Re: [PATCH] hw/intc/i8259: Implement legacy LTIM Edge/Level Bank Select

[David Woodhouse]

On Thu, 2023-03-02 at 09:06 +0000, David Woodhouse wrote:
> Back in the mists of time, before IBM PS/2 came along with MCA and added
> per-pin level control in the ELCR register, the i8259 had a chip-wide
> level-mode control in bit 3 of ICW1.

Actually... I think MCA might have been level triggered system-wide,
and still used this LTIM bit. Per-pin control via ELCR probably came in
with EISA?

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