Welcome to the new
         APPLEBOX Indexpage
         remark: Topics with marking of project contain circuitplans and/or PCB layouts and/or Software
                           titels in black upcomming soon
                           titels in blue availiable now
                           some of the projects contain more than 50 subpages and have been converted to
                           downloadable PDF files....... some projects in German language will be translated to
                           english language soon too.....
 
 
 



 




















 

 

 

 

 

 

 

 

 

 

 

 

 


 

 

 

 

 



 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IIGS

 

 

 

 

 

 

 

 

 

 

 
General
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&
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Off Topic:
The ZX81

  
 Content                        

Page
 Welcome to the APPLEBOX     001
 INDEX page ( this page )     002
 My Apple´s - my "Apple Corner"     003
Former old downloadpage   004
The entire Apple1 Section ( with own Indexpage )
including the Newton1, Newton NTI and MIMEO replications		     010
Enhancing the Apple 1 Logo       011
         
         
Cheap Multimeter module for Transistors, Diodes, resistors, capacitors, Inductors and Coils incl. ESR      
         
 APPLE II Section      
 Intropage for entering programs and use of Key Perfect      
 APPLEBOX Downloadpage   100
 3 Different ways to Upgade an Apple II or Apple ][+ or Apple ][ europlus
 to 192  or 204 kByte RAM ( by change from 4116 RAM to 4164 RAM ) project		   101
 Homebrew replacement for Switchboard at the Videx compatible Videoterm copycat cards      
         
 Details of ProDOS Golbalpage uncovered     102
 Common Error Codes      
 AUGE Clock (Uhr) and patches project     103
 NoSlotClock alike Clockcircuit and Software project     104
 Circuitdetails for RAM Refresh and Mods for changing / upgrading from 4116 to 4164
 or from 4164 to 41256 chips project		     105
 The Supertape project     106
 Apple Tape Monitor      
 Basic Pages on Keyswitches and Keyboards   107
 Basic Pages about Power Supplies     107a
 Keyclick in CPM      
 Apple II Disk Doctor Program source     108
 The Basic DISK II Pages Speedadjustment, Trackalignment, Cleaning and Service project   109
 Aufbau des Apple DISK II      
 Disk II Testprogramm      
 ProDOS and DOS33 Double Boot      
 IBS AP14  Diskdrive Controller     110
 Init 40 Tracks at DOS 3.3      
 Formatter - universelles Formattierprogramm mit Sourcelisting      
 Ehring FDC4 Diskdrive Controller and  IBS AP53     111
 Anpassung an 160 Tracks unter ProDOS für den Ehring FDC4 Controller      
 Apple II AFDC2 erphi Diskdrive Controller     112
 Anpassung des Super Quick Kopierprogrammes an 160 Tracks für Erphi AFDC2      
 Apple II 80 Track Patches for different Diskdrive Controllers - patching souces     113
 weitere ProDOS Patches      
 Lightning Copy      
 Apple II Diskadaptor for 8" and 5,25" Diskdrives project     114
 Disk Interface für 8 Zoll Drives im Apple II      
 Adapting OMTI PC Harddisk Controller and ST506 Harddisks to the Apple II project     115
 HiRes Grafik als Minibild mit Epson FX Drucker ausdrucken      
 Nibbeling at the Gameport      
 Apple II Gameport experimentals project   116
 Apple II Gameport used for EPROM Programmer project     117
 Apple II misst Kapazitäten am Gameport      
 Apple II misst Spannungen am Gameport      
 Apple II misst Analog Werte am Gameport      
 Apple II als Logikanalyzer      
 AD Wandler im Apple II      
 Peeker Eprom Programmer mit Software ( source )      
 Apple II Interface Programmierung      
 Interfacing Apple II - Prototyping board and Interface related to the book      
 Apple II Gameport as Digital Voltmeter project     118
  Nibble Light Pen      
  6 Colors by Hardware Mod      
 Apple II Interfacing with 2x 6522 VIA Chips     119
 Apple II Universal Interface      
 Apple II einfaches serielles Interface      
 Table of correct chipsets in different Apple II series of computers   120
 Simple ProDOS Startup Pprogram      
 McT Speed Demon Card - Testbericht      
 Titan Apple IIe Accelerator Card      
 Apple II 68008 Co Processorcard project     121
 Apple II 68008 Karte bootet CPM 2.2      
 Apple II 68008 Karte unter Turbo Pascal      
 Intro in ORCA M - Macro Assembler      
 Kurztest Aztec C      
         
 Beseitigung von Fehlfunktionen bei Z80 CPM clone Karten      
 details of the Z80 and 6502 cooperation in the Apple II     122
 Tuning Up the Z80 Card to operate CPM 2,2 at 7 Mhz in the IIe project     123
 CPM 2.2 Bug removal     124
 Fehler bei CPM 2.2 beseitigen - CPM bootet mit Maus am Apple II      
 CPM 2.2 Diskhelper Disk recue - program source     125
 CPM 2.2 and the Disk Parameter Section uncovered     126
 CPM 2.2 adding / accessing date and time - patch source     127
 Wechsel CPM 2.2  Z80 <=> Apple II 6502 und zurück ohne booten      
 Deprotection mit NMI Signal ( Aushebeln des Kopierschutzes )      
 Korrektur von Trace Befehl in Basic.System      
 CHAIN mistake in Prodos        
 Der Change Macro Befehl für Applesoft Editor      
 Apple Ref-Test zum prüfen von Labels in Applesoftprogrammen      
 Ampersand Basic Utilities      
 Ampersand Utility der Instring Befehl für Applesoft      
 Amper Fre Splitter      
 Amper Go      
 Power Key - adding Macros to your Keyboard      
 The Disencourager - Access Control      
 For Next Problem in Applesoft      
  Page -fast access and mov of AUX Mem from and to Disk      
 More Subroutines      
 Lift Off      
 Adding Search and Replace to Applesoft      
 Fast GOTO Processor      
 Getting Started with Subroutines      
 SubRoutine Master      
 SubRoutine Store      
 Introduction to Macros      
 Immediate Macro      
 Errors Without Messages      
 Go with the Flow      
 Navigator - display your program as Flowchart      
         
 Fun with the Monitor      
 Intro to programming the Mouse at the Apple II      
         
 Hires Crunch Decrunch      
 Ampersand and Double HiRes Routines      
 Apple Double Hires Basics      
 Double Hires Ampersand      
 Double Hires  Programs Package      
 Shape Development Tools      
 Sprite Editor      
 Shifting Shapes with the OR-Trick        
 Wraparound Hires Screens      
 Apple Artist      
 Graphics Workshop Part 1 Hplot      
 Graphics Workshop Part 2 Blockshape      
 Graphics Workshop Part 3 Blockshape Animation      
 Graphics Workshop Part 4 Blockshape Animator      
 Graphics Workshop Part 5 Blockshape      
 Graphics Workshop Part 6 Blockshape      
 Graphics Workshop Part 7 Squirm Attack Game      
 Graphics Workshop Part 8 Stormwarning HiRes Game      
   + Oiler Extender      
 Graphics Workshop Part 9 Double Hires Graphics I      
 Graphics Workshop Part 10 Double HiRes Graphics II      
 Graphics Workshop Part 11 Double HiRes Graphics III      
 Graphics Workshop Part  12 Double HiRes Graphics IV      
 Graphics Workshop Part 13 Double HiRes Graphics V      
 Graphics Workshop Part 14 Double HiRes Graphics VI      
 Graphics Workshop Part 15 Game Shape Animation IX      
 Graphics Workshop Part 16 Game Shape Animation X      
 Double Hires For Apple II 2      
 New Letter Scroll      
  Graphic Toolbox      
 3D Hidden Line Remove      
 Applesoft Windows      
 Window Magic      
 HiRes Character Drawing      
 Hires Character Drawing at the Toolbox      
 HiRes Special Effects      
  Shades and Textures      
 HiRes Houdini      
 Nibble Architect      
 Nibble Designer      
 Nibble Illustrator      
 Hires Cursor Mover      
 HiRes Fill Reverse      
 HiRes Packing      
 HiRes Shape Splitter      
 Lower Case Letters with HGR      
 Silentype HiRes Printing      
 The Shape      
 Collision Counter      
  HGR vs. HGR2      
 Apple II Grafik unter CPM 2.2 in Turbo Pascal      
 Fast Grafik unter Turbo Pascal      
 Kleinschrift am Apple II unter UCSD Pascal      
 Conversion of UCSD Pascal sources to CPM 2.2 Turbo Pascal sources - program source     128
 Hardcopy of HGR pictures in UCSD Pascal to printer - program source     129
 Korrekte ImageWriter Kommandos ( Manual korregiert )      
 Fast Byte Suche im Monitor      
 HexMon Editor      
         
         
 Fast Load in DOS      
 Catalog von Disk in String laden      
 Fenster am Apple II programmieren      
 AUX MEM in the Apple IIe      
 Double Hires im Apple IIe      
 Tuning Graphics at the Apple II - program sources     130
 Adding "Insert"ion to Applesoftprograms - program source     131
 Adding Hires Commands to Applesoft and Dumping Hires Pictures on printer     131b
 Adding Text in HGR pages - program source     132
         
         
 Wechsel von Applesoft zu Apple Monitor und zurück ohne Probleme      
 VarNam for Applesoft - program source     133
 Fairy IC Test Card for the Apple II     133a
 The Apple II Slotexpansion project     134
 The Mystery of the Mountain Computer Expansion Box uncovered project     135
 Library of common "Copy Cards" for the Apple II project     136
 Library of the Interfacecards from IBS including circuitplans project     146
 Slot Finder      
 Finding Slot Number      
 Upgrading Apple II Powersupplies     147
 Various Circuits for adaption of FBAS Video Output to RGB or other monitors and SYNC splitters project     148
 MIDI various circuits project     149
 Software Automated Mouth bringt den Apple zum Sprechen      
 Sounder - Key Compare      
 Apple Talker      
 Nibble Duet      
 Maestro      
 Sound Synthesizer      
 Software Volume Control      
         
 Speech Synthisizer for Apple II with SC01 project     150
 Apple II as Synthisizer with 2 Interface cards and entire project EN - ct Klangcomputer DE     151
 the alpha syntauri pages  ( under constuction )     152
 Pictures of Applied Engineering PC-Transporter and Addons     160
 Homebrew replacement Floppydiskadaptor for MS-DOS drives on the AE PC Transporter card project   161
 The JonasCard - a alternate design of a Mockingboard like Soundcard for Apple II´s support also the IIGS Sound     161a
 The Apple II and IIGS Sound and Speech Card with MIDI or Synthisizer Interface project     162
 RAM DISK Program for Saturn 128 kB RAM - program source     163
 RAM refresh Update or change from 4116to 4164 or from 4164 to 41256     164
Attention warning about dangerous Apple II powersupply series from Taiwan     170
 Apple Cartoons        
 Replacement of Apple IIGS ROM 0 or ROM 1 with standard Eprom project     200
 The 4MB RAM Expansioncard for the IIGS project     201
 The  Transwarpcard for the IIGS     202
 Various ancient Computer connectors and expansionports     300
 Library of common IC´s and datasheets     301
 the ct86 Computer - a complete project of building a entire 8086 Computer with ECB cardsystem project     310
 the ct68000 Computer - complete project of building a entire 68000 Computer with ECB cardsystem project     350
 the ct Terminalcard project     370
 the ct EPAC systems for ECB Bus systems computer on small Cards projects     380
 modifying cassette recorder from Audio to Data capabilities        
 Universal linear Powersupply for Computers        
 PC DOS Disk Dump Editor        
 PC DOS Interrupts        
  PEPS Eprom Simulator        
 General Info about PAL Logic chips        
 PAL Programmer        
 Serial Patallel conversion unit        
         
         
Synthisizer projects for Musicians        
 the FORMANT - a legendaty DIY project of building a MOOG compatible Music Synthisizer projects (english version )   390
 the Electric Piano -  a DIY project building a electronic Piano including the build of the keyboard from elektor 1978      
 the VOCODER - a legendary DIY project for Voice Synthisizer from elektor 1977/79 and later from elrad 1981     400
 the PHASER     410
         
 Phaser Filters     415
 polyphon Organ     420
 polyphon Synthisizer     425
 the POLYSYNTH - a legendary DIY project for Synthisizer from elektor 1977/79 and later from elrad 1981     430
 the SEQUENCER        440
 the DRUMBOX - Synthisizer percusion equipment ( from elektor 1977 and elrad 1980 )     450
 the IC Drumbox     455
 the Mini Drumbox     460
 the SoundLAB     465
 the Speech Compressor     470
 Speech Synthesis for C64     475
 the Chorus Synthisizer     480
 the Choralizer     485
 the Devoicer     490
 the LFO Generator     492
 MIDI and Synthisizer devices     495
 Music Processors     500
 Synthisizer Chips     510
 Synthisizer Concepts     515
 Synthisizer Keyboard Interface     520
 VCF VCA Noisegate Card     525
 VCA Noisegate     530
         
 page with Data of ancient Harddisk Drives - Manufacturers / Models / Specs     590
 page with Data of ancient Floppydisk Drives - Manufacturers / Models / Specs     595
         
         
         
ZX81 Intropage   600
         
         
         
         

 
     
.......   ....
  copyright