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Re: [PATCH v2 09/12] mos6522: record last_irq_levels in mos6522_set_irq(


From: Laurent Vivier
Subject: Re: [PATCH v2 09/12] mos6522: record last_irq_levels in mos6522_set_irq()
Date: Thu, 3 Mar 2022 20:56:33 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0

Le 24/02/2022 à 12:59, Mark Cave-Ayland a écrit :
To detect edge-triggered IRQs it is necessary to store the last state of each
IRQ in a last_irq_levels bitmap.

Note: this is a migration break for machines which use mos6522 instances which
are g3beige/mac99 (PPC) and q800 (m68k).

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---
  hw/misc/mos6522.c         | 11 +++++++++--
  include/hw/misc/mos6522.h |  1 +
  2 files changed, 10 insertions(+), 2 deletions(-)


Reviewed-by: Laurent Vivier <laurent@vivier.eu>





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