SCROLL DEMO
FILE INFORMATION
FILENAME(S): SCROLL DEMO
FILE TYPE(S): PRG
FILE SIZE: 1.9K
FIRST SEEN: 2025-11-30 21:13:07
APPEARS ON: 1 disk(s)
FILE HASH
d8e8636529d7bea25363a123b19608fa2df744098343f0737a1838c3b7dd7eb0
FOUND ON DISKS (1 DISKS)
| DISK TITLE | FILENAME | FILE TYPE | COLLECTION | TRACK | SECTOR | ACTIONS |
|---|---|---|---|---|---|---|
| GAZETTE SEPT | SCROLL DEMO | PRG | DuncanTwain | 11 | 9 | DOWNLOAD FILE |
FILE CONTENT & ANALYSIS
> DETECTED: COMMODORE BASIC PROGRAM (LOAD ADDRESS $0801)
00000000: 01 08 47 08 0A 00 8F 20 43 4F 50 59 52 49 47 48 |..G.... COPYRIGH| 00000010: 54 20 31 39 38 37 20 43 4F 4D 50 55 54 45 21 20 |T 1987 COMPUTE! | 00000020: 50 55 42 4C 49 43 41 54 49 4F 4E 53 20 49 4E 43 |PUBLICATIONS INC| 00000030: 2E 20 2D 20 41 4C 4C 20 52 49 47 48 54 53 20 52 |. - ALL RIGHTS R| 00000040: 45 53 45 52 56 45 44 00 6A 08 14 00 8B C2 28 34 |ESERVED.j.....(4| 00000050: 39 31 37 39 29 B3 B1 35 36 A7 93 22 53 43 52 4F |9179)..56.."SCRO| 00000060: 4C 4C 2E 4D 4C 22 2C 38 2C 31 00 8D 08 1E 00 9E |LL.ML",8,1......| 00000070: 34 39 38 37 33 3A 97 35 33 32 38 30 2C 31 31 3A |49873:.53280,11:| 00000080: 97 35 33 32 38 31 2C 30 3A 99 22 93 22 00 BB 08 |.53281,0:."."...| 00000090: 28 00 99 22 20 20 20 05 43 4F 50 59 52 49 47 48 |(.." .COPYRIGH| 000000A0: 54 20 31 39 38 37 20 43 4F 4D 50 55 54 45 21 20 |T 1987 COMPUTE! | 000000B0: 50 55 42 2E 2C 20 49 4E 43 2E 22 00 DD 08 32 00 |PUB., INC."...2.| 000000C0: 99 A3 31 30 29 22 41 4C 4C 20 52 49 47 48 54 53 |..10)"ALL RIGHTS| 000000D0: 20 52 45 53 45 52 56 45 44 11 11 96 22 00 01 09 | RESERVED..."...| 000000E0: 3C 00 99 22 20 20 20 20 20 20 20 20 20 20 20 2E |<.." .| 000000F0: 2E 2E 50 4C 45 41 53 45 20 57 41 49 54 2E 2E 2E |..PLEASE WAIT...| 00000100: 22 00 0A 09 46 00 8D 34 38 30 00 13 09 50 00 8D |"...F..480...P..| 00000110: 33 32 30 00 3D 09 5A 00 99 22 91 49 4E 54 52 4F |320.=.Z..".INTRO| 00000120: 44 55 43 49 4E 47 20 54 48 45 20 49 4D 50 4F 53 |DUCING THE IMPOS| 00000130: 53 49 42 4C 45 20 53 43 52 4F 4C 4C 22 00 67 09 |SIBLE SCROLL".g.| 00000140: 64 00 99 22 11 50 52 4F 47 52 41 4D 2E 20 4A 55 |d..".PROGRAM. JU| 00000150: 53 54 20 57 41 54 43 48 20 54 48 45 20 53 43 52 |ST WATCH THE SCR| 00000160: 4F 4C 4C 49 4E 47 22 00 92 09 6E 00 99 22 11 4D |OLLING"...n..".M| 00000170: 45 53 53 41 47 45 20 41 54 20 54 48 45 20 42 4F |ESSAGE AT THE BO| 00000180: 54 54 4F 4D 2E 20 4E 4F 54 45 20 48 4F 57 20 49 |TTOM. NOTE HOW I| 00000190: 54 22 00 BE 09 78 00 99 22 11 49 53 20 42 45 4C |T"...x..".IS BEL| 000001A0: 4F 57 20 54 48 45 20 4E 4F 52 4D 41 4C 20 44 41 |OW THE NORMAL DA| 000001B0: 54 41 20 41 52 45 41 2C 20 41 57 41 59 22 00 EC |TA AREA, AWAY"..| 000001C0: 09 82 00 99 22 11 46 52 4F 4D 20 49 4E 54 45 52 |....".FROM INTER| 000001D0: 46 45 52 49 4E 47 20 57 49 54 48 20 41 20 54 45 |FERING WITH A TE| 000001E0: 58 54 20 44 49 53 50 4C 41 59 2E 22 00 F5 09 8C |XT DISPLAY."....| 000001F0: 00 8D 34 33 30 00 00 0A 96 00 9E 34 39 31 35 32 |..430......49152| 00000200: 00 08 0A A0 00 A1 41 24 00 3A 0A AA 00 99 22 93 |......A$.:....".| 00000210: 11 11 11 99 54 48 45 20 53 43 52 4F 4C 4C 49 4E |....THE SCROLLIN| 00000220: 47 20 4D 45 53 53 41 47 45 20 43 41 4E 20 42 45 |G MESSAGE CAN BE| 00000230: 20 45 4E 4C 41 52 47 45 44 22 00 49 0A B4 00 97 | ENLARGED".I....| 00000240: 35 33 32 37 31 2C 32 35 35 00 78 0A BE 00 99 22 |53271,255.x...."| 00000250: 11 42 59 20 43 48 41 4E 47 49 4E 47 20 54 48 45 |.BY CHANGING THE| 00000260: 20 50 52 4F 47 52 41 4D 2C 20 4F 52 20 42 59 20 | PROGRAM, OR BY | 00000270: 53 45 54 54 49 4E 47 22 00 98 0A C8 00 99 22 11 |SETTING"......".| 00000280: 54 48 45 20 53 50 52 49 54 45 20 59 2D 45 58 50 |THE SPRITE Y-EXP| 00000290: 41 4E 53 49 4F 4E 2E 22 00 A1 0A D2 00 8D 34 33 |ANSION."......43| 000002A0: 30 00 B0 0A DC 00 9E 34 39 36 32 38 3A A1 41 24 |0......49628:.A$| 000002B0: 00 BF 0A E6 00 97 35 33 32 37 31 2C 31 37 30 00 |......53271,170.| 000002C0: FA 0A F0 00 99 22 11 11 11 11 11 11 11 11 11 9A |....."..........| 000002D0: 4F 52 20 48 4F 57 20 41 42 4F 55 54 20 27 55 50 |OR HOW ABOUT 'UP| 000002E0: 20 41 4E 44 20 44 4F 57 4E 20 53 43 52 4F 4C 4C | AND DOWN SCROLL| 000002F0: 27 3F 22 3A 9E 34 39 36 32 38 00 31 0B FA 00 99 |'?":.49628.1....| 00000300: 22 93 9A 11 11 11 11 11 11 11 11 20 20 20 2E 2E |".......... ..| 00000310: 2E 4F 52 20 43 4F 4C 4F 52 20 43 48 41 4E 47 45 |.OR COLOR CHANGE| 00000320: 53 20 54 4F 20 54 48 45 20 53 43 52 45 45 4E 3F |S TO THE SCREEN?| 00000330: 22 00 50 0B 04 01 81 41 B2 30 A4 32 34 30 3A 97 |".P....A.0.240:.| 00000340: 34 39 32 36 37 2C 41 3A 82 3A 97 31 39 38 2C 30 |49267,A:.:.198,0| 00000350: 00 81 0B 0E 01 99 22 93 11 11 11 9A 20 20 20 20 |......"..... | 00000360: 50 52 45 53 53 20 41 4E 59 20 4B 45 59 20 54 4F |PRESS ANY KEY TO| 00000370: 20 53 54 41 52 54 20 44 45 4D 4F 20 4F 56 45 52 | START DEMO OVER| 00000380: 22 00 8E 0B 18 01 97 35 33 32 36 39 2C 30 00 B5 |"......53269,0..| 00000390: 0B 22 01 97 35 33 32 38 30 2C BB 28 31 29 AC 31 |."..53280,.(1).1| 000003A0: 35 3A A1 41 24 3A 91 AB 28 41 24 B2 22 22 29 89 |5:.A$:..(A$."").| 000003B0: 32 39 30 3A 8A 00 BB 0B 2C 01 80 00 DB 0B 36 01 |290:....,.....6.| 000003C0: 8F 20 50 4F 4B 45 20 49 4E 20 4D 45 53 53 41 47 |. POKE IN MESSAG| 000003D0: 45 20 46 52 4F 4D 20 44 41 54 41 00 E8 0B 40 01 |E FROM DATA...@.| 000003E0: 49 B2 37 AC 34 30 39 36 00 06 0C 4A 01 87 20 58 |I.7.4096...J.. X| 000003F0: 24 3A 8B 20 58 24 B2 22 45 4E 44 22 20 A7 20 97 |$:. X$."END" . .| 00000400: 20 49 2C 30 3A 8E 00 3D 0C 54 01 81 5A B2 31 A4 | I,0:..=.T..Z.1.| 00000410: C3 28 58 24 29 3A 47 B2 C6 28 CA 28 58 24 2C 5A |.(X$):G..(.(X$,Z| 00000420: 2C 31 29 29 3A 8B 47 B1 B2 36 34 AF 47 B3 B2 39 |,1)):.G..64.G..9| 00000430: 35 A7 47 B2 47 AB 36 34 3A 89 33 36 30 00 52 0C |5.G.G.64:.360.R.| 00000440: 5E 01 8B 47 B1 39 35 A7 47 B2 B5 28 47 AB 31 32 |^..G.95.G..(G.12| 00000450: 38 29 00 68 0C 68 01 97 49 2C 47 3A 49 B2 49 AA |8).h.h..I,G:I.I.| 00000460: 31 3A 82 3A 89 33 33 30 00 7F 0C 72 01 8F 20 44 |1:.:.330...r.. D| 00000470: 41 54 41 20 46 4F 52 20 4D 45 53 53 41 47 45 00 |ATA FOR MESSAGE.| 00000480: C8 0C 7C 01 83 22 54 48 49 53 20 49 53 20 54 48 |..|.."THIS IS TH| 00000490: 45 20 53 43 52 4F 4C 4C 20 50 52 4F 47 52 41 4D |E SCROLL PROGRAM| 000004A0: 20 57 48 49 43 48 20 44 45 46 49 45 53 20 54 48 | WHICH DEFIES TH| 000004B0: 45 20 4E 4F 52 4D 41 4C 20 50 48 59 53 49 43 53 |E NORMAL PHYSICS| 000004C0: 20 4F 46 20 54 48 45 22 00 12 0D 86 01 83 22 20 | OF THE"......" | 000004D0: 56 49 43 2D 49 49 20 43 48 49 50 2E 2E 2E 20 20 |VIC-II CHIP... | 000004E0: 20 20 42 59 20 55 53 49 4E 47 20 52 41 53 54 45 | BY USING RASTE| 000004F0: 52 20 49 4E 54 45 52 52 55 50 54 53 2C 20 54 48 |R INTERRUPTS, TH| 00000500: 45 20 50 52 4F 47 52 41 4D 20 54 52 49 43 4B 53 |E PROGRAM TRICKS| 00000510: 20 22 00 56 0D 90 01 83 22 54 48 45 20 43 4F 4D | ".V...."THE COM| 00000520: 50 55 54 45 52 20 49 4E 54 4F 20 44 49 53 50 4C |PUTER INTO DISPL| 00000530: 41 59 49 4E 47 20 53 50 52 49 54 45 53 20 42 45 |AYING SPRITES BE| 00000540: 4C 4F 57 20 54 48 45 20 42 4F 52 44 45 52 2E 20 |LOW THE BORDER. | 00000550: 54 48 49 53 20 22 00 A1 0D 9A 01 83 22 45 4E 41 |THIS "......"ENA| 00000560: 42 4C 45 53 20 54 48 45 20 55 53 45 52 20 54 4F |BLES THE USER TO| 00000570: 20 53 43 52 4F 4C 4C 20 4D 45 53 53 41 47 45 53 | SCROLL MESSAGES| 00000580: 20 49 4E 20 54 48 45 20 41 52 45 41 20 57 48 45 | IN THE AREA WHE| 00000590: 52 45 20 44 41 54 41 20 55 53 55 41 4C 4C 59 20 |RE DATA USUALLY | 000005A0: 22 00 C1 0D A4 01 83 22 44 4F 45 53 4E 27 54 20 |"......"DOESN'T | 000005B0: 42 45 4C 4F 4E 47 21 20 20 20 22 2C 22 45 4E 44 |BELONG! ","END| 000005C0: 22 00 EF 0D AE 01 99 22 13 11 11 11 11 11 11 11 |"......"........| 000005D0: 11 11 11 11 11 11 11 11 11 11 11 11 05 22 3B 3A |.............";:| 000005E0: 81 41 B2 31 A4 34 30 3A 99 22 2D 22 3B 3A 82 00 |.A.1.40:."-";:..| 000005F0: 18 0E B8 01 99 22 9E 20 20 20 20 20 20 20 50 52 |.....". PR| 00000600: 45 53 53 20 41 4E 59 20 4B 45 59 20 54 4F 20 53 |ESS ANY KEY TO S| 00000610: 45 45 20 4D 4F 52 45 22 00 34 0E C2 01 81 41 B2 |EE MORE".4....A.| 00000620: 31 A4 34 30 3A 99 22 05 2D 22 3B 3A 82 3A 99 22 |1.40:.".-";:.:."| 00000630: 13 22 3A 8E 00 3A 0E CC 01 80 00 55 0E D6 01 8F |.":..:.....U....| 00000640: 20 4C 4F 41 44 20 41 20 43 48 41 52 41 43 54 45 | LOAD A CHARACTE| 00000650: 52 20 53 45 54 00 94 0E E0 01 8E 3A 20 B3 AB AB |R SET......: ...| 00000660: AB AB AB AB AB 8F 20 45 52 41 53 45 20 54 48 49 |...... ERASE THI| 00000670: 53 20 4C 49 4E 45 20 54 4F 20 4C 4F 41 44 20 43 |S LINE TO LOAD C| 00000680: 55 53 54 4F 4D 49 5A 45 44 20 43 48 41 52 41 43 |USTOMIZED CHARAC| 00000690: 54 45 52 53 00 DE 0E EA 01 97 34 39 37 32 35 2C |TERS......49725,| 000006A0: 39 36 20 3A 8F 20 54 55 52 4E 20 4F 46 46 20 43 |96 :. TURN OFF C| 000006B0: 4F 50 59 20 53 55 42 52 4F 55 54 49 4E 45 20 28 |OPY SUBROUTINE (| 000006C0: 50 4F 4B 45 34 39 37 32 35 2C 32 33 34 20 54 4F |POKE49725,234 TO| 000006D0: 20 52 45 53 54 4F 52 45 20 43 4F 50 59 29 00 13 | RESTORE COPY)..| 000006E0: 0F F4 01 97 31 38 34 2C 32 3A 97 31 38 35 2C 30 |....184,2:.185,0| 000006F0: 3A 97 31 38 36 2C 38 3A 8F 20 50 4F 4B 45 20 31 |:.186,8:. POKE 1| 00000700: 38 36 2C 31 20 46 4F 52 20 44 41 54 41 53 53 45 |86,1 FOR DATASSE| 00000710: 54 54 45 00 44 0F FE 01 46 24 B2 22 43 48 41 52 |TTE.D...F$."CHAR| 00000720: 53 45 54 22 3A 8F 20 54 48 45 20 4E 41 4D 45 20 |SET":. THE NAME | 00000730: 4F 46 20 54 48 45 20 43 48 41 52 41 43 54 45 52 |OF THE CHARACTER| 00000740: 20 53 45 54 00 6C 0F 08 02 97 31 38 33 2C C3 28 | SET.l....183,.(| 00000750: 46 24 29 3A 97 31 38 37 2C 30 3A 97 31 38 38 2C |F$):.187,0:.188,| 00000760: 32 3A 81 49 B2 31 A4 C3 28 46 24 29 00 86 0F 12 |2:.I.1..(F$)....| 00000770: 02 97 35 31 31 AA 49 2C C6 28 CA 28 46 24 2C 49 |..511.I,.(.(F$,I| 00000780: 2C 31 29 29 3A 82 00 A8 0F 1C 02 97 37 38 30 2C |,1)):.......780,| 00000790: 30 3A 97 37 38 31 2C 30 3A 97 37 38 32 2C 31 36 |0:.781,0:.782,16| 000007A0: 30 3A 9E 36 35 34 39 33 00 AE 0F 26 02 8E 00 00 |0:.65493...&....| 000007B0: 00 |. |
..G.... COPYRIGHT 1987 COMPUTE! PUBLICAT IONS INC. - ALL RIGHTS RESERVED.J....B(4 9179)..56.."SCROLL.ML",8,1......49873:.5 3280,11:.53281,0:."."...(.." .COPYRIGH T 1987 COMPUTE! PUB., INC."...2...10)"AL L RIGHTS RESERVED..."...<.." . ..PLEASE WAIT..."...F..480...P..320.=.Z. .".INTRODUCING THE IMPOSSIBLE SCROLL".G. D..".PROGRAM. JUST WATCH THE SCROLLING". ..N..".MESSAGE AT THE BOTTOM. NOTE HOW I T"...X..".IS BELOW THE NORMAL DATA AREA, AWAY"......".FROM INTERFERING WITH A TE XT DISPLAY."......430......49152... ..A$ .:....".....THE SCROLLING MESSAGE CAN BE ENLARGED".I....53271,255.X....".BY CHAN GING THE PROGRAM, OR BY SETTING"...H..". THE SPRITE Y-EXPANSION."...R..430......4 9628:.A$......53271,170......".......... OR HOW ABOUT 'UP AND DOWN SCROLL'?":.496 28.1....".......... ...OR COLOR CHANGE S TO THE SCREEN?".P....A.0.240:.49267,A: .:.198,0......"..... PRESS ANY KEY TO START DEMO OVER"......53269,0..."..5328 0,.(1).15:.A$:..(A$."").290:....,.....6. . POKE IN MESSAGE FROM DATA...@.I.7.4096 ...J.. X$:. X$."END" . . I,0:..=.T..Z.1. C(X$):G.F(J(X$,Z,1)):.G..64.G..95.G.G.64 :.360.R.^..G.95.G..(G.128).H.H..I,G:I.I. 1:.:.330..R.. DATA FOR MESSAGE.H.|.."TH IS IS THE SCROLL PROGRAM WHICH DEFIES TH E NORMAL PHYSICS OF THE"......" VIC-II C HIP... BY USING RASTER INTERRUPTS, TH E PROGRAM TRICKS ".V...."THE COMPUTER IN TO DISPLAYING SPRITES BELOW THE BORDER. THIS "......"ENABLES THE USER TO SCROLL MESSAGES IN THE AREA WHERE DATA USUALLY ".A...."DOESN'T BELONG! ","END"......" .....................";:.A.1.40:."-";:.. .....". PRESS ANY KEY TO SEE MORE" .4.B..A.1.40:.".-";:.:.".":..:.L...U.V.. LOAD A CHARACTER SET......: ......... E RASE THIS LINE TO LOAD CUSTOMIZED CHARAC TERS......49725,96 :. TURN OFF COPY SUBR OUTINE (POKE49725,234 TO RESTORE COPY).. ....184,2:.185,0:.186,8:. POKE 186,1 FOR DATASSETTE.D...F$."CHARSET":. THE NAME OF THE CHARACTER SET.L....183,C(F$):.187 ,0:.188,2:.I.1.C(F$)......511.I,F(J(F$,I ,1)):.......780,0:.781,0:.782,160:.65493 ...&.....
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