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MacBinary | 1989-11-15 | 6.6 KB | [ TEXT/pdos]
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This file was processed as: MacBinary
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You can browse this item here: TN.PDOS.020
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MacBinary II, inited, Wed Nov 15 12:35:54 1989, modified Wed Nov 15 12:35:54 1989, creator Apple ProDOS file system, type ASCII, 6177 bytes "TN.PDOS.020" , at 0x18a1 382 bytes resource
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id metadata key value macFileType [ TEXT] macFileCreator [ pdos]
hex view +--------+-------------------------+-------------------------+--------+--------+ |00000000| 00 0b 54 4e 2e 50 44 4f | 53 2e 30 32 30 00 00 00 |..TN.PDO|S.020...| |00000010| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........| |00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........| |00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........| |00000040| 00 54 45 58 54 70 64 6f | 73 01 00 00 00 00 00 00 |.TEXTpdo|s.......| |00000050| 00 00 00 00 00 18 21 00 | 00 01 7e a1 87 4e fa a1 |......!.|..~..N..| |00000060| 87 4e fa 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |.N......|........| |00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 08 82 00 00 |........|........| |00000080| 41 70 70 6c 65 20 49 49 | 0d 54 65 63 68 6e 69 63 |Apple II|.Technic| |00000090| 61 6c 20 4e 6f 74 65 73 | 0d 5f 5f 5f 5f 5f 5f 5f |al Notes|._______| |000000a0| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________| |000000b0| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________| |000000c0| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________| |000000d0| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________| |000000e0| 5f 5f 5f 5f 5f 5f 0d 20 | 20 20 20 20 20 20 20 20 |______. | | |000000f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | | |00000100| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | | |00000110| 20 20 20 20 20 20 20 20 | 20 44 65 76 65 6c 6f 70 | | Develop| |00000120| 65 72 20 54 65 63 68 6e | 69 63 61 6c 20 53 75 70 |er Techn|ical Sup| |00000130| 70 6f 72 74 0d 0d 0d 50 | 72 6f 44 4f 53 20 38 0d |port...P|roDOS 8.| |00000140| 23 32 30 3a 20 20 20 20 | 4d 69 72 72 6f 72 65 64 |#20: |Mirrored| |00000150| 20 44 65 76 69 63 65 73 | 20 61 6e 64 20 53 6d 61 | Devices| and Sma| |00000160| 72 74 50 6f 72 74 0d 0d | 52 65 76 69 73 65 64 20 |rtPort..|Revised | |00000170| 62 79 3a 20 20 20 20 4d | 61 74 74 20 44 65 61 74 |by: M|att Deat| |00000180| 68 65 72 61 67 65 20 20 | 20 20 20 20 20 20 20 20 |herage | | |00000190| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | | |000001a0| 20 20 20 20 20 20 20 20 | 4e 6f 76 65 6d 62 65 72 | |November| |000001b0| 20 31 39 38 38 0d 57 72 | 69 74 74 65 6e 20 62 79 | 1988.Wr|itten by| |000001c0| 3a 20 20 20 20 4d 61 74 | 74 20 44 65 61 74 68 65 |: Mat|t Deathe| |000001d0| 72 61 67 65 20 20 20 20 | 20 20 20 20 20 20 20 20 |rage | | |000001e0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | | |000001f0| 20 20 20 20 20 20 20 20 | 20 20 20 4d 61 79 20 31 | | May 1| |00000200| 39 38 38 0d 0d 54 68 69 | 73 20 54 65 63 68 6e 69 |988..Thi|s Techni| |00000210| 63 61 6c 20 4e 6f 74 65 | 20 64 65 73 63 72 69 62 |cal Note| describ| |00000220| 65 73 20 68 6f 77 20 50 | 72 6f 44 4f 53 20 38 20 |es how P|roDOS 8 | |00000230| 72 65 61 63 74 73 20 77 | 68 65 6e 20 6d 6f 72 65 |reacts w|hen more| |00000240| 20 74 68 61 6e 20 74 77 | 6f 20 53 6d 61 72 74 50 | than tw|o SmartP| |00000250| 6f 72 74 20 0d 64 65 76 | 69 63 65 73 20 61 72 65 |ort .dev|ices are| |00000260| 20 63 6f 6e 6e 65 63 74 | 65 64 2c 20 68 6f 77 20 | connect|ed, how | |00000270| 61 70 70 6c 69 63 61 74 | 69 6f 6e 73 20 75 73 69 |applicat|ions usi| |00000280| 6e 67 20 64 69 72 65 63 | 74 20 64 65 76 69 63 65 |ng direc|t device| |00000290| 20 61 63 63 65 73 73 20 | 73 68 6f 75 6c 64 20 0d | access |should .| |000002a0| 62 65 68 61 76 65 2c 20 | 61 6e 64 20 6f 74 68 65 |behave, |and othe| |000002b0| 72 20 72 65 6c 61 74 65 | 64 20 69 73 73 75 65 73 |r relate|d issues| |000002c0| 2e 20 20 54 68 69 73 20 | 4e 6f 74 65 20 73 75 70 |. This |Note sup| |000002d0| 65 72 73 65 64 65 73 20 | 53 65 63 74 69 6f 6e 20 |ersedes |Section | |000002e0| 36 2e 33 2e 31 20 6f 66 | 20 74 68 65 20 0d 50 72 |6.3.1 of| the .Pr| |000002f0| 6f 44 4f 53 20 38 20 54 | 65 63 68 6e 69 63 61 6c |oDOS 8 T|echnical| |00000300| 20 52 65 66 65 72 65 6e | 63 65 20 4d 61 6e 75 61 | Referen|ce Manua| |00000310| 6c 2e 0d 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |l.._____|________| |00000320| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________| |00000330| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________| |00000340| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________| |00000350| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________| |00000360| 0d 0d 41 6c 74 68 6f 75 | 67 68 20 53 6d 61 72 74 |..Althou|gh Smart| |00000370| 50 6f 72 74 20 74 68 65 | 6f 72 65 74 69 63 61 6c |Port the|oretical| |00000380| 6c 79 20 63 61 6e 20 68 | 61 6e 64 6c 65 20 75 70 |ly can h|andle up| |00000390| 20 74 6f 20 31 32 37 20 | 64 65 76 69 63 65 73 20 | to 127 |devices | |000003a0| 63 6f 6e 6e 65 63 74 65 | 64 20 74 6f 20 61 20 0d |connecte|d to a .| |000003b0| 73 69 6e 67 6c 65 20 69 | 6e 74 65 72 66 61 63 65 |single i|nterface| |000003c0| 20 28 69 6e 20 70 72 61 | 63 74 69 63 65 2c 20 65 | (in pra|ctice, e| |000003d0| 6c 65 63 74 72 69 63 61 | 6c 20 63 6f 6e 73 69 64 |lectrica|l consid| |000003e0| 65 72 61 74 69 6f 6e 73 | 20 63 75 72 74 61 69 6c |erations| curtail| |000003f0| 20 74 68 69 73 20 0d 63 | 6f 6e 73 69 64 65 72 61 | this .c|onsidera| |00000400| 62 6c 79 29 2c 20 50 72 | 6f 44 4f 53 20 38 20 63 |bly), Pr|oDOS 8 c| |00000410| 61 6e 20 68 61 6e 64 6c | 65 20 6f 6e 6c 79 20 74 |an handl|e only t| |00000420| 77 6f 20 64 65 76 69 63 | 65 73 20 70 65 72 20 73 |wo devic|es per s| |00000430| 6c 6f 74 2e 20 20 54 68 | 69 73 20 69 73 20 62 65 |lot. 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Fur| |00000980| 74 68 65 72 20 69 6e 20 | 74 68 65 20 62 6f 6f 74 |ther in |the boot| |00000990| 20 70 72 6f 63 65 73 73 | 2c 20 69 66 20 50 72 6f | process|, if Pro| |000009a0| 44 4f 53 20 66 69 6e 64 | 73 20 0d 74 68 65 20 69 |DOS find|s .the i| |000009b0| 6e 74 65 72 66 61 63 65 | 20 6f 66 20 61 20 62 6c |nterface| of a bl| |000009c0| 6f 63 6b 20 64 65 76 69 | 63 65 20 69 6e 20 73 6c |ock devi|ce in sl| |000009d0| 6f 74 20 32 20 28 6e 6f | 74 20 70 6f 73 73 69 62 |ot 2 (no|t possib| |000009e0| 6c 65 20 6f 6e 20 61 20 | 49 49 63 29 2c 20 69 74 |le on a |IIc), it| |000009f0| 20 72 65 70 6c 61 63 65 | 73 20 0d 74 68 65 20 76 | replace|s .the v| |00000a00| 65 63 74 6f 72 73 20 63 | 6f 70 69 65 64 20 66 72 |ectors c|opied fr| |00000a10| 6f 6d 20 73 6c 6f 74 20 | 35 20 77 69 74 68 20 74 |om slot |5 with t| |00000a20| 68 65 20 70 72 6f 70 65 | 72 20 64 65 76 69 63 65 |he prope|r device| |00000a30| 2d 64 72 69 76 65 72 20 | 76 65 63 74 6f 72 73 20 |-driver |vectors | |00000a40| 66 6f 72 20 73 6c 6f 74 | 20 0d 32 3b 20 74 68 69 |for slot| .2; thi| |00000a50| 73 20 69 73 20 74 68 65 | 20 72 65 61 73 6f 6e 20 |s is the| reason | |00000a60| 6d 69 72 72 6f 72 69 6e | 67 20 69 73 20 64 69 73 |mirrorin|g is dis| |00000a70| 61 62 6c 65 64 20 69 66 | 20 74 68 65 72 65 20 69 |abled if| there i| |00000a80| 73 20 61 20 50 72 6f 44 | 4f 53 20 64 65 76 69 63 |s a ProD|OS devic| |00000a90| 65 20 69 6e 20 0d 73 6c | 6f 74 20 32 2e 20 20 4e |e in .sl|ot 2. 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