Home » Archimedes archive » Acorn User » AU 1993-04.adf » !StarInfo/Files/SpriteDemo/SprDem7

!StarInfo/Files/SpriteDemo/SprDem7

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 » Archimedes archive » Acorn User » AU 1993-04.adf
Filename: !StarInfo/Files/SpriteDemo/SprDem7
Read OK:
File size: 067D bytes
Load address: FFFFFB44
Exec address: 696EA084
File contents
   10REM     >SprDem7 (Info17)
   20REM By  DA
   30REM For 32-bit machines
   40REM (c) BAU April 1993
   50:
   60MODE 13
   70OFF
   80VDU 19,0,24,&80,&80,&80
   90PROCinit_sprite_area
  100PROCmake_picture
  110PROCdemo
  120END
  130:
  140DEF PROCinit_sprite_area
  150sprite_op%=&2E
  160area_size%=161*1024
  170DIM sprites% area_size%,zoom% 16
  180!sprites%=area_size%
  190sprites%!8=16
  200SYS sprite_op%,&109,sprites%
  210SYS sprite_op%,&10F,sprites%,"picture",,320,256,13
  220SYS sprite_op%,&11D,sprites%,"picture"
  230SYS sprite_op%,&3E TO ,,,save_area_size%
  240DIM save_area% save_area_size%
  250ENDPROC
  260:
  270DEF PROCmake_picture
  280PRINT"Please wait..."
  290m$="BBC Acorn User"
  300!save_area%=0
  310SYS sprite_op%,&13C,sprites%,"picture",save_area% TO r0,r1,r2,r3
  320GCOL 128+%101010
  330CLG
  340FOR i%=1 TO 30
  350 x%=RND(1280)-512
  360 y%=RND(1280)-128
  370 xscale=1+RND(1)*4
  380 yscale=1+RND(1)*4
  390 PROCmessage(x%-8,y%-8,xscale,yscale,m$,0)
  400 PROCmessage(x%,y%,xscale,yscale,m$,RND(256)-1)
  410NEXT
  420SYS sprite_op%,r0,r1,r2,r3
  430ENDPROC
  440:
  450DEF PROCmessage(x%,y%,xscale,yscale,t$,c%)
  460LOCAL i%
  470!zoom%=&100*xscale
  480zoom%!4=&100*yscale
  490zoom%!8=&100
  500zoom%!12=&100
  510GCOL (c% AND 63) TINT (c% AND 192)
  520FOR i%=1 TO LEN(t$)
  530 SYS sprite_op%,&33,ASCMID$(t$,i%),,x%,y%,,zoom%
  540 x%+=32*xscale
  550NEXT
  560ENDPROC
  570:
  580DEF PROCdemo
  590n%=8
  600DIM r%(n%),col%(n%),tint%(n%)
  610FOR i%=0 TO n%-1
  620 IF i%<7 col%(i%)=1<<i% ELSE tint%(i%)=1<<i%
  630 r%(i%)=-64*i%
  640NEXT
  650CLS
  660REPEAT
  670 !save_area%=0
  680 SYS sprite_op%,&13D,sprites%,"picture",save_area% TO r0,r1,r2,r3
  690 GCOL 128 TINT 0
  700 CLG
  710 FOR i%=0 TO n%-1
  720  IF r%(i%)>0 THEN
  730   GCOL col%(i%) TINT tint%(i%)
  740   CIRCLE FILL 640,512,r%(i%)
  750  ENDIF
  760  r%(i%)+=16
  770 NEXT
  780 SYS sprite_op%,r0,r1,r2,r3
  790 WAIT
  800 SYS sprite_op%,&122,sprites%,"picture",0,0,8
  810UNTIL r%(7)>820
  820ENDPROC

�     >SprDem7 (Info17)
� By  DA
� For 32-bit machines
(� (c) BAU April 1993
2:
<� 13
F�
P� 19,0,24,&80,&80,&80
Z�init_sprite_area
d�make_picture
n	�demo
x�
�:
�� �init_sprite_area
�sprite_op%=&2E
�area_size%=161*1024
�"� sprites% area_size%,zoom% 16
�!sprites%=area_size%
�sprites%!8=16
�ș sprite_op%,&109,sprites%
�5ș sprite_op%,&10F,sprites%,"picture",,320,256,13
�)ș sprite_op%,&11D,sprites%,"picture"
�*ș sprite_op%,&3E � ,,,save_area_size%
� � save_area% save_area_size%
��
:
� �make_picture
�"Please wait..."
"m$="BBC Acorn User"
,!save_area%=0
6Bș sprite_op%,&13C,sprites%,"picture",save_area% � r0,r1,r2,r3
@� 128+%101010
J�
T� i%=1 � 30
^ x%=�(1280)-512
h y%=�(1280)-128
r xscale=1+�(1)*4
| yscale=1+�(1)*4
�+ �message(x%-8,y%-8,xscale,yscale,m$,0)
�. �message(x%,y%,xscale,yscale,m$,�(256)-1)
��
�ș sprite_op%,r0,r1,r2,r3
��
�:
�)� �message(x%,y%,xscale,yscale,t$,c%)
�� i%
�!zoom%=&100*xscale
�zoom%!4=&100*yscale
�zoom%!8=&100
�zoom%!12=&100
�� (c% � 63) Ȝ (c% � 192)
� i%=1 � �(t$)
- ș sprite_op%,&33,��t$,i%),,x%,y%,,zoom%
 x%+=32*xscale
&�
0�
::
D� �demo
Nn%=8
X� r%(n%),col%(n%),tint%(n%)
b� i%=0 � n%-1
l, � i%<7 col%(i%)=1<<i% � tint%(i%)=1<<i%
v r%(i%)=-64*i%
��
��
��
� !save_area%=0
�C ș sprite_op%,&13D,sprites%,"picture",save_area% � r0,r1,r2,r3
� � 128 Ȝ 0
� �
� � i%=0 � n%-1
�  � r%(i%)>0 �
�   � col%(i%) Ȝ tint%(i%)
�   ȏ Ȑ 640,512,r%(i%)
�  �
�  r%(i%)+=16
 �
 ș sprite_op%,r0,r1,r2,r3
 Ȗ
 0 ș sprite_op%,&122,sprites%,"picture",0,0,8
*� r%(7)>820
4�
�
00000000  0d 00 0a 1b f4 20 20 20  20 20 3e 53 70 72 44 65  |.....     >SprDe|
00000010  6d 37 20 28 49 6e 66 6f  31 37 29 0d 00 14 0c f4  |m7 (Info17).....|
00000020  20 42 79 20 20 44 41 0d  00 1e 19 f4 20 46 6f 72  | By  DA..... For|
00000030  20 33 32 2d 62 69 74 20  6d 61 63 68 69 6e 65 73  | 32-bit machines|
00000040  0d 00 28 18 f4 20 28 63  29 20 42 41 55 20 41 70  |..(.. (c) BAU Ap|
00000050  72 69 6c 20 31 39 39 33  0d 00 32 05 3a 0d 00 3c  |ril 1993..2.:..<|
00000060  08 eb 20 31 33 0d 00 46  05 87 0d 00 50 19 ef 20  |.. 13..F....P.. |
00000070  31 39 2c 30 2c 32 34 2c  26 38 30 2c 26 38 30 2c  |19,0,24,&80,&80,|
00000080  26 38 30 0d 00 5a 15 f2  69 6e 69 74 5f 73 70 72  |&80..Z..init_spr|
00000090  69 74 65 5f 61 72 65 61  0d 00 64 11 f2 6d 61 6b  |ite_area..d..mak|
000000a0  65 5f 70 69 63 74 75 72  65 0d 00 6e 09 f2 64 65  |e_picture..n..de|
000000b0  6d 6f 0d 00 78 05 e0 0d  00 82 05 3a 0d 00 8c 17  |mo..x......:....|
000000c0  dd 20 f2 69 6e 69 74 5f  73 70 72 69 74 65 5f 61  |. .init_sprite_a|
000000d0  72 65 61 0d 00 96 12 73  70 72 69 74 65 5f 6f 70  |rea....sprite_op|
000000e0  25 3d 26 32 45 0d 00 a0  17 61 72 65 61 5f 73 69  |%=&2E....area_si|
000000f0  7a 65 25 3d 31 36 31 2a  31 30 32 34 0d 00 aa 22  |ze%=161*1024..."|
00000100  de 20 73 70 72 69 74 65  73 25 20 61 72 65 61 5f  |. sprites% area_|
00000110  73 69 7a 65 25 2c 7a 6f  6f 6d 25 20 31 36 0d 00  |size%,zoom% 16..|
00000120  b4 18 21 73 70 72 69 74  65 73 25 3d 61 72 65 61  |..!sprites%=area|
00000130  5f 73 69 7a 65 25 0d 00  be 11 73 70 72 69 74 65  |_size%....sprite|
00000140  73 25 21 38 3d 31 36 0d  00 c8 1f c8 99 20 73 70  |s%!8=16...... sp|
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00000170  69 74 65 5f 6f 70 25 2c  26 31 30 46 2c 73 70 72  |ite_op%,&10F,spr|
00000180  69 74 65 73 25 2c 22 70  69 63 74 75 72 65 22 2c  |ites%,"picture",|
00000190  2c 33 32 30 2c 32 35 36  2c 31 33 0d 00 dc 29 c8  |,320,256,13...).|
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000001d0  65 5f 6f 70 25 2c 26 33  45 20 b8 20 2c 2c 2c 73  |e_op%,&3E . ,,,s|
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00000200  61 76 65 5f 61 72 65 61  5f 73 69 7a 65 25 0d 00  |ave_area_size%..|
00000210  fa 05 e1 0d 01 04 05 3a  0d 01 0e 13 dd 20 f2 6d  |.......:..... .m|
00000220  61 6b 65 5f 70 69 63 74  75 72 65 0d 01 18 15 f1  |ake_picture.....|
00000230  22 50 6c 65 61 73 65 20  77 61 69 74 2e 2e 2e 22  |"Please wait..."|
00000240  0d 01 22 17 6d 24 3d 22  42 42 43 20 41 63 6f 72  |..".m$="BBC Acor|
00000250  6e 20 55 73 65 72 22 0d  01 2c 11 21 73 61 76 65  |n User"..,.!save|
00000260  5f 61 72 65 61 25 3d 30  0d 01 36 42 c8 99 20 73  |_area%=0..6B.. s|
00000270  70 72 69 74 65 5f 6f 70  25 2c 26 31 33 43 2c 73  |prite_op%,&13C,s|
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000002a0  30 2c 72 31 2c 72 32 2c  72 33 0d 01 40 11 e6 20  |0,r1,r2,r3..@.. |
000002b0  31 32 38 2b 25 31 30 31  30 31 30 0d 01 4a 05 da  |128+%101010..J..|
000002c0  0d 01 54 0f e3 20 69 25  3d 31 20 b8 20 33 30 0d  |..T.. i%=1 . 30.|
000002d0  01 5e 13 20 78 25 3d b3  28 31 32 38 30 29 2d 35  |.^. x%=.(1280)-5|
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00000330  79 25 2d 38 2c 78 73 63  61 6c 65 2c 79 73 63 61  |y%-8,xscale,ysca|
00000340  6c 65 2c 6d 24 2c 30 29  0d 01 90 2e 20 f2 6d 65  |le,m$,0).... .me|
00000350  73 73 61 67 65 28 78 25  2c 79 25 2c 78 73 63 61  |ssage(x%,y%,xsca|
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00000370  35 36 29 2d 31 29 0d 01  9a 05 ed 0d 01 a4 1d c8  |56)-1)..........|
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00000390  72 31 2c 72 32 2c 72 33  0d 01 ae 05 e1 0d 01 b8  |r1,r2,r3........|
000003a0  05 3a 0d 01 c2 29 dd 20  f2 6d 65 73 73 61 67 65  |.:...). .message|
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00000420  30 0d 01 fe 1d e6 20 28  63 25 20 80 20 36 33 29  |0..... (c% . 63)|
00000430  20 c8 9c 20 28 63 25 20  80 20 31 39 32 29 0d 02  | .. (c% . 192)..|
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00000510  12 20 72 25 28 69 25 29  3d 2d 36 34 2a 69 25 0d  |. r%(i%)=-64*i%.|
00000520  02 80 05 ed 0d 02 8a 05  db 0d 02 94 05 f5 0d 02  |................|
00000530  9e 12 20 21 73 61 76 65  5f 61 72 65 61 25 3d 30  |.. !save_area%=0|
00000540  0d 02 a8 43 20 c8 99 20  73 70 72 69 74 65 5f 6f  |...C .. sprite_o|
00000550  70 25 2c 26 31 33 44 2c  73 70 72 69 74 65 73 25  |p%,&13D,sprites%|
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000005e0  20 c8 8f 20 c8 90 20 36  34 30 2c 35 31 32 2c 72  | .. .. 640,512,r|
000005f0  25 28 69 25 29 0d 02 ee  07 20 20 cd 0d 02 f8 10  |%(i%)....  .....|
00000600  20 20 72 25 28 69 25 29  2b 3d 31 36 0d 03 02 06  |  r%(i%)+=16....|
00000610  20 ed 0d 03 0c 1e 20 c8  99 20 73 70 72 69 74 65  | ..... .. sprite|
00000620  5f 6f 70 25 2c 72 30 2c  72 31 2c 72 32 2c 72 33  |_op%,r0,r1,r2,r3|
00000630  0d 03 16 07 20 c8 96 0d  03 20 30 20 c8 99 20 73  |.... .... 0 .. s|
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00000670  37 29 3e 38 32 30 0d 03  34 05 e1 0d ff           |7)>820..4....|
0000067d