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8080 README update

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Jeff Parsons 2016-04-21 11:57:10 -07:00
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devices/pc8080/machine/invaders/README.md
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@ -13,14 +13,17 @@ Space Invaders (Under Construction)
--- ---
This is the first test of [PC8080](/modules/pc8080/), a new 8080-based machine emulator being added to the This is the first test of [PC8080](/modules/pc8080/), a new 8080-based machine emulator being added to the
PCjs Project. It's a work-in-progress, so there's not much to look at yet. PCjs Project. It's a work-in-progress, so there's not much to look at yet. And the goal is not to build
yet-another Space Invaders/Arcade Machine emulator -- that's been done many times over -- but to start with
a well-understood 8080-based machine architecture that doesn't need a lot of peripherals, and use it as the
first test case for another CPU that we can add to the PCjs toolbox.
The idea is to make [PC8080](/modules/pc8080/) sufficiently configurable so that it will work with a variety of The idea is to make [PC8080](/modules/pc8080/) sufficiently configurable so that it will work with a variety of
8080-based systems, including those with memory-mapped video displays (like Space Invaders), as well as simpler 8080-based systems, including those with memory-mapped video displays (like Space Invaders), as well as simpler
terminal-based systems, like the CP/M-based systems of old. terminal-based systems, like the CP/M-based systems of old.
In fact, as soon as Space Invaders is working, my next adaptation will be a DEC VT-100 terminal emulator, which is In fact, as soon as Space Invaders is working, my next adaptation will be a DEC VT100 terminal emulator (itself
itself is an 8080-based machine. an 8080-based machine) which can then "wired up" to other PCjs machine simulations.
Assorted [Space Invaders Hardware Notes](#space-invaders-hardware-notes) are collected below. Assorted [Space Invaders Hardware Notes](#space-invaders-hardware-notes) are collected below.