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Tandy 1000 Programmer's Reference Guide

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Chapter
1
I
System
Calls
The filename separators are:
:.;,=
+[1/<>1
space tab
Filename terminators include all the filename separators
plus all control characters.
A
filename cannot contain a
filename terminator; if one is encountered, parsing stops.
Entry Conditions:
AH
=
29H
DS:SI
=
pointer to string to parse
ES:DI
=
pointer to a portion of
memory
to fill in with an
unopened FCB
AL
=
controls parsing (see above)
Exit Conditions:
IfAL
=
00H, then no wildcard characters appeared in the
IfAL
=
01H, then wildcard characters appeared in the file-
DS:SI
=
pointer to
the
first byte after the string that was
ES:DI
=
unopened FCB
Macro
Definition:
filename
or
extension.
name
or
extension.
parsed
parse macro
mov
mov
push
push
POP
mov
mov
int
POP
endm
jtring,fcb
51,off~et string
di,offset fcb
e5
d5
e5
a1,BFH ;bit5
0,
1,
2,
3
on
ah
,29H
21
H
e5
83

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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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