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Tandy 1000 Programmer's Reference Guide

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Chapter
1
I
System
Calls
Terminate
Address
Interrupt
22H
When
a
program terminates, control transfers
to
the ad-
dress at offset OAH of the Program Segment Prefix. This
address is copied into the Program Segment Prefix from
the Interrupt 22H vector when the segment
is
created.
You
can set this address using Function Call 25H.
15

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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