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z180 - relocate to Third Party/Z88DK

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Phillip Stevens 2020-04-21 14:02:11 +10:00
parent 2308387a34
commit c9f5e7f23d
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portable/SDCC/Z180/port.c → portable/ThirdParty/Z88DK/Z180/port.c vendored
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portable/SDCC/Z180/portmacro.h → portable/ThirdParty/Z88DK/Z180/portmacro.h vendored
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portable/ThirdParty/Z88DK/Z180/readme.md vendored Normal file
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<h1>z180 support</h1>
Description
-----------
This PR establishes support for a Zilog z180 port, using the Programmable Reload Timer 1, configured at 256 Hz.
Because of the generality of the z180, the address of the Interrupt Vector for PRT1 is configurable, and must be configured by the `crt0.asm` outside of this port. A configuration assumption has been made.
The two compilers ([used by the z88dk](https://github.com/z88dk/z88dk)) are supported. The sccz80 compiler and the sdcc compiler. The PR is located under Z88dk.
Background
-----------
This PR is based on running code for the [SC130](https://smallcomputercentral.wordpress.com/sc130-z180-motherboard/)/[SC131](https://smallcomputercentral.wordpress.com/sc131-z180-pocket-computer/) and [YAZ180](https://github.com/feilipu/yaz180) platforms, and is maintained by the z88dk team in this [z88dk-libraries](https://github.com/feilipu/z88dk-libraries/tree/master/freertos) repository.