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Tandy 1000 Programmer's Reference Guide

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Chapter
1
I
System Calls
Getverify
Flag
Return Current Setting
of Verify
Function Call
54H
Returns the current setting of the verify flag.
Entry Conditions:
AH
=
54H
Exit Conditions:
AL
=
current verify
flag
value
OOH
=
off
OIH
=
on
Error Returns:
None.
Example:
GetVerifyFlag
eq"
54H
mov
ah,
GetVerifyFlag
int
21
H
134

Table of Contents

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Tandy 1000 Specifications

General IconGeneral
ProcessorIntel 8088
Processor Speed4.77 MHz
RAM128 KB (expandable to 640 KB)
Operating SystemMS-DOS 2.11
ManufacturerTandy Corporation
Release Year1984
StorageSingle or double 5.25" floppy disk drive (360 KB), optional hard drive
SoundTandy 3-voice sound
PortsParallel, Serial
GraphicsCGA (Color Graphics Adapter)
Graphics Modes320x200, 640x200

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