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295 lines
14 KiB
295 lines
14 KiB
Version 2.5.4
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-------------
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- WBW: Fixed IOBYTE handling
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- WBW: Added Propeller firmware support for PropIO V2
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Version 2.5.3
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-------------
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- WBW: Fixed EXM in DPB for 360K floppy definition (credit to Martin for finding this error)
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- WBW: Improved /WAIT trigger performance in PropIO (credit to Marko)
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PropIO now seems to be compatible with CPU clock speeds up to 16MHz
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- WBW: Corrected the IO base address for PPIDE driver on N8 variants (credit to Arlen Michaels)
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Version 2.5.2
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-------------
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- WBW: Added initial support for RAM Floppy
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Version 2.5.1
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-------------
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- WBW: Fix PPIDE bug
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Version 2.5
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-----------
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- WBW: Implemented CRT driver model (video and keyboard)
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- WBW: Implemented ANSI terminal emulation
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- WBW: Updated build process to remove CPU specification
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- WBW: Refactored VDU and Color VDU drivers for new cRT driver model
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- WBW: Refactored keyboard drivers for new CRT driver model
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- WBW: Refactored PPIDE driver to improve performance
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- WBW: Implemented "boot" messaging
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- WBW: Fixed debug monitor (I, O, and H commands corrected)
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- WBW: Added support for SCSI2IDE (SD Card driver primarily)
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- WBW: Revised System Architecture document
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- WBW: Added support for Dual SD board (preliminary)
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- WBW: Overhaul of SD driver (sd.asm) to clean up the conditionals
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- WBW: Completed Douglas' N8 video driver support
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- WBW: ASCI driver has been separated from UART driver
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- WBW: Added ZX CPM emulator and integrated with build process
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- WBW: Updated Apps built with Aztec C to use the TINY library
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- WBW: Updated CPMNAME application to reflect latest config data block
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- WBW: Support multiple UART devices (up to 2 for now)
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- WBW: Partial support for Multifunction / PIC (UART & PPIDE)
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- WBW: Add chip detection to UART driver
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- WBW: Move ram/rom disk code into separate driver (md.asm)
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Version 2.1.1
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-------------
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- WBW: Corrected setup of Z180 wait states
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- WBW: Added hd0-3 geometries to diskdefs file for cpmtools
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Version 2.1
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-----------
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- WBW: Implemented write caching in (de)blocking algorithm
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- WBW: Added Architecture documentation
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- WBW: Config jumper controls default vs. alternate console for N8VEM/Zeta
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- DGG: Added support for PPISD in SD Card driver
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- WBW: Implemented screen saver in PropIO and ParPortProp (5 minute timeout)
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Version 2.0
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-----------
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- WBW: Implemented Banked BIOS (drivers in separate bank)
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- DGG: Updated in-situ flash utility for greater chip compatibility
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- WBW: Updated FDTST to latest version (improved support for 5.25" and 8" media)
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- WBW: Added ParPortProp driver
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- DWG: Entire new suite of Apps written in Aztec C
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- DWG: BANKER.COM - displays bank identification and version information
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- DWG: CPMNAME.COM - displays CBIOS header data and SYSCFG data, names and vaues
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- DWG: CHARS.COM - displays ascii map as reference
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- DWG: CLS.COM - clears screen
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- DWG: LABEL.COM - displays and changes drive labels for drives with reserved tracks
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- DWG: MAP.COM - like old map command, displays drives and logical unit labels and changes LU values
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- DWG: META.COM - like old metaview command displays and edits drive metadata
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- DWG: REM.COM - used in submit files
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- DWG: SYSGEN.COM - replaces old writesys command, much nicer, more flexible
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- DWG: TERMTYPE.COM - like old termtype, displays and changes terminal type
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- DWG: VIEW.COM - displays drive DPH and DPB, with addresses, 4-up
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- WBW: Updated FDTST to v3.0 (support for sector interleave in format)
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- DGG: Support for CSIO based SD access for N8
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- DWG: Added DWG-APPS.MAN file to ROM describing command line syntax of new applications
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- WBW: Prebuilt ROMs are now all 512KB -- works fine on a 1MB ROM
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- WBW: Added driver for SIMH AltairZ80 hard disk (HDSK)
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- WBW: Added support for SDHC/XC card to SD Card driver
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- DWG: Extra Apps can be downloaded from Apps/apps-bins (limited to 100K in ROM)
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- DWG: /XSource/Makefile is work in progress for Mac OS X build (experimental)
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- WBW: Updated SIMH build for latest SIMH release v3.9
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Version 1.5.2
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-------------
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- DGG: Added in-situ flash programming application
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- WBW: Added support for 8" floppy drives
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- WBW: Upgraded FDTST.COM to version 2.7a on ROM disks
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- DWG: Minor fixes to METAVIEW, and MAP
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- DGG: Fixes for makefile.linux
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Version 1.5.1
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-------------
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- WBW: Added ZSDOS clock drivers (see Support\Clock)
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- WBW: Overhaul of ZSystem ROM Disk (see Doc\ZSystem.txt)
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- WBW: Update PropIO ANSI emulation for compatiblity with ASSIGN
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- DWG: Added version tags to all applications, and IDENT program to
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check version of utilities.
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- DWG: Added MULTIFMT program which prepares new media for use by
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initializing the metadata and clearing the directory sectors of
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all logical units on a specific drive (IDE,PPIDE,PRPSD,SD).
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- DWG: Enhanced MAP program combines the functionality of DRIVES,
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SLICES, and MAP. DRIVES and SLICES have been removed.
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- DWG: ANALYSE and HELLO programs removed from ROM due space concerns
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- DWG: Additional macro librarties added supporting program identification
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(IDENTITY.LIB/ASM) and access to drive metadata (METADATA.LIB/ASM),
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and realtime selection of logical units from within new application
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programs (LOGICALS.LIB/ASM).
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- DWG: Added TERM_VT52 for VDU compatbility, all apps now compliant
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- DGG: Contributed Linux build (see Doc\BuildLinux.txt)
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Version 1.5
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-----------
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- WBW: Upgraded XModem to version 12.5
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- WBW: Added support for PropIO (RomWBW specific firmware required on PropIO)
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- WBW: Corrected RTC application for N8 (it now works)
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- WBW: Included updated FDTST v2.6 w/ support for 5.25" floppy drives
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- WBW: Added OS support for 5.25" drives
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- DWG: New Apps ACCESS, ANALYSE, FINDFILE,HELLO,METAVIEW,NOACCESS,RTC2012
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- DWG: RMAC macro files re-written as hybrid libraries making executables smaller and faster
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- DWG: Loader displays logical unit label with other stats
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- DWG: CPMNAME enhanced to support new PROP I/O SD
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- DWG: Much more inline doc in Apps source code
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- DWG: Add ACCESS to verify file present in submit
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- DWG: Add ANALYSE as sample program demonstrating macro usage
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- DWG: Add FINDFILE to locate file(s) in any Logical Unit (slice)
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- DWG: Add HELLO as clasic hello world sample
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- DWG: Add METAVIEW to display and manage file system metadata
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- DWG: Add NOACCESS to verify file not present in submit
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Version 1.4
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-----------
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- DWG: Add various .SUB files used for application maintenance
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- DWG: Enhanced utility building .SUB files to only contain libs utilitized
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- DWG: Add BUILD.SUB to build all applications and DEVFILES.LBR
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- DWG: Add/update RMAC macro libraries used in Apps -
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- DWG: BIOSHDR, STDLIB, STRCPY, STRLEN, CPMBIOS, CPMBDOS, TERMINAL, HARDWARE,
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- DWG: CPMAPPL, GLOBALS, ATOI, LUBIND, APPLVERS, MEMORY(memcpy,memset), PORTAB
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- DWG: Add/Repair BIOS support for Boot Drive login during CP/M Coldstart
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- DWG: All Apps utilities now licensed with GNU Public License v3
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- DWG: DRIVES utility now dispays labels for drives with reserved track(s)
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- DWG: DEVFILES.LBR now include just .ASM, .LIB, and .SUB files
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- DWG: Updated CPMNAME for latest config changes, added paging
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- DWG: Add REM utility for use in SUBMIT files
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- DWG: Add STOP utility to terminate execution of SUBMIT files
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- DWG: Add PAUSE utility to pause the execution of SUBMIT files
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- DWG: Add REQ1PARM utility to verify a parameter was specified
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- DWG: Add HEADER utility to display addresses of BIOS header data items
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- DWG: Add command line MAP utility "map A: 23" for use general use and in SUBMIT files
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- DWG: Retired PPIDELUx utilities in favor of new MAP utility
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- DWG: Add SLICES utility to display labels of all slices on current drive 3/line, formatted
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- DWG: Add LABEL utility to insert label into drive/slice metadata
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- DWG: Add 16 char label field to metadata
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- DWG: ASSIGN utility displays and manipulates DPH/DPB & logical unit parameters
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- DWG/WBW: Collaborated on design of Logical Unit DPH enhancemnt
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- WBW: Proposed MAP utility functionality
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- WBW: Implement slice selection API for DSK devices
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- WBW: Record boot drive in config memory at load time
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- WBW: Add DSKY_KBD flag to util.asm so that keyboard routines can be built only when needed to save space in CBIOS
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- WBW: Support 16550 UART FIFO (selectively via config, enabled where available)
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- WBW: Remove B: default from xmodem (default to current drive)
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- WBW: Consolidate xmodem code variations using conditionals
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- WBW: Add xmodem variation for N8 ASCI1 (N8 now has XM0 & XM1 instead of XM)
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- WBW: Remove CCP extension that searches USER 0 area for executables
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- WBW: Reset drives when exitting FDTST (media format may have changed)
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- WBW: Switch from VDE to ZDE
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- WBW: Added signature to system image prefix
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- WBW: Modified SD card disk layout for consistency with other media (existing sd cards need reformatting!)
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- WBW: Upgraded ZSDOS from v1.1 to v1.2
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- WBW: Modified build so that separate ('_z') config files are no longer needed
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Version 1.3.3
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-------------
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- WBW: Changed startup banner for ZSystem builds
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- WBW: Modified XM for ZSystem builds to default to current drive
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- WBW: Included zsdos.lbr in Support directory
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Version 1.3.2
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-------------
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- WBW: ZSDOS/ZDDOS support added
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- WBW: ZCPR support added
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Version 1.3.1
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-------------
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- WBW: Updated FDTST application to handle faster (20MHz) systems, slower is OK
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- WBW: Small fix to SD card driver to handle card init failure in rare situations
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- DWG: Updated WRITESYS to improve SELDSK BIOS call compatibility
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Version 1.3
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-----------
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- DWG: WRITEIMG renamed to WRITESYS, works on PPIDE, CPM.SYS added to ROM
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- DWG: TERMTYPE gets and sets terminal type
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- DWG: PPIDELUX programs will dynamically select storage "slice" on device
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- DWG: DRIVES utility will show current drive mappings
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- DWG: CPMNAME utility enhanced to include all new config settings
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- DWG: DEVFILES Douglas Goodall's Development Environment added to Apps
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- DWG: Configured Wordstar and front end utility added to Apps
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- DWG: Added drive mapping display to loader
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- DWG: Added "Logical Unit" support for PPIDE (allows full use of media)
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- DWG: Designed Application Package format and Protocol
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- WBW: Implemented IOBYTE and character device driver interface abstraction layer.
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- WBW: Mapped VDU to CRT: device (N8VEM SBC w/ VDU hardware only)
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- WBW: Implemented second UART for N8 as UC1: device
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- WBW: Implemented SD driver (N8 only)
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- WBW: Implemented hot swap for SD driver (N8 only)
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- WBW: Added DSKY display for SD driver (N8 only)
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- WBW: Corrected keymap in VDU driver (N8VEM SBC w/ VDU hardware only)
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- WBW: Removed filler and allocated space to rom extension area
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- WBW: Added new standard build configurations for N8 (fd, sd, ppide)
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- WBW: Implement DBGCON selection (UART or VDU)
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- WBW: Implement LDRCON selection (UART of VDU)
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- WBW: Made ROM size selection part of build command
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- WBW: Made processor selection (Z80 vs. Z180) part of build command
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Version 1.2
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-----------
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- DWG: Updated CPMNAME and WRITEIMG utilities
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- WBW: Added N8 support (minimal, based on work by David Giles, but not as robust as N8RomDG).
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- WBW: Added support for VDU board (code from Andrew Lynch, Dan Werner and James Moxham)
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- WBW: Boot loader configurable for auto-selection w/ timeout (as requested by Bob Devries)
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Older Stuff
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-----------
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This work is all derived from JC110508. Note that JC110508 included
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the fix for DPB in CBIOS for large ROM drive. Specifically, EXM_5
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was changed from 1 -> 0 (as it should have been).
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1) Fixed the stack location in loader-b.asm. LOADER.COM was not working
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for me without this change.
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2) Fixed the size of the ccp+bdos+cbios in bloader.asm and loader-b.asm.
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It was too small before and would be a potential problem depending on
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how many of the optional features were enabled.
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3) Fixed the "MON" command in cpm. It was jumping to an old/bad location.
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I modified the way it works a bit to handle the situation where it can
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become overlaid. There is now a routine in cbios.asm to reload it and
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branch to the warm start location. The address of the cbios routine is
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now saved in the cbios scratch area of zero page (40H) so that ccp does
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not need to have a hard coded location in it.
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4) Corrected ROM memory layout a bit. Small ROM drive was starting at the
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wrong location (4800H). It should have been 5000H. So, I gave the loader
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2K more space. Required modifications to bloader and cbios. Renamed
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'romdsk.dsk' to 'romdsk.dat' to help alert folks to the fact that this is
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a different image and allows "clean" to remove anything with a suffix
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of '.img'.
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5) Changed bloader to allow selection of DSKY or UART monitor using JP2.
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A single ROM can now be dynamically configured to start via DSKY or UART.
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6) Fixed small ROM disk DPB in cbios. Changed DSM_6 from 31 -> 11. Based
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on blocksize of 1024 and the fact that it is now a 12K area, 11 is the
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correct value. Also fixed EXM_6 from 1 -> 0 (per DRI spec).
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7) Moved startup message from warm boot to cold boot. Also moved VDU init
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to cold boot -- seems appropriate, but I have no way to test this yet...
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8) More DPB tweaks. I have reviewed the floppy and RAM/ROM DPB's. I have
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not looked at ATAPI or IDE. May still be problems in those.
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9) Complete overhaul of build scripts. Reworked makefile to be compatible
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with the make utility from gcc and created MakeRom.cmd to invoke the gcc
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make utility. Created a PowerShell script as an alternative way to create
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ROM (BuildRom.ps1) and created BuildRom.cmd to invoke it. Final ROM
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image is now called rom.img -- made more sense to me, but I have no
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compelling justification for changing that. BuildRom2.bat is still
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there and I think it works.
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10) Played with the startup message in cbios a bit. Extracted the "build"
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id and moved it to the top of the file. My intent is to make it easy to
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update. Ultimately, I wold prefer that it be updated with the current
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date of the build as part of the build scripts, but still debating how
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best to accomplish that.
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11) Related to #10, I have extracted the 3rd party build tools into sibling
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directories. So, for example, tasm is now found at tasm32. This makes it
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very easy to update the 3rd party tools and to clearly differentiate the
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3rd party tool files. All build script have been updated as needed.
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12) Removed ALL enable interrupt (EI) instructions in CBIOS. By leaving
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interrupts disabled the BIOS will now start OK even if some vagrant
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hardware is asserting an interrupt (DISKIO). Seems like this is better
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anyway -- general idea is that we only enable interupts precisely
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when desired for very specific controled purposes since there is no
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concept of interrupt dispatching available.
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