User guide

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First: On the current drive, under the current user number
Second: On the current drive, under the default user number
Third: On drive A:, under the default user number
The default user number can be set with the "DFU" command described above.
Suppose we go back to the above example. You are logged onto drive B:, under u ser 5. The file
you wish to load is on drive A: under user 3. With ZCPR you could enter the following:
B5> DFU 3 B5>
MBASIC
And MBASIC.COM would be loaded from drive A: user 3. The search would take place as follows:
First: Search drive B: under user 5 - can't find it
Second: Search drive B: under user 3 - can't find it
Third: Search drive A: under user 3 - found it
With the standard CCP, you would have to first select drive A:, then switch to user 3, then enter the
command. When MBASIC finally loaded, drive A: would be the default drive.
In most cases, all operations take place under user 0, so there is no need to use the DFU
command, as 0 is already the default user. This means that you need not worry about what drive
you're logged onto when you try to load a program from drive A:, ZCPR will find it. You will find
this to be a very convenient feature.
NOTES ON 4 MHZ OPERATIONS
A number of 4 MHz conversions have become available in the past several months for the H-89
computer. Unfortunately, they vary widely in their completeness and technical correctness. For
the most part, these are poorly executed "quick and dirty" conversions, and little or no
consideration has been given to any compatibility problems which might arise with existing
hardware and software. Because of this, Livingston Logic, as well as many other vendors, has been