CONTENTS
3-6 DISK
INPUT/OUTPUT
SYSTEM
INTRODUCTION
..
........ ........... ...... ............. ..........
...
1
APPLICATIONS INTEREST ......... ............. ........ ....... 1
SYSTEMS INTEREST ................................................ 1
Disl<
Format
............................................................ 2
The
Label Sector ..................................................... 3
MS-
DOS
AND
BIOS UTILISATION OF
THE
DISKS .......................................................................... 4
FAT's 1
and2
.......................................................... 4
Directory
........................... ;..................................... 4
Character
Font
........................................................ 4
Key board
table
........................................................ 5
SYSINIT .................................................................. 5
BIOS code ................................................................ 5
MS-DOS 2.0 ............................................................ 5
Configuration
data
................................................. 5
3-7 BOOT ROM
INTRODUCTION
. ...... ............. ...... ..... ........ ...... ... ..... 1
APPLICATIONS INTERST ...... .......... ............... ........ 1
Software
Reset
........................................................ 1
Logo display ............................................................ 1
3-8 CALCULATOR
INTRODUCTION
....... ............... ............ ................... 1
APPLICATIONS INTEREST . ... .... .......... ......... ...... .... 1
SYSTEMS INTEREST ............ ......... .... ........ ........... .... 2
3-9
SOUND
GENERATION
INTRODUCTION
..... .............. ........... ........ ......... ...... 1
APPLICATIONS INTEREST ... .... .... ................. ......... 1
3-10 AUXILIARY DEVICE/SERIAL PORT
INTRODUCTION
................... ........ ......... ........ ......... 1
APPLICATIONS INTEREST ..................................... 1
SYSTEMS INTEREST .............. ................. ........ ... ...... 1
Modem
Control
Through
the
AUX
Device
........... 2
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