mirror of https://github.com/wwarthen/RomWBW.git
Wayne Warthen
3 years ago
15 changed files with 181 additions and 297 deletions
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*********************************************************************** |
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*** *** |
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*** R o m W B W *** |
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*** *** |
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*** Z80/Z180 System Software *** |
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*** *** |
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*********************************************************************** |
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This directory ("Binary") is part of the RomWBW System Software |
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distribution archive. Refer to the ReadMe.txt file in this |
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directory for more information on the overall contents of the |
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directory. |
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RomWBW includes a set of disk images that are ready to copy onto |
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a floppy or hard/CF/SD disk. You can use your modern computer |
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(Windows/Linux/Mac) to copy the disk image file onto your disk |
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media. The disk media will then be ready to use in your RomWBW |
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System. |
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WARNING: The hdnew_*.img disk images are part of a new disk |
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format that is a work in progress. Do not use these disk |
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images without knowing exactly what you are doing! The |
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hd_*.img disk images continue to be the images you should |
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be using under normal circumstances. |
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A description of the disk images is provided later in this file. |
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For more information on the creatioin of these images including |
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instructions for customizing them or creating your own, refer to |
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the ReadMe.txt file in the Source\Images directory. |
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Installing Images |
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----------------- |
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The following instructions apply to Windows computers. Alternatively, |
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you can use the "dd" command on Linux or Mac. |
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First of all, a MAJOR WARNING!!!! The tools described below are |
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quite capable of obliterating your running Windows system drive. Use |
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with extreme caution and make sure you have backups. |
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To install a floppy image on floppy media, you can use the tool |
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called RaWriteWin. This tool is included in the Tools directory of |
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the distribution. This tool will write your floppy image (fd_xxx.img) |
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to a floppy disk using a raw block transfer. The tool is GUI based |
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and it's operation is self explanatory. |
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To install a hard disk image on a CF card or SD card, you must have |
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the appropriate media card slot on your computer. If you do, you can |
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use the tool called Win32DiskImager. This tool is also included in |
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the Tools directory of the distribution. It will write your |
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hard disk image (hd_xxx.img) to the designated media card. This tool |
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is also GUI based and self explanatory. |
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The use of the SIMH emulator is outside of the scope of this document. |
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However, if you use SIMH, you will find that you can attach the hard |
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disk images to the emulator with lines such as the following in your |
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SIMH configuration file: |
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| attach hdsk0 hd_cpm22.img |
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| set hdsk0 format=HDSK |
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| set hdsk0 geom=T:2048/N:256/S:512 |
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| set hdsk0 wrtenb |
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Making Disk Images Bootable |
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--------------------------- |
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The Operating System disk images below are ready to boot by the |
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RomWBW Boot Loader. However, if you update your RomWBW ROM, then |
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you should also update the system tracks of your bootable disk |
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images. You would use SYSCOPY to do this. SYSCOPY can also be |
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used to make a disk bootable if it is not already bootable. |
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You would use a command like the following to make drive C bootable: |
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| B>SYSCOPY C:=CPM.SYS |
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The system file to use depends on the operating system you are trying |
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to boot from the slice you are initializing with SYSCOPY: |
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CP/M 2.2 - cpm.sys |
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ZSDOS 1.1 - zsys.sys |
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CP/M 3 - cpmldr.sys |
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ZPM3 - cpmldr.sys |
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Slices |
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------ |
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A RomWBW CP/M filesystem is fixed at 8MB. This is because it is the |
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largest size filesystem supported by all common CP/M variants. Since |
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all modern hard disks (including SD Cards and CF Cards) are much |
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larger than 8MB, RomWBW supports the concept of "slices". This |
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simply means that you can concatenate multiple CP/M filesystems (up |
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to 256 of them) on a single physical hard disk and RomWBW will allow |
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you to assign drive letters to them and treat them as multiple |
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independent CP/M drives. |
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With the exception of the hd_combo image, each of the disk images |
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includes a single CP/M file system (i.e., a single slice). However, |
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you can easily create a multi-slice disk image by merely concatenating |
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multiple images together. For example, if you wanted to create a 2 |
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slice disk image that has ZSDOS in the first slice and Wordstar in |
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the second slice, you could use the following command from a Windows |
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command prompt: |
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| C:\RomWBW\Binary>copy /b hd_zsdos.img + hd_ws.img hd_multi.img |
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You can now write hd_multi.img onto your SD or CF Card and you will |
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have ZSDOS in the first slice and Wordstar in the second slice. |
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The hd_combo disk image is an example of this. It contains several |
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slices in one image file. The contents of this special disk image |
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are described below. |
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The concept of slices applies ONLY to hard disks. Floppy disks are |
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not large enough to support multiple slices. |
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Disk Image Contents |
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------------------- |
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What follows is a brief description of the contents of the |
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disk images automatically provided in the RomWBW distribution. |
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Note that all of the OS images include the RomWBW custom |
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support apps. |
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cpm22 - DRI CP/M 2.2 (Bootable Floppy and Hard Disk) |
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Standard DRI CP/M 2.2 distribution files along with a few commonly |
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used utilities. |
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zsdos - ZCPR1 + ZSDOS 1.1 (Bootable Floppy and Hard Disk) |
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Contains ZCPR1 and ZSDOS 1.1. This is roughly equivalent to the |
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ROM boot contents, but provides a full set of the applications |
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and related files that would not all fit on the ROM drive. |
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nzcom - NZCOM (Bootable Floppy and Hard Disk) |
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Standard NZCOM distribution. Note that you will need to run the |
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NZCOM setup before this will run properly. You will need |
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to refer to the NZCOM documentation. |
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cpm3 - DRI CP/M3 (Bootable Floppy and Hard Disk) |
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Standard DRI CP/M 3 adaptation for RomWBW that is ready to run. |
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It can be started by running CPMLDR. |
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zpm3 - ZPM3 (Bootable Floppy and Hard Disk) |
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Simeon Cran's ZCPR 3 compatible OS for CP/M 3 adapted for RomWBW and |
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ready to run. It can be started by running CPMLDR (which seems |
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wrong, but ZPMLDR is somewhat broken). |
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ws4 - WordStar 4 (Floppy and Hard Disk) |
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Micropro Wordstar 4 full distribution. This image is not bootable |
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and is intended to be added as an additional slice to an OS image. |
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bp - BPBIOS (Hard Disk only) |
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Adaptation of BPBIOS for RomWBW. This is NOT complete and NOT |
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useable in it's current state. |
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combo - Multi-Boot Combination (Bootable Hard Disk) |
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A pre-created combo image that contains the following slices. The |
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slices are identical to the individual images listed above. |
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Slice 0: cpm22 (bootable) |
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Slice 1: zsdos (bootable) |
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Slice 2: nzcom (bootable) |
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Slice 3: cpm3 (bootable) |
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Slice 4: zpm3 (bootable) |
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Slice 5: ws4 (not bootable) |
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