Qume QVT-102 Guia de Instalação descarregar pdf (Página 19)

TELEVIDEO- Set to true if terminal type is Televideo 925 or

Qume QVT-108.

QUME102 - Set to true if terminal type is Qume QVT-102. The QVT-

102 is also a terminal without RAM paging capability.

CompuPro has not implemented buffered console screen

switching for this terminal, but it has implemented

code which does a clear screen and homes the cursor

after a screen switch.

PCBRD - Indicates presence of PC Graphics Board. Set to false

unless PC Graphics Board documentation indicates

otherwise.

CONBUFF - This is a value indicating how much memory to allot for

a console screen buffer. It is only significant if the

Z-19 equate is true or if you are developing console

buffering for a terminal other than those supported by

ComnpuPro.

Any equates in GLOBAL.EQU that are not explained above are not

intended for change by CompuPro at this time.

Editing the HEADENTR.A86 File

There are four basic areas which you might need to change in the

HEADENTR.A86 file:

1. Floppy disk specify bytes

2. SYSTEM SUPPORT I I/O port reinitialization string

3. I/O character device mapping tables

4. Terminal definition tables

These areas are explained below:

1. The floppy disk specify bytes are equates which determine

the step rate for both 5.25" and 8" floppy disks. Here are

explanations of the equates:

SRT8 - 8" floppy drive step rate. Set to "16 - 4" by VIASYN

for a step rate of 4 ms. The number subtracted from 16

is equal to the resultant step rate.

SRT5 - 5" floppy drive step rate. Set to "16 - 3" by CompuPro

for a step rate of 3 ms. Same formula as for SRT8.

2. The SYSTEM SUPPORT I is first initialized by the loader and

then reinitialization by the XIOS. The bytes for the second

initialization are represented in binary form on the fourth page

of the HEADENTR.A86 file. The programming comments in the code

explain clearly the functions of the bytes. For information on

how the bytes can be changed, consult the SYSTEM SUPPORT I

Technical Manual.

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Qume QVT-102 Guia de Instalação Página 19