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Chapter 2. Getting Started the BHT and System Mode
Software Structure
System Programs and JIS Level 1 & Level 2 fonts are resident in the system area and
user area, respectively.
To use extension programs and user programs, you should download the program
files into the user area.
To use data files (e.g., goods master files) required for execution of user programs,
you should download those data files before execution of user programs. Those files
will be stored in the user area.
■ System Programs
The system programs include the following three sets of programs:
Drivers
Drivers is a set of programs that directly controls the BHT hardware. It may be called
up by the BHT-BASIC Interpreter or System Mode.
BHT-BASIC Interpreter
The interpreter interprets and executes instructions in user programs written in BHT-
BASIC.
⇔
Host Computer
User AreaSystem Area
Data
files
Program
files
User programs
JIS Level 1
& Level 2
font files
System
Programs