Low Level Projects from Boots to Device Drivers: Secrets of MS-DOS
$3.00 December-January 1987 Low Level Projects From Boots To Device Drivers: Secrets Of MS-DOS . ...... 6 A clean, in-depth look at making MS-DOS work for you. Debugging A Disk .................................... 12 This companion to "Secrets of MS-DOS" uses DEBUG to poke around in MS-DOS. Professionalize Your Programs Using Turbo Pascal's Built-in System Procedures . ............. 16 Turbo Pascal gives you assembly language style access to MS-DOS interrupts. Controlling The Real World With Your PC: Intro To Electronics Step 2 ............................. 22 This is the second part of Bruce's fine series. A great hardware primer. PD-32: Messages From The Board . ..................... 28 The Public Domain 32000 system is hot. The latest developments. Selecting Subsets From Sets: N The Formula For Combinations In Prolog . .............. 34 ,., Real-life solutions to. real-life problems. 00 00 r<"I Introduction To Fractals-. .............................. 36 0-.- 0 If you haven't watched a fractal eat its way across I'- ~ your screen, you've missed something. ~ I'- 0 - '/r -. " "~ ,~ Borland's Turbo Lightning FREE , '~ ,: -:' .', .,\;;; : ....,. - ---;:::.:;::::' :-, ~ '<.":~.; ;:~. ::: .' .... ;<; .; ... :~: ~:::. ,-, ;~ Extra~wide,easy~to '......... ,CiiPSr;N¥~'agd . •... ~., ~e~~r~te·t' find Rf!tum key..... ' .. ' ..• . Scroll.Lock '. ,dedicated . IBM changed Sizes' . indicator lights;. NiiineiiCPad again by shrinking their ..... .. IBM has no lights with enlargeq /' Return key. --....----..; . orfthelr xr. '. £nre; key,foilr •Arithmetic -....;.....;..-.- Function keys . Switch selectable . compatibility ... with IBM, PC; XT, AT,' PCjr, AT&T and all .' compatibles. IBM's new Enhanced Keyboard runs only on their newXTs,ATs and ignores their installed base which . probably in c/iJdes you . .......---..:..... Switch allows you ---- . to swap position of Ctrl and Caps lock.
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