Hi Jojo,
Yes, a switch, a resistor and a 1n4148 on the upper bit swap the down and the upper Eprom content.
But, in case of a pig-back component, i don't know...
Search found 1950 matches
- Sun Jun 02, 2024 6:31 pm
- Forum: Hardware
- Topic: sinclair spectrum eprom swap gone wrong
- Replies: 1
- Views: 13
- Sun Jun 02, 2024 5:31 pm
- Forum: Hardware
- Topic: Is serial from the cassette ports possible?
- Replies: 6
- Views: 164
Re: Is serial from the cassette ports possible?
@Martin, ************************************************************************** * The International ZX81 Magazine Issue 1 March 1996 * * -------------------------------------------------- * * Editor: printer and postman: * * ------- -------------------- * * (letters, articles, adds, donations,.....
- Sun Jun 02, 2024 7:36 am
- Forum: Hardware
- Topic: Is serial from the cassette ports possible?
- Replies: 6
- Views: 164
Re: Is serial from the cassette ports possible?
Hi, The wiring diagram was designed to the Zx Spectrum (25 pins socket); the right 23 pins is suitable to the ZX81 too: Zx81_PIO_1.jpg ZX81/Spectrum wiring diagram: http://abandon.pcbs.free.fr/ZX81_International/ZX81_PIO.jpg Download: (Kicad/gerber projects) http://abandon.pcbs.free.fr/ZX81_Internat...
- Sun Jun 02, 2024 2:28 am
- Forum: Hardware
- Topic: Is serial from the cassette ports possible?
- Replies: 6
- Views: 164
Re: Is serial from the cassette ports possible?
More infos on a RS232 C? (12/5v?) simple wiring diagram: Issue Two ******************************* October 1996 The International ZX81 Magazine ******************************* Hello Dear ZX81 Friends, Welcome to this second issue of The International ZX81 Magazine. Isn't it great, this feeling that ...
- Sun May 12, 2024 6:47 pm
- Forum: Spectrum BASIC
- Topic: LOAD from within a program
- Replies: 2
- Views: 641
Re: LOAD from within a program
Hi David, It"s a Funny Spectrum's ROM bug ! :oops: The BASIC steel to execute the old program, and can't retrieve the end of the "LOAD" line. If you add "40 REM" in the "Prog2", the syntax error don't occur. I remember some specials chars like LOAD"!"... but the program can't be named in the LOAD co...
- Fri May 10, 2024 6:43 pm
- Forum: Spectrum BASIC
- Topic: displaying and animating UDG's on the spectrum
- Replies: 22
- Views: 14583
Re: displaying and animating UDG's on the spectrum
Heu , Samuel, putain tu déconnes. Tu me demandes un lien alors qu'il suffit de cliquer dans la fenêtre du programme ! Ca fait 10ans que je pense que tu es une IA à la con, mais là, fait une grèffe de cerveau et passe à Chat GPT... Sorry, it mean : Just click on the Spectrum logo in " UDG's Factory "...
- Thu May 09, 2024 8:16 pm
- Forum: Spectrum BASIC
- Topic: displaying and animating UDG's on the spectrum
- Replies: 22
- Views: 14583
Re: displaying and animating UDG's on the spectrum
Hi Crayon,
Just click on the Spectrum logo in "UDG's Factory".
Just click on the Spectrum logo in "UDG's Factory".
- Sun May 05, 2024 10:53 pm
- Forum: Hardware
- Topic: SCHEMA interface memotech I/F centronic type parallel printer interface
- Replies: 3
- Views: 1075
Re: SCHEMA interface memotech I/F centronic type parallel printer interface
Merci beaucoup pour vos réponses.
- Sun May 05, 2024 10:42 pm
- Forum: Spectrum BASIC
- Topic: Is there a way to convert an PNG or Jpeg into data statements?
- Replies: 3
- Views: 552
- Sat Mar 30, 2024 4:18 am
- Forum: ZX BASIC
- Topic: Tricks in BASIC
- Replies: 57
- Views: 125598
Re: Tricks in BASIC
Hi,
In BASIC, after a FAST/SLOW process, an unsightly scrolling can occur when exiting the FAST mode.
To avoid this dropout of the screen frame, just add a PAUSE before the SLOW commande:
Have fun.
In BASIC, after a FAST/SLOW process, an unsightly scrolling can occur when exiting the FAST mode.
To avoid this dropout of the screen frame, just add a PAUSE before the SLOW commande:
Code: Select all
10 FAST
(... your code..)
1000 PAUSE 0
1010 SLOW