Progranuning Summary
............................
2-103
5
1/4"
Diskette Drive Adapter Internal Interface
5
1/4"
Diskette Drive Adapter External Interface
DPC
Registers
.................................
2-103
Drive Constants
................................
2-104
Comments
.....................................
2-104
System
I/O
Channel Interface
......................
2-104
Drive A and B Interface
...........................
2-106
Adapter Outputs
...............................
2-106
Adapter Inputs
.................................
2-107
Specifications
...................................
2-108
Specifications
...................................
2-109
5
1/4"
Diskette Drive
.............................
2-110
Diskettes
........................................
2-111
Mechanical and Electrical Specifications
............
2-112
Memory
Expansion
Options
......................
2-113
Operating Characteristics
..........................
2-113
Memory Module Description
.......................
2-114
Memory Module Pin Configuration
.................
2-114
Switch Configurable Start Address
..................
2-115
Game
Control
Adapter
...........................
2-117
Game Control Adapter Block Diagram
..............
2-117
Functional Description
............................
2-118
Address Decode
................................
2-118
Data
Buss Buffer/Driver
........................
2-118
Trigger Buttons
.................................
2-118
Joystick
Po~tions
..............................
2-118
I/O
Channel Description
..........................
2-119
Interface Description
..............................
2-119
Joystick Schematic
................................
2-121
Game Control Adapter (Analog Input) Connector
Specifications
...................................
2-122
Asynchronous
Communications
Adapter
..........
2-123
Asynchronous Communications Adapter Block
Diagram
.......................................
2-124
Modes of Operation
...............................
2-125
I/O
Decode for Communications Adapter
.........
2-125
Interrupts
......................................
2-126
Interface Description
..............................
2-126
Current Loop Interface
..........................
2-127
Voltage Interchange Information
..................
2-128
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