!AWApr94/Goodies/PowerBase/!Powerbase/Resources/Modules/SlidingHp

Home » Archimedes archive » Archimedes World » AW-1994-04-Disc2.adf » Disk2Apr94 » !AWApr94/Goodies/PowerBase/!Powerbase/Resources/Modules/SlidingHp

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-1994-04-Disc2.adf » Disk2Apr94
Filename:	!AWApr94/Goodies/PowerBase/!Powerbase/Resources/Modules/SlidingHp
Read OK:	✔
File size:	10F4 bytes
Load address:	0000
Exec address:	0000

<TDPp�h�� Steven Haslam 1992SlidingHeapSliding Heap	2.00 (23 Apr 1992)HeapInfo�3�VerifyHeap<�|Sliding_HeapPSlidingHeapCreateNewBlockScrapBlockExtendBlockHeapInfoVerifyHeapNextFreeNOPDescribeBlockShiftHeap@-���<��� �����@-��� ������-����������
[��0	��7�f����}�������������Unknown SlidingHeap operation����	(�SlidingHeap operation not supportedQ� �R������� ��������������R�
���������� B���������@-�@��P��`��V�
@��PE�U����@����(�No more free slots in heap�� ��P�� � ��P��`������:��h0�#����S�$0�<�0��P��P��P��P��P��P��G��@����@-� ��0��@��T�
 ��0C�S�����@����(�Couldn't find anchor in heap (ScrapBlock)@��@��p��`��pG�`��pG�p��`��P��`��P��PE�-��� ��0�������p��p��P��P��P��P��P�� ��P��U�
U�PE�P��@��P�� ��A�Q��P��PE�P����@-�0��@��P��U�
0��@D�T�����@����(�Couldn't find anchor in heap (ExtendBlock)@��P��@��@��P��PB�P��`��`F�pE�-����� �����`�� ������������v��p�� ������P�
0��S�0��0��p��0�� ��@�����@-�p���
Heap information requested

Generated by SlidingHeap 2.00, � Steven Haslam 1992 (23 Apr 1992)

Heap base : &��,�������h�
Slots available in heap : ����,�������h�
Slots used : ��0���� ��R����0C�S��`����,�������h�
Top of heap : &�������h�

V���Blocks: (not necessarily in the order as in the heap)

| Address   | Length      | Name
`��@��P��U�
|� �&�����,�������h �|� ��������h �|� ����� P������
�
�`��@D�T�������@-���:��h�*����:��h�*��X#��Q�����H#��Q�����0��S�,
@��0��0��#��R�
������,�� B�*>��@��C��h0�� B�0��������@���� �� ��0��R�
������,�� B�?��@��C��h0�� B�0��������@������A�Q�������������@-� ��0��S�
@��T�
T�
0C� ������@����(�Couldn't find anchor in heap (DescribeBlock)��@������@-�p��`����� f�������PG����� ��R� � �0� ���A�Q��������������������(�You must have at least one block in the heap!��@����
(�Heap is not in valid memory��@����(�Heap ID corrupted (Bad signature)��@����(�Start of heap corrupted (Bad signature)��@����(�Top of heap corrupted (Bad signature)$Block overflow in Sliding Heap (%*0)(�$Anchor does not point to block (%*0)(��Hz�BlckUnknown block@-��������!��q��{�r���Heap checked out OK
*VerifyHeap will check the integrity of the given heap.

Syntax: *VerifyHeap <address>@-��������!��qU��{���*HeapInfo will display information on the given sliding heap.

Syntax: *HeapInfo <address>SlidingHeap is a memory manager that works by using `anchor points` into an area of memory; it is rather like Acorn C's `flex` library, however it is suitable for use in BASIC/ARM code programs. There is a set of BASIC procedures to interface with the sliding heap manager, which will also automatically increase and decrease the size of a WIMP task's memory area as required.

For more information, contact Steven Haslam at one of the following addresses:

E-Mail:
�FidoNet:  2:250/116.3, 2:254/27.0, 2:252/102.0, 2:254/405.0

Snail-Mail:

Steven Haslam
�112 Keighley Road
��Colne
���Lancashire
����BB8 0PH@-��)�.0S��0S���-��C���C�� 0S��� s�����0���0-�1@��1@��0��0��0C�0���@��@����0C�0���������0C�0�������� ��0S����������0S��������-������� �l���0��0S�)�0S���-��G����4L��K��5\��[��6l��k��7|��{��8������9������:���������>�� 0S��� s�����0��
�p-�p@����4L��K��5\��[��6l��k��q��p��p��0C�>��0��	�-�@����4L��K��������0C�>��0�����������0C�>��0���������� ��0S������@-�P��0��0�� R��Z���0��0�� R��Z���

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00000020  68 01 00 00 cc 00 00 00  00 00 00 00 a9 20 53 74  |h............ St|
00000030  65 76 65 6e 20 48 61 73  6c 61 6d 20 31 39 39 32  |even Haslam 1992|
00000040  00 00 00 00 53 6c 69 64  69 6e 67 48 65 61 70 00  |....SlidingHeap.|
00000050  53 6c 69 64 69 6e 67 20  48 65 61 70 09 32 2e 30  |Sliding Heap.2.0|
00000060  30 20 28 32 33 20 41 70  72 20 31 39 39 32 29 00  |0 (23 Apr 1992).|
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000000a0  b5 0b 00 00 7c 0b 00 00  53 6c 69 64 69 6e 67 5f  |....|...Sliding_|
000000b0  48 65 61 70 00 00 00 00  00 00 00 00 00 00 00 00  |Heap............|
000000c0  00 00 00 00 50 0c 00 00  00 00 00 00 53 6c 69 64  |....P.......Slid|
000000d0  69 6e 67 48 65 61 70 00  43 72 65 61 74 65 00 4e  |ingHeap.Create.N|
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000001c0  6f 77 6e 20 53 6c 69 64  69 6e 67 48 65 61 70 20  |own SlidingHeap |
000001d0  6f 70 65 72 61 74 69 6f  6e 00 00 00 00 00 8f e2  |operation.......|
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00000240  00 00 52 e3 06 00 00 0a  00 10 80 e5 04 10 80 e5  |..R.............|
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000002a0  01 f2 9e e3 00 28 c0 00  4e 6f 20 6d 6f 72 65 20  |.....(..No more |
000002b0  66 72 65 65 20 73 6c 6f  74 73 20 69 6e 20 68 65  |free slots in he|
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00000350  00 00 53 e3 f8 ff ff ca  04 00 8f e2 fe 40 bd e8  |..S..........@..|
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00000370  20 66 69 6e 64 20 61 6e  63 68 6f 72 20 69 6e 20  | find anchor in |
00000380  68 65 61 70 20 28 53 63  72 61 70 42 6c 6f 63 6b  |heap (ScrapBlock|
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000003b0  04 70 87 e2 00 60 92 e5  08 50 92 e5 06 60 85 e0  |.p...`...P...`..|
000003c0  00 50 92 e5 04 50 45 e2  0f 00 2d e9 06 10 a0 e1  |.P...PE...-.....|
000003d0  05 20 a0 e1 07 30 a0 e1  b4 02 00 eb 0f 00 bd e8  |. ...0..........|
000003e0  04 10 90 e5 08 70 92 e5  04 70 87 e2 00 50 a0 e3  |.....p...p...P..|
000003f0  00 50 82 e5 04 50 82 e5  08 50 82 e5 0c 50 82 e5  |.P...P...P...P..|
00000400  10 20 80 e2 00 50 92 e5  00 00 55 e3 04 00 00 0a  |. ...P....U.....|
00000410  06 00 55 e1 07 50 45 a0  00 50 82 e5 04 40 92 e5  |..U..PE..P...@..|
00000420  00 50 84 e5 10 20 82 e2  01 10 41 e2 00 00 51 e3  |.P... ....A...Q.|
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00000440  fe 80 bd e8 fe 40 2d e9  10 30 80 e2 04 40 90 e5  |.....@-..0...@..|
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00000480  64 6e 27 74 20 66 69 6e  64 20 61 6e 63 68 6f 72  |dn't find anchor|
00000490  20 69 6e 20 68 65 61 70  20 28 45 78 74 65 6e 64  | in heap (Extend|
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000004b0  05 40 84 e0 04 40 84 e2  08 50 93 e5 05 50 42 e0  |.@...@...P...PB.|
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000004d0  0f 00 2d e9 04 00 a0 e1  05 10 a0 e1 06 20 a0 e1  |..-.......... ..|
000004e0  f6 02 00 eb 0f 00 bd e8  07 60 a0 e1 08 20 83 e5  |.........`... ..|
000004f0  0c 10 90 e5 06 10 81 e0  0c 10 80 e5 00 10 93 e5  |................|
00000500  02 10 81 e0 1c 76 9f e5  00 70 81 e5 10 20 80 e2  |.....v...p... ..|
00000510  00 10 93 e5 04 00 90 e5  00 00 50 e3 08 00 00 0a  |..........P.....|
00000520  00 30 92 e5 01 00 53 e1  06 30 83 c0 00 30 82 c5  |.0....S..0...0..|
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00000540  f4 ff ff ea fe 80 bd e8  fe 40 2d e9 00 70 a0 e1  |.........@-..p..|
00000550  01 00 02 ef 0d 0a 48 65  61 70 20 69 6e 66 6f 72  |......Heap infor|
00000560  6d 61 74 69 6f 6e 20 72  65 71 75 65 73 74 65 64  |mation requested|
00000570  0d 0a 0d 0a 47 65 6e 65  72 61 74 65 64 20 62 79  |....Generated by|
00000580  20 53 6c 69 64 69 6e 67  48 65 61 70 20 32 2e 30  | SlidingHeap 2.0|
00000590  30 2c 20 a9 20 53 74 65  76 65 6e 20 48 61 73 6c  |0, . Steven Hasl|
000005a0  61 6d 20 31 39 39 32 20  28 32 33 20 41 70 72 20  |am 1992 (23 Apr |
000005b0  31 39 39 32 29 0d 0a 0d  0a 48 65 61 70 20 62 61  |1992)....Heap ba|
000005c0  73 65 20 3a 20 26 00 00  0c 10 a0 e1 01 2c a0 e3  |se : &.......,..|
000005d0  d4 00 02 ef 02 00 02 7f  fe 80 bd 68 01 00 02 ef  |...........h....|
000005e0  0d 0a 53 6c 6f 74 73 20  61 76 61 69 6c 61 62 6c  |..Slots availabl|
000005f0  65 20 69 6e 20 68 65 61  70 20 3a 20 00 00 00 00  |e in heap : ....|
00000600  04 00 97 e5 0c 10 a0 e1  01 2c a0 e3 e4 00 02 ef  |.........,......|
00000610  02 00 02 7f fe 80 bd 68  01 00 02 ef 0d 0a 53 6c  |.......h......Sl|
00000620  6f 74 73 20 75 73 65 64  20 3a 20 00 10 10 87 e2  |ots used : .....|
00000630  04 30 97 e5 00 00 a0 e3  00 20 91 e5 00 00 52 e3  |.0....... ....R.|
00000640  01 00 80 12 10 10 81 e2  01 30 43 e2 00 00 53 e3  |.........0C...S.|
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00000660  e4 00 02 ef 02 00 02 7f  fe 80 bd 68 01 00 02 ef  |...........h....|
00000670  0d 0a 54 6f 70 20 6f 66  20 68 65 61 70 20 3a 20  |..Top of heap : |
00000680  26 00 00 00 0c 00 97 e5  d4 00 02 ef 02 00 02 7f  |&...............|
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000006a0  00 00 56 e3 fe 80 bd 08  01 00 02 ef 42 6c 6f 63  |..V.........Bloc|
000006b0  6b 73 3a 20 28 6e 6f 74  20 6e 65 63 65 73 73 61  |ks: (not necessa|
000006c0  72 69 6c 79 20 69 6e 20  74 68 65 20 6f 72 64 65  |rily in the orde|
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00000890  01 20 42 e2 02 30 c1 e7  80 02 9f e5 00 00 8c e5  |. B..0..........|
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00000960  00 20 66 e0 06 00 a0 e1  07 10 a0 e1 d3 01 00 eb  |. f.............|
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000009c0  00 00 8f e2 01 f2 9e e3  02 28 c0 00 59 6f 75 20  |.........(..You |
000009d0  6d 75 73 74 20 68 61 76  65 20 61 74 20 6c 65 61  |must have at lea|
000009e0  73 74 20 6f 6e 65 20 62  6c 6f 63 6b 20 69 6e 20  |st one block in |
000009f0  74 68 65 20 68 65 61 70  21 00 00 00 04 00 8f e2  |the heap!.......|
00000a00  fe 40 bd e8 01 f2 9e e3  0a 28 c0 00 48 65 61 70  |.@.......(..Heap|
00000a10  20 69 73 20 6e 6f 74 20  69 6e 20 76 61 6c 69 64  | is not in valid|
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00000a50  69 67 6e 61 74 75 72 65  29 00 00 00 04 00 8f e2  |ignature).......|
00000a60  fe 40 bd e8 01 f2 9e e3  04 28 c0 00 53 74 61 72  |.@.......(..Star|
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00000a80  74 65 64 20 28 42 61 64  20 73 69 67 6e 61 74 75  |ted (Bad signatu|
00000a90  72 65 29 00 04 00 8f e2  fe 40 bd e8 01 f2 9e e3  |re)......@......|
00000aa0  05 28 c0 00 54 6f 70 20  6f 66 20 68 65 61 70 20  |.(..Top of heap |
00000ab0  63 6f 72 72 75 70 74 65  64 20 28 42 61 64 20 73  |corrupted (Bad s|
00000ac0  69 67 6e 61 74 75 72 65  29 00 00 00 24 00 00 00  |ignature)...$...|
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00000de0  63 6f 6e 74 61 63 74 20  53 74 65 76 65 6e 20 48  |contact Steven H|
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000010f0  1f 80 bd e8                                       |....|
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