 |
| 7 Jul 2008 |
A link to DASM, a cross-platform macro assembler, has been added to the
Assemblers and Disassemblers page.
A link to DOS/65, an interesting operating system with file system
compatibility to CP/M-80, has been added to the
Homebuilt Projects page.
|
| |
| 30 Jun 2008 |
A large number of CompuKit UK101 documents
have been added to the Documents Archive. Our thanks to Neil Chadderton for scanning them.
|
| |
| 26 Jun 2008 |
If you are interested in acquiring a Compukit UK101, check out
this eBay auction.
We don't normally post this kind of announcement but the seller was kind enough
to send us scans of the documentation for inclusion on 6502.org. Thanks.
|
| |
| 19 Jun 2008 |
A new book, "6502 Machine Code for Humans", has been added to the
Book List.
Thanks to Adam Trionfo for pointing it out.
A link to the Oric SDK has been added
to the languages section of our tools listing. Thanks to Mickael Pointier for telling us about it.
A link to the 6502 Assembler & Emulator in JavaScript has
been added to the emulators section of our tools listing. Thanks to Leslie Ayling for sending in the link.
Another JavaScript-based assembler and emulator,
Virtual 6502, has
been added to the emulators section of our tools listing. Thanks to Norbert Landsteiner for sending in the link.
The link to Erik van den Broeck's KIM-1 Page on the
Simple Microcomputers and Trainers page has been updated. Thanks to Erik for letting us know.
Added the SYM-1 Supermon and audio cassette interface sources to the
SYM-1 Resources page. Thanks to Lee Davison for contributing it.
The link to Chris Ward's 6502 Computer on the
Homebuilt Projects page has been updated. Thanks to Chris for letting us know.
Nice reproductions of the 6526 CIA and 6545 CRTC datasheets are now available
in the MOS Technology Datasheets. Thanks
to Markku Alén for building these.
A link to the SYS8 Platform & Simulator
been added to the emulators section of our tools listing. Thanks to Markku Alén for sending in the link.
A link to Mertkan YILDIRIMLI's My Little Simulator
been added to the emulators section of our tools listing. Thanks to Mertkan for telling us about it.
Many additions and corrections have been made to the
Book List
thanks to Wilfred Bos.
The picoViewer interactive 6502 disassembler for PalmOS has been made available as a direct
download from the assemblers and disassemblers section of our tools listing. Thanks to Shirley Chin of Picodoc Corporation.
|
| |
| 17 Jun 2008 |
Registration for the forum is open again after being
temporarily disabled due to spam problem. We've added some measures to help prevent
forum spam in the future.
|
| |
| 25 May 2008 |
6502.org is now the official home of iDOC=, the Commodore documentation archive, that
was previously run by Peter Karlsson for
many years. Its new location is cbm.6502.org.
|
| |
| 18 May 2008 |
The link to Sunplus Technology on the
Commercial Support page has been updated. Thanks to Lee Davison for pointing it out.
|
| |
| 13 Jan 2008 |
The comp.sys.org newsgroup has been added to the
Discussion Groups page. Thanks to Mike Brown for letting us know about it.
|
| |
| 3 Dec 2007 |
Bruce Clark's tutorial, The Overflow (V) Flag Explained,
has been updated to include a short story about the SO pin from former Commodore engineer
Bil Herd.
|
| |
| 22 Nov 2007 |
Several SYM-1 links have been corrected on the site. Thanks to Dwight Elvey for pointing
these out.
|
| |
| 11 Nov 2007 |
We've updated a number of different areas of the site, including pages that have not been updated
in some time like
Development Tools and
Simple Microcomputer and Trainers.
We will be continuing updates throughout the week, so please
if you have any issues.
|
| |
| 10 Nov 2007 |
Daryl Rictor has submitted a new datasheet for the Rockwell R6501Q
One-Chip Microprocessor. It has been added to the
Rockwell section of the
Datahseets Archive.
|
| |
| 7 Nov 2007 |
A small error has been corrected in the
NMOS 6502 Opcodes tutorial.
Thanks to David Wilson for noticing this.
|
| |
| 11 Oct 2007 |
Simon Jansen has built a replica of
Bender, a robot character
from the television series Futurama. In addition to brewing beer,
Simon's project includes
a 6502 SBC with IR control and audio playback. It has been added to the
Homebuilt Projects section.
|
| |
| 7 Oct 2007 |
MICRO Magazine issues 61-76 are now available in the Documents Archive. Thanks
again to Richard Cini for contributing these.
|
| |
| 22 Jul 2007 |
Datasheets for several Motorola line drivers and receivers often used on 6502-based
equipment has been added to the
Documents Archive.
Thanks to Garth Wilson for contributing these.
Two new Synertek documents, "1981 Domestic Price List" and "Popular Microcomputer
Products from Synertek" have been added to the
Documents Archive.
Thanks to Dallas Shell for contributing these.
|
| |
| 20 Jul 2007 |
MICRO Magazine issues 7-10 are now available in the Documents Archive. Thanks
to Richard Cini for contributing these.
|
| |
| 1 Jul 2007 |
Richard Cini has contributed several complete books to the Documents Archive. The
titles are KIM Hints, KIM-1 User Manual, First Book of KIM, MCS6500
Family Hardware Manual, and MCS6500 Family Programming Manual.
|
| |
| 24 Jun 2007 |
Paul Fellingham has contributed a new
mini-project that shows how to build a priority interrupt encoder
with minimum interrupt level masking.
|
| |
| 21 Jun 2007 |
"Microprocessor Fundamentals, a Short Course for Scientists and
Engineers" was contributed by Steven Stengel and added to the Documents area. This is a 244-page introductory
course designed to be used with the KIM-1. It teaches beginning logic
and hardware basics up through number systems and software design. The
appendices contain KIM-1 software, TTL reference sheets, MOS
datasheets, and more.
|
| |
| 5 May 2007 |
Larry Wells contributed the GTE datasheet for the G65SC802/G65SC816
microprocessors, dated April 1985. It can be found in the Datasheets
Archive area for CMD/GTE.
A link to the CMD Obsolete Product Datasheets
has been added to the Commercial Support area. Thanks to DiGGr for pointing it out.
A link to Grant's MicroUK101 has been updated in the Homebuilt Projects section. Thanks
to Derek Peschel for finding it.
Paul Fellingham contributed a new mini-project for Clock Speed Switching.
|
| |
| 19 Dec 2006 |
Links to projects from Dieter Muller and PSALM have been updated on the Homebuilt
Project page. Thanks to Dieter Muller for reporting them.
|
| |
| 11 Nov 2006 |
The 6502.org Forum has moved to
http://forum.6502.org. Please update your bookmarks.
The old "Supporting Materials" area of the site has been removed because we never received
much useful content to put in it. We may bring it back in the future if good content
becomes available for it.
The link to Samuel Falvo's Kestrel Project
has changed. Samuel has built a small number of 65C816-based projects and his site provides
schematics, software, and design documents.
Warren Moore's 6502 project pages have been taken offline and the link has been removed
from the Homebuilt Projects section.
MATHPAC, an extension to KIMATH for the KIM-1, has been added to the
Microcomputers & Trainers
section. Thanks to Paul R. Santa-Maria for submitting it.
Dave Dixon sent in a link to Reverse Engineering the 6502.
These Hungarian-only pages include high-resolution scans
of the actual 6502 silicon and an impressive attempt to make a schematic from them.
Brian M. Phelps submitted a link to his project,
S/O/S SyMon II, a 65(C)02 BIOS with
a monitor and assembler. His pages contain photos and descriptions of several 6502 SBC projects along with
documentation and software for S/O/S SyMon II.
Kevin Savetz submitted a link to Machine Language for Beginners,
a book published in 1983 by Compute! Books to shows BASIC programmers how to program in 6502 machine language.
It has now been made available online at AtariArchives.org with
permission from the copyright holder.
Lee Davison has fully disassembled
SYM-1 BASIC and made it available for download on his site.
Paul Zaleski sent in a link to Breadboard a Computer,
J.B. Calvert's tutorial page that uses small 6504-based circuits to teach the fundamentals of
a microcomputer system.
Doug Felton of Avocet Systems submitted updated company information for the Commercial Support
page.
|
| |
| 7 Sep 2006 |
Updated datasheets are now available for the G65SC02, G65SC21, G65SC22, G65SC51, G65SC150,
and G65SC151 from California Micro Devices (GTE). They are now available in the
Documents Archive. Thanks to Ronald van Dijk
for finding them.
|
| |
| 6 Sep 2006 |
The datasheet for the Rockwell R6511Q One-Chip Microprocessor&R6500/13
One-Chip Microcomputer has been added to the Documents Archive.
Thanks to Ken Sumrall for scanning it.
|
| |
| 25 Aug 2006 |
Richard Cini has scanned nine new issues of MICRO Magazine. Issues 31 through 39
have been added to the Documents Archive.
|
| |
| 9 Jul 2006 |
RDY Generation for CMOS 65C02 Microprocessors
has been added to the Hardware Mini-Projects section. Andre Fachat describes a
generic schematic for generating the RDY line used by the 65C02 microprocessor to
hold bus accesses when a device is not ready. |
| |
| 29 Jun 2006 |
6502.org has completed its move to a new server provided by Mike Naberezny. The
new server will provide increased bandwidth, storage, and allow for more new
features to be added to 6502.org. We'd like to very sincerely thank Ross Archer who
has generously donated the previous hosting for the past few years. |
| |
| 3 Dec 2005 |
Ryan's Nixie Clock has been added to the
Homebuilt Projects section. Ryan Brooks has
built a Nixie tube clock that is driven by a 6502 with 8K RAM, 8K EPROM, and a 6522
VIA. The RAM used is a Dallas DS1742, which also acts as the real time clock. His
page includes photos, schematics, and source code. |
| |
| 14 Aug 2005 |
Samuel Falvo's Kestrel 1p3 has
been added to the Homebuilt Projects section. This 65C816-based project includes 32K RAM, and a 65C22 for I/O. This computer has
no ROM, instead it includes an "IPL" (Initial Program Load) port that a host computer uses to
take control of the busses and write the program into RAM.
Mike Naberezny's 6504 SBC was
slightly updated and has returned to the Homebuilt Projects section.
Dieter Mueller's M02 project has been added to the
Homebuilt Projects section. Dieter has built a homebuilt 6502-based project without a microprocessor IC or even
FPGAs. Instead, he built his own 6502 work-alike using 40 ICs on two PCBs: mostly spare EPROMs and 74xx-series
logic. The custom CPU has several improvements over the original 6502, such as a 16MB address range, most 65C02
opcodes, and some 65C816 features. The M02 computer includes a graphical LCD display and keyboard, and runs the
KERNAL and BASIC ROMs from the Commodore 64.
|
| |
| 6 Aug 2005 |
Rafal Szyja submitted another Polish language book to the book list, "Mikroprocesor 6502 i jego rodzina".
Eugene Dorr has written a KIM-1 emulator for the Palm called vKIM ("Virtual KIM"). It is now linked in the Simple Microcomputers
& Trainers section.
|
| |
| 1 Aug 2005 |
Brian Lyons submitted Synertek's Application Note AN3 on the 6545 CRT Controller, which was scanned by Richard Cini. It has been
added to the Application Notes section.
A link to Anton Treuenfels' cross assembler, HXA, has been added to assemblers list in the Cross-Development section.
The "MOS6500 Microcomputer Programming Manual" was submitted by both Antonio Giuliana and Mats Rosengren. It has been added to the book list.
Gary Becker's OSI-SOC has been added to the Homebuilt Projects section. Gary has built an
enhanced OSI Superboard system in an FPGA. It currently features: 64x32 character, 8 color video on a VGA monitor, 40K main RAM memory, 8K BASIC in ROM,
PS/2 keyboard that emulates the original matrix keyboard two 6850 UARTs, an enhanced monitor, and some tape software.
|
| |
| 24 Jul 2005 |
Esa Vesalainen submitted two books to the book list, "Teach Yourself Assembler 6502" and "Assembler Routines for the 6502".
Jurgi submitted a Polish language book to the book list, "Asembler 6502".
A broken link to the Rockwell R65C21 PIA datasheet was fixed in the Documents Archive.
|
| |
| 30 May 2005 |
Antonio Pedreira Rios has submitted the datasheet for the Rockwell R6531 RRIOC (ROM-RAM-I/O-Counter). It can now be found in the Rockwell section
of the Datasheets Archive.
|
| |
| 25 Apr 2005 |
The datasheets for the Rockwell CMOS parts have been added. Datasheets are now available for the R65C02/102/112, R65C19, R65C21, and R65C52:
http://www.6502.org/documents/datasheets/rockwell
A new category, Application Notes, has been created in the Documents Archive. The first item to be place here is an application note called "The CMOS 6502":
http://www.6502.org/documents/appnotes
|
| |
| 2 Apr 2005 |
André Fachat has updated his O65 Binary Relocation Format,
and this page now contains a draft for version 2.0 of the format.
|
| |
| 5 Feb 2005 |
Shell Sort (for 16-bit Elements) by Fredrik Ramsberg
has been improved and now also contains an implementation of the Insertion Sort.
|
| |
| 5 Feb 2005 |
Linear Congruential Pseudo-Random Number Generator Routines,
a set of routines by Bruce Clark for generating pseudo-random numbers, has been added to the Source Code Repository.
|
| |
| 5 Feb 2005 |
A dead link to the VAutomation 6502 synthesizable core was removed from the Commercial Support area. Thanks
to Peter Crossley for pointing this out. If anyone has an updated link, please forward it to us.
|
| |
| 31 Jan 2005 |
In Zero-Overhead Forth Interrupts, Garth Wilson
shows how to efficiently service interrupts in high-level Forth on indirect-threaded Forth systems.
|
| |
| 30 Jan 2005 |
Bruce Clark has submitted a new tutorial on Register Preservation
that has been added to the Tutorials and Primers section. It shows common methods for preserving registers on the stack and
also teaches how to properly distinguish whether an interrupt was caused by IRQ or the BRK instruction.
|
| |
| 12 Dec 2004 |
Greg Cook's CRC Calculations have been added to the
Source Code Repository. These routines execute in constant cycle time and do not require lookup tables.
|
| |
| 30 Oct 2004 |
Jack Rubin has scanned five more issues of the magazine "MICRO: The 6502 Journal", issues 11 through 15, and
they are now available for download.
|
| |
| 31 Aug 2004 |
Jack Rubin has scanned the first year of the magazine "MICRO: The 6502 Journal". All six issues are available
for download from the Documents Archive: http://www.6502.org/documents/publications/micro.
|
| |
| 12 Jul 2004 |
Jonathyn Bet'nct has submitted two routines for comparing strings in Pascal format
(length byte followed by string) that have been added to the Source Code Repository.
|
| |
| 7 Jun 2004 |
Garth Wilson has written an excellent primer on programming interrupts that can be found in the
Tutorials and Primers section. It introduces the concept of interrupts, demonstrates how to code interrupt handlers, explains special interrupt types (NMI, BRK, WAI), provides three sample projects that make good use of interrupts, and discusses performance considerations.
|
| |
| 6 Jun 2004 |
The Datasheets Archive has moved. It can now be found here: http://www.6502.org/documents/datasheets/.
In addition to having a new layout, all of the existing datasheets have now been converted to PDF format. A large
number of additional datasheets have also been added, particularly from Rockwell and WDC.
|
| |
| 31 May 2004 |
Andrew Dunn's SYMulator, a working SYM-1 simulator based on Daryl Rictor's 65C02 simulator,
has been added to the SYM-1 section of the Microprocessors & Trainers area.
Paul Beaupre has submitted the RAE Reference Card from the SYM-1 Users Group and it
has also been added to the SYM-1 section of the Microprocessors & Trainers area.
Daryl Rictor's 65C816 converter, an adapter board to allow a 65C816 to be installed in a 6502
socket, has been added to the Hardware Mini-Projects section.
Mats Rosengren has expanded his Optimal Sort to sort large numbers of 16-bit elements. It
can be found in the Sorting Algorithms section of the Source Code Repository.
Invector Embedded Technologies produces embedded controller boards including the IET6502SBC, a small SBC with a 65C02, 65C22, four-port UART,
128K RAM, ethernet controller, and connections for a graphical LCD display. A link has been added
to the Commercial Support area.
|
| |
| 26 May 2004 |
The Western Design Center has redesigned their website: http://www.westerndesigncenter.com
|
| |
| 4 Apr 2004 |
Tony Gonzalez's address line test routine has been added to the General Purpose category of
the Source Code Repository.
Bruce Clark has submitted another contribution to the Tutorials and Primers section, this one
explaining the sometimes mysterious Overflow (V) Flag.
|
| |
| 3 Apr 2004 |
Bruce Clark has made two excellent submissions. Practical Memory Move Routines can be found
in the General Purpose category of the Source Code Repository. It presents several very useful routines for block memory
moves. Beyond 8-bit Unsigned Comparisons is an extensive tutorial on signed and unsigned comparisons
and it can now be found in the Tutorials and Primers section.
|
| |
| 20 Mar 2004 |
Martin Arndt's Fast Multiplication routine, an algorithm that uses tables of squares to quickly
multiply two numbers, has been added to the Source Code Repository.
Andrew Jabobs' Hexadecimal to Decimal Conversion routines have also been added to the Source
Code Repository.
Fredrik Ramsberg's Shell Sort, an efficient sorting routine for large collections of 16-bit values,
has been added to the Source Code Repository.
Marco Baye's ACME cross-assembler, an assembler supporting the 6502/65C02/65C816 that runs on
several different platforms including DOS and Linux, has been added to the list of assemblers in the
Cross-Development Tools area.
Warren Moore's 6502 Project has been added to the Homebuilt Projects list. This is Warren's first
attempt at constructing a 6502-based computer and he chronicles his construction experience in a daily,
illustrated log.
Carsten Strotmann's instructions for porting Sweet 16 have been added to the Source Code Repository.
Sweet 16 is a metaprocessor or "pseudo microprocessor" implemented in 6502 assembly language. Originally
written by Steve Wozniak and used in the Apple II, Sweet 16 can also be ported to other 6502-based systems
to provide useful 16-bit functionality. This article includes the source code for Sweet 16, along with a brief history,
programming instructions, and notes to help port it.
Daniel Wallner's T65 core has been added to the Homebuilt Projects section. The T65 is a free 6502 VHDL core
that supports the 6502, 65C02, and 65C816 instruction sets. A reference SoC design is also provided,
complete with ROM, RAM, and two 16450-compatible UARTs.
|
| |
| 4 Feb 2004 |
Mats Rosengren's Optimal Sort, another improvement on the traditional bubble sort, has
been added to the Source Code Repository.
Toshi Morita has ported LCC to compile for the 65C816. It is now available for download,
including source code for the compiler itself, from the Languages area of the Development
Tools section.
|
| |
| 27 Jan 2004 |
Garth Wilson's routines for converting 8- and 16-bit hexadecimal numbers to their decimal (BCD)
equivalents have been added to the Source Code Repository.
|
| |
| 26 Jan 2004 |
Several broken KIM-1 links in the have been corrected or removed. Thanks to Dallas Shell for pointing
these out.
|
| |
| 25 Dec 2003 |
Sim65 - Sheldon Simms' 65C02 simulator and debugger
for Linux/GTK systems, has been added to the list of emulators and simulators.
|
| |
| 24 Oct 2003 |
Two missing binaries on the SYM-1 Page have
been fixed. Thanks to Hans Otten for pointing this out.
|
| |
| 20 Oct 2003 |
Alexis Kotlowy-Brown's ROMless 6502 Microcomputer
has been added to 6502.org. Alexis has created a 6502 single board computer programmable only by
DIP switches, built in the spirit of older microcomputers like the Altair 8800.
|
| |
| 19 Oct 2003 |
A link to Rob Greene's Electronics Projects
has been added to the Homebuilt Projects section. Rob's pages detail his experiments creating a VGA
video subsystem for a 65C02-based SBC by using a PIC microcontroller.
Krzysztof Swiecicki's Projects have also been added
to the Homebuilt Projects section. Krzysztof is a 6502 enthusiast from Poland. He has built some
very interesting projects, including a 16450-based serial port, AD1848-based audio output, an SBC with
an overclocked 65C02, and a fuel injection computer based on the 65SC816.
|
| |
| 12 Oct 2003 |
Garth Wilson's Projects
have been added to 6502.org. Garth has detailed several of his 6502-based
projects and his pages contain many photographs and schematics.
|
| |
| 12 Aug 2003 |
A link to the Index for Issues 0-14 was broken in the SYM-PHYSIS Newsletter Archive.
Thanks to Mark Cummings for pointing this out. |
| |
| 26 Jan 2003 |
Keith Howell's
Acorn Atom in an FPGA has been added to the Homebuilt Projects section. Keith's project
uses an FPGA to implement the glue logic, a superset of the 6847 video controller, and a
PS/2 keyboard interface.
Sprow's MiniB has also been added to the
Homebuilt Projects section. Smaller than a 3.5" floppy disk, its features include
a 20x4 LCD display, 128K Flash ROM, a Real Time Clock, and a programmable logic device.
|
| |
| 4 Jan 2003 |
The datasheet MOS Technology's 6562/6563 Video Interface Chip
(VIC) has been added to the Datasheets Archive. Thanks to
David Seiter and Cameron Kaiser for providing it.
There is now a wealth of Synertek SYM-1 information in the new SYM-1 Resources
section. Special thanks to Leland Goertz, René Sommerlatt, and
Dallas Shell for this material.
In addition to the new SYM-1 section, the Datasheets Archive now
contains several new Synertek documents, including a 318-page full
databook from 1981-1982!
|
| |
| 1 Dec 2002 |
A tutorial on the 6502's Compare Instructions has
been added to the Tutorials
section.
Datasheets for Commodore Semiconductor Group (CSG)'s 6508, 6509, 6510,
and 65245 have been added to the Datasheets Archive. Thanks to
Rich Cini for scanning these to PDF format.
|
| |
| 28 Nov 2002 |
A FireCracker
CM17A interface has been added to the Mini-Projects section. This
project shows how to connect X-10's RF interface for the PC to a
6502-based machine for home automation projects.
|
| |
| 21 Oct 2002 |
The Source Code Repository now
includes a new submission from Garth Wilson, UM/MOD. These are
routines for the unsigned division of a 32-bit dividend by a 16-bit
divisor, resulting with a 16-bit quotient and a 16-bit
remainder. Versions are presented for the 65C02 (with changes for use on
the 6502) and 65C816, with notes of interest to Forth users.
Adam Luoranen's 6502-based
projects have been added to the Homemade
Computers & Hardware Projects section. Adam's projects include a
simple LED-blinker and interfacing a KS0108-based graphical LCD panel.
Peter Jennings' famous MicroChess game has also been
added to the Source Code Repository, along with a modified version by
Daryl Rictor for use over a 6551-based serial port.
The Maniac II has
also been added to the Homemade Computers & Hardware Projects
section. This site by Tomasz Piotrowski has pictures and details about
the Maniac II, an
impressive compact 65C816 computer with keyboard and LCD screen that
resembles a small laptop.
Vern Graner's KIM-1 Enthusiasts Page
has been added to the Simple
Microcomputers and Trainers section. Vern's site for KIM-1 users
includes documents, programs, and a photo gallery.
|
| |
| 1 Oct 2002 | SYM-PHYSIS
Issue 11 is now available. |
| |
| 12 Sep 2002 |
David Wheeler has written some interesting material on 6502 Language Implementation
Approaches that has been indexed in the Languages section
of the cross-development area. |
| |
| 29 Aug 2002 |
A new forum (message board) has been set up on the 6502.org
server! The 6502.org Users Forum
will replace our old forum on DelphiForums. Please register yourself and
start interacting with other 6502 enthusiasts. Since it's hosted right
here on 6502.org, you won't be subjected to advertising or unwanted
e-mail. |
| |
| 27 Aug 2002 |
Clearing a Section of
Memory has been improved by Mickael Pointier and is now in the Source Code Repository.
Nurettin TOPALOGLU's Turkish book, "Mikroislemciler ve Assemby Dili",
has been added to the Book List.
Piotr Fusik's pages are
once again hosted on 6502.org. Piotr's pages feature xasm, a cross-assembler
for DOS.
Dan Boris's 6502 Processor
Page has moved. Thanks to ArchieR for providing the update.
Daryl Rictor has authored a set of X-Modem file transfer routines
for 6502-based computers with a 6551 serial port. They have been added to
the Source Code Repository.
Paul R. Santa-Maria's SBC&Apple II
Resources have moved and the link in the Enthusiasts' Pages has been updated.
Sam Bergmans has created SB-Assembler, a DOS
macro assembler with some interesting features like a random fill
directive and multi-processor support. It is now linked in the Assemblers&Disassemblers area of
the Cross-Development section.
Michael Chapman Martin has created a highly-portable 6502
cross-assembler written entirely in Perl. The P65 Assembler has
been added to the Assemblers&Disassemblers area.
Thomas Dettbarn submitted a link to PSALM,
a German-only page describing a project that reverse-engineered the 6502
and produced an asynchronous version in VHDL. The link has been added to
the Homebuilt Projects on the Web list.
Charles R. Bond now has KIMATH, one of the first
high-quality floating point math packages, available for download from his
website complete with documentation. It is now listed in the KIM-1 area
of the Simple Microcomputers and
Trainers section.
Soft6502 is a 6502
simulator for Windows by Charles R. Bon. It resembles early 6502-based
computers like the KIM-1 and can now be found in the Generic 6502 Emulation and Simulators
area of the Cross-Development section.
Charles R. Bond's
Assembler has also been added to the Assemblers and Disassemblers list.
Erik Van den Broeck's
pages
now contain the entire text of The First Book of KIM and
MICROCHESS by Peter Jennings. It is also linked in the Simple Microcomputers and Trainers
section.
David Brown has written an impressive Microtan65
Emulator that is now linked in the Simple Microcomputers and Trainers
section. Thanks to Dougie Lawson for this and other links.
Ross Archer's KIM-1 Repository
has also been added to the Simple
Microcomputers and Trainers section.
|
| |
| 26
Aug 2002 | Lee Davison's pages
have moved and are now linked correctly from the Homebuilt Projects section. Thanks to Gordon
Zaft and Daryl Rictor for helping us keep the links up to date.
Ian Pun's KIM-1
Pages have also moved and the link in the Simple Microcomputers and Trainers
section has been updated. |
| |
| 15 Apr 2002 |
Mike Genovy's 6502 pages have
moved and the link has been updated.
The 6502
Webring addresses have also been changed and are now
functional again. |
| |
| 27 Feb 2002 |
Mike Cowlishaw's Acorn
Microcomputer Pages contain a large number of excellent pictures of a
lesser-known European 6502 kit computer, along with history,
documentation, and firmware for the device. This link has been added to
the Simple Microcomputers and
Trainers section. |
| |
| 21 Feb 2002 |
Delphi Forums has changed their URL. Our forum is still accessible at
http://forums.delphiforums.com/6502. Please
update your bookmarks and join in the discussions! |
| |
| 10 Oct 2001 |
A new section has been added to 6502.org called Supporting Materials. This area
will hold any useful programs, circuits, or tools that may be of interest
to the 6502 developer but are not specifically geared towards the
6502. The first entry in this new section is an EEPROM
Programmer by Jay Kominek. |
| |
| 27 Sep 2001 |
Mike Genovy's
6502 Stuff has moved to a new location and the link in the Homebuilt Projects section has been
updated. |
| |
| 20 Sep 2001 |
Special thanks to Wolfgang Guenther for helping us correct broken
links in the SYM-1 and Datasheets
Archive sections!
Added RICE65, a 65C02 In-Circuit-Emulator from I-Pal Communications, to
the Commercial Support page.
Added AS65, Frank Falstaff's two-pass 6502/65C02 assembler for DOS, to
the Assemblers page in the
Cross-Development section.
Lee Davison now has a new
webpage showcasing his 6502 projects. It is
also the new home of his BASIC interpreter, EHBASIC. The link has been
added to the Homebuilt Projects section.
|
| |
| 31 Aug 2001 |
Simon Collis has developed a 6502 assembler called A6 which runs on DOS,
Unix, and AmigaOS. A link to the program has been added to the Assemblers
area of the Cross-Development pages. |
| |
| 5 Aug 2001 |
Lee Davison's Root Calculator has been added to the Source Code Repository. |
| |
| 5 Aug 2001 |
Phil Pemberton's 6502 Appreciation Group now has a mailing list on
Yahoo! Groups, 6502AG. It has been
added to a new section on 6502.org for Discussion
Groups |
| |
| 5 Aug 2001 |
Micetek is a Taiwanese company which makes a product called EasyPack
6502F, an in-circuit-emulator (ICE) for the WDC W65C02. Their link
has been added to the Commercial Support section. |
| |
| 5 Aug 2001 |
Christopher Cowen has a new webpage at CPC Microsystems which has
been added to our Homebuilt Projects list. Chris' modular 6502 system,
called the Jimini Platform, is expandable with cards on a backplane
similar to VME and is programmed in C with CC65. |
| |
| 3 Jul 2001 |
Lee Davison has been hard at work on an excellent BASIC interpreter
aimed at homebuilt systems. EHBASIC, or Enhanced
6502 BASIC, is a work in progress and includes many unique and powerful
features. Check out what has been done so far and if you're interested in
the project e-mail
.
|
| |
| 29 Jun 2001 |
Samir Lohani has created the Data
Pod, a serial EEPROM storage device that provides nonvolatile storage
to his 65C02 homebuilt computer. The DPOD has been added to the Hardware
Mini-Projects section and includes photos, schematics, and a printed
circuit board layout. |
| |
| 29 May 2001 |
Rich12345's Hardware Page
has been added to the Homebuilt Projects on the
Web page. It includes 6502-based hardware projects like Wozbot, the
Apple II robot.
|
| |
| 20 May 2001 |
Joachim Deboy has submitted a small multitasking kernel to
the Source Code Repository. |
| |
| 18 May 2001 |
The Microlab kit is no longer being offered for sale and has been
removed from the Commercial Support
page. |
| |
| 17 May 2001 |
Daryl's Rictor's Combination
Sort routine has been added to the Source Code Repository. |
| |
| |
Floating Point
Routines from
Steve Wozniak and Roy Rankin have been also been added to the Source Code
Repository thanks to Paul R. Santa-Maria. |
| |
| 10 May 2001 |
Klaus Mussler's 6502
Single Board Computer has been indexed in Homebuilt 6502 Computers&Projects. |
| |
| 7 May 2001 |
Daryl Rictor's 65C02 Single Board
Computer and 65C02
Emulator for Windows have been indexed in the Homebuilt 6502 Computers&Projects and Generic 6502 Emulation and Simulators
sections, respectively. |
| |
| 6 May 2001 |
The links to the Western
Design Center datasheets have been fixed and
they are once again available for download from the Datasheets Archive. |
| |
| 23 Apr 2001 |
California Micro Devices (CMD) G65SC21 Full Datasheets (PDF) are
now available for download from the Datasheets Archive. |
| |
| 22 Apr 2001 |
Issue
#10 of SYM-PHYSIS magazine has been added to the SYM-PHYSIS
archive. |
| |
| 17 Apr 2001 |
Michal Kowalski has written an excellent program for Windows called
the 6502 Macroassembler and Simulator. It is an integrated development
environment which allows an assembly language program to be written,
assembled, and simulated. The author is actively developing and
continually improving the program. A link to it has been added
to the Generic 6502
Emulators and Simulators page. |
| |
| 16 Apr 2001 |
Ross Archer and Lee Davison were rather unimpressed with
Commodore's implementation of the PRIMM routine. They have both submitted
improved versions which have been added to the Print Immediate (PRIMM)
routine page. |
| |
| 30 Mar 2001 |
John Pickens' 6502 Opcodes information page
added to Tutorials and Aids. |
| 30 Mar 2001 |
A Tutorials and
Aids section has been added. |
| 28 Mar 2001 |
Print Immediate
(PRIMM) added to Source Code Repository. |
| 27 Mar 2001 |
Lee Davison's PC/AT Keyboard Interface
added to Hardware Mini-Projects. |
| 22 Mar 2001 |
Ross Archer's Intel HEX File
Downloader added to Source Code Repository. |
| 10 Mar 2001 |
Added News and Updates page. |
