Author Archives: nowhereman999

How to setup and use IRQs on the TRS-80 Color Computer – Part 5 – Advanced interrupt settings and using CoCo 3 specific interrupts

Table of Contents (click on a link to jump to that web page) Part 1 – What is an IRQ and when would I use it? Part 2 – Overview with an example program Part 3 – Can my IRQ … Continue reading

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How to setup and use IRQs on the TRS-80 Color Computer – Part 4 – Simpler ways to use interrupts on the CoCo

Table of Contents (click on a link to jump to that web page) Part 1 – What is an IRQ and when would I use it? Part 2 – Overview with an example program Part 3 – Can my IRQ … Continue reading

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How to setup and use IRQs on the TRS-80 Color Computer – Part 3 – Can the IRQ run without effecting BASIC?

Table of Contents (click on a link to jump to that web page) Part 1 – What is an IRQ and when would I use it? Part 2 – Overview with an example program Part 3 – Can my IRQ … Continue reading

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How to setup and use IRQs on the TRS-80 Color Computer – Part 2 – Overview with an example program

Table of Contents (click on a link to jump to that web page) Part 1 – What is an IRQ and when would I use it? Part 2 – Overview with an example program Part 3 – Can my IRQ … Continue reading

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How to setup and use IRQs on the TRS-80 Color Computer – Part 1 – What is an IRQ and when would I use it?

Table of Contents (click on a link to jump to that web page) Part 1 – What is an IRQ and when would I use it? Part 2 – Overview with an example program Part 3 – Can my IRQ … Continue reading

Posted in CoCo Programming | 1 Comment

Optimizing 6809 Assembly Code: Part 4 – Odds and Sods – More Tricks

Table of Contents (click on a link to jump to that web page) Part 1 – Quick and Easy Changes to Speedup Your Code Part 2 – Speedup Storing Data – Unrolling Loops Part 3 – Stack Blasting and Self Modifying Code … Continue reading

Posted in CoCo Programming | Tagged , , , | 2 Comments

Optimizing 6809 Assembly Code: Part 3 – Stack Blasting and Self Modifying Code

Table of Contents (click on a link to jump to that web page) Part 1 – Quick and Easy Changes to Speedup Your Code Part 2 – Speedup Storing Data – Unrolling Loops Part 3 – Stack Blasting and Self Modifying Code … Continue reading

Posted in CoCo Programming, Uncategorized | Tagged , , , , | Leave a comment