0 REM" P.J.PONZO*83*WATERLOO/ONTARIO
30 [143]" >GRAPHICS-2
40 REM" [184][184][184][184][184][184][184][184][184][184][184][184][184][184]
100 [151]55,0:[151]56,7[172]16[170]13:[156]
110 [151]53281,15:[151]53280,0:[141]5000:[151]53272,21
120 [153]"LOADSTOPWE ILLUSTRATE SOME BITMAP MODE"
121 [153]"GRAPHS 'N' SUCH.."
122 [153]"THE MACHINE LANGUAGE ROUTINE BEING"
123 [153]"LOADED WILL PLOT A POINT OR LINE."
125 [151]53248[170]22,200:[141]400
130 [133]"LOADCLEAR GRAPHICS AREA   YCMDCMDCMD";A$:[139]A$[178]"N"[167]150
140 [151]174,0:[151]175,32:[151]176,0:[151]177,32:[158]ML:[143] CLEAR $2000-
150 [151]174,0:[151]175,4:[151]176,224:[151]177,4:[158]ML:[143] SET COLOURS IN $0400-
160 [143] POINT LOCATIONS
170 X0[178]32000:Y0[178]32001
180 X1[178]32002:Y1[178]32003
190 X[178]32005:Y[178]32007
200 [141]350:[143] BITMAP MODE
210 [143]*****************************
220 [143]*   POKE X0,Y0,X1 & Y1      *
221 [143]*   SYS LINE DRAWS LINE     *
222 [143]*   FROM (X0,Y0) TO (X1,Y1) *
230 [143]*****************************
240 [129]I[178]0[164]255[169]2
250 C[178][190]([255][172]I[173]63):S[178][191]([255][172]I[173]127)
260 CC[178]C[172]C:SS[178]S[172]S:[151]X0,I:[151]Y0,120[172]CC
270 [151]X1,127[170]127[172]C:[151]Y1,200[171]80[172]CC
280 [158] LINE:[130]
290 [143]********************************
300 [129]CL[178]0[164]15:[151]174,0:[151]175,4:[151]176,16[172]CL:[151]177,4:[158]ML:[143] COLOURS
310 [129]T[178]1[164]100:[130]:[130]
330 [129]I[178]1[164]2000:[130]
340 [153]"LOAD":[141]360:[137]1000
350 [151]53248[170]17,59:[151]53248[170]24,25:[142]:[143] BITMAP MODE
360 [129]T[178]1[164]500:[130]
370 [151]53248[170]17,27:[151]53248[170]24,21:[143] NORMAL MODE
380 [142]
400 ML[178]7[172]4096[170]15[172]256[170]4[172]16[170]2
401 [139][194](ML)[178]165[167] 500
402 [129]I[178]0[164]16:[135]X:[151]ML[170]I,X:[130]
410 [131] 165,176,166,177,160,0,145,174,200,208,251,230,175,202,208,246,96
500 LINE[178]7[172]4096[170]14[172]256
501 PLOT[178]7[172]4096[170]14[172]256[170]11[172]16[170]11
502 [139][194](LINE)[178]169[167] [142]
510 [129]I[178]0[164]321:[135]X:[151]LINE[170]I,X:[153]""I:[130]:[142]
1000 :
1001 [143] POKE X,Y
1002 [143] SYS PLOT TURNS ON
1003 [143] POINT AT (X,Y)
1004 :
1005 [153]"LOADHIT A KEY TO DISCONTINUE PLOT..":[129]T[178]1[164]1500:[130]
1006 [141]350:[143] BITMAP MODE
1007 [151]174,0:[151]175,32:[151]176,0:[151]177,32:[158]ML:[143] CLEAR $2000-
1008 [151]174,0:[151]175,4:[151]176,1:[151]177,4:[158]ML:[143] SET COLOURS IN $0400-
1010 T0[178]0:T1[178]1000:SC[178]2[172][255][173]T1:[143] MIN,MAX AND SCALE FOR T
1020 X0[178]0:X1[178]255:Y0[178]0:Y1[178]200:[143] MIN,MAX FOR X,Y
1030 A[178](X1[170]X0)[173]2:B[178](X1[171]X0)[173]2:C[178](Y1[170]Y0)[173]2:D[178](Y1[171]Y0)[173]2:P[178]3:Q[178]5:[143] PARAMETERS
1040 [129]T[178]T0 [164] T1:TT[178]T[172]SC
1050 XVLUE[178]A[170]B[172][191](P[172]TT)
1060 YVLUE[178]C[170]D[172][190](Q[172]TT)
1070 [151]X,XVLUE:[151]Y,YVLUE
1080 [158] PLOT
1090 [161]A$:[139]A$[178]""[167][130]T
1095 :
1100 [141]360:[143] NORMAL MODE
1200 [133]"LOADGOT A JOYSTICK";A$:[139][200](A$,1)[178]"Y"[167]1215
1201 [153]"LOADUSE THE 4 KEYS IN THE UPPER LEFT OF"
1202 [153]"OF THE KEYBOARD TO MOVE THE PIXELWAIT."
1203 [153]"  1  WAIT FOR UP    (null)"
1204 [153]"          FREFRE    +"
1205 [153]"  2  WAIT FOR RIGHT + AND"
1206 [153]"          FREFREFREFREFRE +"
1207 [153]"  _  WAIT FOR DOWN  + COMBINATIONS
1208 PRINT"          [184][184][184][184]  [170]"
1209 PRINT" CTRL[146] FOR LEFT  [186]"
1210 PRINT"          [184][184][184][184]"
1211 PRINT"AND SPACE[146] TO QUIT
1212 [137]1250
1213 [137]1250
1214 [153]"             FREFREFREFRE"
1215 [153]"LOADGOODWAIT!"
1220 [153]"STICK IT IN PORT 1 AND MOVE THE"
1230 [153]"WEE PIXEL AROUND."
1240 [153]"HIT THE FIRE BUTTONWAIT TO QUIT"
1250 [153]"HIT A KEY TO BEGIN.."
1260 [161]A$:[139]A$[178]""[167]1260
1270 XX[178]100:YY[178]100
1280 [151]174,0:[151]175,32:[151]176,0:[151]177,32:[158]ML:[143] CLEAR $2000-
1290 [153]"LOAD":[141]350
1300 [151]174,0:[151]175,4:[151]176,1:[151]177,4:[158]ML:[143] SET COLOURS IN $0400-
2000 JX(0)[178]0:JY(0)[178]0
2010 JX(1)[178]0:JY(1)[178][171]1
2020 JX(2)[178]0:JY(2)[178]1
2030 JX(3)[178]0:JY(3)[178]0
2040 JX(4)[178][171]1:JY(4)[178]0
2050 JX(5)[178][171]1:JY(5)[178][171]1
2060 JX(6)[178][171]1:JY(6)[178]1
2070 JX(7)[178]0:JY(7)[178]0
2080 JX(8)[178]1:JY(8)[178]0
2090 JX(9)[178]1:JY(9)[178][171]1
2100 JX(10)[178]1:JY(10)[178]1
2110 JY[178]([168] [194](56321))[175]15:[139]JY[177]10[167]2110
2150 FR[178][171](([194](56321)[175]16)[178]0)
2160 NX[178]XX[170]JX(JY):NY[178]YY[170]JY(JY)
2170 [139]NX[177]0[175]NX[179]256[167] XX[178]NX
2180 [139]NY[177]0[175]NY[179]200[167] YY[178]NY
2190 [151]X,XX:[151]Y,YY:[158] PLOT
2200 [139] FR[178]0 [167] 2110
2210 [153]"LOAD":[129]I[178]1[164]100:[161]A$:[130]:[141]360:[155]200[171]290
5000 [153]"LOADSTOP              GRAPHICS-2                "
5001 [153]"WE'LL MAKE UP A 'NEW' CHARACTER.":[141]63000
5015 [153]"LOADTURN OFF INTERRUPTS..."
5020 [153]"POKE 56334,PEEK(56334)AND254
5025 PRINT"SWITCH OUT THE CIA CHIPS
5026 [153]"(WHICH HANDLE INTERRUPTS!)
5027 PRINT"THEREBY 'EXPOSING' THE CHAR ROM!"
5030 PRINT"POKE 1,PEEK(1)AND251
5035 [153]"TRANSFER SOME STANDARD CHARACTERS
5036 PRINT"FROM 53248 TO 12288."
5040 PRINT"FORI=0TO511                   "
5041 PRINT"POKE12288+I,PEEK(53248+I):NEXT"
5045 PRINT"SWITCH IN I/0 AGAIN"
5050 PRINT"POKE 1,PEEK(1)OR4
5055 [153]"ENABLE INTERRUPTS AGAIN
5060 PRINT"POKE 56334,PEEK(56334)OR1
5070 [151]56334,0:[151]1,51:AA[178]12288:BB[178]53248
5080 [129]II[178]0[164]511:[151]AA[170]II,[194](BB[170]II):[130]:[151]1,55:[151]56334,1:[141]63000
5090 [153]"LOADNOW TELL THE VIDEO CHIP WHERE THE"
5100 [153]"CHARACTER SET IS:"
5110 [153]"POKE 53272,(PEEK(53272)AND240)OR12":[151]53272,29
5120 [153]"NOW LET'S CHANGE A FEW CHARACTERS!!":[141]63000
5130 [153]"LOADPICK A CHARACTER ('Q'=QUIT":[133]C$:[139]C$[178]"Q"[167][142]
5140 [153]""C$:C[178][194](1024):MEM[178]12288[170]8[172]C
5150 [153]"CURRENT 8 BYTES FOR "C$":"
5160 [129]II[178]0[164]7:M[178]MEM[170]II:[141]5200
5170 [153]X$" ="[194](M):[130]
5180 [153]"8 NEW BYTES PLEASE":[129]II[178]0[164]7:[133] BB$:BB[178][197](BB$)
5190 [151]MEM[170]II,BB:[130]:[141]63000:[137]5130
5200 X[178][194](M):X$[178]"":[129]JJ[178]7[164]0[169][171]1:F[178]2[174]JJ
5210 Y%[178]X[173]F:Y$[178][202]([196](Y%),2)
5220 X$[178]X$[170]Y$:X[178]X[171]F[172]Y%:[130]:[142]
10000 [131]169,0,141,4,125,141,6,125,141,12,125,162,255,173,2,125,205
10001 [131]0,125,176,13,173,0,125,56,237,2,125,141,8,125,76,43,126
10002 [131]237,0,125,141,8,125,238,12,125,173,3,125,205,1,125,176,13
10003 [131]173,1,125,56,237,3,125,141,9,125,76,76,126,237,1,125,141
10004 [131]9,125,238,12,125,238,12,125,173,0,125,141,5,125,173,1,125
10005 [131]141,7,125,169,1,44,12,125,208,21,173,4,125,56,237,8,125
10006 [131]141,4,125,173,5,125,233,0,141,5,125,76,134,126,173,4,125
10007 [131]24,109,8,125,141,4,125,173,5,125,105,0,141,5,125,169,2
10008 [131]44,12,125,208,21,173,6,125,56,237,9,125,141,6,125,173,7
10009 [131]125,233,0,141,7,125,76,180,126,173,6,125,24,109,9,125,141
10010 [131]6,125,173,7,125,105,0,141,7,125,32,187,126,202,208,158,96
10011 [131]169,32,133,177,169,0,133,176,173,5,125,41,248,32,24,127,173
10012 [131]7,125,41,7,32,24,127,173,7,125,41,248,141,10,125,160,5
10013 [131]32,36,127,173,7,125,41,248,141,10,125,160,3,32,36,127,165
10014 [131]177,201,64,176,36,173,5,125,41,7,141,11,125,169,7,56,237
10015 [131]11,125,168,169,1,136,48,4,10,76,4,127,141,11,125,160,0
10016 [131]177,176,13,11,125,145,176,96,24,101,176,133,176,165,177,105,0
10017 [131]133,177,96,169,0,141,11,125,14,10,125,46,11,125,136,208,247
10018 [131]165,176,24,109,10,125,133,176,165,177,109,11,125,133,177,96
63000 [153]"HIT 'RETURN' TO CONTINUE.."
63001 [161]A$:[139]A$[179][177]""[167]63001
63002 [161]A$:[139]A$[178]""[167]63002
63003 [142]