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ZX Spectrum+ showing 16K of RAMHello again, as the title says my ZX Spectrum+ is showing only 16K of RAM instead of 48K when running a memory check. [url="http://www.1000bit.it/su…
... the commands:
PRINT PEEK 23732 + PEEK 23733 * 256
32767
POKE 32768,85 : PRINT PEEK 32768
213
ZX Spectrum+ showing 16K of RAMHello again, as the title says my ZX Spectrum+ is showing only 16K of RAM instead of 48K when running a memory check. [url="http://www.1000bit.it/su…
... , followed by PRINT PEEK as well?
POKE 32768,170 : PRINT PEEK 32768
PRINT PEEK 49152
POKE 49152,170 : PRINT PEEK 49152
Zx Spectrum 48k vertical black lines on boot problemHi all! I've just bought a Zx Spectrum 48k one eBay: all it was working goof but I made a mistake: I've extracted the Kempston interface before pl…
Zx Spectrum 48k vertical black lines on boot problemHi all! I've just bought a Zx Spectrum 48k one eBay: all it was working goof but I made a mistake: I've extracted the Kempston interface before pl…
0
[quote="Pobbit;913720"]what do you get if you do print peek 16384?[/quote]how do i get more udgs on the spectrum in basic?how do i get more udgs on the spectrum in basic? i know there r only supposed to be 21 but is there a way of getting more in basic? i know its doable…
... present value of RAMTOP type PRINT PEEK 23730 + PEEK 23731*256.
Trying to repair a Speccy 48k - No PulsingI've had this machine for ages. I'd I've been putting off fixing it for some time now. So a couple of days ago I pulled it apart and started prob…
... typed in the following:
PRINT PEEK 23732 + PEEK 23733 * 256
The ...ZX Spectrum +3 repairI have my first +3 here, and it needs repairs. Hoping someone here can help me out. When I power it on I get this screen with black and white line…
... can always do a [b]PRINT PEEK 19[/b] to find out ...How to load assembly language programs onto a ZX SpectrumHello, I have recently started learning Zilog assembly for the ZX spectrum, and have written a game and some simple programs. These all work fine in…
... : POKE 65535,170: PRINT PEEK 65535: POKE 65535,85: PRINT PEEK 65535.
If ...help with issue 3 48k speccy after recap and new tr4 and tr5I have a 48K speccy that was not working. After recapping and replacing TR4 and TR5 it came back to life However after a short while running weird …
... to run
[code]PRINT PEEK 23732 + PEEK 23733 * 256[/code]
and ...+3 - beeper sounds but no AY musicHi guys I am repairing a plus 3 revision 2 board that had no sound at all. Using schematics from https://zxnet.co.uk/spectrum/schematics/ I manage…
... or 4.1. Do a PRINT PEEK 19 in +3 BASIC. Version ...what does the USR command actually stand for?im sure its an acronym, if i remember rightly. ____ sub routine?
so like print peek usr "a" ?
-doesnt work btwwhat does the USR command actually stand for?im sure its an acronym, if i remember rightly. ____ sub routine?
[quote="digital;952498"]so like print peek usr "a" ?
... Now enter:
[code]PRINT PEEK USR “a”[/code]
Produces ... Now try:
[code]PRINT PEEK 65368[/code]
Produces
PRINT PEEK USR “a”[/code]
...+3 - beeper sounds but no AY musicHi guys I am repairing a plus 3 revision 2 board that had no sound at all. Using schematics from https://zxnet.co.uk/spectrum/schematics/ I manage…
... or 4.1. Do a PRINT PEEK 19 in +3 BASIC. Version ...what does the USR command actually stand for?im sure its an acronym, if i remember rightly. ____ sub routine?
[quote="digital;952498"]so like print peek usr "a" ?
-doesnt work btw[/quote]
Yes it does.48K Issue 2 RAM issuesI have 48K issue 2 board (I've checked, the upper memory is present!). It's not very well. I've not attempted to diagnose one before, so please bear …
... 32768,0 : PRINT PEEK 32768
POKE 32768,255 : PRINT PEEK 32768
... PRINT PEEK 32769
POKE 32769,170 : PRINT PEEK 32769
POKE 32769,0 : PRINT PEEK ... 32769
POKE 32769,255 : PRINT PEEK ...48K Issue 2 RAM issuesI have 48K issue 2 board (I've checked, the upper memory is present!). It's not very well. I've not attempted to diagnose one before, so please bear …
... ,0 : PRINT PEEK 32768
36
POKE 32768,255 : PRINT PEEK 32768
PRINT PEEK 32769
117
POKE 32769,170 : PRINT PEEK 32769
174
POKE 32769,0 : PRINT PEEK 32769
What to write / programme?I've been trying to get back some motivation to write something in machine code for the Spectrum. I don't feel I am organised enough to write somethi…
... /> Begin by exploring instructions like PEEK and POKE, and BIN,
20 PRINT PEEK 50000
Then look ...Disassembly's I'd love to seeThis is not meant as some kind of request thread, as that would be grossly cheeky to ask for (however muchI wanted it) but I somehow felt a need to p…
... by hand with just a PRINT PEEK and a IF > 32 ...Disassembly's I'd love to seeThis is not meant as some kind of request thread, as that would be grossly cheeky to ask for (however muchI wanted it) but I somehow felt a need to p…
... by hand with just a PRINT PEEK and a IF > 32 ...How to apart a 16K from a 48K?How can I understand that if i have a 16K or 48K? Thanks
... />
Use:
[code]PRINT PEEK 23732 + PEEK 23733 * 256[/code]
to ...
