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main 16.9.95

This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.

Tape/disk: Home » Personal collection » Commodore disks » disk47a_unlabelled.d64
Filename: main 16.9.95
Read OK:
File size: 05EF bytes
Load address: 0801
Exec address: 0000
File contents
    10 ; CRYSTALS OF OLYMPIA - MAIN PROGRAM
    20 ; BY DOMINIC FORD
    30 ; DECEMBER '94 -
    40 *=$C000
  1000 ; VARIABLES
  1010 TUNE=$CF80
  1020 MLO=$FB
  1030 MHI=$FC
  1040 NW=$CF81
  3000 ; MUSIC ROUTINES
  3010 MUSIC LDA NW
  3020 BEQ READ
  3025 INC NW
  3030 RTS
  3040 READ LDY #$00
  3050 LDA (MLO),Y
  3060 AND #$01
  3070 BEQ CONTMA
  3080 LDA #$07
  3090 CONTMA TAX
  3100 LDA (MLO),Y
  3110 LSR A
  3120 STA NW
  3130 INY
  3140 CMP #$06
  3150 BNE MRCONT
  3160 LDA (MLO),Y
  3170 STA $D404,X
  3180 INY
  3190 LDA (MLO),Y
  3200 STA $D405,X
  3210 INY
  3220 LDA (MLO),Y
  3230 STA $D406,X
  3240 JMP MFIN
  3250 MRCONT LDA (MLO),Y
  3260 STY $02
  3270 TAY
  3280 LDA MDAT,Y
  3290 STA $D400,X
  3350 LDA MDATB,Y
  3360 STA $D401,X
  3370 LDY $02
  3380 MFIN INY
  3390 TYA
  3400 CLC
  3410 ADC $FB
  3420 STA $FB
  3430 LDA $FC
  3440 ADC #$00
  3450 STA $FC
  3460 RTS
  4000 MDAT TXT 12,28,45,62,81,102,123
  4010 TXT 145,169,195,221,250,24,56,90
  4020 TXT 125,163,204,246,35,83,134,187
  4030 TXT 244,48,112,180,251,71,152,237
  4040 TXT 71,167,12,119,233,97,225,104
  4050 TXT 247,143,48,218,143,78,24,239
  4060 TXT 210,195,195,209,239,31,96,181
  4070 TXT 30,156,49,223,165,135,134,162
  4080 TXT 223,62,193,107,60,57,99,190,75
  4090 TXT 15,12,69,191,125,131,214,121
  4100 TXT 115,199,124,151,30,24,139,126
  4110 TXT 250,6,172,243,230,143,248,46
  4120 MDATB TXT 1,1,1,1,1,1,1,1,1,1,1,1
  4130 TXT 2,2,2,2,2,2,2,3,3,3,3,3,4,4,4
  4140 TXT 4,5,5,5,6,6,7,7,7,8,8,9,9,10
  4150 TXT 11,11,12,13,14,14,15,16,17,18
  4160 TXT 19,21,22,23,25,26,28,29,31,33
  4170 TXT 35,37,39,42,44,47,50,53,56,59
  4180 TXT 63,67,71,75,79,84,89,94,100
  4190 TXT 106,112,119,126,134,142,150
  4200 TXT 159,168,179,189,200,212,225
  4210 TXT 238,253

*
; CRYSTALS OF OLYMPIA � MAIN PROGRAM>; BY DOMINIC �DS; DECEMBER '94 �_(��$C000o�; VARIABLES~�TUNE�$CF80��MLO�$FB�MHI�$FC�NW�$CF81��; MUSIC ROUTINES��MUSIC LDA NW��BEQ ���INC NW��RTS��� LDY #$00	�LDA (MLO),Y	�� #$01	�BEQ �MA)	LDA #$075	�MA TAXE	LDA (MLO),YO	&LSR AZ	0STA NWb	:INYo	DCMP #$06{	NBNE MR��	XLDA (MLO),Y�	bSTA $D404,X�	lINY�	vLDA (MLO),Y�	�STA $D405,X�	�INY�	�LDA (MLO),Y�	�STA $D406,X�	�JMP MFIN
�MR� LDA (MLO),Y
�STY $02 
�TAY/
�LDA MDAT,Y?
�STA $D400,XO

LDA MDATB,Y_
 
STA $D401,Xk
*
LDY $02x
4
MFIN INY�
>
TYA�
H
CLC�
R
ADC $FB�
\
STA $FB�
f
LDA $FC�
p
ADC #$00�
z
STA $FC�
�
RTS�
�MDAT TXT 12,28,45,62,81,102,123�TXT 145,169,195,221,250,24,56,90<�TXT 125,163,204,246,35,83,134,187b�TXT 244,48,112,180,251,71,152,237��TXT 71,167,12,119,233,97,225,104��TXT 247,143,48,218,143,78,24,239��TXT 210,195,195,209,239,31,96,181��TXT 30,156,49,223,165,135,134,162�TXT 223,62,193,107,60,57,99,190,75D�TXT 15,12,69,191,125,131,214,121jTXT 115,199,124,151,30,24,139,126�TXT 250,6,172,243,230,143,248,46�MDATB TXT 1,1,1,1,1,1,1,1,1,1,1,1�"TXT 2,2,2,2,2,2,2,3,3,3,3,3,4,4,4
,TXT 4,5,5,5,6,6,7,7,7,8,8,9,9,10&
6TXT 11,11,12,13,14,14,15,16,17,18L
@TXT 19,21,22,23,25,26,28,29,31,33r
JTXT 35,37,39,42,44,47,50,53,56,59�
TTXT 63,67,71,75,79,84,89,94,100�
^TXT 106,112,119,126,134,142,150�
hTXT 159,168,179,189,200,212,225�
rTXT 238,253
*HJ@; crystals of olympia . main program@>HT@; by dominic .d@sH.@; december '94 .@.H(@..$c000@OH.C; variables@.H.Ctune.$cf80@.H.Cmlo.$fb@.HFDmhi.$fc@.HPDnw.$cf81@.H.K; music routines@.H.Kmusic lda nw@.H.Kbeq .@.H.Kinc nw@.H.Krts@.H.K. ldy #$00@EI.Klda (mlo),y@PI.K. #$01@£I.Kbeq .ma@)IHLlda #$07@5IRL.ma tax@eI£Llda (mlo),y@oI&Llsr a@zI0Lsta nw@BI:Liny@OIdLcmp #$06@.InLbne mr.@.IxLlda (mlo),y@.IBLsta $d404,x@.ILLiny@.IVLlda (mlo),y@.I.Lsta $d405,x@.I.Liny@.I.Llda (mlo),y@.I.Lsta $d406,x@.I.Ljmp mfin@LJ.Lmr. lda (mlo),y@XJ.Lsty $02@ J.Ltay@/J.Llda mdat,y@?J.Lsta $d400,x@oJVMlda mdatb,y@.J Msta $d401,x@KJ*Mldy $02@XJ4Mmfin iny@.J>Mtya@.JhMclc@.JrMadc $fb@.J£Msta $fb@.JFMlda $fc@.JPMadc #$00@.JZMsta $fc@.J.Mrts@.J.Omdat txt 12,28,45,62,81,102,123@VK.Otxt 145,169,195,221,250,24,56,90@<K.Otxt 125,163,204,246,35,83,134,187@BK.Otxt 244,48,112,180,251,71,152,237@.K.Otxt 71,167,12,119,233,97,225,104@.K.Otxt 247,143,48,218,143,78,24,239@.K.Otxt 210,195,195,209,239,31,96,181@.K.Otxt 30,156,49,223,165,135,134,162@.L.Otxt 223,62,193,107,60,57,99,190,75@dL.Otxt 15,12,69,191,125,131,214,121@JLDPtxt 115,199,124,151,30,24,139,126@.LNPtxt 250,6,172,243,230,143,248,46@.LXPmdatb txt 1,1,1,1,1,1,1,1,1,1,1,1@.L"Ptxt 2,2,2,2,2,2,2,3,3,3,3,3,4,4,4@@M,Ptxt 4,5,5,5,6,6,7,7,7,8,8,9,9,10@&M6Ptxt 11,11,12,13,14,14,15,16,17,18@lM@Ptxt 19,21,22,23,25,26,28,29,31,33@RMjPtxt 35,37,39,42,44,47,50,53,56,59@.MtPtxt 63,67,71,75,79,84,89,94,100@.M.Ptxt 106,112,119,126,134,142,150@.MHPtxt 159,168,179,189,200,212,225@.MRPtxt 238,253@@@
00000000  2a 08 0a 00 3b 20 43 52  59 53 54 41 4c 53 20 4f  |*...; CRYSTALS O|
00000010  46 20 4f 4c 59 4d 50 49  41 20 ab 20 4d 41 49 4e  |F OLYMPIA . MAIN|
00000020  20 50 52 4f 47 52 41 4d  00 3e 08 14 00 3b 20 42  | PROGRAM.>...; B|
00000030  59 20 44 4f 4d 49 4e 49  43 20 81 44 00 53 08 1e  |Y DOMINIC .D.S..|
00000040  00 3b 20 44 45 43 45 4d  42 45 52 20 27 39 34 20  |.; DECEMBER '94 |
00000050  ab 00 5f 08 28 00 ac b2  24 43 30 30 30 00 6f 08  |.._.(...$C000.o.|
00000060  e8 03 3b 20 56 41 52 49  41 42 4c 45 53 00 7e 08  |..; VARIABLES.~.|
00000070  f2 03 54 55 4e 45 b2 24  43 46 38 30 00 8a 08 fc  |..TUNE.$CF80....|
00000080  03 4d 4c 4f b2 24 46 42  00 96 08 06 04 4d 48 49  |.MLO.$FB.....MHI|
00000090  b2 24 46 43 00 a3 08 10  04 4e 57 b2 24 43 46 38  |.$FC.....NW.$CF8|
000000a0  31 00 b8 08 b8 0b 3b 20  4d 55 53 49 43 20 52 4f  |1.....; MUSIC RO|
000000b0  55 54 49 4e 45 53 00 c9  08 c2 0b 4d 55 53 49 43  |UTINES.....MUSIC|
000000c0  20 4c 44 41 20 4e 57 00  d3 08 cc 0b 42 45 51 20  | LDA NW.....BEQ |
000000d0  87 00 de 08 d1 0b 49 4e  43 20 4e 57 00 e6 08 d6  |......INC NW....|
000000e0  0b 52 54 53 00 f5 08 e0  0b 87 20 4c 44 59 20 23  |.RTS...... LDY #|
000000f0  24 30 30 00 05 09 ea 0b  4c 44 41 20 28 4d 4c 4f  |$00.....LDA (MLO|
00000100  29 2c 59 00 10 09 f4 0b  af 20 23 24 30 31 00 1c  |),Y...... #$01..|
00000110  09 fe 0b 42 45 51 20 9a  4d 41 00 29 09 08 0c 4c  |...BEQ .MA.)...L|
00000120  44 41 20 23 24 30 37 00  35 09 12 0c 9a 4d 41 20  |DA #$07.5....MA |
00000130  54 41 58 00 45 09 1c 0c  4c 44 41 20 28 4d 4c 4f  |TAX.E...LDA (MLO|
00000140  29 2c 59 00 4f 09 26 0c  4c 53 52 20 41 00 5a 09  |),Y.O.&.LSR A.Z.|
00000150  30 0c 53 54 41 20 4e 57  00 62 09 3a 0c 49 4e 59  |0.STA NW.b.:.INY|
00000160  00 6f 09 44 0c 43 4d 50  20 23 24 30 36 00 7b 09  |.o.D.CMP #$06.{.|
00000170  4e 0c 42 4e 45 20 4d 52  9a 00 8b 09 58 0c 4c 44  |N.BNE MR....X.LD|
00000180  41 20 28 4d 4c 4f 29 2c  59 00 9b 09 62 0c 53 54  |A (MLO),Y...b.ST|
00000190  41 20 24 44 34 30 34 2c  58 00 a3 09 6c 0c 49 4e  |A $D404,X...l.IN|
000001a0  59 00 b3 09 76 0c 4c 44  41 20 28 4d 4c 4f 29 2c  |Y...v.LDA (MLO),|
000001b0  59 00 c3 09 80 0c 53 54  41 20 24 44 34 30 35 2c  |Y.....STA $D405,|
000001c0  58 00 cb 09 8a 0c 49 4e  59 00 db 09 94 0c 4c 44  |X.....INY.....LD|
000001d0  41 20 28 4d 4c 4f 29 2c  59 00 eb 09 9e 0c 53 54  |A (MLO),Y.....ST|
000001e0  41 20 24 44 34 30 36 2c  58 00 f8 09 a8 0c 4a 4d  |A $D406,X.....JM|
000001f0  50 20 4d 46 49 4e 00 0c  0a b2 0c 4d 52 9a 20 4c  |P MFIN.....MR. L|
00000200  44 41 20 28 4d 4c 4f 29  2c 59 00 18 0a bc 0c 53  |DA (MLO),Y.....S|
00000210  54 59 20 24 30 32 00 20  0a c6 0c 54 41 59 00 2f  |TY $02. ...TAY./|
00000220  0a d0 0c 4c 44 41 20 4d  44 41 54 2c 59 00 3f 0a  |...LDA MDAT,Y.?.|
00000230  da 0c 53 54 41 20 24 44  34 30 30 2c 58 00 4f 0a  |..STA $D400,X.O.|
00000240  16 0d 4c 44 41 20 4d 44  41 54 42 2c 59 00 5f 0a  |..LDA MDATB,Y._.|
00000250  20 0d 53 54 41 20 24 44  34 30 31 2c 58 00 6b 0a  | .STA $D401,X.k.|
00000260  2a 0d 4c 44 59 20 24 30  32 00 78 0a 34 0d 4d 46  |*.LDY $02.x.4.MF|
00000270  49 4e 20 49 4e 59 00 80  0a 3e 0d 54 59 41 00 88  |IN INY...>.TYA..|
00000280  0a 48 0d 43 4c 43 00 94  0a 52 0d 41 44 43 20 24  |.H.CLC...R.ADC $|
00000290  46 42 00 a0 0a 5c 0d 53  54 41 20 24 46 42 00 ac  |FB...\.STA $FB..|
000002a0  0a 66 0d 4c 44 41 20 24  46 43 00 b9 0a 70 0d 41  |.f.LDA $FC...p.A|
000002b0  44 43 20 23 24 30 30 00  c5 0a 7a 0d 53 54 41 20  |DC #$00...z.STA |
000002c0  24 46 43 00 cd 0a 84 0d  52 54 53 00 f1 0a a0 0f  |$FC.....RTS.....|
000002d0  4d 44 41 54 20 54 58 54  20 31 32 2c 32 38 2c 34  |MDAT TXT 12,28,4|
000002e0  35 2c 36 32 2c 38 31 2c  31 30 32 2c 31 32 33 00  |5,62,81,102,123.|
000002f0  16 0b aa 0f 54 58 54 20  31 34 35 2c 31 36 39 2c  |....TXT 145,169,|
00000300  31 39 35 2c 32 32 31 2c  32 35 30 2c 32 34 2c 35  |195,221,250,24,5|
00000310  36 2c 39 30 00 3c 0b b4  0f 54 58 54 20 31 32 35  |6,90.<...TXT 125|
00000320  2c 31 36 33 2c 32 30 34  2c 32 34 36 2c 33 35 2c  |,163,204,246,35,|
00000330  38 33 2c 31 33 34 2c 31  38 37 00 62 0b be 0f 54  |83,134,187.b...T|
00000340  58 54 20 32 34 34 2c 34  38 2c 31 31 32 2c 31 38  |XT 244,48,112,18|
00000350  30 2c 32 35 31 2c 37 31  2c 31 35 32 2c 32 33 37  |0,251,71,152,237|
00000360  00 87 0b c8 0f 54 58 54  20 37 31 2c 31 36 37 2c  |.....TXT 71,167,|
00000370  31 32 2c 31 31 39 2c 32  33 33 2c 39 37 2c 32 32  |12,119,233,97,22|
00000380  35 2c 31 30 34 00 ac 0b  d2 0f 54 58 54 20 32 34  |5,104.....TXT 24|
00000390  37 2c 31 34 33 2c 34 38  2c 32 31 38 2c 31 34 33  |7,143,48,218,143|
000003a0  2c 37 38 2c 32 34 2c 32  33 39 00 d2 0b dc 0f 54  |,78,24,239.....T|
000003b0  58 54 20 32 31 30 2c 31  39 35 2c 31 39 35 2c 32  |XT 210,195,195,2|
000003c0  30 39 2c 32 33 39 2c 33  31 2c 39 36 2c 31 38 31  |09,239,31,96,181|
000003d0  00 f8 0b e6 0f 54 58 54  20 33 30 2c 31 35 36 2c  |.....TXT 30,156,|
000003e0  34 39 2c 32 32 33 2c 31  36 35 2c 31 33 35 2c 31  |49,223,165,135,1|
000003f0  33 34 2c 31 36 32 00 1f  0c f0 0f 54 58 54 20 32  |34,162.....TXT 2|
00000400  32 33 2c 36 32 2c 31 39  33 2c 31 30 37 2c 36 30  |23,62,193,107,60|
00000410  2c 35 37 2c 39 39 2c 31  39 30 2c 37 35 00 44 0c  |,57,99,190,75.D.|
00000420  fa 0f 54 58 54 20 31 35  2c 31 32 2c 36 39 2c 31  |..TXT 15,12,69,1|
00000430  39 31 2c 31 32 35 2c 31  33 31 2c 32 31 34 2c 31  |91,125,131,214,1|
00000440  32 31 00 6a 0c 04 10 54  58 54 20 31 31 35 2c 31  |21.j...TXT 115,1|
00000450  39 39 2c 31 32 34 2c 31  35 31 2c 33 30 2c 32 34  |99,124,151,30,24|
00000460  2c 31 33 39 2c 31 32 36  00 8f 0c 0e 10 54 58 54  |,139,126.....TXT|
00000470  20 32 35 30 2c 36 2c 31  37 32 2c 32 34 33 2c 32  | 250,6,172,243,2|
00000480  33 30 2c 31 34 33 2c 32  34 38 2c 34 36 00 b5 0c  |30,143,248,46...|
00000490  18 10 4d 44 41 54 42 20  54 58 54 20 31 2c 31 2c  |..MDATB TXT 1,1,|
000004a0  31 2c 31 2c 31 2c 31 2c  31 2c 31 2c 31 2c 31 2c  |1,1,1,1,1,1,1,1,|
000004b0  31 2c 31 00 db 0c 22 10  54 58 54 20 32 2c 32 2c  |1,1...".TXT 2,2,|
000004c0  32 2c 32 2c 32 2c 32 2c  32 2c 33 2c 33 2c 33 2c  |2,2,2,2,2,3,3,3,|
000004d0  33 2c 33 2c 34 2c 34 2c  34 00 00 0d 2c 10 54 58  |3,3,4,4,4...,.TX|
000004e0  54 20 34 2c 35 2c 35 2c  35 2c 36 2c 36 2c 37 2c  |T 4,5,5,5,6,6,7,|
000004f0  37 2c 37 2c 38 2c 38 2c  39 2c 39 2c 31 30 00 26  |7,7,8,8,9,9,10.&|
00000500  0d 36 10 54 58 54 20 31  31 2c 31 31 2c 31 32 2c  |.6.TXT 11,11,12,|
00000510  31 33 2c 31 34 2c 31 34  2c 31 35 2c 31 36 2c 31  |13,14,14,15,16,1|
00000520  37 2c 31 38 00 4c 0d 40  10 54 58 54 20 31 39 2c  |7,18.L.@.TXT 19,|
00000530  32 31 2c 32 32 2c 32 33  2c 32 35 2c 32 36 2c 32  |21,22,23,25,26,2|
00000540  38 2c 32 39 2c 33 31 2c  33 33 00 72 0d 4a 10 54  |8,29,31,33.r.J.T|
00000550  58 54 20 33 35 2c 33 37  2c 33 39 2c 34 32 2c 34  |XT 35,37,39,42,4|
00000560  34 2c 34 37 2c 35 30 2c  35 33 2c 35 36 2c 35 39  |4,47,50,53,56,59|
00000570  00 96 0d 54 10 54 58 54  20 36 33 2c 36 37 2c 37  |...T.TXT 63,67,7|
00000580  31 2c 37 35 2c 37 39 2c  38 34 2c 38 39 2c 39 34  |1,75,79,84,89,94|
00000590  2c 31 30 30 00 ba 0d 5e  10 54 58 54 20 31 30 36  |,100...^.TXT 106|
000005a0  2c 31 31 32 2c 31 31 39  2c 31 32 36 2c 31 33 34  |,112,119,126,134|
000005b0  2c 31 34 32 2c 31 35 30  00 de 0d 68 10 54 58 54  |,142,150...h.TXT|
000005c0  20 31 35 39 2c 31 36 38  2c 31 37 39 2c 31 38 39  | 159,168,179,189|
000005d0  2c 32 30 30 2c 32 31 32  2c 32 32 35 00 ee 0d 72  |,200,212,225...r|
000005e0  10 54 58 54 20 32 33 38  2c 32 35 33 00 00 00     |.TXT 238,253...|
000005ef