Atari 400 Technical Reference Manual page 8

P r in t e r Ha n d 1 e r ( P: )
CIa Function Descriptions
Theory of Operation
Dis k F i 1 e Ma nag e r ( D: )
CIa Function Descriptions
DevicelFilename Specification
Filename Wildcarding
Special CIa functions
Theory of Operation
FMS Diskette Utilization
Non-CIa 110
FMS BOOT RECORD FORMAT
BOOT PROCESS MEMORY MAP
VOLUME TABLE OF CONTENTS
FILE DIRECTORY FORMAT
FMS FILE SECTOR FORMAT
Resident Device Handler Vectors
Resident Diskette Handler
Diskette Handler Commands
Serial Bus 1/0
6 INTERRUPT PROCESSING
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Chip-Reset 103
Nonmaskable Interrupts 103
Stage 1 VBLANK Process 104
Stage 2 VBLANK Process 105
Maskable Interrupts 107
Interrupt Initialization 108
System Timers 109
Usage Notes 109
POKEY Interrupt Mask 110
Setting Interrupt and Timer Vectors 110
Stack Content at Interrupt Vector Points 111
Miscellaneous Considerations 112
Flowcharts 113
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