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Laser 128
User manual
VTech Laser 128 User Manual
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Table Of Contents
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Contents
Table of Contents
Bookmarks
Table of Contents
Safety Information
Power up Precaution
Setting of 40/80 Column Switch
Setting of ALT/STD Switch
Table of Contents
Overview
Features
Product View
Controls and Indicators
Preparation
Connecting the AC Power Adaptor
Connecting the Video Monitor/Tv
Starting up the Computer System
The Keyboard
Typewriter Keys
QWERTY Keyboard Layout
DVORAK Keyboard Layout
Cursor-Control Keys
Command Keys
The CTRL Key
Function Keys
The Video Display
The Numeric Keypad
Selecting a Suitable Video Display Device
Video Display Modes
Text Modes
40-Column Text
Graphics Modes
80-Column Text
Low-Resolution Graphics
Medium-Resolution Graphics
High-Resolution Graphics
Double-High-Resolution Graphics
Mixed Graphics/Text Display
Input/Output Ports
Built-In I/O Devices and Interfaces
Port 0 - 40-Column Display
Port 1 - Parallel/Serial Printer
Parallel Printer Commands
Serial Printer Commands
Printing Graphics with the Computer
Port 2 - Serial Communication
Port 3 - 80-Column Display
Port 4 - Mouse
Port 5 - Expansion Memory
Port 6 - 5.25" Disk Drive
Adjusting Drive Speed
Expansion Connector
Port 7 - 3.5" Disk Drive
Basic Manual
To Start Basic
Variables
Variable Names
Array Variables
Expressions and Operators
Arithmetical Operators
Logical Operators
String Operations
Relational Operators
Functional Operators
Some Background in Basic Programming
Line Format
Constants
Using a Printer with the Computer
Serial Printer
Basic Commands and Statements
Parallel Printer
Ampersand Command (&)
Call
Chrs$
Clear
Color
Cont
Data
Def FN
Del
DIM
Draw
Drawing Shapes
Setting up the Shapes
The Shape Table
Before Using Draw, Xdraw, ROT and Scale
Entering a Shape Table
End
Flash
For ... Next
Get
Gosub ... Return
Goto
Gr
Hcolour
Hrg Hrg2
Himem
Hlin
Home
Hplot
Htab
If ... Goto and if ... then ...
In#
Input
Inverse
Left$
Let
List
Lomem
MID$
New
Normal
Notrace
ONERR Goto
On ... Gosub and on ... Goto
Pdl
Peek
Plot
Poke
Pop
Pr#
Print
Read
Rem
Restore
Resume
Rights
Rot
Run
Scale
Scrn
Spc
Speed
Stop
Str$
Tab
Text
Trace
Usr
Vlin
Vtab
Wait
Xdraw
Basic Functions
Abs
Asc
Atn
Cos
Exp
Fre
Int
Len
Log
Pos
Rnd
Sgn
Sin
Sqr
Tan
Val
Speeding up Program Execution
Installation of Expansion RAM
Removing the Top Cabinet
Removing the Keyboard
Removing the Top Shield Plate
Inserting the Dynamic RAM Chips
Expansion Connectors Diagrams
Basic Error Messages
Can't Continue Message
Division by Zero Message
Illegal Direct Message
Illegal Quantity Message
Next Without for Message
Out of Data Message/Out of Memory Message
Overflow Message
Redim' Array Message
String too Long Message
Bad Subscript Message
Keys and the Associated Codes
Display Characters
ASCII Character Codes
Mathematical Functions
Summary of Basic Commands
List of Reserved Words in Basic
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Laser 128ex
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