- Invent a time machine.
- Go back to 1982 and use the highest quality tape you can afford.
- Come back, and sacrifice a lamb upon The Stone of Sinclair.
- Connect all cables and position the tape in the recorder.
- Bow three times to the East.
- Click your ruby slippers together and repeat: "This time it will work, this time it will work,..."
- Set your tone and volume control to where they were 35 years ago that one time when this file loaded back properly.
- Secure the RAM pack to the motherboard with cross-beams, bailing wire, hotglue, and duct tape.
- Enter LOAD "" and press New Line.
- Immerse the computer, (especially the LM7805), and RAM pack in liquid nitrogen.
- Close your eyes and hope as you press PLAY.
- Discover to your horror that you missed and hit RECORD and PLAY.
- Exhale deeply, and go play Doom on your 486 laptop.
How to Load a Program
How to Load a Program
There has been much discussion of late upon the perils of loading a decades-old Sinclair ZX81 program from cassette tape, and the best volume control setting etc. to use. I humbly feel that the following method, developed after years of research, yields the most consistent results:
- 1024MAK
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Re: How to Load a Program






Mark
ZX81 Variations
ZX81 Chip Pin-outs
ZX81 Video Transistor Amp
Standby alert 
There are four lights!
Step up to red alert. Sir, are you absolutely sure? It does mean changing the bulb
Spring approaching...
ZX81 Chip Pin-outs
ZX81 Video Transistor Amp


There are four lights!
Step up to red alert. Sir, are you absolutely sure? It does mean changing the bulb

Spring approaching...
Re: How to Load a Program

5-TS1000,UK ZX81<-Sheelagh, US ZX81, 2-TS1500/KDLX , 3-TS2040 printer, 2-TS2020 cassette decks, ZXPAND+AY, ZeddyNET, ZXBlast, UDG, ZX8CCB, AERCO, BUILDS/REPAIRS ZX Spectrum, ZX80 Minstrel, ZXMAX48 v1 v2, 2-TS-2068, ROM, 16kRAM
- Ed in SoDak
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- Joined: Thu Jul 24, 2014 1:03 am
Re: How to Load a Program
I built this loader circuit. Copy it exactly and you can't fail!
-Ed

-Ed
Re: How to Load a Program
Thanks Ed in SoDak,
Do you plan to rebuild this "Loading-failure exhauster" ?

Do you plan to rebuild this "Loading-failure exhauster" ?

Xavier ...on the Facebook groupe : "Zx81 France"(fr)
- Ed in SoDak
- Posts: 24
- Joined: Thu Jul 24, 2014 1:03 am
Re: How to Load a Program
Yes, certainly! I see from Ian's post I must wire in a pair of Ruby Slippers. How could I have missed that?
-Ed

-Ed