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Text File
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1979-12-31
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2KB
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34 lines
-MBUG.169 BDOS replacement and enhancer.
169.01 SUPERDOS.LBR 69K F6 23 Original system
169.02 Z80DOS .LBR 155K 4D 66 Original Z80DOS up-grade
169.03 Z80DOS2B.LBR 124K 9B 33 Up-graded Z80DOS with semi-
automatic installation.
169.04 READ .ME 2K 14 E0 How to install on Microbees
NOTE:
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Z80DOS is a replacement for CP/M's Basic Disk Operating System, or BDOS,
for computers having a Zilog Z80 microprocessor. Z80DOS supports all of the
standard CP/M 2.2 BDOS functions, and adds several new functions and
enhancements.
When Z80DOS detects a changed disk, it resets the disk system rather than
aborting with a read-only error message as CP/M does. NO more ^C !!!!!!!
Files may be made "public" (available from all user areas on a disk) by
setting the high bit of the second character of their filename (f2 bit).
Public files cannot be referenced by wildcards. This feature is normally on,
and may be turned off by setting bit 1 of address Z80DOS+19 to zero.
Disks of up to one gigabyte and files of up to 32 megabytes are possible
under Z80DOS.
Z80DOS provides the user with more information when an error occurs. The
type of error, the function call which produced the error, the drive letter,
and the filename (if any) associated with the function call are all displayed.
Z80DOS provides file Date and time stamping.