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This lesson explains a reusable Z80 interrupt-handler template for Interrupt Modes 1 and 2. It covers register protection, stack-based reading and writing, interrupt control, safety restrictions, testing, and platform-specific code.
Syllabus
Introduction
Sample Code
Interrupt Handler
Interrupt Mode 2
Returning to Basic
Additional Options
Interrupt Handler Code
Safety Lock Command
Summary
Stack Misuse
ReadWrite Data
Platformspecific code
Shadow stack example
Shadow stack corruption
Shadow stack restrictions
Shadow corruption
Preloading
Disabling interrupts
When interrupts cannot occur
Example
Testing
Final Thoughts
Taught by
ChibiAkumas