MEMORY RANGE* DESCRIPTION ———————– —————————————- 0.1FF Program work space; not available to user. 200.2FF Keyboard character buffer. 300.3FF Available to user for short machine language programs. 400.7FF Screen display area for text or color graphics. 800. 2FFF APPLESOFT BASIC compiler. (Cassette Tape Version) 800. XXX User Program (ROM version – A2B0009X installed) where XXX is maximum available RAM memory 2000.3FFF High Resolution Graphics Display page 1. May be used by Ror-1 (A2B0009X) version of App1esoft II only. 3000. XXX User…
By Bob Huelsdonk Some protocol is a must if you use a printer with greater than 40 columns with your Apple. This comes about because it tries to write beyond the screen area and into the variables area in Integer BASIC or into the operating system in Applesoft. The following fix will help prevent this problem: Start your printer driver routine with a JSR FC58. This will home the cursor and clear the screen. Do not return to the screen…
By Val J. Golding APPLESOFT I I Extended Precision Floating Point Basic. $20 from Apple dealers or direct from Apple Computer, 10260 Bandley Drive, Cuptertino, CA 95014. Supplied free with new 16-48K Apples. A ROM version is expected to be released about July 1st for $99. One’s first impression might be that charging for this updated version of Applesoft is unfair, which was our snap judgement. However, consideration must be given to other facts, the first being that Apple Computer…
Coming up in the July issue of Call-A.P.P.L.E. Magazine: Annotated Memory Test by Bob Huelsdonk Using Color Mask in HIRES by Darryl Aldrich Mystery Program — A Contest by Val Golding Programming Hints from Apple to Z Integer Basic Floating Point by Don Williams Reviews, New Product Announcements, Etc.
by Val J. Golding This routine will allow you to format Applesoft REM and PRINT statements on screen without having to worry about the lines being different. One item to take note of: This program only works in 40 column mode in this format: 10 REM ROUTINE TO FORMAT REMARKS LINES AND PRINT STATEMENTS IN APPLESOFT II BY VAL GOLDING – 5.20.1978 20 REM APPLE PUGETSOUND PROGRAM LIBRARY EXCHANGE 6708 39TH AVE SW SEATTLE, WA. 98136 90 HOME:VTAB4 100 PRINT…
A complete program listing is given below to convert a program written in Applesoft I so it will load in Applesoft II. This program is available from the club library, as is a version of Applesoft I with corrections made. Load the converter program in Integer BASIC and RUN. The program will instruct you when to load your Applesoft I program. When the conversion is complete and you have re-saved your Applesoft I program, load it into Applesoft II and…
The May 1978 Contact! newsletter from Apple Computer, Inc. contained a number of required patches to repair bugs in Applesoft I. Array Indexing Problem Fix Long line Fix “END” Statement Fix FRE(0) Function Fix
……is the name of a new monthly newsletter published by Apple Computer, Inc. The first issue (May 1978) was literally packed with good information and programming hints. If you did not get your copy int he mail, be sure to contact your Apple dealer.
By Val J. Golding Applesoft & Applesoft II store in memory from the bottom up, unlike Integer BASIC, which is just the opposite, storing from the top down. Although pointers and characteristics of Applesoft I and II are similar, they are different. Therefore we will limit ourselves to APII in this discussion. Programs store startirlg at decimal location 12289 upwards, at’Id variables are located starting at the high end of program storage. Where there is no program present, theh the…
10 REM ROUTINE TO FORMAT DECIMALNUMBERS ROUNDED OFF TO TWO PLACES AND RIGHT JUSTIFIED BY BOB HUELSDONK 15 REM 4/27/78 20 REM APPLE PUGETSOUND PROGRAM LIBRARY EXCHANGE 6708 39TH AVE SW SEATTLE, WA. 98136 70 FOR I • 1 TO 10: READ A: P= A : GOSUB 6000 75 PRINT P$: NEXT 80 END 90 DATA 56.2,23456.1,5,1.186,345.70,23,678.0123,-99999.889,.2389,789S67 100 REM 110 REM ” A.’ WAS CHANGED TO ‘P’ 120 REM TO KEEP THE SUBROUTINE 130 REM ANONYMOUS. 140 REM WORKS FOR…
By Val J. Golding Is the ugly head of price wars and cut-throat sales about to raise itself? We sincerely hope not. these are bargains in which no one gains. If a dealer can move enough data in a given period of time, he can make money, even with a profit margin as low as 10%. But in order to do this, he must also cut overhead. This is usually accomplished through reductions in sales staff and services to customers. …
The meeting got off to a prompt start at 7:25 (after the secretary arrived, ed.) and the minutes were approved as stated in the May issue of Call-A.P.P.L.E.. There were 24 members present. (Note the continuing increase). Val started the usual introductions around the room….and some names are now becoming familiar. And then it was on to business. Val announced, that a tentative agreement been reached with Softech, Inc., to sell memberships and software to the club on a greatly…
June 1978 To all A.P.P.L.E. Members: please note that our library now has a LCOS (Limited Cassette Operating System) for all of our cassette based programs.
NOTE:Values 00 to 7F (0 to 127 decimal) are used by the standard Ascii character set. As in Integer BASIC, Apple II outputs last two rows (60-7F) as uppercase. This table is a complement to “Applesoft II Pointers and Tokens on Pages 6 & 7, and should be saved as a permanent reference chart.
The Apple ][ is country’s best seller? This is what Phil Roybal, Apple Computer’s marketing manager expressed to us when we asked him recently. Apple’s new Shuggart mini-floppy has now been officially announced at an unbelievably low $495. The Delievery is scheduled to commence in lat June. This drop of $200 was enough to influence our decision to buy. The Applesoft II ROM board will be available at $100 for an introductory period only, running through July 31st, at which…
COMPUTER COMPONENTS – formerly known as COMPUTER PLAYGROUND offers some large storage for Apple users in the form of PERSCI floppy drives. This is the first in a series of articles about the “large” floppies available for the Apple ][ The drive is the PerSci Model 277 dual diskette drive. this means it has two eight inch floppy disk surfaces with approximately 256,000 bytes for storage. Half a million bytes of disc storage per drive! optionally selectable is the dual…
We must thank Randy Wiggington of Apple Computer, Inc. for letting us bug him (no pun inteded) both by mail and by phone, and whose help was invaluable in helping to prepare the special Applesoft issue of Call-A.P.P.L.E Magazine (1978 June Issue)
By Darrell Aldrich While written for Applesoft II, this article is also applicable to Integer Basic HIRES graphics mode. The High Resolution Graphics screen is composed of 280 vertical bars (X coordinates), by 160 units high (Y coordinates). The even-numbered bars are violet in color, while the odd-numbered bars are green. The color white is produced by plotting adjacent green and violet bars. (Green+Violet=White. ) By plotting only on even bars, (even X coordinates), violet plots can be made. However,…
