May 29, 1997 (Obviously), a new News function has been added. May 29, 1997 A new emulator, written by Mike Riley has been placed on the TRS-80 Emulator page, and some bad links have been removed. May 29, 1997 I have added two more pieces of software to the Model III page – Toxic Dump […]
Equates for Network 4 (Omninet) Ports OMSB EQU 0D3H ; MSB of Omninet Address Pointer OLSB EQU 0D1H ; LSB of Omninet Adddress Pointer OSTROB EQU 0D2H ; Omninet Strobe Port OMOUT EQU 0D0H ; Output with Auto Increment OMIN EQU 0D2H ; Input without Auto Increment OMINPL EQU 0D0H ; Input With Auto Increment […]
DOS DOSPlus *Unofficial* Zaps LDOS v5.3.1 (Model I) *Unofficial* Zaps LDOS v5.3.1 (Model III) *Unofficial* Zaps LDOS v6.3.1 (Model 4) *Unofficial* Zaps MultiDOS Zaps NEWDOS/80 *Official* Zaps NEWDOS/80 *Unofficial* Zaps TRSDOS v1.2 Zaps TRSDOS v1.3 *Official* Zaps TRSDOS v1.3 *Unofficial* Zaps TRSDOS v6.x *Unofficial* Zaps Software Electric Pencil Other Software Software Zaps and Patches (Download) […]
This page covers 1001H-2002H of the Model III ROM. The ONLY difference between the Model I v1.3 ROM and the Model III ROM in this entire range is located at 1B5DH-1B5FH. On the Model I, that address loaded HL with the contents of memory location 40A4H, the start of data. On the Model III, that […]
January 9, 2013 – New Cover, Thanks to Bob Beatty Magnetic Bulk EraserPages: 1Year: UnknownPublisher: Radio Shack January 9, 2013 – New Covers, Thanks to David Sutherland Title: Bowker Bantam 1984 Complete Sourcebook of Personal ComputingYear: 1983Publisher: XeroxPages: 660 Title: InfoWorld’s Essential Guide to the TRS-80Year: 1984Publisher: Popular ComputingPages: 228 Title: Source Book of Free and Low-Cost Software, […]
January 14, 2010 – Site Maintenance Sorry for the lack of recent updates, I have been struggling with the (apparently well-known) problem of WordPress 2.9 requiring MySQL 5, but the site having been set up with MySQL 4. This might not otherwise be a problem if my host didn’t include a 2MB maximum on MySQL […]
January 12, 2009 – New 80 Micro Horacio has provided another 80 Micro, and the data for Issue 97 has been added to the 80 Micro 1988 web page, and the searchable 80 Micro Table-Of-Contents database. This brings the count up to 98 out of 101 with only three (3) issues from 1998 remaining. Thank […]
May 16, 2007 – What’s Up With The Changes? As many of you have no doubt noticed, I have scaled back the site to focus on information regarding the various home TRS-80 models and emulators and utilities related thereto. I know that people are curious as to why the dramatic shift was made. The bottom […]
RAM Addresses and Routines The following keys for DOSes apply: T1 – Model 1 TRSDOS T3 – Model 3 TRSDOS N1 – Model 1 NEWDOS N3 – Model 3 NEWDOS L1 – Model 1 LDOS L3 – Model 3 LDOS M1 – Model 1 MULTIDOS M3 – Model 3 MULTIDOS D1 – Model 1 DOSPLUS […]
Page Menu LDOS Using LDOS as a Host (Communications) LDOS v5.1.x /SYS File Guide Creating /CMD Files from LDOS LIB Commands Increasing The Number of Drives in LDOS Booting A Double-Sided Diskette Under LDOS 5.1.x and 6.x Reading Model 4 TRSDOS or Model III LDOS disk on NEWDOS/80 Using TRSDOS or LDOS to Write Protect […]