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- 0 rem << rr43-3 >>
- 1 rem =================================
- 2 print"[147] [207]ptical [207]scillator"
- 3 rem rupert report #43
- 4 rem -------c64 and c128------
- 5 rem > drive led from motor output
- 6 rem (pin c-3) of cassette port.
- 7 rem > read cadmium sulphide photocell
- 8 rem from button a input (pin 6) of
- 9 rem joystick control port 2.
- 10 rem =================================
- 20 poke 0,peek(0) or 2^4 :rem set ddr so bit 4 of address 1 is an output.
- 30 poke 1,peek(1) and not 2^4 :rem clear bit 4 of address 1
- 40 poke 192,1:rem set $192 to keep motor off
- 50 l1=peek(1) and not 2^5 :rem led on
- 60 l0=peek(1) or 2^5 :rem led off
- 70 if (peek(56320) and 16)=16 then poke 1,l1 :print "on",
- 80 if (peek(56320) and 16)= 0 then poke 1,l0 :print "off",
- 90 goto 70
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