Tandy 1000 Programmer's Reference Guide

Index
BIOS services (cont.)
services, keyboard 192, 193-194
system clock 192, 208-209
video display 192, 195-203
boot sector 183-184
bootstrap
191
buffer
input 43
type-ahead 46
buffered keyboard input 43-44
build
BPB 178-183
change attributes
115
change the current directory 105
character
displaying 34
inputting 33
receive 205
transmit 205
printing 37
attribute 195
chdir 105
check keyboard status 45
child process 127-130
chmod 115
clock device 187
clock, system 208-209
close
110
close a file handle 110
close file 51
color
graphics 196
palette 195-201
write attribute 200
column-light pen position 195-198
column, cursor position 197
com port 204-206
reset 204
com status, current 205
command code field 178
command processor 161
communications, serial 204
con device 195
coninput 40
238

Tandy 1000 Specifications

General

Processor	Intel 8088
Processor Speed	4.77 MHz
RAM	128 KB (expandable to 640 KB)
Operating System	MS-DOS 2.11
Manufacturer	Tandy Corporation
Release Year	1984
Storage	Single or double 5.25" floppy disk drive (360 KB), optional hard drive
Sound	Tandy 3-voice sound
Ports	Parallel, Serial
Graphics	CGA (Color Graphics Adapter)
Graphics Modes	320x200, 640x200