Charlie's Red Ant - a ROM instruction that reads throughout memory

Discussion about ZX80 / ZX81 Software
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sirmorris
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Joined: Thu May 08, 2008 4:45 pm
Location: oxon, uk

Re: Charlie's Red Ant - a ROM instruction that reads throughout memory

Post by sirmorris » Wed Sep 13, 2017 12:07 am

Andy Rea wrote:
Tue Sep 12, 2017 7:56 pm
Just for fun.... :lol:

REDSINC.P

regards Andy .
I've just run this now. I have to say I was quite disappointed when running it on actual hardware ... :lol:

But in EO with the memory view open it is a proper treat. Thanks Anty!
--=== ZXpand+ ... A more moderner all-in-one upgrade solution for ZX81 ===--
* SD/MMC storage * 32K Hires-capable RAM * AY sound chip * Joystick port * Serial *
* BASIC enhancements - plug & play * Reset button * Auto-boot facility *

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stefano
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Re: Charlie's Red Ant - a ROM instruction that reads throughout memory

Post by stefano » Wed Oct 11, 2017 9:05 am

I wonder if it was initially thought as a cheap refresh trick.. the zx81 is so unconventional !

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Andy Rea
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Location: notts UK

Re: Charlie's Red Ant - a ROM instruction that reads throughout memory

Post by Andy Rea » Wed Oct 11, 2017 10:18 am

stefano wrote:
Wed Oct 11, 2017 9:05 am
I wonder if it was initially thought as a cheap refresh trick.. the zx81 is so unconventional !
I doubt that is the case, it's a little too slow for dynamic refresh.

Andy
6 x ZX81, 1 x TS1500 , 1 x +3e, 1 x timex 2040 printer, 1 x timex 2020 cassette deck, siclair printer and some spectrum

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