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- 10 REM*********************************
- 20 REM* *
- 30 REM* DEMO PROGRAM FOR HIRES *
- 40 REM* ROUTINES *
- 50 REM* *
- 60 REM*********************************
- 70 REM
- 80 REM
- 90 IF A=0THEN A=1:LOAD "HIRES.MC",8,1
- 100 AD=49152
- 110 SH=AD:REM SET UP HIRES
- 120 TX=AD+3:REM TEXT RESTORE
- 130 CH=AD+6:REM CLEAR SCREEN
- 140 CC=AD+9:REM CLEAR COLOUR
- 150 PH=AD+12:REM PLOT HIRES
- 160 PC=AD+15:REM PLOT COLOUR
- 170 PB=AD+18:REM PLOT BOTH
- 172 LD=AD+21:REM PLOT LINE
- 174 HL=AD+24:REM HORIZ LINE
- 176 VL=AD+27:REM VERT LINE
- 178 DB=AD+30:REM BOX DRAW
- 180 XL=251:REM X LOW
- 190 XH=252:REM X HIGH
- 200 YL=253:REM Y COORD
- 202 X1=14:REM END X LOW
- 204 X2=15:REM END X HIGH
- 206 Y1=255:REM END Y
- 210 CB=2:REM COLOUR BYTE
- 220 PX=254:REM PLOT INDICATOR
- 230 REM
- 240 REM MENU
- 250 REM
- 260 PRINT "[147]"
- 270 PRINT "[158] LINE DRAWING DEMO"
- 280 PRINT:PRINT TAB(10);"1. RANDOM LINES"
- 290 PRINT:PRINT TAB(10);"2. RANDOM BOXES"
- 300 PRINT:PRINT TAB(10);"3. BOTH TOGETHER"
- 310 PRINT:PRINT TAB(10);"[158]ENTER OPTION"
- 312 PRINT:PRINT "NOTE: THIS PROGRAM IS ONLY INTENDED"
- 314 PRINT "AS AN ILLUSTRATION. IT MAY CRASH"
- 316 PRINT "OCCASIONALLY AS THE HI-RES ROUTINES"
- 318 PRINT "USE SOME OF THE SAME LOCATIONS AS BASIC":PRINT
- 320 GET I$:IF I$="" THEN 320
- 330 IF I$>"3" OR I$<"1" THEN 320
- 331 I=VAL(I$)
- 340 ON I GOSUB 1000,2000,3000
- 360 SYS TX:GOTO 260
- 900 REM
- 910 REMRANDOM LINES
- 920 REM
- 1000 POKE PX,255:SYS SH
- 1010 GOSUB 5000:SYS LD
- 1020 GET I$:IF I$="" THEN 1010
- 1030 RETURN
- 1900 REM
- 1910 REM RANDOM BOXES
- 1920 REM
- 2000 POKE PX,255:POKE CB,67:SYS SH
- 2010 GOSUB 5000:SYS DB
- 2020 GET I$:IF I$="" THEN 2010
- 2030 RETURN
- 2090 REM
- 2100 REM DO BOTH
- 2110 REM
- 3000 POKE PX,255:POKE CB,67:SYS SH
- 3010 GOSUB 5000:SYS LD:GOSUB 5000:SYS DB
- 3020 GET I$:IF I$="" THEN 3010
- 3030 RETURN
- 4900 REM
- 4910 REM SET UP COORDS
- 4920 REM
- 5000 POKE PX,255:X=INT(RND(1)*319)
- 5010 POKE XL,X-INT(X/256)*256:POKE XH,INT(X/256)
- 5020 X=INT(RND(1)*319)
- 5030 POKE X1,X-INT(X/256)*256:POKE X2,INT(X/256)
- 5040 POKE YL,INT(RND(1)*199):POKE Y1,INT(RND(1)*199)
- 5050 RETURN
-