Agemixer (00:42:41)
mir, some real demo-worth CPU code trickery here aswell (not always easy ones): https://codebase64.org

Agemixer (00:38:51)
haha. oki, goodniters!

mirrorbird (00:38:00)
well hyvää yötä. i'd like a quiet beer with you Age, you're very nice to talk to. most nectas i imagine the "unquiet" beer (falling under the table). which is at least 'scene'. bye bye.

mirrorbird (00:37:55)
there's BCD stuff in z80. but i'm sure that only makes mult div harder

Agemixer (00:37:28)
since there's no mul or div command in 6502 / 6510, have to workaround with bit rotations and ADD/SUB commands, but there are some clever fast algos to do the thing in minor resources involved

mirrorbird (00:35:09)
err i don't think there was a 'good' multiply instruction assuming you can't possibly mean a basic shift.

mirrorbird (00:34:47)
i think there was a bug in one of the z80 shifts. oh boy.

mirrorbird (00:34:32)
you've just reminded me

Agemixer (00:33:07)
was there a multiple and divide command in z80

Agemixer (00:31:51)
must go sleep soonish... there's a kokous in the evening

Too Old

TJ TechnoiZ (Anton Shmidt)

mirrorbird

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