/ Developer CD Series 1994 June: Reference Library / Dev.CD Jun 94.toast / Technical Documentation / Inside Macintosh / IM—Memory / IM—Memory.rsrc / GRF#_1000

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MacOS 8.1

Win98

DOS

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+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 15 32 4d 65 6d 6f 72 | 79 20 6f 72 67 61 6e 69 |..2Memor|y organi|
|00000010| 7a 61 74 69 6f 6e 20 77 | 69 74 68 20 73 65 76 65 |zation w|ith seve|
|00000020| 72 61 6c 20 61 70 70 6c | 69 63 61 74 69 6f 6e 73 |ral appl|ications|
|00000030| 20 6f 70 65 6e 28 4f 72 | 67 61 6e 69 7a 61 74 69 | open(Or|ganizati|
|00000040| 6f 6e 20 6f 66 20 61 6e | 20 61 70 70 6c 69 63 61 |on of an| applica|
|00000050| 74 69 6f 6e 20 70 61 72 | 74 69 74 69 6f 6e 15 54 |tion par|tition.T|
|00000060| 68 65 20 61 70 70 6c 69 | 63 61 74 69 6f 6e 20 73 |he appli|cation s|
|00000070| 74 61 63 6b 11 41 20 66 | 72 61 67 6d 65 6e 74 65 |tack.A f|ragmente|
|00000080| 64 20 68 65 61 70 10 41 | 20 63 6f 6d 70 61 63 74 |d heap.A| compact|
|00000090| 65 64 20 68 65 61 70 29 | 4f 72 67 61 6e 69 7a 61 |ed heap)|Organiza|
|000000a0| 74 69 6f 6e 20 6f 66 20 | 61 6e 20 61 70 70 6c 69 |tion of |an appli|
|000000b0| 63 61 74 69 6f 6e d5 73 | 20 41 35 20 77 6f 72 6c |cation.s| A5 worl|
|000000c0| 64 30 55 73 69 6e 67 20 | 74 65 6d 70 6f 72 61 72 |d0Using |temporar|
|000000d0| 79 20 6d 65 6d 6f 72 79 | 20 61 6c 6c 6f 63 61 74 |y memory| allocat|
|000000e0| 65 64 20 66 72 6f 6d 20 | 75 6e 75 73 65 64 20 52 |ed from |unused R|
|000000f0| 41 4d 23 41 20 70 6f 69 | 6e 74 65 72 20 74 6f 20 |AM#A poi|nter to |
|00000100| 61 20 6e 6f 6e 72 65 6c | 6f 63 61 74 61 62 6c 65 |a nonrel|ocatable|
|00000110| 20 62 6c 6f 63 6b 1f 41 | 20 68 61 6e 64 6c 65 20 | block.A| handle |
|00000120| 74 6f 20 61 20 72 65 6c | 6f 63 61 74 61 62 6c 65 |to a rel|ocatable|
|00000130| 20 62 6c 6f 63 6b 2c 50 | 75 72 67 69 6e 67 20 61 | block,P|urging a|
|00000140| 6e 64 20 72 65 61 6c 6c | 6f 63 61 74 69 6e 67 20 |nd reall|ocating |
|00000150| 61 20 72 65 6c 6f 63 61 | 74 61 62 6c 65 20 62 6c |a reloca|table bl|
|00000160| 6f 63 6b 21 41 6c 6c 6f | 63 61 74 69 6e 67 20 61 |ock!Allo|cating a|
|00000170| 20 6e 6f 6e 72 65 6c 6f | 63 61 74 61 62 6c 65 20 | nonrelo|catable |
|00000180| 62 6c 6f 63 6b 1f 41 6e | 20 65 66 66 65 63 74 69 |block.An| effecti|
|00000190| 76 65 6c 79 20 70 61 72 | 74 69 74 69 6f 6e 65 64 |vely par|titioned|
|000001a0| 20 68 65 61 70 1f 41 20 | 62 6c 6f 63 6b 20 68 65 | heap.A |block he|
|000001b0| 61 64 65 72 20 69 6e 20 | 61 20 32 34 2d 62 69 74 |ader in |a 24-bit|
|000001c0| 20 7a 6f 6e 65 1f 41 20 | 62 6c 6f 63 6b 20 68 65 | zone.A |block he|
|000001d0| 61 64 65 72 20 69 6e 20 | 61 20 33 32 2d 62 69 74 |ader in |a 32-bit|
|000001e0| 20 7a 6f 6e 65 2b 32 34 | 2d 62 69 74 20 4d 65 6d | zone+24|-bit Mem|
|000001f0| 6f 72 79 20 4d 61 6e 61 | 67 65 72 20 6c 6f 67 69 |ory Mana|ger logi|
|00000200| 63 61 6c 20 61 64 64 72 | 65 73 73 20 73 70 61 63 |cal addr|ess spac|
|00000210| 65 2b 33 32 2d 62 69 74 | 20 4d 65 6d 6f 72 79 20 |e+32-bit| Memory |
|00000220| 4d 61 6e 61 67 65 72 20 | 6c 6f 67 69 63 61 6c 20 |Manager |logical |
|00000230| 61 64 64 72 65 73 73 20 | 73 70 61 63 65 3f 54 68 |address |space?Th|
|00000240| 65 20 70 68 79 73 69 63 | 61 6c 20 61 64 64 72 65 |e physic|al addre|
|00000250| 73 73 20 73 70 61 63 65 | 20 6f 6e 20 61 20 4d 61 |ss space| on a Ma|
|00000260| 63 69 6e 74 6f 73 68 20 | 49 49 63 69 20 77 69 74 |cintosh |IIci wit|
|00000270| 68 20 38 20 4d 42 20 6f | 66 20 52 41 4d 18 54 68 |h 8 MB o|f RAM.Th|
|00000280| 65 20 4d 65 6d 6f 72 79 | 20 63 6f 6e 74 72 6f 6c |e Memory| control|
|00000290| 20 70 61 6e 65 6c 1a 49 | 6e 69 74 69 61 6c 69 7a | panel.I|nitializ|
|000002a0| 69 6e 67 20 61 20 73 74 | 61 74 75 73 20 63 6f 64 |ing a st|atus cod|
|000002b0| 65 12 52 65 61 64 69 6e | 67 20 73 74 61 6c 65 20 |e.Readin|g stale |
|000002c0| 64 61 74 61 1c 52 65 61 | 64 69 6e 67 20 69 6e 76 |data.Rea|ding inv|
|000002d0| 61 6c 69 64 20 69 6e 73 | 74 72 75 63 74 69 6f 6e |alid ins|truction|
|000002e0| 73                      |                         |s       |        |
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