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+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 13 48 57 30 37 20 43 | 4d 4f 53 20 4f 6e 20 4c |..HW07 C|MOS On L|
|00000010| 43 20 50 44 53 00 00 00 | 00 00 00 00 00 00 00 00 |C PDS...|........|
|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 4f 4e 4c 4e 48 4c 58 | 32 01 00 00 00 00 00 00 |.ONLNHLX|2.......|
|00000050| 00 00 00 00 00 1c 23 00 | 00 04 d4 aa b6 f3 30 aa |......#.|......0.|
|00000060| ca b9 d4 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 9e 37 00 00 |........|.....7..|
|00000080| 48 57 20 37 20 2d 20 43 | 4d 4f 53 20 4f 6e 20 4d |HW 7 - C|MOS On M|
|00000090| 61 63 69 6e 74 6f 73 68 | 20 4c 43 20 50 44 53 0d |acintosh| LC PDS.|
|000000a0| 48 61 72 64 77 61 72 65 | 09 0d 57 72 69 74 74 65 |Hardware|..Writte|
|000000b0| 6e 20 62 79 3a 09 50 61 | 75 6c 20 42 61 6b 65 72 |n by:.Pa|ul Baker|
|000000c0| 20 26 20 52 69 63 68 20 | 43 6f 6c 6c 79 65 72 09 | & Rich |Collyer.|
|000000d0| 46 65 62 72 75 61 72 79 | 20 31 39 39 31 0d 54 68 |February| 1991.Th|
|000000e0| 69 73 20 54 65 63 68 6e | 69 63 61 6c 20 4e 6f 74 |is Techn|ical Not|
|000000f0| 65 20 70 72 6f 76 69 64 | 65 73 20 50 44 53 20 63 |e provid|es PDS c|
|00000100| 61 72 64 20 64 65 76 65 | 6c 6f 70 65 72 73 20 77 |ard deve|lopers w|
|00000110| 69 74 68 20 73 6f 6d 65 | 20 69 6d 70 6f 72 74 61 |ith some| importa|
|00000120| 6e 74 20 69 6e 66 6f 72 | 6d 61 74 69 6f 6e 20 61 |nt infor|mation a|
|00000130| 62 6f 75 74 20 6d 61 6b | 69 6e 67 20 50 44 53 20 |bout mak|ing PDS |
|00000140| 63 61 72 64 73 20 66 6f | 72 20 74 68 65 20 4d 61 |cards fo|r the Ma|
|00000150| 63 69 6e 74 6f 73 68 20 | 4c 43 2e 0d 44 75 65 20 |cintosh |LC..Due |
|00000160| 74 6f 20 74 68 65 20 77 | 61 79 20 74 68 65 20 4d |to the w|ay the M|
|00000170| 61 63 69 6e 74 6f 73 68 | 20 4c 43 20 77 61 73 20 |acintosh| LC was |
|00000180| 64 65 73 69 67 6e 65 64 | 2c 20 41 70 70 6c 65 20 |designed|, Apple |
|00000190| 73 74 72 6f 6e 67 6c 79 | 20 72 65 63 6f 6d 6d 65 |strongly| recomme|
|000001a0| 6e 64 73 20 74 68 61 74 | 20 61 6c 6c 20 50 44 53 |nds that| all PDS|
|000001b0| 20 63 61 72 64 73 20 62 | 65 20 64 65 76 65 6c 6f | cards b|e develo|
|000001c0| 70 65 64 20 77 69 74 68 | 20 43 4d 4f 53 20 70 61 |ped with| CMOS pa|
|000001d0| 72 74 73 2e 0d 57 68 79 | 3f 0d 41 70 70 6c 65 20 |rts..Why|?.Apple |
|000001e0| 72 65 63 6f 6d 6d 65 6e | 64 73 20 75 73 69 6e 67 |recommen|ds using|
|000001f0| 20 43 4d 4f 53 20 70 61 | 72 74 73 20 62 65 63 61 | CMOS pa|rts beca|
|00000200| 75 73 65 20 6f 66 20 74 | 68 65 20 77 61 79 20 74 |use of t|he way t|
|00000210| 68 65 20 74 69 6d 69 6e | 67 20 77 6f 72 6b 73 20 |he timin|g works |
|00000220| 69 6e 73 69 64 65 20 74 | 68 65 20 56 38 20 41 53 |inside t|he V8 AS|
|00000230| 49 43 2e 20 20 57 68 65 | 6e 20 61 20 43 50 55 20 |IC.  Whe|n a CPU |
|00000240| 61 63 63 65 73 73 20 74 | 6f 20 56 49 41 31 20 74 |access t|o VIA1 t|
|00000250| 61 6b 65 73 20 70 6c 61 | 63 65 20 61 74 20 65 78 |akes pla|ce at ex|
|00000260| 61 63 74 6c 79 20 74 68 | 65 20 73 61 6d 65 20 74 |actly th|e same t|
|00000270| 69 6d 65 20 61 73 20 61 | 20 56 52 41 4d 20 74 72 |ime as a| VRAM tr|
|00000280| 61 6e 73 66 65 72 20 63 | 79 63 6c 65 2c 20 74 68 |ansfer c|ycle, th|
|00000290| 65 20 4c 53 32 34 35 20 | 62 75 66 66 65 72 73 20 |e LS245 |buffers |
|000002a0| 62 65 74 77 65 65 6e 20 | 74 68 65 20 6d 65 6d 6f |between |the memo|
|000002b0| 72 79 20 62 75 73 20 61 | 6e 64 20 74 68 65 20 70 |ry bus a|nd the p|
|000002c0| 72 6f 63 65 73 73 6f 72 | 20 62 75 73 20 61 72 65 |rocessor| bus are|
|000002d0| 20 64 69 73 61 62 6c 65 | 64 20 74 68 72 65 65 20 | disable|d three |
|000002e0| 63 6c 6f 63 6b 73 20 62 | 65 66 6f 72 65 20 74 68 |clocks b|efore th|
|000002f0| 65 20 65 6e 64 20 6f 66 | 20 74 68 65 20 43 50 55 |e end of| the CPU|
|00000300| 20 63 79 63 6c 65 2e 20 | 20 53 69 6e 63 65 20 61 | cycle. | Since a|
|00000310| 6c 6c 20 74 68 65 20 70 | 61 72 74 73 20 6f 6e 20 |ll the p|arts on |
|00000320| 74 68 65 20 62 75 73 20 | 61 72 65 20 43 4d 4f 53 |the bus |are CMOS|
|00000330| 2c 20 65 76 65 6e 20 74 | 68 6f 75 67 68 20 74 68 |, even t|hough th|
|00000340| 65 20 62 75 73 20 69 73 | 20 6e 6f 74 20 64 72 69 |e bus is| not dri|
|00000350| 76 65 6e 2c 20 69 74 20 | 64 6f 65 73 20 6e 6f 74 |ven, it |does not|
|00000360| 20 72 65 74 75 72 6e 20 | 77 72 6f 6e 67 20 64 61 | return |wrong da|
|00000370| 74 61 20 62 65 63 61 75 | 73 65 20 62 75 73 20 63 |ta becau|se bus c|
|00000380| 61 70 61 63 69 74 61 6e | 63 65 20 6b 65 65 70 73 |apacitan|ce keeps|
|00000390| 20 74 68 65 20 62 75 73 | 20 69 6e 20 74 68 65 20 | the bus| in the |
|000003a0| 63 6f 72 72 65 63 74 20 | 73 74 61 74 65 2e 0d 49 |correct |state..I|
|000003b0| 66 20 61 6e 20 65 78 70 | 61 6e 73 69 6f 6e 20 63 |f an exp|ansion c|
|000003c0| 61 72 64 20 69 73 20 61 | 64 64 65 64 20 74 6f 20 |ard is a|dded to |
|000003d0| 74 68 65 20 73 79 73 74 | 65 6d 2c 20 61 6e 64 20 |the syst|em, and |
|000003e0| 74 68 61 74 20 65 78 70 | 61 6e 73 69 6f 6e 20 63 |that exp|ansion c|
|000003f0| 61 72 64 20 75 73 65 73 | 20 61 20 54 54 4c 20 62 |ard uses| a TTL b|
|00000400| 75 66 66 65 72 2c 20 74 | 68 65 20 6c 6f 61 64 20 |uffer, t|he load |
|00000410| 63 61 75 73 65 64 20 62 | 79 20 74 68 65 20 54 54 |caused b|y the TT|
|00000420| 4c 20 70 61 72 74 20 63 | 61 6e 20 63 61 75 73 65 |L part c|an cause|
|00000430| 20 74 68 65 20 62 75 73 | 20 74 6f 20 64 69 73 63 | the bus| to disc|
|00000440| 68 61 72 67 65 2c 20 72 | 65 73 75 6c 74 69 6e 67 |harge, r|esulting|
|00000450| 20 69 6e 20 77 72 6f 6e | 67 20 72 65 61 64 20 64 | in wron|g read d|
|00000460| 61 74 61 2e 20 20 49 66 | 20 65 78 70 61 6e 73 69 |ata.  If| expansi|
|00000470| 6f 6e 20 63 61 72 64 73 | 20 61 72 65 20 62 75 69 |on cards| are bui|
|00000480| 6c 74 20 75 73 69 6e 67 | 20 43 4d 4f 53 20 62 75 |lt using| CMOS bu|
|00000490| 66 66 65 72 73 20 6f 72 | 20 43 4d 4f 53 20 41 53 |ffers or| CMOS AS|
|000004a0| 49 43 73 2c 20 74 68 65 | 6e 20 74 68 65 73 65 20 |ICs, the|n these |
|000004b0| 70 72 6f 62 6c 65 6d 73 | 20 61 72 65 20 61 76 6f |problems| are avo|
|000004c0| 69 64 65 64 20 61 6e 64 | 20 61 6c 6c 20 61 72 65 |ided and| all are|
|000004d0| 20 68 61 70 70 79 2e 0d | 53 6f 6c 75 74 69 6f 6e | happy..|Solution|
|000004e0| 0d 54 68 65 72 65 66 6f | 72 65 2c 20 61 6c 6c 20 |.Therefo|re, all |
|000004f0| 65 78 70 61 6e 73 69 6f | 6e 20 63 61 72 64 73 20 |expansio|n cards |
|00000500| 66 6f 72 20 74 68 65 20 | 4d 61 63 69 6e 74 6f 73 |for the |Macintos|
|00000510| 68 20 4c 43 20 73 68 6f | 75 6c 64 20 68 61 76 65 |h LC sho|uld have|
|00000520| 20 43 4d 4f 53 20 64 72 | 69 76 65 72 73 20 6f 6e | CMOS dr|ivers on|
|00000530| 20 74 68 65 20 68 69 67 | 68 20 62 79 74 65 20 6f | the hig|h byte o|
|00000540| 66 20 74 68 65 20 64 61 | 74 61 20 62 75 73 2e 20 |f the da|ta bus. |
|00000550| 20 54 68 69 73 20 63 61 | 6e 20 62 65 20 64 6f 6e | This ca|n be don|
|00000560| 65 20 65 69 74 68 65 72 | 20 62 79 20 75 73 69 6e |e either| by usin|
|00000570| 67 20 61 20 43 4d 4f 53 | 20 62 75 66 66 65 72 2c |g a CMOS| buffer,|
|00000580| 20 73 75 63 68 20 61 73 | 20 61 20 37 34 41 43 54 | such as| a 74ACT|
|00000590| 32 34 35 2c 20 6f 72 20 | 62 79 20 64 72 69 76 69 |245, or |by drivi|
|000005a0| 6e 67 20 74 68 65 20 62 | 75 73 20 64 69 72 65 63 |ng the b|us direc|
|000005b0| 74 6c 79 20 66 72 6f 6d | 20 61 20 43 4d 4f 53 20 |tly from| a CMOS |
|000005c0| 67 61 74 65 20 61 72 72 | 61 79 2e 20 20 53 69 6e |gate arr|ay.  Sin|
|000005d0| 63 65 20 74 68 69 73 20 | 6f 6e 6c 79 20 73 68 6f |ce this |only sho|
|000005e0| 77 73 20 75 70 20 77 68 | 65 6e 20 74 68 65 20 43 |ws up wh|en the C|
|000005f0| 50 55 20 69 73 20 61 63 | 63 65 73 73 69 6e 67 20 |PU is ac|cessing |
|00000600| 56 49 41 31 20 61 74 20 | 74 68 65 20 73 61 6d 65 |VIA1 at |the same|
|00000610| 20 74 69 6d 65 20 61 73 | 20 61 20 76 69 64 65 6f | time as| a video|
|00000620| 20 72 65 66 72 65 73 68 | 20 68 61 70 70 65 6e 73 | refresh| happens|
|00000630| 2c 20 69 74 20 64 6f 65 | 73 20 6e 6f 74 20 73 68 |, it doe|s not sh|
|00000640| 6f 77 20 75 70 20 66 72 | 65 71 75 65 6e 74 6c 79 |ow up fr|equently|
|00000650| 2e 20 20 46 6f 72 20 74 | 68 69 73 20 72 65 61 73 |.  For t|his reas|
|00000660| 6f 6e 2c 20 69 74 20 77 | 6f 75 6c 64 20 62 65 20 |on, it w|ould be |
|00000670| 61 20 67 6f 6f 64 20 69 | 64 65 61 20 74 6f 20 74 |a good i|dea to t|
|00000680| 65 73 74 20 61 6e 79 20 | 73 79 73 74 65 6d 20 77 |est any |system w|
|00000690| 69 74 68 20 61 20 6e 65 | 77 20 49 2f 4f 20 63 61 |ith a ne|w I/O ca|
|000006a0| 72 64 20 62 79 20 77 72 | 69 74 69 6e 67 20 61 20 |rd by wr|iting a |
|000006b0| 74 69 67 68 74 20 6c 6f | 6f 70 20 74 68 61 74 20 |tight lo|op that |
|000006c0| 72 65 61 64 73 20 56 49 | 41 31 20 61 6e 64 20 76 |reads VI|A1 and v|
|000006d0| 65 72 69 66 69 65 73 20 | 63 6f 72 72 65 63 74 20 |erifies |correct |
|000006e0| 64 61 74 61 20 6f 76 65 | 72 20 61 20 73 65 76 65 |data ove|r a seve|
|000006f0| 72 61 6c 20 73 65 63 6f | 6e 64 20 70 65 72 69 6f |ral seco|nd perio|
|00000700| 64 2e 20 20 54 68 69 73 | 20 77 6f 75 6c 64 20 65 |d.  This| would e|
|00000710| 6e 73 75 72 65 20 74 68 | 61 74 20 74 68 65 20 64 |nsure th|at the d|
|00000720| 61 74 61 20 62 75 73 20 | 69 73 20 6e 6f 74 20 62 |ata bus |is not b|
|00000730| 65 69 6e 67 20 64 69 73 | 63 68 61 72 67 65 64 20 |eing dis|charged |
|00000740| 62 79 20 74 68 65 20 65 | 78 70 61 6e 73 69 6f 6e |by the e|xpansion|
|00000750| 20 63 61 72 64 2e 0d 13 | 4e 00 00 00 00 03 48 02 | card...|N.....H.|
|00000760| 52 00 11 02 ff 0c 00 ff | ff ff ff 00 00 00 00 00 |R.......|........|
|00000770| 00 00 00 02 52 00 00 03 | 48 00 00 00 00 00 00 00 |....R...|H.......|
|00000780| a1 00 64 00 0c 57 4f 52 | 44 00 00 00 00 00 53 01 |..d..WOR|D.....S.|
|00000790| ca 00 a0 00 8c 00 a1 00 | 64 00 0c 57 4f 52 44 00 |........|d..WORD.|
|000007a0| 00 00 00 00 52 01 c9 00 | a0 00 82 00 1e 00 01 00 |....R...|........|
|000007b0| 0a 00 2f 00 5a 00 81 02 | 23 00 07 00 00 00 00 00 |../.Z...|#.......|
|000007c0| 08 00 0a 00 09 30 49 88 | 3a b5 9c f0 39 00 22 00 |.....0I.|:...9.".|
|000007d0| 7b 02 1a 00 00 00 09 ff | ff ff ff ff ff ff ff 00 |{.......|........|
|000007e0| 23 00 00 00 a0 00 c4 00 | a1 00 64 00 0a 4f 4e 4c |#.......|..d..ONL|
|000007f0| 4e 00 66 00 00 01 fe 00 | a0 00 8c 00 a1 00 64 00 |N.f.....|......d.|
|00000800| 31 64 72 77 32 00 02 01 | c9 00 2d 01 e1 01 5f 00 |1drw2...|..-..._.|
|00000810| 00 80 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000820| 00 00 00 ff ff ff ff ff | ff 00 01 00 00 01 8f 00 |........|........|
|00000830| 00 00 00 00 a1 00 96 00 | 0c 01 00 00 00 02 78 00 |........|......x.|
|00000840| 00 00 00 00 00 00 a1 00 | 64 00 10 64 72 77 32 00 |........|d..drw2.|
|00000850| 3a 00 05 00 00 00 00 00 | 01 00 00 00 a1 00 64 00 |:.......|......d.|
|00000860| 0e 64 72 77 32 00 3a 00 | 02 00 24 00 00 00 00 00 |.drw2.:.|..$.....|
|00000870| a1 00 64 00 34 64 72 77 | 32 00 3a 00 01 00 03 01 |..d.4drw|2.:.....|
|00000880| 00 00 18 00 00 00 00 00 | 00 00 00 00 00 00 01 00 |........|........|
|00000890| 01 00 01 00 01 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000008a0| 00 00 00 00 00 00 00 00 | 00 00 a1 00 9a 00 08 ff |........|........|
|000008b0| fa 00 00 00 97 40 00 00 | a0 00 98 00 2c 00 08 00 |.....@..|....,...|
|000008c0| 14 05 54 69 6d 65 73 00 | 03 00 14 00 04 01 00 00 |..Times.|........|
|000008d0| 0d 00 18 00 2e 00 04 00 | 00 01 00 00 10 5e 0b 74 |........|.....^.t|
|000008e0| 4b 5e 0b 74 4b 00 2b 5d | 42 13 4e 65 77 20 54 65 |K^.tK.+]|B.New Te|
|000008f0| 63 68 6e 69 63 61 6c 20 | 4e 6f 74 65 73 00 a0 00 |chnical |Notes...|
|00000900| 99 00 a1 00 64 00 08 64 | 72 77 32 00 3a 00 04 00 |....d..d|rw2.:...|
|00000910| a1 14 e3 00 02 00 01 00 | a0 00 97 00 a1 00 64 00 |........|......d.|
|00000920| 31 64 72 77 32 00 02 02 | 06 01 65 02 19 01 f4 00 |1drw2...|..e.....|
|00000930| 00 80 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000940| 00 00 00 ff ff ff ff ff | ff 00 01 00 00 01 50 00 |........|......P.|
|00000950| 00 00 00 00 a1 00 96 00 | 0c 01 00 00 00 02 78 00 |........|......x.|
|00000960| 00 00 00 00 00 00 a1 00 | 64 00 10 64 72 77 32 00 |........|d..drw2.|
|00000970| 3a 00 05 00 00 00 00 00 | 01 00 00 00 a1 00 64 00 |:.......|......d.|
|00000980| 0e 64 72 77 32 00 3a 00 | 02 00 24 00 00 00 00 00 |.drw2.:.|..$.....|
|00000990| a1 00 64 00 34 64 72 77 | 32 00 3a 00 01 00 03 00 |..d.4drw|2.:.....|
|000009a0| 00 00 12 00 00 00 00 00 | 00 00 00 00 00 00 01 00 |........|........|
|000009b0| 01 00 01 00 01 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009c0| 00 00 00 00 00 00 00 00 | 00 00 a1 00 9a 00 08 ff |........|........|
|000009d0| fb 80 00 00 45 c0 00 00 | a0 00 98 00 04 00 00 00 |....E...|........|
|000009e0| 0d 00 12 00 15 16 80 00 | 28 00 7b 01 95 11 44 65 |........|(.{...De|
|000009f0| 76 65 6c 6f 70 65 72 20 | 53 75 70 70 6f 72 74 00 |veloper |Support.|
|00000a00| a0 00 99 00 a1 00 64 00 | 08 64 72 77 32 00 3a 00 |......d.|.drw2.:.|
|00000a10| 04 00 a1 14 e3 00 02 00 | 01 00 a0 00 97 00 a1 00 |........|........|
|00000a20| 64 00 60 64 72 77 32 00 | 03 02 00 00 2d 02 00 01 |d.`drw2.|....-...|
|00000a30| ef 00 00 00 00 00 00 00 | 00 02 02 00 00 00 00 00 |........|........|
|00000a40| 00 00 00 00 00 ff ff ff | ff ff ff 00 01 00 01 08 |........|........|
|00000a50| 4b 00 00 00 00 02 00 01 | ef 02 00 00 2d 00 00 00 |K.......|....-...|
|00000a60| 00 00 00 00 00 00 01 00 | 14 00 0c 00 03 00 02 00 |........|........|
|00000a70| 00 00 5a 00 01 00 00 00 | 02 00 00 00 03 00 0c 00 |..Z.....|........|
|00000a80| 00 00 00 00 07 00 02 00 | 02 00 08 00 08 00 20 00 |........|...... .|
|00000a90| 66 02 1c 00 66 00 5a 00 | a1 00 64 00 31 64 72 77 |f...f.Z.|..d.1drw|
|00000aa0| 32 00 02 01 ca 01 c0 01 | fa 01 e9 00 00 00 00 00 |2.......|........|
|00000ab0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 ff |........|........|
|00000ac0| ff ff ff ff ff 00 01 00 | 00 01 4b 00 00 00 00 00 |........|..K.....|
|00000ad0| a1 00 96 00 0c 01 00 00 | 00 02 78 00 00 00 00 00 |........|..x.....|
|00000ae0| 00 00 a1 00 64 00 10 64 | 72 77 32 00 3a 00 05 00 |....d..d|rw2.:...|
|00000af0| 00 00 00 00 01 00 00 00 | a1 00 64 00 0e 64 72 77 |........|..d..drw|
|00000b00| 32 00 3a 00 02 00 24 00 | 00 00 00 00 a1 00 64 00 |2.:...$.|......d.|
|00000b10| 34 64 72 77 32 00 3a 00 | 01 00 03 00 00 00 30 00 |4drw2.:.|......0.|
|00000b20| 00 00 00 00 00 00 00 00 | 00 00 01 00 01 00 01 00 |........|........|
|00000b30| 01 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000b40| 00 00 00 00 00 00 a1 00 | 9a 00 08 ff f4 00 00 00 |........|........|
|00000b50| 13 80 00 00 a0 00 98 00 | 0d 00 30 00 28 00 55 01 |........|..0.(.U.|
|00000b60| ef 01 f0 00 a0 00 99 00 | a1 00 64 00 08 64 72 77 |........|..d..drw|
|00000b70| 32 00 3a 00 04 00 a1 14 | e3 00 02 00 01 00 a0 00 |2.:.....|........|
|00000b80| 97 00 a1 00 64 00 31 64 | 72 77 32 00 02 01 ef 01 |....d.1d|rw2.....|
|00000b90| e6 01 fa 01 f0 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000ba0| 00 00 00 00 00 00 00 00 | 00 ff ff ff ff ff ff 00 |........|........|
|00000bb0| 01 00 00 01 00 00 00 00 | 00 00 a1 00 96 00 0c 01 |........|........|
|00000bc0| 00 00 00 02 78 00 00 00 | 00 00 00 00 a1 00 64 00 |....x...|......d.|
|00000bd0| 10 64 72 77 32 00 3a 00 | 05 00 00 00 00 00 01 00 |.drw2.:.|........|
|00000be0| 00 00 a1 00 64 00 0e 64 | 72 77 32 00 3a 00 02 00 |....d..d|rw2.:...|
|00000bf0| 24 00 00 00 00 00 a1 00 | 64 00 34 64 72 77 32 00 |$.......|d.4drw2.|
|00000c00| 3a 00 01 00 03 00 00 00 | 09 00 00 00 00 00 00 00 |:.......|........|
|00000c10| 00 00 00 00 01 00 01 00 | 01 00 01 00 00 00 00 00 |........|........|
|00000c20| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000c30| a1 00 9a 00 08 ff fd 80 | 00 00 04 00 00 00 a0 00 |........|........|
|00000c40| 98 00 0d 00 09 00 15 6c | 00 00 2b 26 09 01 a8 00 |.......l|..+&....|
|00000c50| a0 00 99 00 a1 00 64 00 | 08 64 72 77 32 00 3a 00 |......d.|.drw2.:.|
|00000c60| 04 00 a1 14 e3 00 02 00 | 01 00 a0 00 97 00 a1 00 |........|........|
|00000c70| 64 00 31 64 72 77 32 00 | 02 01 e5 00 2d 01 f8 00 |d.1drw2.|....-...|
|00000c80| 79 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |y.......|........|
|00000c90| 00 00 00 00 00 ff ff ff | ff ff ff 00 01 00 01 01 |........|........|
|00000ca0| 00 00 00 01 00 00 a1 00 | 96 00 0c 01 00 00 00 02 |........|........|
|00000cb0| 78 00 00 00 00 00 00 00 | a1 00 64 00 10 64 72 77 |x.......|..d..drw|
|00000cc0| 32 00 3a 00 05 00 00 00 | 00 00 01 00 00 00 a1 00 |2.:.....|........|
|00000cd0| 64 00 0e 64 72 77 32 00 | 3a 00 02 00 24 00 00 00 |d..drw2.|:...$...|
|00000ce0| 00 00 a1 00 64 00 34 64 | 72 77 32 00 3a 00 01 00 |....d.4d|rw2.:...|
|00000cf0| 03 00 00 00 12 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000d00| 01 00 01 00 01 00 01 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000d10| 00 00 00 00 00 00 00 00 | 00 00 00 00 a1 00 9a 00 |........|........|
|00000d20| 08 ff fb 80 00 00 25 00 | 00 00 a0 00 98 00 0d 00 |......%.|........|
|00000d30| 12 00 15 42 80 00 28 00 | 5a 00 5c 09 4d 61 63 69 |...B..(.|Z.\.Maci|
|00000d40| 6e 74 6f 73 68 00 a0 00 | 99 00 a1 00 64 00 08 64 |ntosh...|....d..d|
|00000d50| 72 77 32 00 3a 00 04 00 | a1 14 e3 00 02 00 01 00 |rw2.:...|........|
|00000d60| a0 00 97 00 a0 00 8d 00 | a1 00 64 00 06 64 72 77 |........|..d..drw|
|00000d70| 32 00 44 00 a0 00 83 00 | a1 00 64 00 04 57 4f 52 |2.D.....|..d..WOR|
|00000d80| 44 00 a0 00 8d 00 01 00 | 0a 00 00 00 00 03 48 02 |D.......|......H.|
|00000d90| 52 00 04 01 00 00 2e 00 | 04 00 00 00 00 00 10 00 |R.......|........|
|00000da0| 01 00 01 00 01 00 01 00 | a1 00 64 00 10 4f 4e 4c |........|..d..ONL|
|00000db0| 4e 00 64 00 00 00 8e 00 | 5a 00 a1 01 96 00 28 00 |N.d.....|Z.....(.|
|00000dc0| 9c 00 5a 1f 48 57 20 37 | 20 2d 20 43 4d 4f 53 20 |..Z.HW 7| - CMOS |
|00000dd0| 4f 6e 20 4d 61 63 69 6e | 74 6f 73 68 20 4c 43 20 |On Macin|tosh LC |
|00000de0| 50 44 53 00 0d 00 0e 00 | a1 00 64 00 10 4f 4e 4c |PDS.....|..d..ONL|
|00000df0| 4e 00 64 00 20 00 a0 00 | 5a 00 af 00 9a 00 2a 10 |N.d. ...|Z.....*.|
|00000e00| 08 48 61 72 64 77 61 72 | 65 00 04 00 00 00 0d 00 |.Hardwar|e.......|
|00000e10| 0c 00 a1 00 64 00 10 4f | 4e 4c 4e 00 64 00 2a 00 |....d..O|NLN.d.*.|
|00000e20| bb 00 5a 00 c7 00 8f 00 | 2a 18 0b 57 72 69 74 74 |..Z.....|*..Writt|
|00000e30| 65 6e 20 62 79 3a 00 00 | a1 00 64 00 10 4f 4e 4c |en by:..|..d..ONL|
|00000e40| 4e 00 64 00 36 00 bb 00 | a2 00 c7 01 21 00 29 48 |N.d.6...|....!.)H|
|00000e50| 19 50 61 75 6c 20 42 61 | 6b 65 72 20 26 20 52 69 |.Paul Ba|ker & Ri|
|00000e60| 63 68 20 43 6f 6c 6c 79 | 65 72 00 00 a1 00 64 00 |ch Colly|er....d.|
|00000e70| 10 4f 4e 4c 4e 00 64 00 | 50 00 bb 01 d6 00 c7 02 |.ONLN.d.|P.......|
|00000e80| 1c 00 28 00 c4 01 d6 0d | 46 65 62 72 75 61 72 79 |..(.....|February|
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|00001c60| 66 0d 2f 6d 69 6e 31 7b | 64 75 70 20 30 20 65 71 |f./min1{|dup 0 eq|
|00001c70| 7b 70 6f 70 20 31 7d 69 | 66 7d 62 64 66 0d 65 6e |{pop 1}i|f}bdf.en|
|00001c80| 64 0d 63 75 72 72 65 6e | 74 64 69 63 74 20 2f 62 |d.curren|tdict /b|
|00001c90| 6e 20 6b 6e 6f 77 6e 20 | 7b 62 6e 7d 69 66 0d 00 |n known |{bn}if..|
|00001ca0| a0 00 bf 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001cb0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001cc0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001cd0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001ce0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001cf0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001d00| 00 00 01 00 00 00 03 9e | 00 00 02 9e 00 00 01 36 |........|.......6|
|00001d10| 00 08 2f 2e 00 0c 59 8f | 2f 2e 00 0c 4e ad 02 82 |../...Y.|/...N...|
|00001d20| 10 14 48 80 48 c0 d0 9f | 52 80 2f 00 4e ad 21 ba |..H.H...|R./.N.!.|
|00001d30| 13 48 57 30 37 20 43 4d | 4f 53 20 4f 6e 20 4c 43 |.HW07 CM|OS On LC|
|00001d40| 20 50 44 53 02 00 00 00 | 4f 4e 4c 4e 48 4c 58 32 | PDS....|ONLNHLX2|
|00001d50| 00 00 4f 4e 4c 4e 48 4c | 58 32 01 00 00 78 00 00 |..ONLNHL|X2...x..|
|00001d60| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001d70| 00 00 aa b6 f3 30 00 00 | 1c 23 00 00 04 d4 4e 56 |.....0..|.#....NV|
|00001d80| ff f4 48 e7 07 18 3e 2e | 00 08 28 6e 00 0a 20 4c |..H...>.|..(n.. L|
|00001d90| a0 29 20 54 3a 10 59 8f | 2f 0c 3f 07 4e ba fe c4 |.) T:.Y.|/.?.N...|
|00001da0| 26 5f 10 13 48 80 3c 00 | 52 46 48 c7 48 c5 20 05 |&_..H.<.|RFH.H. .|
|00001db0| 53 80 b0 87 67 3e 59 8f | 2f 0c 30 07 52 40 3f 00 |S...g>Y.|/.0.R@?.|
|00001dc0| 4e ba fe a0 20 5f 2d 48 | ff fc 22 4b 2d 48 ff f8 |N... _-H|.."K-H..|
|00001dd0| 2d 49 ff f4 2f 00 59 8f | 2f 0c 4e ad 02 82 22 1f |-I../.Y.|/.N...".|
|00001de0| 20 1f d2 94 92 ae ff fc | 20 01 20 6e ff f8 22 6e | .......| . n.."n|
|00001df0| ff f4 a0 2e 20 54 53 50 | 20 4c a0 2a 2f 0c 59 8f |.... TSP| L.*/.Y.|
|00001e00| 00 00 00 10 00 00 06 d7 | 00 00 13 4e 00 00 00 00 |........|...N....|
|00001e10| 00 00 06 d5 00 00 00 52 | 00 00 00 8f 7b cc c0 00 |.......R|....{...|
|00001e20| 00 8f 7b f8 00 00 80 00 | 00 00 00 00 00 bc 01 58 |..{.....|.......X|
|00001e30| 00 8f 7b dc 00 8f 7b c0 | 00 8f 7b ec 00 00 00 00 |..{...{.|..{.....|
|00001e40| 00 00 ff ff ff ff ff ff | 00 7a 00 5e 00 01 00 01 |........|.z.^....|
|00001e50| 00 08 00 8f 7c 08 00 8f | 00 00 00 00 00 00 06 d7 |....|...|........|
|00001e60| 00 00 06 d7 00 00 15 4c | 00 01 00 00 00 1a 00 05 |.......L|........|
|00001e70| 00 01 00 01 00 00 00 00 | 03 48 02 52 00 00 06 d7 |........|.H.R....|
|00001e80| 00 00 15 4c 00 00 01 6a | 00 00 00 18 00 01 00 00 |...L...j|........|
|00001e90| 00 00 00 00 00 02 00 01 | 00 00 01 55 00 02 00 02 |........|...U....|
|00001ea0| 00 00 04 58 00 00 00 30 | 00 03 1f 48 57 20 37 20 |...X...0|...HW 7 |
|00001eb0| 2d 20 43 4d 4f 53 20 4f | 6e 20 4d 61 63 69 6e 74 |- CMOS O|n Macint|
|00001ec0| 6f 73 68 20 4c 43 20 50 | 44 53 04 57 68 79 3f 08 |osh LC P|DS.Why?.|
|00001ed0| 53 6f 6c 75 74 69 6f 6e | 00 00 00 d8 00 01 00 00 |Solution|........|
|00001ee0| 00 00 ff ff 00 02 00 00 | 00 01 ff ff 00 03 00 00 |........|........|
|00001ef0| 00 02 ff ff 00 04 00 00 | 00 03 ff ff 00 05 00 00 |........|........|
|00001f00| 00 04 ff ff 00 06 00 00 | 00 05 ff ff 00 07 00 00 |........|........|
|00001f10| 00 06 ff ff 00 08 00 00 | 00 07 ff ff 00 09 00 00 |........|........|
|00001f20| 00 08 ff ff 00 0a 00 00 | 00 09 ff ff 00 0b 00 00 |........|........|
|00001f30| 00 0a ff ff 00 0c 00 00 | 00 0b ff ff 00 0d 00 00 |........|........|
|00001f40| 00 0c ff ff 00 0e 00 00 | 00 0d ff ff 00 0f 00 00 |........|........|
|00001f50| 00 0e ff ff 00 10 00 00 | 00 0f ff ff 00 11 00 00 |........|........|
|00001f60| 00 10 ff ff 00 12 00 00 | 00 11 ff ff 00 13 00 00 |........|........|
|00001f70| 00 12 ff ff 00 14 00 00 | 00 13 ff ff 00 15 00 00 |........|........|
|00001f80| 00 14 ff ff 00 16 00 00 | 00 15 ff ff 00 17 00 00 |........|........|
|00001f90| 00 16 ff ff 00 18 00 00 | 00 17 ff ff 00 19 00 00 |........|........|
|00001fa0| 00 18 ff ff 00 1a 00 00 | 00 19 ff ff ff ff 00 00 |........|........|
|00001fb0| 00 1a ff ff 00 00 00 3e | 00 1b 07 53 79 6d 62 6f |.......>|...Symbo|
|00001fc0| 6c 73 01 41 01 42 01 43 | 01 44 01 45 01 46 01 47 |ls.A.B.C|.D.E.F.G|
|00001fd0| 01 48 01 49 01 4a 01 4b | 01 4c 01 4d 01 4e 01 4f |.H.I.J.K|.L.M.N.O|
|00001fe0| 01 50 01 51 01 52 01 53 | 01 54 01 55 01 56 01 57 |.P.Q.R.S|.T.U.V.W|
|00001ff0| 01 58 01 59 01 5a 00 00 | 00 00 00 00 00 28 00 00 |.X.Y.Z..|.....(..|
|00002000| 00 00 00 00 00 20 00 00 | 00 2a 00 00 00 5e 00 00 |..... ..|.*...^..|
|00002010| 00 dc 00 00 01 55 00 00 | 01 5a 00 00 03 2f 00 00 |.....U..|.Z.../..|
|00002020| 04 58 00 00 04 61 00 00 | 00 08 00 00 00 01 00 01 |.X...a..|........|
|00002030| 00 01 00 00 00 38 00 00 | 00 14 00 14 00 09 00 00 |.....8..|........|
|00002040| 00 14 00 14 00 0a 00 00 | 00 14 00 14 00 0c 00 00 |........|........|
|00002050| 00 14 00 14 00 0e 00 00 | 00 14 00 14 00 12 00 00 |........|........|
|00002060| 00 14 00 14 00 18 00 00 | 00 14 00 14 00 30 00 00 |........|.....0..|
|00002070| 00 08 00 01 05 54 69 6d | 65 73 00 00 00 04 00 00 |.....Tim|es......|
|00002080| ff ff 00 00 00 18 00 00 | 00 32 00 00 00 0a 00 00 |........|.2......|
|00002090| 03 34 00 00 02 75 00 01 | 00 01 00 03 00 70 00 00 |.4...u..|.....p..|
|000020a0| 01 00 00 00 03 9e 00 00 | 02 9e 00 00 01 36 00 5a |........|.....6.Z|
|000020b0| da 48 0c 20 00 00 00 1c | 01 36 00 0d 70 61 67 65 |.H. ....|.6..page|
|000020c0| 00 00 00 72 63 68 70 74 | 00 00 00 7e 62 6f 6f 6b |...rchpt|...~book|
|000020d0| 00 00 00 8a 54 4f 43 20 | 00 00 00 96 54 4f 43 23 |....TOC |....TOC#|
|000020e0| 00 00 00 a2 49 44 58 20 | 00 00 00 ae 49 44 58 23 |....IDX |....IDX#|
|000020f0| 00 00 00 ba 49 44 58 50 | 00 00 00 c6 50 41 52 41 |....IDXP|....PARA|
|00002100| 00 00 00 d2 46 4f 4c 4f | 00 00 00 de 44 43 46 4e |....FOLO|....DCFN|
|00002110| 00 00 00 ea 44 43 46 23 | 00 00 00 f6 46 4f 4c 53 |....DCF#|....FOLS|
|00002120| 00 00 01 02 53 54 49 46 | 00 00 01 0e 03 e8 ff ff |....STIF|........|
|00002130| 00 00 00 00 00 00 00 00 | 03 e8 ff ff 00 00 00 14 |........|........|
|00002140| 00 00 00 00 03 e8 ff ff | 00 00 00 6a 00 5b 6c 4c |........|...j.[lL|
|00002150| 03 e8 ff ff 00 00 00 88 | 00 00 00 00 03 e8 ff ff |........|........|
|00002160| 00 00 00 a4 00 00 00 00 | 03 e8 ff ff 00 00 00 d8 |........|........|
|00002170| 00 00 00 00 03 e8 ff ff | 00 00 01 b4 00 00 00 00 |........|........|
|00002180| 03 e8 ff ff 00 00 01 f6 | 00 00 00 00 03 e8 ff ff |........|........|
|00002190| 00 00 01 fa 00 00 00 00 | 03 e8 ff ff 00 00 02 26 |........|.......&|
|000021a0| 00 00 00 00 03 e8 ff ff | 00 00 02 32 00 00 00 00 |........|...2....|
|000021b0| 03 e8 ff ff 00 00 02 6e | 00 00 00 00 03 e8 ff ff |.......n|........|
|000021c0| 00 00 02 7a 00 00 00 00 | 03 e8 ff ff 00 00 02 82 |...z....|........|
|000021d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000021e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000021f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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