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MacOS 8.1

Win98

DOS

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+--------+-------------------------+-------------------------+--------+--------+
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|00000200| 00 06 00 00 0c 00 00 14 | 00 09 01 dd 03 01 00 00 |........|........|
|00000210| 00 09 01 c2 02 26 02 26 | 00 00 00 00 00 00 00 00 |.....&.&|........|
|00000220| 00 00 00 00 00 00 00 00 | 00 00 00 1e f0 9f 52 f5 |........|......R.|
|00000230| 4f 45 f0 9f 09 f3 b0 41 | 2f 75 43 0d 45 f6 d0 1f |OE.....A|/uC.E...|
|00000240| 78 c1 e2 75 3f 0d 00 06 | 00 00 09 00 00 16 00 2b |x..u?...|.......+|
|00000250| 4e 75 6c 6c 09 46 52 45 | 53 54 4f 52 45 09 28 53 |Null.FRE|STORE.(S|
|00000260| 50 29 2b 09 3b 20 72 65 | 73 74 6f 72 65 20 74 68 |P)+.; re|store th|
|00000270| 65 20 46 50 20 73 74 61 | 74 65 0d 0d 00 06 00 00 |e FP sta|te......|
|00000280| 09 00 00 16 00 03 09 c9 | 0d 0d 00 06 00 00 09 00 |........|........|
|00000290| 00 16 00 1a f0 9f c9 f0 | 9f 09 f3 b0 f7 95 f7 54 |........|.......T|
|000002a0| 01 f7 8c 1e 27 53 0c 59 | 1f 0d 00 06 00 00 09 00 |....'S.Y|........|
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|000002f0| 00 29 09 4d 4f 56 45 2e | 42 09 31 28 53 50 29 2c |.).MOVE.|B.1(SP),|
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|00000400| 02 07 02 07 00 05 09 52 | 54 53 0d 0d 00 06 00 00 |.......R|TS......|
|00000410| 09 00 00 16 00 28 09 46 | 52 45 53 54 4f 52 45 20 |.....(.F|RESTORE |
|00000420| 09 28 53 50 29 2b 09 3b | 20 72 65 73 74 6f 72 65 |.(SP)+.;| restore|
|00000430| 20 74 68 65 20 46 50 20 | 73 74 61 74 65 0d 00 06 | the FP |state...|
|00000440| 00 00 09 00 00 16 00 1a | f0 9f c9 f0 9f 09 f3 b0 |........|........|
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|00000470| 58 09 46 50 52 65 67 73 | 2c 2d 28 53 50 29 09 3b |X.FPRegs|,-(SP).;|
|00000480| 20 73 61 76 65 20 74 68 | 65 20 46 50 20 72 65 67 | save th|e FP reg|
|00000490| 73 20 77 65 20 75 73 65 | 0d 0d 00 06 00 00 09 00 |s we use|........|
|000004a0| 00 16 00 28 56 42 4c 50 | 72 6f 63 09 46 53 41 56 |...(VBLP|roc.FSAV|
|000004b0| 45 09 2d 28 53 50 29 09 | 3b 20 73 61 76 65 20 74 |E.-(SP).|; save t|
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|000004d0| 09 00 00 16 00 09 01 dd | 00 03 00 00 00 09 00 51 |........|.......Q|
|000004e0| 00 99 00 fc 02 07 02 07 | 02 07 02 07 02 07 02 07 |........|........|
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|00000510| 53 90 f4 59 72 75 3f 0d | 00 12 00 00 0c 00 00 14 |S..Yru?.|........|
|00000520| 00 02 0c 02 00 14 00 17 | 0c 00 00 14 00 2d 01 dd |........|.....-..|
|00000530| 03 00 00 00 00 1b 02 07 | 02 07 02 07 02 07 02 07 |........|........|
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|00000550| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00000560| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00000570| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
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|000005c0| d1 41 3c 1f 3a f0 d0 00 | 00 06 00 00 0c 01 00 14 |.A<.:...|........|
|000005d0| 00 09 01 dd 03 00 00 00 | 00 09 02 07 02 07 02 07 |........|........|
|000005e0| 02 07 02 07 02 07 02 07 | 02 07 02 07 02 07 02 07 |........|........|
|000005f0| 02 07 00 01 0d 01 00 06 | 00 00 0c 00 00 14 00 03 |........|........|
|00000600| 09 c9 0d 0d 00 06 00 00 | 09 00 00 16 00 06 00 00 |........|........|
|00000610| 0c 00 00 14 00 01 0d ff | 00 06 00 00 0c 00 00 14 |........|........|
|00000620| 00 17 57 69 74 6e 65 73 | 73 69 6e 67 20 74 68 65 |..Witnes|sing the|
|00000630| 20 50 72 6f 62 6c 65 6d | 0d ff 00 06 00 00 0e 01 | Problem|........|
|00000640| 00 14 00 01 0d ff 00 06 | 00 00 0c 00 00 14 01 7b |........|.......{|
|00000650| 49 66 20 79 6f 75 20 73 | 65 65 20 74 68 65 20 6d |If you s|ee the m|
|00000660| 65 73 73 61 67 65 20 d2 | 53 70 75 72 69 6f 75 73 |essage .|Spurious|
|00000670| 20 49 6e 74 65 72 72 75 | 70 74 20 6f 66 20 74 68 | Interru|pt of th|
|00000680| 65 20 55 6e 69 6e 69 74 | 69 61 6c 69 7a 65 64 20 |e Uninit|ialized |
|00000690| 49 6e 74 65 72 72 75 70 | 74 20 76 65 63 74 6f 72 |Interrup|t vector|
|000006a0| d3 20 69 6e 20 4d 61 63 | 73 42 75 67 20 6f 72 20 |. in Mac|sBug or |
|000006b0| 74 68 65 20 6d 65 73 73 | 61 67 65 20 d2 55 6e 61 |the mess|age .Una|
|000006c0| 73 73 69 67 6e 65 64 20 | 49 6e 74 65 72 72 75 70 |ssigned |Interrup|
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|000006e0| 39 29 d3 20 66 72 6f 6d | 20 54 4d 4f 4e aa 2c 20 |9). from| TMON., |
|000006f0| 79 6f 75 20 73 68 6f 75 | 6c 64 20 73 75 73 70 65 |you shou|ld suspe|
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|00000760| 69 6e 73 74 72 75 63 74 | 69 6f 6e 73 20 61 74 20 |instruct|ions at |
|00000770| 69 6e 74 65 72 72 75 70 | 74 20 6c 65 76 65 6c 20 |interrup|t level |
|00000780| 6f 72 20 62 79 20 61 74 | 74 65 6d 70 74 69 6e 67 |or by at|tempting|
|00000790| 20 74 6f 20 68 61 6e 64 | 6c 65 20 68 61 72 64 77 | to hand|le hardw|
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|000007c0| 63 6f 72 72 65 63 74 6c | 79 2e 0d 00 00 06 00 00 |correctl|y.......|
|000007d0| 0c 00 00 14 00 01 0d 00 | 00 06 00 00 0c 00 00 14 |........|........|
|000007e0| 00 01 0d 00 00 06 00 00 | 0c 00 00 14 00 1d 49 6e |........|......In|
|000007f0| 74 65 72 72 75 70 74 69 | 6e 67 20 74 68 65 20 43 |terrupti|ng the C|
|00000800| 6f 70 72 6f 63 65 73 73 | 6f 72 0d 00 00 06 00 00 |oprocess|or......|
|00000810| 0e 01 00 14 00 01 0d 00 | 00 06 00 00 0c 00 00 14 |........|........|
|00000820| 01 67 49 66 20 79 6f 75 | 20 61 74 74 65 6d 70 74 |.gIf you| attempt|
|00000830| 20 74 6f 20 75 73 65 20 | 74 68 65 20 63 6f 70 72 | to use |the copr|
|00000840| 6f 63 65 73 73 6f 72 20 | 61 74 20 69 6e 74 65 72 |ocessor |at inter|
|00000850| 72 75 70 74 20 6c 65 76 | 65 6c 2c 20 79 6f 75 20 |rupt lev|el, you |
|00000860| 6d 61 79 20 62 65 20 69 | 6e 74 65 72 72 75 70 74 |may be i|nterrupt|
|00000870| 69 6e 67 20 61 20 66 6c | 6f 61 74 69 6e 67 20 70 |ing a fl|oating p|
|00000880| 6f 69 6e 74 20 70 72 6f | 63 65 73 73 6f 72 2e 20 |oint pro|cessor. |
|00000890| 20 59 6f 75 20 6d 75 73 | 74 20 73 61 76 65 20 74 | You mus|t save t|
|000008a0| 68 65 20 63 6f 70 72 6f | 63 65 73 73 6f 72 d5 73 |he copro|cessor.s|
|000008b0| 20 73 74 61 74 65 20 62 | 65 66 6f 72 65 20 65 78 | state b|efore ex|
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|000008f0| 20 63 6f 75 72 73 65 2c | 20 72 65 73 74 6f 72 65 | course,| restore|
|00000900| 20 69 74 20 6c 61 74 65 | 72 20 64 75 72 69 6e 67 | it late|r during|
|00000910| 20 74 68 65 20 69 6e 74 | 65 72 72 75 70 74 20 72 | the int|errupt r|
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|00000930| 71 75 69 72 65 73 20 61 | 73 73 65 6d 62 6c 79 20 |quires a|ssembly |
|00000940| 63 6f 64 65 20 73 69 6e | 63 65 20 74 68 65 72 65 |code sin|ce there|
|00000950| 20 69 73 20 6e 6f 20 63 | 6f 6e 76 65 6e 69 65 6e | is no c|onvenien|
|00000960| 74 20 77 61 79 20 74 6f | 20 64 6f 20 69 74 20 69 |t way to| do it i|
|00000970| 6e 20 61 20 68 69 67 68 | d0 6c 65 76 65 6c 20 6c |n a high|.level l|
|00000980| 61 6e 67 75 61 67 65 2e | 0d 00 00 06 00 00 0c 00 |anguage.|........|
|00000990| 00 14 00 01 0d 00 00 06 | 00 00 0c 00 00 14 02 09 |........|........|
|000009a0| 54 68 65 72 65 20 69 73 | 20 61 20 70 72 6f 74 6f |There is| a proto|
|000009b0| 63 6f 6c 20 74 68 61 74 | 20 6d 75 73 74 20 62 65 |col that| must be|
|000009c0| 20 66 6f 6c 6c 6f 77 65 | 64 2e 20 20 54 68 65 20 | followe|d.  The |
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|000009e0| 6f 69 6e 74 20 69 6e 73 | 74 72 75 63 74 69 6f 6e |oint ins|truction|
|000009f0| 20 6d 75 73 74 20 62 65 | 20 61 6e 20 46 53 41 56 | must be| an FSAV|
|00000a00| 45 2e 20 20 54 68 69 73 | 20 69 6e 73 74 72 75 63 |E.  This| instruc|
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|00000a30| 6e 79 20 6f 70 65 72 61 | 74 69 6f 6e 20 69 6e 20 |ny opera|tion in |
|00000a40| 70 72 6f 67 72 65 73 73 | 20 61 6e 64 20 73 61 76 |progress| and sav|
|00000a50| 65 73 20 74 68 65 20 69 | 6e 74 65 72 6e 61 6c 20 |es the i|nternal |
|00000a60| 73 74 61 74 65 2e 20 20 | 54 68 65 20 6e 75 6d 62 |state.  |The numb|
|00000a70| 65 72 20 6f 66 20 62 79 | 74 65 73 20 72 65 71 75 |er of by|tes requ|
|00000a80| 69 72 65 64 20 69 6e 20 | 74 68 69 73 20 6f 70 65 |ired in |this ope|
|00000a90| 72 61 74 69 6f 6e 20 64 | 65 70 65 6e 64 73 20 6f |ration d|epends o|
|00000aa0| 6e 20 74 68 65 20 73 74 | 61 74 65 20 69 74 20 69 |n the st|ate it i|
|00000ab0| 73 20 69 6e 2c 20 61 6e | 64 20 69 74 20 63 61 6e |s in, an|d it can|
|00000ac0| 20 62 65 20 75 70 20 74 | 6f 20 32 31 36 20 62 79 | be up t|o 216 by|
|00000ad0| 74 65 73 2e 20 20 49 66 | 20 61 6e 79 20 66 6c 6f |tes.  If| any flo|
|00000ae0| 61 74 69 6e 67 20 70 6f | 69 6e 74 20 72 65 67 69 |ating po|int regi|
|00000af0| 73 74 65 72 73 20 61 72 | 65 20 74 6f 20 62 65 20 |sters ar|e to be |
|00000b00| 75 73 65 64 2c 20 74 68 | 65 79 20 61 6c 73 6f 20 |used, th|ey also |
|00000b10| 6d 75 73 74 20 62 65 20 | 73 61 76 65 64 20 77 69 |must be |saved wi|
|00000b20| 74 68 20 74 68 65 20 46 | 4d 4f 56 45 20 69 6e 73 |th the F|MOVE ins|
|00000b30| 74 72 75 63 74 69 6f 6e | 2e 20 20 41 66 74 65 72 |truction|.  After|
|00000b40| 20 70 65 72 66 6f 72 6d | 69 6e 67 20 74 68 65 20 | perform|ing the |
|00000b50| 69 6e 74 65 72 72 75 70 | 74 20 72 6f 75 74 69 6e |interrup|t routin|
|00000b60| 65 2c 20 74 68 65 20 46 | 52 45 53 54 4f 52 45 20 |e, the F|RESTORE |
|00000b70| 69 6e 73 74 72 75 63 74 | 69 6f 6e 20 69 73 20 75 |instruct|ion is u|
|00000b80| 73 65 64 20 74 6f 20 72 | 65 73 74 6f 72 65 20 74 |sed to r|estore t|
|00000b90| 68 65 20 66 6c 6f 61 74 | 69 6e 67 20 70 6f 69 6e |he float|ing poin|
|00000ba0| 74 20 73 74 61 74 65 2e | 0d 00 00 2a 00 00 0c 00 |t state.|...*....|
|00000bb0| 00 14 00 5c 0c 00 00 16 | 00 61 0c 00 00 14 01 87 |...\....|.a......|
|00000bc0| 0c 00 00 16 01 8c 0c 00 | 00 14 01 c7 0c 00 00 16 |........|........|
|00000bd0| 01 cf 0c 00 00 14 00 21 | 57 72 69 74 74 65 6e 20 |.......!|Written |
|00000be0| 62 79 3a 09 4a 69 6d 20 | 52 65 65 6b 65 73 09 4a |by:.Jim |Reekes.J|
|00000bf0| 75 6e 65 20 31 39 38 39 | 0d 07 00 06 00 00 0c 00 |une 1989|........|
|00000c00| 00 14 00 27 f2 3f 32 f3 | 3f 35 f3 af 09 f4 35 5e |...'.?2.|?5....5^|
|00000c10| 14 62 73 f6 70 f7 77 2b | 02 b1 0f 43 5e 45 c1 88 |.bs.p.w+|...C^E..|
|00000c20| 54 f0 d0 00 00 06 00 00 | 12 01 00 14 00 4f 5f 5f |T.......|.....O__|
|00000c30| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00000c40| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00000c50| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00000c60| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00000c70| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 0d 00 00 06 |________|____....|
|00000c80| 00 00 0c 00 00 14 00 01 | 0d 00 00 06 00 00 0c 00 |........|........|
|00000c90| 00 14 09 00 00 16 00 3c | 56 42 4c 45 78 69 74 09 |.......<|VBLExit.|
|00000ca0| 46 4d 4f 56 45 4d 2e 58 | 09 28 53 50 29 2b 2c 46 |FMOVEM.X|.(SP)+,F|
|00000cb0| 50 52 65 67 73 09 3b 20 | 72 65 70 6c 61 63 65 20 |PRegs.; |replace |
|00000cc0| 74 68 65 20 46 50 20 72 | 65 67 73 20 77 65 20 75 |the FP r|egs we u|
|00000cd0| 73 65 64 0d 00 06 00 00 | 09 00 00 16 00 01 0d 01 |sed.....|........|
|00000ce0| 00 06 00 00 0c 00 00 14 | 00 01 0d 00 00 06 00 00 |........|........|
|00000cf0| 0c 00 00 14 00 09 01 dd | 03 00 00 00 00 09 02 07 |........|........|
|00000d00| 02 07 02 07 02 07 02 07 | 02 07 02 07 02 07 02 07 |........|........|
|00000d10| 02 07 02 07 02 07 00 01 | 0d 01 00 06 00 00 0c 00 |........|........|
|00000d20| 00 14 0d 00 00 06 00 00 | 0c 00 00 14 02 72 4e 6f |........|.....rNo|
|00000d30| 74 65 20 74 68 61 74 20 | 74 68 65 20 63 6f 70 72 |te that |the copr|
|00000d40| 6f 63 65 73 73 6f 72 20 | 6d 61 79 20 6e 6f 74 20 |ocessor |may not |
|00000d50| 62 65 20 69 6e 20 61 20 | 63 6f 6e 64 69 74 69 6f |be in a |conditio|
|00000d60| 6e 20 74 6f 20 62 65 20 | 69 6e 74 65 72 72 75 70 |n to be |interrup|
|00000d70| 74 65 64 2c 20 61 6e 64 | 20 74 68 65 20 46 53 41 |ted, and| the FSA|
|00000d80| 56 45 20 69 6e 73 74 72 | 75 63 74 69 6f 6e 20 77 |VE instr|uction w|
|00000d90| 69 6c 6c 20 68 61 6c 74 | 20 74 68 65 20 6d 61 69 |ill halt| the mai|
|00000da0| 6e 20 70 72 6f 63 65 73 | 73 6f 72 20 75 6e 74 69 |n proces|sor unti|
|00000db0| 6c 20 73 75 63 68 20 61 | 20 63 6f 6e 64 69 74 69 |l such a| conditi|
|00000dc0| 6f 6e 20 63 61 6e 20 62 | 65 20 6d 65 74 2e 20 20 |on can b|e met.  |
|00000dd0| 54 6f 20 67 69 76 65 20 | 61 6e 20 69 64 65 61 20 |To give |an idea |
|00000de0| 6f 6e 20 74 68 65 20 74 | 69 6d 65 20 72 65 71 75 |on the t|ime requ|
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+--------+-------------------------+-------------------------+--------+--------+