On 5/4/2024 7:57 AM, Kenneth Pettit wrote:
On the Tiny Tapeout discord channel, the engineer who submitted the
Z80 design said the z88dk toolchain was the "most mature". Looking at
it I believe he may be correct as it has a full compliment of tools
simialr to an GNU toolchain. It uses sdcc but with improvements /
enhancements and it is maintained (last commit was 2 days ago):
https://github.com/z88dk/z88dk
I tried it a few years back. It has all the same integration issues
(those are independent of the extensions).
The extensions are primarily to support the ZX Spectrum Next:
https://www.kickstarter.com/projects/spectrumnext/zx-spectrum-next , I
believe.
That has a Z80 inspired. FPGA-based CPU. It is architecturally similar
to the Z180, but with much more practical 8KiB MMU pages