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Tandy 1000 Technical Reference Manual

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IBM PC
IBM PCjr
TANDY
l~~~
DATA
037A (037E)
037A
(037E)
037A
(037E)
BIT
~
~
= STROBE
~=
STROBE
~
= STROBE
BIT I
~
= AUTO FD XT
~=
AUTOFDXT
~
= AUTO FD XT
BIT 2
~
= INITIALIZE
~
= INITIALIZE
~
= INITIALIZE
BIT 3
~
= SELECT
PRINTER
~
= SELECT
PRINTER
~
= SELECT
PRINTER
BIT 4
1
= ENABLE
INTERRUPT
1 = ENABLE INTERRUPT
1
= ENABLE INTERRUPT
BIT 5
UNUSED
UNUSED
~
= ENABLE OUTPUT DATA
BIT 6
UNUSED
UNUSED
UNUSED
BIT 7 UNUSED
UNUSED
UNUSED
o
o
o

Table of Contents

Other manuals for Tandy 1000

Preview: User Guide
User Guide337 pages
Preview: Programmer's Reference Guide
Programmer's Reference Guide251 pages
Preview: Basic Reference Manual
Basic Reference Manual411 pages
Preview: Owner's Manual
Owner's Manual46 pages

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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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