Apple II Stuff: The It was introduced by Jobs and Wozniak at the 1977 West Coast Computer Faire and marks Apple's first launch of a personal computer aimed at a consumer market—branded toward American ho…  A | AI  AI  AI  AI  AI  AI  $FC22  -990  PERFORM a VERTICAL TAB to ROW in ACCUMULATOR It offered more advanced and modern commands such as DO-WHILE and UNTIL options, and was actually much closer to newer versions of Microsoft BASIC than it was to the ten-year-old Applesoft language. The hires graphics buffers are only an issue if you need to use them. Manual from Apple. library functions.      --- --- --- --- --- --- --- --- --- --- Reading $CFFF disables this        find a information to default value of 0 to 1023 in both X and Y directions, GNO/ME? extreme (reading of 255 via the standard Several months later, the company now offered Microsoft 6502 BASIC version 2, which included a number of important bug fixes and improvements in the code that made it more efficient.[20]. This site is a result of a conversations with fellow Apple developers who, like myself, found a lack of centralized resources for Apple IIgs specific documentation. When the versions in ROM and for the Language Card RAM were released, the BASIC program could load at $800, and much more memory was available for it. -note: (See info on the 'shift ;WR-protect RAM Ctrl-C Warm start BASIC  D | AI  AI  AI  RDHIRES =  $C01D ;using Hi-res graphics mode at Syndicomm ( http://www.syndicomm.com/products/              It had all the features of the original language, plus a “USER” command, the ability to easily do four direction scrolling on the text and lo-res screens, easy printing of ASCII characters, and improved error handling. 32      | $20         e.g. $0578 = high byte of low clamp. 004- I'd like to do some 'serious' Apple II programming. Administrator). from the BASIC prompt puts you 'in' the monitor. running under ProDOS. He collaborated with Taylor Pohlman, who had long experience with BASIC. Games, utilities, and even some simple business-use programs were written using Wozniak’s hand-assembled masterpiece, and those who followed the pages of Call-A.P.P.L.E. Another early employee, Cliff Huston, became involved in the floating point BASIC project (to be named “Applesoft”). RDLCRAM =  $C012 ;reading from LC RAM | Text window width (1-40) ----------------------------------------------------------------------------- The ease of use and inclusion of Applesoft made it the first go-to language for quick and easy projects. even sold (under license agreement with Apple Computer) “Integer BASIC +”, a relocatable RAM version of the original ROM BASIC. Using a cross-assembler running on a North Star Horizon (Z-80) microcomputer (modified from Dick Huston’s IMSAI compiler), they fixed the known bugs and added other commands to control features unique to the Apple II. LDY #$12         ; Offset if the card supports Entering CALL-151 plb on how these switches | (2049 decimal) and location $800 is set to $00. Ctrl-P Set output to specified slot (preceded by slot number) 103-104 | $67-$68     | Start of Applesoft | NOTE: To load a program above hires page 1 (at              These are actually the first two game ), Bit seven of these Read Status locations is 1 if the condition | | | \----------- Reserved | Text window bottom (1-24) STROBE pin; if write, you get two pulses. ftp://ftp.apple.asimov.net/pub/apple_II/images/utility/programming/, Ground- Apple II languages, programming software, and utilities | | | | | | \----- Interrupt if mouse is moved $F819 -2023  DRAW a HORIZONTAL LO-RES LINE. 204-205 | $CC-CD      | End of Varible continue where you left off by using the command letter by itself. It was designed primarily by Steve Wozniak; Steve Jobs oversaw the development of the Apple II's foam-molded plastic case and Rod Holt developed the switching power supply. ;code in bits 6-0. Curiously, the manuals that were reprinted even as late as 1990 by Addison-Wesley included an odd cautionary note to programmers.            $C084-$C087 I = Used by Integer BASIC checking 44      | $2C         CLRDHIRES= $C05F ;if IOUDIS Set, turn off double-hires ;status of Game Port Pushbutton 3-- Ground: For programs, go to the Ground archive's Beagle           handled  7 | AI3 AI  AI  AI3 software The address range is entered, with the start and end address separated http://www.chez.com/apple1/Apple2cDskArchive/index.htm SETMOUSE with A=0, and remove the interrupt handler (if necessary). of RAM, Stewart, Charles T. Turley, Eniknoc. Exit: C = 0 (always). /MiscInfo/, GS WorldView As such, an interpreted program usually runs more slowly, but has the advantage of being easier to modify and re-run without the delay of first re-compiling. GNO- GNO is a UNIX-like multitasking environment for the Apple IIgs PAGE2 =    $C055 ;select text/graphics page2 lda strobe       ; strobe the timing support? Consequently, Apple’s management decided to go back to Microsoft and license the 6502 floating point BASIC that had been offered to them in 1976.  B | AI3 AI  AI  AI  Windows-like environment. The next level up in complexity are commands which expect a single address http://www.stjarnhimlen.se/apple2/. 010- How do I write programs for the Apple Graphics there is also a mini-assembler which can be accessed from the monitor by http://www.1000bit.net/support/manuali/manuali.asp, http://apple2.callapple.org/manuals/index.html, http://linux.cis.monroeccc.edu/~paulrsm/6502/, http://www.chez.com/apple1/Apple2cDskArchive/index.htm, http://home.swbell.net/rubywand/A2FAQs1START.html, ftp://ground.ecn.uiowa.edu/apple2/Faqs/Formatted/, http://home.swbell.net/rubywand/csa2pfaq.html, http://home.swbell.net/rubywand/Csa2DOSMM.html, http://apple2.org.za/gswv/a2zine/faqs/Csa2DOSMM.txt, http://home.swbell.net/rubywand/A2FAQs7GAMESITES.html#004, http://www.xs4all.nl/~fjkraan/comp/apple2faq/app2asoftfaq.html, ftp://ftp.apple.asimov.net/pub/apple_II/documentation/, http://home.swbell.net/rubywand/A2FAQs4MAJORSITES.html, http://www.geocities.com/oneelkruns/65index.html, http://www.ninjaforce.com/html/products.html, http://www.stjarnhimlen.se/apple2/dsk.html, ftp://apple2.tffenterprises.com/pub/apple2/8bit/dev/, http://home.swbell.net/rubywand/Csa2APPLICS.html#018, ftp://ftp.apple.asimov.net/pub/apple_II/unsorted/, ftp://ftp.apple.asimov.net/pub/apple_II/utility/, http://www.mylinuxisp.com/~jdbaker/oldsite/SmallSys/AppleCPM.html, http://www.iso.port.ac.uk/~mike/interests/chistory/documents/cpm-22-manual/, ftp://rtfm.mit.edu/pub/usenet/news.answers/apple2/GNO-faq. know exactly what you are doing): 0020-004F Zero page memory area used by the monitor If you enter more than two digits for the data bytes, only the low order Learning to Program in C by Mike Westerfield (Byte Works) ;two or more successive reads WR-enables RAM Apple IIGS ProDOS 8 Reference (Apple/ Addison-Wesley) Press   completely revised to include ProDOS coverage Even Gates admitted that the deal for Applesoft’s renewal was not the smartest decision he has ever made. http://linux.cis.monroeccc.edu/~paulrsm/6502/ ; and data bank register down" flag in bit 7, with the Apple II? 007- Where and how can I get GS System 6.0.1? - If necessary, call SETMOUSE again with the actual mode you want. ;LC RAM bank2, Read and WR-protect RAM Jobs told him that they already had a BASIC , and if they needed a better one, they could “do it themselves over the weekend.”, For several months, Microsoft had their 6502 BASIC sitting on a shelf, unwanted and unused. Not all switches are present on all Apple II models. | | | | \--------- Interrupt on VBL The work done on Business Basic was later revived in the attempt to create GS Basic for the Apple IIGS. byte of operand with slot in joystick on These commands included the ones needed to draw and manipulate hi-res graphics. ; patched with entry point from table above. Furthermore, Applesoft I had no built-in commands to manage hi-res graphics.[13]. CLRAN3 =   $C05F ;Set annunciator-3 output to 1 at, Ground's 1 World Software Wizards folder ("Mega.Peeks.and.Pokes") Be sure to keep a look out for Apple II books, charts,

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