BBS in a Box 4

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/ BBS in a Box 4 / BBS in a Box - Macintosh - Volume IV (January 1992) (BBS in a Box).iso / Files / MacTechNotes / TN.201.250 / TN.221.NuBus Interrupt Latency / TN.221.NuBus Interrupt Latency.rsrc < prev next >

MacOS Resource Fork | 1989-07-17 | 1002 b | [DDf4/DDAP]

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MacOS 8.1 extracted |

Win98 extracted |

DOS extracted

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This file was processed as: MacOS Resource Fork (archive/rsrc).

Confidence	Program	Detection	Match Type	Support
`100%`	dexvert	MacOS Resource Fork `(archive/rsrc)`	magic	Supported
`10%`	dexvert	Jesper Olsen Module `(music/jesperOlsen)`	magic	Supported
`1%`	dexvert	BeOS Resource Data `(archive/beOSResourceData)`	ext	Unsupported
`1%`	dexvert	AppleSingle `(archive/appleSingle)`	fallback	Supported
`0%`	dexvert	TTComp Archive `(archive/ttcomp)`	fallback	Supported
`100%`	file	AppleDouble encoded Macintosh file	default
`99%`	file	data	default
`66%`	TrID	Mac AppleDouble encoded	default
`33%`	TrID	TTComp archive compressed (bin-2K)	default (weak)
`100%`	lsar	AppleSingle	default

id metadata
key	value
macFileType	`[DDf4]`
macFileCreator	`[DDAP]`

hex view

+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 05 16 07 00 02 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000010| 00 00 00 00 00 00 00 00 | 00 02 00 00 00 09 00 00 |........|........|
|00000020| 00 32 00 00 00 20 00 00 | 00 02 00 00 00 52 00 00 |.2... ..|.....R..|
|00000030| 03 98 44 44 66 34 44 44 | 41 50 01 00 00 00 00 00 |..DDf4DD|AP......|
|00000040| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000050| 00 00 00 00 01 00 00 00 | 03 2f 00 00 02 2f 00 00 |........|./.../..|
|00000060| 00 69 00 00 00 49 00 0b | f5 20 02 f2 00 00 00 1c |.i...I..|. ......|
|00000070| 00 32 00 00 46 43 4d 54 | 00 00 00 0a 00 00 00 00 |.2..FCMT|........|
|00000080| 00 00 1e 54 4e 2e 32 32 | 31 2e 4e 75 42 75 73 20 |...TN.22|1.NuBus |
|00000090| 49 6e 74 65 72 72 75 70 | 74 20 4c 61 74 65 6e 63 |Interrup|t Latenc|
|000000a0| 79 65 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |ye......|........|
|000000b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000c0| 00 00 00 00 a5 47 2d d0 | 00 00 1d 8e 00 00 03 98 |.....G-.|........|
|000000d0| 65 71 75 65 6e 63 65 72 | 2e 73 69 74 20 20 20 20 |equencer|.sit    |
|000000e0| 20 20 20 09 20 54 65 6c | 65 44 4c 20 20 20 20 20 |   . Tel|eDL     |
|000000f0| 20 09 20 41 4d 55 47 20 | 43 44 3a 46 69 6c 65 73 | . AMUG |CD:Files|
|00000100| 3a 54 65 6c 65 3a 53 3a | 53 65 71 75 65 6e 63 65 |:Tele:S:|Sequence|
|00000110| 72 2e 73 69 74 20 20 20 | 20 20 20 09 20 20 20 20 |r.sit   |   .    |
|00000120| 20 20 20 20 20 20 09 20 | 20 20 20 30 09 20 20 20 |      . |   0.   |
|00000130| 35 4b 09 20 31 32 2f 32 | 35 2f 38 39 09 20 53 65 |5K. 12/2|5/89. Se|
|00000140| 71 75 65 6e 63 65 72 2e | 73 69 74 20 61 6c 6c 6f |quencer.|sit allo|
|00000150| 77 73 00 00 01 27 54 4e | 2e 32 32 31 2e 4e 75 42 |ws...'TN|.221.NuB|
|00000160| 75 73 20 49 6e 74 65 72 | 72 75 70 74 20 4c 61 74 |us Inter|rupt Lat|
|00000170| 65 6e 63 79 20 2d 20 54 | 68 69 73 20 54 65 63 68 |ency - T|his Tech|
|00000180| 6e 69 63 61 6c 20 4e 6f | 74 65 20 64 69 73 63 75 |nical No|te discu|
|00000190| 73 73 65 73 20 4e 75 42 | 75 73 aa 20 69 6e 74 65 |sses NuB|us. inte|
|000001a0| 72 72 75 70 74 20 6c 61 | 74 65 6e 63 79 2c 20 61 |rrupt la|tency, a|
|000001b0| 6e 64 20 77 68 79 2c 20 | 63 6f 6e 74 72 61 72 79 |nd why, |contrary|
|000001c0| 20 74 6f 20 70 6f 70 75 | 6c 61 72 20 62 65 6c 69 | to popu|lar beli|
|000001d0| 65 66 2c 20 74 68 65 20 | 4d 61 63 69 6e 74 6f 73 |ef, the |Macintos|
|000001e0| 68 20 69 73 20 6e 6f 74 | 20 61 20 72 65 61 6c 2d |h is not| a real-|
|000001f0| 74 69 6d 65 20 6d 61 63 | 68 69 6e 65 2e 20 43 68 |time mac|hine. Ch|
|00000200| 61 6e 67 65 73 20 73 69 | 6e 63 65 20 44 65 63 65 |anges si|nce Dece|
|00000210| 6d 62 65 72 20 31 39 38 | 38 3a 20 20 43 68 61 6e |mber 198|8:  Chan|
|00000220| 67 65 64 20 73 61 6d 70 | 6c 65 20 63 6f 64 65 20 |ged samp|le code |
|00000230| 74 6f 20 64 65 66 65 72 | 20 63 75 72 73 6f 72 20 |to defer| cursor |
|00000240| 72 65 6e 64 65 72 69 6e | 67 20 74 6f 20 61 20 64 |renderin|g to a d|
|00000250| 65 66 65 72 72 65 64 20 | 74 61 73 6b 20 72 61 74 |eferred |task rat|
|00000260| 68 65 72 20 74 68 61 6e | 20 61 20 d2 70 73 65 75 |her than| a .pseu|
|00000270| 64 6f 2d 56 42 4c d3 20 | 74 61 73 6b 2e 00 00 01 |do-VBL. |task....|
|00000280| 00 ff 54 4e 2e 32 32 31 | 2e 4e 75 42 75 73 20 49 |..TN.221|.NuBus I|
|00000290| 6e 74 65 72 72 75 70 74 | 20 4c 61 74 65 6e 63 79 |nterrupt| Latency|
|000002a0| 20 2d 20 54 68 69 73 20 | 54 65 63 68 6e 69 63 61 | - This |Technica|
|000002b0| 6c 20 4e 6f 74 65 20 64 | 69 73 63 75 73 73 65 73 |l Note d|iscusses|
|000002c0| 20 4e 75 42 75 73 aa 20 | 69 6e 74 65 72 72 75 70 | NuBus. |interrup|
|000002d0| 74 20 6c 61 74 65 6e 63 | 79 2c 20 61 6e 64 20 77 |t latenc|y, and w|
|000002e0| 68 79 2c 20 63 6f 6e 74 | 72 61 72 79 20 74 6f 20 |hy, cont|rary to |
|000002f0| 70 6f 70 75 6c 61 72 20 | 62 65 6c 69 65 66 2c 20 |popular |belief, |
|00000300| 74 68 65 20 4d 61 63 69 | 6e 74 6f 73 68 20 69 73 |the Maci|ntosh is|
|00000310| 20 6e 6f 74 20 61 20 72 | 65 61 6c 2d 74 69 6d 65 | not a r|eal-time|
|00000320| 20 6d 61 63 68 69 6e 65 | 2e 20 43 68 61 6e 67 65 | machine|. Change|
|00000330| 73 20 73 69 6e 63 65 20 | 44 65 63 65 6d 62 65 72 |s since |December|
|00000340| 20 31 39 38 38 3a 20 20 | 43 68 61 6e 67 65 64 20 | 1988:  |Changed |
|00000350| 73 61 6d 70 6c 65 20 63 | 6f 64 65 74 6f 20 64 65 |sample c|odeto de|
|00000360| 66 65 72 20 63 75 72 73 | 6f 72 20 72 65 6e 64 65 |fer curs|or rende|
|00000370| 72 69 6e 67 20 74 6f 20 | 61 20 64 65 66 65 72 72 |ring to |a deferr|
|00000380| 65 00 00 01 00 00 00 03 | 2f 00 00 02 2f 00 00 00 |e.......|/.../...|
|00000390| 69 00 65 de 74 07 b8 00 | 00 00 1c 00 46 00 01 53 |i.e.t...|....F..S|
|000003a0| 69 74 43 00 00 00 12 46 | 43 4d 54 00 00 00 1e 00 |itC....F|CMT.....|
|000003b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 11 00 |........|........|
|000003c0| 00 01 2b 00 66 19 54 10 | 4c 6f 6e 67 20 44 65 73 |..+.f.T.|Long Des|
|000003d0| 63 72 69 70 74 69 6f 6e | 11 42 72 69 65 66 20 44 |cription|.Brief D|
|000003e0| 65 73 63 72 69 70 74 69 | 6f 6e                   |escripti|on      |
+--------+-------------------------+-------------------------+--------+--------+