F11768:36865,37:36864,13:40:36878,7:37159,37:36879,8n1,6,9,5,1,10,13,3,2,8,11,7,8,0,1,48,1,5,7,8,6,15,3,8,16,17,5,8,18,19,4,91,5,3,9,6,9,7,9,10,13,5,9,14,19,7,10,8,11,5 "AHOY! MAGAZINE"" 3" PRESENTSR"{"  " !" æ "" #" L$" A 40-COLUMN SOFTWARE EXTENSION FOR THEz%" COMMODORE VIC-20 PERSONAL COMPUTER.&"(C) 1984 VD VOORDEN":400(Q1:CO37888:RO20:""(142)2A,B,C,D:A10Q0 <ICOROABCOROAC:I,D::Q50F7198,0:J1500:40000:R$:R$""p:(14)"THE VIC 40 INCLUDES BOTH OF COMMODORE'S"STANDARD CHARACTER SETS AND IT GIVES"YOU THE OPPORTUNITY TO CREATE YOUR OWN"CHARACTERS BESIDES. ALSO, YOU CAN MIX&"DISPLAYS NEVER-BEFORE SEEN OR HEARD OF.U"VIC 40 HAS 256 PROGRAMMABLE CHARACTERS"AVAILABLE TO YOU IN WHICH VARIOUS FONTS"CAN BE CREATED. IF YOU NEED A FULL"CHARACTER SET THEN 128 PROGRAMMABLES ARE "STILL AVAILABLE (PLUS THE BIT-MAP!!) .:&A3000:30000:"";:I140:((I),1);:h0I224:((I),((I))1)::"25";::" VIC 40 GIVES YOU A 40*25 SCREEN."DA0:(142):J329343293433640:I030:JI,IA:IA254595I:AA31:'S:"WITH FULL UPPER CASE !!!!!"(14)c]J329184563291879240:I030:JI,IA:IA254630rb:AA31:v:"AND FULL LOWER CASE !!!!!I1300::C103:11100"VIC 40 CAN EMULATE PET BASIC SOFTWARE""BECAUSE IT ALLOWS FOR THE SCREEN ANDM"SOUND LOCATIONS TO MOVE. VIC SOUNDS}"AND GRAPHICS WILL STILL WORK BUT NOW YOU"HAVE THE ADDED DIMENSION OF ALL THAT PET"SOFTWARE CURRENTLY AVAILABLE.":A2000:30000"VIC 40 ALSO ALLOWS FOR HI-RES GRAPHICS="TO BE MIXED WITH A NORMAL SCREEN. THISm"BIT-MAP COVERS THE ENTIRE 160*176 HI-RES"SCREEN AND PLOTTING TO IT IS MUCH EASIER"THAN THE NORMAL ACCEPTED WAY OF PLOTTING"POINTS. WITH THE ADDED MACHINE CODE% "ROUTINES YOU'LL BE CRANKING OUT DISPLAYS["YOU THOUGHT WEREN'T POSSIBLE !!!":A3500:30000*"IN THE FOLLOWING EXAMPLE NOTE HOW THE4"BIT-MAP CAN OVERLAY THE NORMAL SCREEN>"CHARACTERS APPLICATION FROM WORD PROCESSINGR"TO GRAPH MAKING TO ADVENTURE GAMING.E\"OH, BEFORE I FORGET, THERE ARE 8 COLORSqf"AVAILABLE TO BIT MAP AND WRITE IN SOp"YOU BUDDING COMPUTER ARTISTS OUT THEREz"CAN TAKE FULL ADVANTAGE OF YOUR VIC-20.":A3000:30000"FOR EXAMPLE: (WE'LL START WITH MONOCROME>"THEN ADD COLOR THEN ADD EXTENDED COLOR.)"" THIS WILL SHOW OVERLAYING WITH HI-RES." Y=COS(X)>"" Y=SIN<(X) "Y=TAN(X)>M" THIS WILL SHOW OVERLAYING WITH HI-RES.:A4320:B7:C176:D2:Y101:X0157:5000:Z157:I.5:J101:K50:N61:G101:H141X.ZI:Y(JK(X10)):5000:Y(JK(X10)):5000:X.ZI:Y(JK(X10)):Y1Y1765000+::A1:B7:C1aI1500::I3788837888219:I,A:AA1:ABAC""(14)"THIS HAS BEEN THE END OF THE DEMO FOR""THE VIC 40 OPERATING SYSTEM. EXPERIMENT"TO FIND HOW IT CAN BEST SUIT YOUR NEEDS."# "WHATEVER YOU DO ON YOUR VIC (OR PET),"S "THE VIC 40 CAN DO MORE INTERESTINGLY !!"e *I16500:: QAY(X8)C:Q,(Q)D(B(XB)): \+A$"":I1:B0 f+(A$,I,1);:II1:I7II7 p+BB1:J13::BC11110 z+!0u198,0:I1A1.6:R$:R$""!:uK!@Q6:S2:V37968:O38028:IVO:I,((1)Q)S::