Home » Archimedes archive » Archimedes World » AW-1992-10.adf » AWOct92 » !AWOct92/Goodies/PDGame/!2067Demo/Code/Loading

!AWOct92/Goodies/PDGame/!2067Demo/Code/Loading

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 » Archimedes World » AW-1992-10.adf » AWOct92
Filename: !AWOct92/Goodies/PDGame/!2067Demo/Code/Loading
Read OK:
File size: 0558 bytes
Load address: 0000
Exec address: 0000
File contents
   10REM> <PreHist$Dir>.Code.Loading
   11SYS "Wimp_CommandWindow",,-1
   12MODE 15
   20PROCassembl
   40PROCloadingscreen
   70END
   80
  160DEFPROCloadingscreen
  170size=&400*100
  180
  190DIM sp size,decrunch size
  200
  210OSCLI"Load <PreHist$Dir>.Grafix.LoadScreen "+STR$~sp
  220A%=sp
  230B%=decrunch
  240CALL decode
  250
  260MODE 13:VDU 23,1,0;0;0;0;
  270
  280FOR bank%=1 TO 2
  290
  300OSCLI"FX 112 "+STR$bank%
  310CLS
  320SYS &2E,290,decrunch,"Screen",0,0,0
  340NEXT
  341VDU 19,0,24,&80,&0,&80
  350
  351*FX 112 1
  352*FX 113 1
  360ENDPROC
  370
  380
  390DEFPROCassembl
  400
  410DIM code &400
  420
  430P%=code
  440
  450FOR opt%=0 TO 2 STEP 2
  460src%=0
  470len%=1
  480dst%=2
  490srcpnt%=3
  500dstpnt%=4
  510byte%=5
  520last%=6
  530repeat%=7
  540repno%=8
  550
  560P%=code
  570[OPT opt%
  580.decode
  590STMFD R13!,{R0-R12,R14}
  600
  610; A%= source address
  620; B%= destination address
  630MOV R2,R1
  640
  650MOV srcpnt%,src%
  660MOV dstpnt%,dst%
  670
  680MVN last%,#0
  690MOV byte%,#0
  700
  710MOV repno%,#0
  720
  730LDR len%,[srcpnt%],#4
  740
  750
  760.loop
  770LDRB byte%,[srcpnt%],#1
  780CMP byte%,last%
  790BNE norepeat
  800  LDRB repno%,[srcpnt%],#1:SUB len%,len%,#1:ADD repno%,repno%,#1
  810  .reploop
  820    SUBS repno%,repno%,#1
  830    BLT repend
  840    STRB byte%,[dstpnt%],#1
  850    MVN last%,#0
  860    B reploop
  870  .repend
  880  B loopend
  890.norepeat
  900  STRB byte%,[dstpnt%],#1
  910  MOV last%,byte%
  920.loopend
  930SUBS len%,len%,#1
  940BGT loop
  950
  960.endroutine
  970LDMFD R13!,{R0-R12,R15}
  980]:NEXT
  990ENDPROC

!�> <PreHist$Dir>.Code.Loading
ș "Wimp_CommandWindow",,-1
� 15
�assembl
(�loadingscreen
F�
P
���loadingscreen
�size=&400*100
�
�� sp size,decrunch size
�
�1�"Load <PreHist$Dir>.Grafix.LoadScreen "+�~sp
�	A%=sp
�B%=decrunch
�� decode
�
� 13:� 23,1,0;0;0;0;

� bank%=1 � 2
"
,�"FX 112 "+�bank%
6�
@&ș &2E,290,decrunch,"Screen",0,0,0
T�
U� 19,0,24,&80,&0,&80
^
_
*FX 112 1
`
*FX 113 1
h�
r
|
�
��assembl
�
�� code &400
�
�P%=code
�
�� opt%=0 � 2 � 2
�
src%=0
�
len%=1
�
dst%=2
�
srcpnt%=3
�
dstpnt%=4
�byte%=5
last%=6

repeat%=7
repno%=8
&
0P%=code
:
[OPT opt%
D.decode
NSTMFD R13!,{R0-R12,R14}
X
b; A%= source address
l; B%= destination address
v
MOV R2,R1
�
�MOV srcpnt%,src%
�MOV dstpnt%,dst%
�
�MVN last%,#0
�MOV byte%,#0
�
�MOV repno%,#0
�
�LDR len%,[srcpnt%],#4
�
�
�	.loop
LDRB byte%,[srcpnt%],#1
CMP byte%,last%
BNE norepeat
 D  LDRB repno%,[srcpnt%],#1:SUB len%,len%,#1:ADD repno%,repno%,#1
*  .reploop
4    SUBS repno%,repno%,#1
>    BLT repend
H    STRB byte%,[dstpnt%],#1
R    MVN last%,#0
\    B reploop
f
  .repend
p  B loopend
z
.norepeat
�  STRB byte%,[dstpnt%],#1
�  MOV last%,byte%
�.loopend
�SUBS len%,len%,#1
�BGT loop
�
�.endroutine
�LDMFD R13!,{R0-R12,R15}
�]:�
��
�
00000000  0d 00 0a 21 f4 3e 20 3c  50 72 65 48 69 73 74 24  |...!.> <PreHist$|
00000010  44 69 72 3e 2e 43 6f 64  65 2e 4c 6f 61 64 69 6e  |Dir>.Code.Loadin|
00000020  67 0d 00 0b 1f c8 99 20  22 57 69 6d 70 5f 43 6f  |g...... "Wimp_Co|
00000030  6d 6d 61 6e 64 57 69 6e  64 6f 77 22 2c 2c 2d 31  |mmandWindow",,-1|
00000040  0d 00 0c 08 eb 20 31 35  0d 00 14 0c f2 61 73 73  |..... 15.....ass|
00000050  65 6d 62 6c 0d 00 28 12  f2 6c 6f 61 64 69 6e 67  |embl..(..loading|
00000060  73 63 72 65 65 6e 0d 00  46 05 e0 0d 00 50 04 0d  |screen..F....P..|
00000070  00 a0 13 dd f2 6c 6f 61  64 69 6e 67 73 63 72 65  |.....loadingscre|
00000080  65 6e 0d 00 aa 11 73 69  7a 65 3d 26 34 30 30 2a  |en....size=&400*|
00000090  31 30 30 0d 00 b4 04 0d  00 be 1b de 20 73 70 20  |100......... sp |
000000a0  73 69 7a 65 2c 64 65 63  72 75 6e 63 68 20 73 69  |size,decrunch si|
000000b0  7a 65 0d 00 c8 04 0d 00  d2 31 ff 22 4c 6f 61 64  |ze.......1."Load|
000000c0  20 3c 50 72 65 48 69 73  74 24 44 69 72 3e 2e 47  | <PreHist$Dir>.G|
000000d0  72 61 66 69 78 2e 4c 6f  61 64 53 63 72 65 65 6e  |rafix.LoadScreen|
000000e0  20 22 2b c3 7e 73 70 0d  00 dc 09 41 25 3d 73 70  | "+.~sp....A%=sp|
000000f0  0d 00 e6 0f 42 25 3d 64  65 63 72 75 6e 63 68 0d  |....B%=decrunch.|
00000100  00 f0 0c d6 20 64 65 63  6f 64 65 0d 00 fa 04 0d  |.... decode.....|
00000110  01 04 18 eb 20 31 33 3a  ef 20 32 33 2c 31 2c 30  |.... 13:. 23,1,0|
00000120  3b 30 3b 30 3b 30 3b 0d  01 0e 04 0d 01 18 11 e3  |;0;0;0;.........|
00000130  20 62 61 6e 6b 25 3d 31  20 b8 20 32 0d 01 22 04  | bank%=1 . 2..".|
00000140  0d 01 2c 15 ff 22 46 58  20 31 31 32 20 22 2b c3  |..,.."FX 112 "+.|
00000150  62 61 6e 6b 25 0d 01 36  05 db 0d 01 40 26 c8 99  |bank%..6....@&..|
00000160  20 26 32 45 2c 32 39 30  2c 64 65 63 72 75 6e 63  | &2E,290,decrunc|
00000170  68 2c 22 53 63 72 65 65  6e 22 2c 30 2c 30 2c 30  |h,"Screen",0,0,0|
00000180  0d 01 54 05 ed 0d 01 55  18 ef 20 31 39 2c 30 2c  |..T....U.. 19,0,|
00000190  32 34 2c 26 38 30 2c 26  30 2c 26 38 30 0d 01 5e  |24,&80,&0,&80..^|
000001a0  04 0d 01 5f 0d 2a 46 58  20 31 31 32 20 31 0d 01  |..._.*FX 112 1..|
000001b0  60 0d 2a 46 58 20 31 31  33 20 31 0d 01 68 05 e1  |`.*FX 113 1..h..|
000001c0  0d 01 72 04 0d 01 7c 04  0d 01 86 0d dd f2 61 73  |..r...|.......as|
000001d0  73 65 6d 62 6c 0d 01 90  04 0d 01 9a 0f de 20 63  |sembl......... c|
000001e0  6f 64 65 20 26 34 30 30  0d 01 a4 04 0d 01 ae 0b  |ode &400........|
000001f0  50 25 3d 63 6f 64 65 0d  01 b8 04 0d 01 c2 14 e3  |P%=code.........|
00000200  20 6f 70 74 25 3d 30 20  b8 20 32 20 88 20 32 0d  | opt%=0 . 2 . 2.|
00000210  01 cc 0a 73 72 63 25 3d  30 0d 01 d6 0a 6c 65 6e  |...src%=0....len|
00000220  25 3d 31 0d 01 e0 0a 64  73 74 25 3d 32 0d 01 ea  |%=1....dst%=2...|
00000230  0d 73 72 63 70 6e 74 25  3d 33 0d 01 f4 0d 64 73  |.srcpnt%=3....ds|
00000240  74 70 6e 74 25 3d 34 0d  01 fe 0b 62 79 74 65 25  |tpnt%=4....byte%|
00000250  3d 35 0d 02 08 0b 6c 61  73 74 25 3d 36 0d 02 12  |=5....last%=6...|
00000260  0d 72 65 70 65 61 74 25  3d 37 0d 02 1c 0c 72 65  |.repeat%=7....re|
00000270  70 6e 6f 25 3d 38 0d 02  26 04 0d 02 30 0b 50 25  |pno%=8..&...0.P%|
00000280  3d 63 6f 64 65 0d 02 3a  0d 5b 4f 50 54 20 6f 70  |=code..:.[OPT op|
00000290  74 25 0d 02 44 0b 2e 64  65 63 6f 64 65 0d 02 4e  |t%..D..decode..N|
000002a0  1b 53 54 4d 46 44 20 52  31 33 21 2c 7b 52 30 2d  |.STMFD R13!,{R0-|
000002b0  52 31 32 2c 52 31 34 7d  0d 02 58 04 0d 02 62 18  |R12,R14}..X...b.|
000002c0  3b 20 41 25 3d 20 73 6f  75 72 63 65 20 61 64 64  |; A%= source add|
000002d0  72 65 73 73 0d 02 6c 1d  3b 20 42 25 3d 20 64 65  |ress..l.; B%= de|
000002e0  73 74 69 6e 61 74 69 6f  6e 20 61 64 64 72 65 73  |stination addres|
000002f0  73 0d 02 76 0d 4d 4f 56  20 52 32 2c 52 31 0d 02  |s..v.MOV R2,R1..|
00000300  80 04 0d 02 8a 14 4d 4f  56 20 73 72 63 70 6e 74  |......MOV srcpnt|
00000310  25 2c 73 72 63 25 0d 02  94 14 4d 4f 56 20 64 73  |%,src%....MOV ds|
00000320  74 70 6e 74 25 2c 64 73  74 25 0d 02 9e 04 0d 02  |tpnt%,dst%......|
00000330  a8 10 4d 56 4e 20 6c 61  73 74 25 2c 23 30 0d 02  |..MVN last%,#0..|
00000340  b2 10 4d 4f 56 20 62 79  74 65 25 2c 23 30 0d 02  |..MOV byte%,#0..|
00000350  bc 04 0d 02 c6 11 4d 4f  56 20 72 65 70 6e 6f 25  |......MOV repno%|
00000360  2c 23 30 0d 02 d0 04 0d  02 da 19 4c 44 52 20 6c  |,#0........LDR l|
00000370  65 6e 25 2c 5b 73 72 63  70 6e 74 25 5d 2c 23 34  |en%,[srcpnt%],#4|
00000380  0d 02 e4 04 0d 02 ee 04  0d 02 f8 09 2e 6c 6f 6f  |.............loo|
00000390  70 0d 03 02 1b 4c 44 52  42 20 62 79 74 65 25 2c  |p....LDRB byte%,|
000003a0  5b 73 72 63 70 6e 74 25  5d 2c 23 31 0d 03 0c 13  |[srcpnt%],#1....|
000003b0  43 4d 50 20 62 79 74 65  25 2c 6c 61 73 74 25 0d  |CMP byte%,last%.|
000003c0  03 16 10 42 4e 45 20 6e  6f 72 65 70 65 61 74 0d  |...BNE norepeat.|
000003d0  03 20 44 20 20 4c 44 52  42 20 72 65 70 6e 6f 25  |. D  LDRB repno%|
000003e0  2c 5b 73 72 63 70 6e 74  25 5d 2c 23 31 3a 53 55  |,[srcpnt%],#1:SU|
000003f0  42 20 6c 65 6e 25 2c 6c  65 6e 25 2c 23 31 3a 41  |B len%,len%,#1:A|
00000400  44 44 20 72 65 70 6e 6f  25 2c 72 65 70 6e 6f 25  |DD repno%,repno%|
00000410  2c 23 31 0d 03 2a 0e 20  20 2e 72 65 70 6c 6f 6f  |,#1..*.  .reploo|
00000420  70 0d 03 34 1d 20 20 20  20 53 55 42 53 20 72 65  |p..4.    SUBS re|
00000430  70 6e 6f 25 2c 72 65 70  6e 6f 25 2c 23 31 0d 03  |pno%,repno%,#1..|
00000440  3e 12 20 20 20 20 42 4c  54 20 72 65 70 65 6e 64  |>.    BLT repend|
00000450  0d 03 48 1f 20 20 20 20  53 54 52 42 20 62 79 74  |..H.    STRB byt|
00000460  65 25 2c 5b 64 73 74 70  6e 74 25 5d 2c 23 31 0d  |e%,[dstpnt%],#1.|
00000470  03 52 14 20 20 20 20 4d  56 4e 20 6c 61 73 74 25  |.R.    MVN last%|
00000480  2c 23 30 0d 03 5c 11 20  20 20 20 42 20 72 65 70  |,#0..\.    B rep|
00000490  6c 6f 6f 70 0d 03 66 0d  20 20 2e 72 65 70 65 6e  |loop..f.  .repen|
000004a0  64 0d 03 70 0f 20 20 42  20 6c 6f 6f 70 65 6e 64  |d..p.  B loopend|
000004b0  0d 03 7a 0d 2e 6e 6f 72  65 70 65 61 74 0d 03 84  |..z..norepeat...|
000004c0  1d 20 20 53 54 52 42 20  62 79 74 65 25 2c 5b 64  |.  STRB byte%,[d|
000004d0  73 74 70 6e 74 25 5d 2c  23 31 0d 03 8e 15 20 20  |stpnt%],#1....  |
000004e0  4d 4f 56 20 6c 61 73 74  25 2c 62 79 74 65 25 0d  |MOV last%,byte%.|
000004f0  03 98 0c 2e 6c 6f 6f 70  65 6e 64 0d 03 a2 15 53  |....loopend....S|
00000500  55 42 53 20 6c 65 6e 25  2c 6c 65 6e 25 2c 23 31  |UBS len%,len%,#1|
00000510  0d 03 ac 0c 42 47 54 20  6c 6f 6f 70 0d 03 b6 04  |....BGT loop....|
00000520  0d 03 c0 0f 2e 65 6e 64  72 6f 75 74 69 6e 65 0d  |.....endroutine.|
00000530  03 ca 1b 4c 44 4d 46 44  20 52 31 33 21 2c 7b 52  |...LDMFD R13!,{R|
00000540  30 2d 52 31 32 2c 52 31  35 7d 0d 03 d4 07 5d 3a  |0-R12,R15}....]:|
00000550  ed 0d 03 de 05 e1 0d ff                           |........|
00000558