004008004100021020001400062040001800076041000800094082002200102100001700124245004900141250001200190260004700202300002400249650003200273650003900305650006300344OSt20230802150059.0210716s1983    xx            000 0 und d  a861611128  cAIMIT LIBRARY  aeng  a005.101 21bWEBD  aWebb, David.  aSuper charge your spectrum /cBy David Webb.  a1st ed.  aUSA :c1983.bMelbourne House Publishers ,  a182p. ;bPBc21 cm.  aRoutines for the attributes  aRoutines for the text and graphics  aComplete and detailed breakdown of useful system variables