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- Subject: Re: A bit more on bits...
- From: Francisco Olarte <folarte@...>
- Date: Thu, 16 Feb 2023 19:10:01 +0100
On Thu, 16 Feb 2023 at 15:05, Lorenzo Donati <lorenzodonatibz@tiscali.it> wrote:
> The AVR 8-bit architecture (used in ATmega328 MCUs, for and other uChip
> former Atmel MCUs) has a half carry bit in its flag register.
it's useful, specially in slow processors, how many have used the
classic Z80 sequence
add ax,0x40
daa
adc ax,0x90
daa
Francisco Olarte.