Home » Personal collection » Acorn ADFS disks » Archimedes » Dominic_3.ADF » Files/Programs/SpinZoomF

Files/Programs/SpinZoomF

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 » Acorn ADFS disks » Archimedes » Dominic_3.ADF
Filename: Files/Programs/SpinZoomF
Read OK:
File size: 13A7 bytes
Load address: FFFFFB45
Exec address: 7CF1D148
Duplicates

There are 2 duplicate copies of this file in the archive:

File contents
    1REM ** Real time spin & zoom Version 2 - loops unwrapped **
    2REM ** By Benjohn Barnes & Alan Taylor (University of Warwick) **
    3REM ** Move mouse left/right to zoom ** 
    4
    5MODE13
    6hpix% = 320
    7vpix% = 256
    8OFF
    9
   10DIM Code% 1024
   11
   12result         = 0
   13point          = 1
   14endofline      = 2
   15finished       = 3
   16worldlinestart = 4
   17worldxy        = 5
   18worldli        = 6
   19worlddi        = 7
   20colour         = 8
   21colour2        = 9
   22colour3        = 10
   23colour4        = 11
   24mask           = 12
   25link           = 14
   26pc             = 15
   27
   28FOR Pass%=0 TO 2 STEP 2
   29P%=Code%
   30[
   31OPT Pass%
   32
   33.begin   STMFD r13!, {link}
   34         LDR    point, ssa
   35         LDR    endofline, eol
   36         LDR    finished, sea
   37         LDR    worldlinestart, wxy
   38         MOV    worldxy,   worldlinestart
   39         LDR    worldli, wli
   40         LDR    worlddi, wdi
   41         MOV    mask, #&ff000000
   42
   43.loop    AND    result, worldxy, worldxy, ASL #16
   44         AND    result, result, mask
   45         MOV    colour, result, LSR #24
   46         ADD    worldxy, worldxy, worldli
   47
   48         AND    result, worldxy, worldxy, ASL #16
   49         AND    result, result, mask
   50         ORR    colour, colour, result, LSR #16
   51         ADD    worldxy,   worldxy,   worldli
   52
   53         AND    result, worldxy, worldxy, ASL #16
   54         AND    result, result, mask
   55         ORR    colour, colour, result, LSR #8
   56         ADD    worldxy,   worldxy,   worldli
   57
   58         AND    result, worldxy, worldxy, ASL #16
   59         AND    result, result, mask
   60         ORR    colour, colour, result
   61         ADD    worldxy, worldxy, worldli
   62
   63         AND    result, worldxy, worldxy, ASL #16
   64         AND    result, result, mask
   65         MOV    colour2, result, LSR #24
   66         ADD    worldxy, worldxy, worldli
   67
   68         AND    result, worldxy, worldxy, ASL #16
   69         AND    result, result, mask
   70         ORR    colour2, colour2, result, LSR #16
   71         ADD    worldxy,   worldxy,   worldli
   72
   73         AND    result, worldxy, worldxy, ASL #16
   74         AND    result, result, mask
   75         ORR    colour2, colour2, result, LSR #8
   76         ADD    worldxy,   worldxy,   worldli
   77
   78         AND    result, worldxy, worldxy, ASL #16
   79         AND    result, result, mask
   80         ORR    colour2, colour2, result
   81         ADD    worldxy, worldxy, worldli
   82                                      
   83         AND    result, worldxy, worldxy, ASL #16
   84         AND    result, result, mask
   85         MOV    colour3, result, LSR #24
   86         ADD    worldxy, worldxy, worldli
   87
   88         AND    result, worldxy, worldxy, ASL #16
   89         AND    result, result, mask
   90         ORR    colour3, colour3, result, LSR #16
   91         ADD    worldxy,   worldxy,   worldli
   92
   93         AND    result, worldxy, worldxy, ASL #16
   94         AND    result, result, mask
   95         ORR    colour3, colour3, result, LSR #8
   96         ADD    worldxy,   worldxy,   worldli
   97
   98         AND    result, worldxy, worldxy, ASL #16
   99         AND    result, result, mask
  100         ORR    colour3, colour3, result
  101         ADD    worldxy, worldxy, worldli
  102
  103         AND    result, worldxy, worldxy, ASL #16
  104         AND    result, result, mask
  105         MOV    colour4, result, LSR #24
  106         ADD    worldxy, worldxy, worldli
  107
  108         AND    result, worldxy, worldxy, ASL #16
  109         AND    result, result, mask
  110         ORR    colour4, colour4, result, LSR #16
  111         ADD    worldxy,   worldxy,   worldli
  112
  113         AND    result, worldxy, worldxy, ASL #16
  114         AND    result, result, mask
  115         ORR    colour4, colour4, result, LSR #8
  116         ADD    worldxy,   worldxy,   worldli
  117
  118         AND    result, worldxy, worldxy, ASL #16
  119         AND    result, result, mask
  120         ORR    colour4, colour4, result
  121         ADD    worldxy, worldxy, worldli
  122         
  123         STMib  (point)!, {colour - colour4}
  124        
  125         CMP    point, endofline
  126         Blt    loop
  127
  128         ADD    worldlinestart, worldlinestart, worlddi
  129         MOV    worldxy, worldlinestart
  130         ADD    endofline, endofline, #hpix%
  131         CMP    endofline, finished
  132         Blt    loop
  133
  134.ret     LDMFD  r13!, {pc}
  135
  136.ssa     EQUD  FNScreenAddress - 4
  137.eol     EQUD  !ssa + hpix%
  138.sea     EQUD  !ssa + hpix% * vpix%
  139.wxy     EQUD  &00000000
  140.wli     EQUD  &00000080
  141.wdi     EQUD  &00800000
  142]
  143NEXT
  144
  145T = 2^14
  146REPEAT
  147      FOR S% = 0 TO 359
  148          MOUSE A%,B%,C%
  149          WAIT
  150          CALL begin
  151          !wli = INT(A%*SINRAD(S%)) + INT(A%*COSRAD(S%))*2^16
  152          !wdi = INT(A%*COSRAD(S%)) - INT(A%*SINRAD(S%))*2^16
  153          !wxy = -INT(T*SINRAD(S%)+T*COSRAD(S%)) - INT(T*COSRAD(S%)-T*SINRAD(S%))*2^16
  154      NEXT
  155UNTIL FALSE
  156END
  157
  158DEF FNScreenAddress
  159    DIM Blk% 16
  160    Blk%!00 = 149
  161    Blk%!04 = -1
  162    SYS "OS_ReadVduVariables", Blk%, Blk%+8
  163= Blk%!08
  164
  165
  166
  167
=� ** Real time spin & zoom Version 2 - loops unwrapped **
C� ** By Benjohn Barnes & Alan Taylor (University of Warwick) **
*� ** Move mouse left/right to zoom ** 

�13
hpix% = 320
vpix% = 256
�
	

� Code% 1024

result         = 0

point          = 1
endofline      = 2
finished       = 3
worldlinestart = 4
worldxy        = 5
worldli        = 6
worlddi        = 7
colour         = 8
colour2        = 9
colour3        = 10
colour4        = 11
mask           = 12
link           = 14
pc             = 15

� Pass%=0 � 2 � 2
P%=Code%
[

OPT Pass%
 
!.begin   STMFD r13!, {link}
"         LDR    point, ssa
#"         LDR    endofline, eol
$!         LDR    finished, sea
%'         LDR    worldlinestart, wxy
&-         MOV    worldxy,   worldlinestart
'          LDR    worldli, wli
(          LDR    worlddi, wdi
)$         MOV    mask, #&ff000000
*
+3.loop    �    result, worldxy, worldxy, ASL #16
,&         �    result, result, mask
-+         MOV    colour, result, LSR #24
.-         ADD    worldxy, worldxy, worldli
/
03         �    result, worldxy, worldxy, ASL #16
1&         �    result, result, mask
22         �R    colour, colour, result, LSR #16
31         ADD    worldxy,   worldxy,   worldli
4
53         �    result, worldxy, worldxy, ASL #16
6&         �    result, result, mask
71         �R    colour, colour, result, LSR #8
81         ADD    worldxy,   worldxy,   worldli
9
:3         �    result, worldxy, worldxy, ASL #16
;&         �    result, result, mask
<)         �R    colour, colour, result
=-         ADD    worldxy, worldxy, worldli
>
?3         �    result, worldxy, worldxy, ASL #16
@&         �    result, result, mask
A,         MOV    colour2, result, LSR #24
B-         ADD    worldxy, worldxy, worldli
C
D3         �    result, worldxy, worldxy, ASL #16
E&         �    result, result, mask
F4         �R    colour2, colour2, result, LSR #16
G1         ADD    worldxy,   worldxy,   worldli
H
I3         �    result, worldxy, worldxy, ASL #16
J&         �    result, result, mask
K3         �R    colour2, colour2, result, LSR #8
L1         ADD    worldxy,   worldxy,   worldli
M
N3         �    result, worldxy, worldxy, ASL #16
O&         �    result, result, mask
P+         �R    colour2, colour2, result
Q-         ADD    worldxy, worldxy, worldli
R*                                      
S3         �    result, worldxy, worldxy, ASL #16
T&         �    result, result, mask
U,         MOV    colour3, result, LSR #24
V-         ADD    worldxy, worldxy, worldli
W
X3         �    result, worldxy, worldxy, ASL #16
Y&         �    result, result, mask
Z4         �R    colour3, colour3, result, LSR #16
[1         ADD    worldxy,   worldxy,   worldli
\
]3         �    result, worldxy, worldxy, ASL #16
^&         �    result, result, mask
_3         �R    colour3, colour3, result, LSR #8
`1         ADD    worldxy,   worldxy,   worldli
a
b3         �    result, worldxy, worldxy, ASL #16
c&         �    result, result, mask
d+         �R    colour3, colour3, result
e-         ADD    worldxy, worldxy, worldli
f
g3         �    result, worldxy, worldxy, ASL #16
h&         �    result, result, mask
i,         MOV    colour4, result, LSR #24
j-         ADD    worldxy, worldxy, worldli
k
l3         �    result, worldxy, worldxy, ASL #16
m&         �    result, result, mask
n4         �R    colour4, colour4, result, LSR #16
o1         ADD    worldxy,   worldxy,   worldli
p
q3         �    result, worldxy, worldxy, ASL #16
r&         �    result, result, mask
s3         �R    colour4, colour4, result, LSR #8
t1         ADD    worldxy,   worldxy,   worldli
u
v3         �    result, worldxy, worldxy, ASL #16
w&         �    result, result, mask
x+         �R    colour4, colour4, result
y-         ADD    worldxy, worldxy, worldli
z
         
{0         STMib  (point)!, {colour - colour4}
|        
}$         CMP    point, endofline
~         Blt    loop

�;         ADD    worldlinestart, worldlinestart, worlddi
�+         MOV    worldxy, worldlinestart
�0         ADD    endofline, endofline, #hpix%
�'         CMP    endofline, finished
�         Blt    loop
�
�.ret     LDMFD  r13!, {pc}
�
�%.ssa     EQUD  �ScreenAddress - 4
�.eol     EQUD  !ssa + hpix%
�'.sea     EQUD  !ssa + hpix% * vpix%
�.wxy     EQUD  &00000000
�.wli     EQUD  &00000080
�.wdi     EQUD  &00800000
�]
��
�
�T = 2^14
��
�      � S% = 0 � 359
�          ȗ A%,B%,C%
�          Ȗ
�          � begin
�5          !wli = �(A%*��(S%)) + �(A%*��(S%))*2^16
�5          !wdi = �(A%*��(S%)) - �(A%*��(S%))*2^16
�F          !wxy = -�(T*��(S%)+T*��(S%)) - �(T*��(S%)-T*��(S%))*2^16
�      �
�� �
��
�
�� �ScreenAddress
�    � Blk% 16
�    Blk%!00 = 149
�    Blk%!04 = -1
�.    ș "OS_ReadVduVariables", Blk%, Blk%+8
�
= Blk%!08
�
�
�
�
�
00000000  0d 00 01 3d f4 20 2a 2a  20 52 65 61 6c 20 74 69  |...=. ** Real ti|
00000010  6d 65 20 73 70 69 6e 20  26 20 7a 6f 6f 6d 20 56  |me spin & zoom V|
00000020  65 72 73 69 6f 6e 20 32  20 2d 20 6c 6f 6f 70 73  |ersion 2 - loops|
00000030  20 75 6e 77 72 61 70 70  65 64 20 2a 2a 0d 00 02  | unwrapped **...|
00000040  43 f4 20 2a 2a 20 42 79  20 42 65 6e 6a 6f 68 6e  |C. ** By Benjohn|
00000050  20 42 61 72 6e 65 73 20  26 20 41 6c 61 6e 20 54  | Barnes & Alan T|
00000060  61 79 6c 6f 72 20 28 55  6e 69 76 65 72 73 69 74  |aylor (Universit|
00000070  79 20 6f 66 20 57 61 72  77 69 63 6b 29 20 2a 2a  |y of Warwick) **|
00000080  0d 00 03 2a f4 20 2a 2a  20 4d 6f 76 65 20 6d 6f  |...*. ** Move mo|
00000090  75 73 65 20 6c 65 66 74  2f 72 69 67 68 74 20 74  |use left/right t|
000000a0  6f 20 7a 6f 6f 6d 20 2a  2a 20 0d 00 04 04 0d 00  |o zoom ** ......|
000000b0  05 07 eb 31 33 0d 00 06  0f 68 70 69 78 25 20 3d  |...13....hpix% =|
000000c0  20 33 32 30 0d 00 07 0f  76 70 69 78 25 20 3d 20  | 320....vpix% = |
000000d0  32 35 36 0d 00 08 05 87  0d 00 09 04 0d 00 0a 10  |256.............|
000000e0  de 20 43 6f 64 65 25 20  31 30 32 34 0d 00 0b 04  |. Code% 1024....|
000000f0  0d 00 0c 16 72 65 73 75  6c 74 20 20 20 20 20 20  |....result      |
00000100  20 20 20 3d 20 30 0d 00  0d 16 70 6f 69 6e 74 20  |   = 0....point |
00000110  20 20 20 20 20 20 20 20  20 3d 20 31 0d 00 0e 16  |         = 1....|
00000120  65 6e 64 6f 66 6c 69 6e  65 20 20 20 20 20 20 3d  |endofline      =|
00000130  20 32 0d 00 0f 16 66 69  6e 69 73 68 65 64 20 20  | 2....finished  |
00000140  20 20 20 20 20 3d 20 33  0d 00 10 16 77 6f 72 6c  |     = 3....worl|
00000150  64 6c 69 6e 65 73 74 61  72 74 20 3d 20 34 0d 00  |dlinestart = 4..|
00000160  11 16 77 6f 72 6c 64 78  79 20 20 20 20 20 20 20  |..worldxy       |
00000170  20 3d 20 35 0d 00 12 16  77 6f 72 6c 64 6c 69 20  | = 5....worldli |
00000180  20 20 20 20 20 20 20 3d  20 36 0d 00 13 16 77 6f  |       = 6....wo|
00000190  72 6c 64 64 69 20 20 20  20 20 20 20 20 3d 20 37  |rlddi        = 7|
000001a0  0d 00 14 16 63 6f 6c 6f  75 72 20 20 20 20 20 20  |....colour      |
000001b0  20 20 20 3d 20 38 0d 00  15 16 63 6f 6c 6f 75 72  |   = 8....colour|
000001c0  32 20 20 20 20 20 20 20  20 3d 20 39 0d 00 16 17  |2        = 9....|
000001d0  63 6f 6c 6f 75 72 33 20  20 20 20 20 20 20 20 3d  |colour3        =|
000001e0  20 31 30 0d 00 17 17 63  6f 6c 6f 75 72 34 20 20  | 10....colour4  |
000001f0  20 20 20 20 20 20 3d 20  31 31 0d 00 18 17 6d 61  |      = 11....ma|
00000200  73 6b 20 20 20 20 20 20  20 20 20 20 20 3d 20 31  |sk           = 1|
00000210  32 0d 00 19 17 6c 69 6e  6b 20 20 20 20 20 20 20  |2....link       |
00000220  20 20 20 20 3d 20 31 34  0d 00 1a 17 70 63 20 20  |    = 14....pc  |
00000230  20 20 20 20 20 20 20 20  20 20 20 3d 20 31 35 0d  |           = 15.|
00000240  00 1b 04 0d 00 1c 15 e3  20 50 61 73 73 25 3d 30  |........ Pass%=0|
00000250  20 b8 20 32 20 88 20 32  0d 00 1d 0c 50 25 3d 43  | . 2 . 2....P%=C|
00000260  6f 64 65 25 0d 00 1e 05  5b 0d 00 1f 0d 4f 50 54  |ode%....[....OPT|
00000270  20 50 61 73 73 25 0d 00  20 04 0d 00 21 1f 2e 62  | Pass%.. ...!..b|
00000280  65 67 69 6e 20 20 20 53  54 4d 46 44 20 72 31 33  |egin   STMFD r13|
00000290  21 2c 20 7b 6c 69 6e 6b  7d 0d 00 22 1e 20 20 20  |!, {link}..".   |
000002a0  20 20 20 20 20 20 4c 44  52 20 20 20 20 70 6f 69  |      LDR    poi|
000002b0  6e 74 2c 20 73 73 61 0d  00 23 22 20 20 20 20 20  |nt, ssa..#"     |
000002c0  20 20 20 20 4c 44 52 20  20 20 20 65 6e 64 6f 66  |    LDR    endof|
000002d0  6c 69 6e 65 2c 20 65 6f  6c 0d 00 24 21 20 20 20  |line, eol..$!   |
000002e0  20 20 20 20 20 20 4c 44  52 20 20 20 20 66 69 6e  |      LDR    fin|
000002f0  69 73 68 65 64 2c 20 73  65 61 0d 00 25 27 20 20  |ished, sea..%'  |
00000300  20 20 20 20 20 20 20 4c  44 52 20 20 20 20 77 6f  |       LDR    wo|
00000310  72 6c 64 6c 69 6e 65 73  74 61 72 74 2c 20 77 78  |rldlinestart, wx|
00000320  79 0d 00 26 2d 20 20 20  20 20 20 20 20 20 4d 4f  |y..&-         MO|
00000330  56 20 20 20 20 77 6f 72  6c 64 78 79 2c 20 20 20  |V    worldxy,   |
00000340  77 6f 72 6c 64 6c 69 6e  65 73 74 61 72 74 0d 00  |worldlinestart..|
00000350  27 20 20 20 20 20 20 20  20 20 20 4c 44 52 20 20  |'          LDR  |
00000360  20 20 77 6f 72 6c 64 6c  69 2c 20 77 6c 69 0d 00  |  worldli, wli..|
00000370  28 20 20 20 20 20 20 20  20 20 20 4c 44 52 20 20  |(          LDR  |
00000380  20 20 77 6f 72 6c 64 64  69 2c 20 77 64 69 0d 00  |  worlddi, wdi..|
00000390  29 24 20 20 20 20 20 20  20 20 20 4d 4f 56 20 20  |)$         MOV  |
000003a0  20 20 6d 61 73 6b 2c 20  23 26 66 66 30 30 30 30  |  mask, #&ff0000|
000003b0  30 30 0d 00 2a 04 0d 00  2b 33 2e 6c 6f 6f 70 20  |00..*...+3.loop |
000003c0  20 20 20 80 20 20 20 20  72 65 73 75 6c 74 2c 20  |   .    result, |
000003d0  77 6f 72 6c 64 78 79 2c  20 77 6f 72 6c 64 78 79  |worldxy, worldxy|
000003e0  2c 20 41 53 4c 20 23 31  36 0d 00 2c 26 20 20 20  |, ASL #16..,&   |
000003f0  20 20 20 20 20 20 80 20  20 20 20 72 65 73 75 6c  |      .    resul|
00000400  74 2c 20 72 65 73 75 6c  74 2c 20 6d 61 73 6b 0d  |t, result, mask.|
00000410  00 2d 2b 20 20 20 20 20  20 20 20 20 4d 4f 56 20  |.-+         MOV |
00000420  20 20 20 63 6f 6c 6f 75  72 2c 20 72 65 73 75 6c  |   colour, resul|
00000430  74 2c 20 4c 53 52 20 23  32 34 0d 00 2e 2d 20 20  |t, LSR #24...-  |
00000440  20 20 20 20 20 20 20 41  44 44 20 20 20 20 77 6f  |       ADD    wo|
00000450  72 6c 64 78 79 2c 20 77  6f 72 6c 64 78 79 2c 20  |rldxy, worldxy, |
00000460  77 6f 72 6c 64 6c 69 0d  00 2f 04 0d 00 30 33 20  |worldli../...03 |
00000470  20 20 20 20 20 20 20 20  80 20 20 20 20 72 65 73  |        .    res|
00000480  75 6c 74 2c 20 77 6f 72  6c 64 78 79 2c 20 77 6f  |ult, worldxy, wo|
00000490  72 6c 64 78 79 2c 20 41  53 4c 20 23 31 36 0d 00  |rldxy, ASL #16..|
000004a0  31 26 20 20 20 20 20 20  20 20 20 80 20 20 20 20  |1&         .    |
000004b0  72 65 73 75 6c 74 2c 20  72 65 73 75 6c 74 2c 20  |result, result, |
000004c0  6d 61 73 6b 0d 00 32 32  20 20 20 20 20 20 20 20  |mask..22        |
000004d0  20 84 52 20 20 20 20 63  6f 6c 6f 75 72 2c 20 63  | .R    colour, c|
000004e0  6f 6c 6f 75 72 2c 20 72  65 73 75 6c 74 2c 20 4c  |olour, result, L|
000004f0  53 52 20 23 31 36 0d 00  33 31 20 20 20 20 20 20  |SR #16..31      |
00000500  20 20 20 41 44 44 20 20  20 20 77 6f 72 6c 64 78  |   ADD    worldx|
00000510  79 2c 20 20 20 77 6f 72  6c 64 78 79 2c 20 20 20  |y,   worldxy,   |
00000520  77 6f 72 6c 64 6c 69 0d  00 34 04 0d 00 35 33 20  |worldli..4...53 |
00000530  20 20 20 20 20 20 20 20  80 20 20 20 20 72 65 73  |        .    res|
00000540  75 6c 74 2c 20 77 6f 72  6c 64 78 79 2c 20 77 6f  |ult, worldxy, wo|
00000550  72 6c 64 78 79 2c 20 41  53 4c 20 23 31 36 0d 00  |rldxy, ASL #16..|
00000560  36 26 20 20 20 20 20 20  20 20 20 80 20 20 20 20  |6&         .    |
00000570  72 65 73 75 6c 74 2c 20  72 65 73 75 6c 74 2c 20  |result, result, |
00000580  6d 61 73 6b 0d 00 37 31  20 20 20 20 20 20 20 20  |mask..71        |
00000590  20 84 52 20 20 20 20 63  6f 6c 6f 75 72 2c 20 63  | .R    colour, c|
000005a0  6f 6c 6f 75 72 2c 20 72  65 73 75 6c 74 2c 20 4c  |olour, result, L|
000005b0  53 52 20 23 38 0d 00 38  31 20 20 20 20 20 20 20  |SR #8..81       |
000005c0  20 20 41 44 44 20 20 20  20 77 6f 72 6c 64 78 79  |  ADD    worldxy|
000005d0  2c 20 20 20 77 6f 72 6c  64 78 79 2c 20 20 20 77  |,   worldxy,   w|
000005e0  6f 72 6c 64 6c 69 0d 00  39 04 0d 00 3a 33 20 20  |orldli..9...:3  |
000005f0  20 20 20 20 20 20 20 80  20 20 20 20 72 65 73 75  |       .    resu|
00000600  6c 74 2c 20 77 6f 72 6c  64 78 79 2c 20 77 6f 72  |lt, worldxy, wor|
00000610  6c 64 78 79 2c 20 41 53  4c 20 23 31 36 0d 00 3b  |ldxy, ASL #16..;|
00000620  26 20 20 20 20 20 20 20  20 20 80 20 20 20 20 72  |&         .    r|
00000630  65 73 75 6c 74 2c 20 72  65 73 75 6c 74 2c 20 6d  |esult, result, m|
00000640  61 73 6b 0d 00 3c 29 20  20 20 20 20 20 20 20 20  |ask..<)         |
00000650  84 52 20 20 20 20 63 6f  6c 6f 75 72 2c 20 63 6f  |.R    colour, co|
00000660  6c 6f 75 72 2c 20 72 65  73 75 6c 74 0d 00 3d 2d  |lour, result..=-|
00000670  20 20 20 20 20 20 20 20  20 41 44 44 20 20 20 20  |         ADD    |
00000680  77 6f 72 6c 64 78 79 2c  20 77 6f 72 6c 64 78 79  |worldxy, worldxy|
00000690  2c 20 77 6f 72 6c 64 6c  69 0d 00 3e 04 0d 00 3f  |, worldli..>...?|
000006a0  33 20 20 20 20 20 20 20  20 20 80 20 20 20 20 72  |3         .    r|
000006b0  65 73 75 6c 74 2c 20 77  6f 72 6c 64 78 79 2c 20  |esult, worldxy, |
000006c0  77 6f 72 6c 64 78 79 2c  20 41 53 4c 20 23 31 36  |worldxy, ASL #16|
000006d0  0d 00 40 26 20 20 20 20  20 20 20 20 20 80 20 20  |..@&         .  |
000006e0  20 20 72 65 73 75 6c 74  2c 20 72 65 73 75 6c 74  |  result, result|
000006f0  2c 20 6d 61 73 6b 0d 00  41 2c 20 20 20 20 20 20  |, mask..A,      |
00000700  20 20 20 4d 4f 56 20 20  20 20 63 6f 6c 6f 75 72  |   MOV    colour|
00000710  32 2c 20 72 65 73 75 6c  74 2c 20 4c 53 52 20 23  |2, result, LSR #|
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*
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000013a0  04 0d 00 a7 04 0d ff                              |.......|
000013a7
Files/Programs/SpinZoomF.m0
Files/Programs/SpinZoomF.m1
Files/Programs/SpinZoomF.m2
Files/Programs/SpinZoomF.m4
Files/Programs/SpinZoomF.m5