kf8259's Introduction

KF8259 - 8259/8259A-like Interrupt Controller written in SystemVerilog

About

KF8259 is programmable interrupt controller like 8259/8259A.

Differences from original

Clock synchronization
I/O ports is separated into input and output port

Features

MCS-80/85 Mode / 8086 Mode
Fully Nested Mode
End of Interrupt
Automatic End of Interrupt(AEOI) Mode
Automatic Rotation
Specific Rotation
Interrupt Masks
Special Mask Mode
Poll Command
Reading the 8259A Status
Edge and Level Triggered Modes
Buffered Mode
Cascade Mode

Block

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