Archive for September, 2018

Mockingboard

Monday, September 10th, 2018

Sweet Microsystems Mockingboard 1991 was proclaimed the “Year of the PC soundcard” by Sierra On-Line (Sierra), Ad-Lib and Creative duke it out to get the first one out the door, Creative ‘wins’ with the Sound Blaster Pro. Well, as if this were the biggest thing to ever happen to a personal computer. 1981 was the […]

System Monitor

Monday, September 10th, 2018

From: tdiaz-a(in_a_circle)-apple2-dotsero-org (Tony Diaz) Newsgroups: comp.sys.apple2,comp.answers,news.answers Approved: news-answers-request@MIT.EDU Followup-To: comp.sys.apple2 Subject: comp.sys.apple2 Apple II System Monitor CMD Reference Archive-name: apple2/faq/sysmon Posting-Frequency: monthly Last-modified: October 11 2007 Version: 0.54 URL: http://apple2.info/wiki/index.php?title=System_Monitor The next section is the Frequently Asked Questions (FAQ) posting of the comp.sys.apple2 newsgroup. Copyright (c) 2007 by Tony Diaz (email: tdiaz-a(in_a_circle)-apple2-dotsero-org), all rights reserved. […]

P8 Tech Ref Inline

Monday, September 10th, 2018

Interwiki: :P8_Tech_Ref_Chapter_1++ Interwiki: :P8_Tech_Ref_Chapter_2++ Interwiki: :P8_Tech_Ref_Chapter_3++ Interwiki: :P8_Tech_Ref_Chapter_4++ Interwiki: :P8_Tech_Ref_Chapter_5++ Interwiki: :P8_Tech_Ref_Chapter_6++ Interwiki: :P8_Tech_Ref_Appendix_A++ Interwiki: :P8_Tech_Ref_Appendix_B++ Interwiki: :P8_Tech_Ref_Appendix_C++ Interwiki: :P8_Tech_Ref_Appendix_D++ Interwiki: :P8_Tech_Ref_Index++

Inbuilt

Monday, September 10th, 2018

The Great Juiced.GS Debate Learn New Words today! Subscribe to Juiced.GS – http://www.juiced.gs

P8 Tech Ref Index

Monday, September 10th, 2018

Page 182 Index Index A A register … 96 access … 150, 153, 157 byte … 13 accumulator … 29, 77, 85 Active Entries … 158 ALLOC_INTERRUPT call … 35, 170, 111, 178 alternate 64K RAM bank … 89 APPEND command … 131 Apple II … xvi, 98 Apple II Plus … 98 Apple II […]

P8 Tech Ref Appendix D

Monday, September 10th, 2018

Appendix D – The ProDOS Machine Language Exerciser Page 179 The ProDOS Exerciser program is a menu-driven program that allows you to practice calls to the ProDOS Machine Language Interface without writing a system program. It is useful for learning how the various ProDOS MLI calls work. Using it, you can test the behavior of […]

P8 Tech Ref Appendix C

Monday, September 10th, 2018

Appendix C – ProDOS, the Apple III, and SOS Page 175 This appendix explains the relationships between ProDOS, the Apple III, and SOS. It should be helpful to those already familiar with SOS and to those thinking about developing assembly-language programs concurrently for SOS and ProDOS. ProDOS, the Apple III, and SOS As explained earlier […]

A2 Diagnostic

Sunday, September 9th, 2018

Apple Internal Diagnostic Routines Apple IIgs The Apple IIgs has a fairly extensive inbuilt diagnostic program that is easily accessed at power up by holding the Open-Apple & Option keys when turning on the power, or at any time when pressing Control – Open-Apple – Option – Reset. #Name$Location 1 ROM Checksum $FF/7CAE 2 RAM […]

IIgs Bus Timing

Sunday, September 9th, 2018

The IIgs has two memory clocks: the processor (65816) bus, which connects to the Fast RAM, and the Mega II (Apple II-compatible) bus, which connects to the Slow RAM and peripherals. The 816 bus clock is identified by the symbol ?2 and the M2 bus clock is identified by ?0. The complement of the M2 […]

Emulators – Part 1

Sunday, September 9th, 2018

*************************************************************************** * * * Apple ][ Emulator Resources Guide * * version 1.3.7 * * * * (c) 1995-1998 Alex Maddison * * <alexm@zip.com.au> * * * * Corrections and constructive criticism welcome. * * * * Last updated: April 1998 * * * * Newsgroups: comp.emulators.apple2, alt.emulators.ibmpc.apple2, *.answers* * Posted: First week of each […]