Qume QVT-102 Guía de instalación descargar pdf (Pagina 15)

-sD188

8400:1D88 CF -- (Step rate byte for boot floppy, either 8" or

5.25". In this byte, the first nibble

determines the step rate. A value of FF is

for a step rate of 1 ms., EF for 2 ms., DF for

ms.,

CF for 4 ms. and so on to OF for 16

ms.)

8400:1D89 .

(This concludes the loader changes you can make using DDT86.

Any changes can be saved by typing "w" followed by the name

of the file to which you wish to save the results. To save

the changes in file "LDRNEW.88" type "wLDRNEW.88":)

-wLDRNEW.88

This completes the changes you may make to the parameters of the

XIOS file and LOADER.CMD file using DDT86.

CUSTOMIZING YOUR XIOS BY EDITING AND REASSEMBLING

You can customize much of the characteristics of the Concurrent

DOS 8-16 operating system by editing source code, assembling it,

linking it with other assembled code modules, and building it

into a CCPM.SYS file using the GENCCPM program.

This section explains what source code is supplied with

Concurrent DOS 8-16, how to edit it, and how to reassemble and

link it. All of the following changes require reassembling your

XIOS with DR Assembler + Tools, an assembler package not included

with Concurrent DOS 8-16 but available from CompuPro.

The Source Files

Four source files are supplied with the Concurrent DOS 8-16

distribution diskettes: HEADENTR.A86, GLOBAL.EQU, DPBS.EQU, and

DPBS.A86. Two other files are included by assembler directives

in the assembly of HEADENTR.A86 and must be present on the

working disk when the assembly process begins. These files are

SYSTEM.LIB and SYSDAT.LIB. A brief definition of each of these

files follows:

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Qume QVT-102 Guía de instalación Pagina 15