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Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…
... , if you were to do RANDOMIZE USR 65345 (one higher) it will ... memory than you can 6 3/4 K chunks. If you ... -
Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…
... t=10*p*COS (r*3)
340 LET x=128 ... /> 380 LET b=SIN (r*3)
390 LET k=i ...
490 POKE 65349,s: RANDOMIZE USR 65344
500 REM ... also change the multipliers (r*3) and (r*4) to make ... sure you change both (r*3) or both (r*4) to ... -
Time Gate graphics patchI've rediscovered Time Gate and one thing I don't like about the game is that it's hard to remember what's what in the status indicators. The manual …
... a simple CLEAR/LOAD ""CODE/RANDOMIZE USR thing, I reckon I could ... is in system variables (about 3/4 of the way into ... " CODE 23599,31000:LET l=USR 28000
So does ... -
RANDOMIZE USR, PRINT USR etcHello just wondering why is it called RANDOMIZE UsR what does randomising have to do with it ? When calling machine code routine from adress x you ty…
... So, when you use PRINT USR 65368, you're executing ... of BASIC.
- RANDOMIZE will put it on the ... BASIC uses RND after that USR.
So, ... case would be 1, 3 and 4 because they ... launchs the game with RANDOMIZE USR 56576+USR 24700, a sentence that ... -
Recommend games that don't need the ROM ?I'm looking for a few games that: * Are freely available as .sna files * Do not need the ROM at all * Have motion on screen after snapshot resta…
... : NEXT A:
RANDOMIZE USR 37708: DATA 1,0,3,17,0,149 ... -
Recommend games that don't need the ROM ?I'm looking for a few games that: * Are freely available as .sna files * Do not need the ROM at all * Have motion on screen after snapshot resta…
... : NEXT A:
RANDOMIZE USR 37708: DATA 1,0,3,17,0,149 ... -
Recommend games that don't need the ROM ?I'm looking for a few games that: * Are freely available as .sna files * Do not need the ROM at all * Have motion on screen after snapshot resta…
... : NEXT A:
RANDOMIZE USR 37708: DATA 1,0,3,17,0,149 ... -
Recommend games that don't need the ROM ?I'm looking for a few games that: * Are freely available as .sna files * Do not need the ROM at all * Have motion on screen after snapshot resta…
... : NEXT A:
RANDOMIZE USR 37708: DATA 1,0,3,17,0,149 ... -
The state of source level debuggingI was just wondering if we can put on a table everything we collectively know about source level debugging for ZX Spectrum to get an overview of curr…
... address
push bc ; push RANDOMIZE USR address to stack
ret ... you can debug normal ZX Spectrum programs (that first loads BASIC ... side to load files into spectrum.
2. Start from ... -
The state of source level debuggingI was just wondering if we can put on a table everything we collectively know about source level debugging for ZX Spectrum to get an overview of curr…
... another breakpoint command 'break randomize usr' which tells debugger to ... can debug normal ZX Spectrum programs (that first loads ... side to load files into spectrum.
2 ... /discussion/52748/zx-spectrum-cartridges"]ZX Spectrum Cartridge[/url] ( ... -
How to get more than 21 UDG's in BASIC?So with graphics mode under the G cursor how many UDG's can you do from BASIC is it 21? It's all POKE 65368 and above and it's sequential ABCD.... an…
How to get more than 21 UDG's in BASIC?So with graphics mode under the G cursor how many UDG's can you do from BASIC is it 21? It's all POKE 65368 and above and it's sequential ABCD.... an…
A BEEP program I want to make in Basic. Helpful remarks gratefully receivedI want to explore the possibilities of the BEEP command. So I need to be able to try different combos of pitch/duration and sequences of same. I'm tr…
... /> 135 NEXT z
200 RANDOMIZE USR 32768
999 STOP
3,225,209,193,11,201 ... memory and is called by RANDOMIZE USR 32768.
If you ... in line 1000 to 1, 3 and 3 respectively (duration/loops/pitch ...how to load machine codeI'm reading Jon Caldwell's how to write Spectrum games but can't enter the code! Here's an example:_ LD BC, (score) Call 6683 I tried putting…
... -the-basic-program-sit-48k-spectrum-memory/p1
The ... machine code routine by
RANDOMIZE USR 61000 in BASIC
If ...So, is the loading noise in Start Trek IV Speccy noise, or something else?I grew up thinking that a few scenes in Star Trek IV had, without a doubt, ZX Spectrum loading noise in the background. I watched it again a couple d…
... , why would Hollywood use a spectrum (unless the sounds were done ... same baud rate as the spectrum loading and just sounds the ... .
I just type RANDOMIZE USR 1300 and close my eyes ...Memory questionsQuestion 1: PRINT PEEK 23732+256*PEEK 23733 returns 65535 for a 48K Spectrum and 32767 for a 16K Spectrum. PRINT PEEK 16388+256*PEEK 16389 return…
... ) wrote their code for Spectrum games on an Amstrad CPC ... with the McGraw-Hill ZX Spectrum Assembler; the "Q Parameter ... download, load, run, "use this RANDOMIZE USR statement", the programs NEWs, I ... assemble directly to the emulated Spectrum's memory. It also ...Send in the ClonesPlease name all the Spectrum clones out there ( I would say I need it back on my desk in 5 minutes , but I will be a bit more generous in this case!…
... />
The ZX Spectrum Vega is essentially a purely ... the development of the ZX Spectrum. I remind you - ... includes all the ZX Spectrum 16/48 kb production Sinclair Research ... and illegitimate children".
3) group "spectrum-compatible" computers. This ...z88dk : FIle Handling in C on the +3e environment under Win 764bitHello my fellow WoSers! I am wondering if someone can help me solve this little pickle of z88dk / Windows using +3e Filesystem. So a little inf…
... [code]
cp /usr/local/share/z88dk/lib/spec_crt0 ... -DSCCZ80 -DPLUS3 -I/usr/local/share/z88dk/include fhand ... i
copt /usr/local/share/z88dk/lib/z80rules ... spectrum
[code]
1 CLS : LOAD "e:"
10 RANDOMIZE USR ...z88dk : Support FunctionsJust a quick one here, I am looking to doing some dirty dirty code with C and load a screen$ file from the disk using "system( command )" - yes I …
... I was thinking of having 3 strings -
[code]
U ... : LOAD "ZXLAUNCH.CDE"
60 RANDOMIZE USR 32768
70 LET L ...ZX ROM in 64 characters a lineDear ZXS users, I am glad the today's release is not only concerning MB-02+ as it is normally the case with me, but it concerns really everyone, sinc…
... />
You may download 64kB +3 rom image here :
[url ... software reset. If you use RANDOMIZE USR 102 instead NMI button, then ...ZX Nuvo 128..Hi There, I have built the ZX Nuvo 128 by Superfo, but it has a problem. The machine is working, but the video signal is completely bonkers. I've …
... the port 0x1FFD from ZX Spectrum +3 manual:
[quote ... controls several aspects of the +3. Amongst other things, this ... heading `Memory management'). Bit 3 controls the disk motor (0 ... +3DOS
ROM 3: 48 BASIC
Bit 3: Disk motor; 1= ...What exactly is a Spectrum NEXT going to achieve?I've seen some Youtube videos on the Spectrum Next and i'm not seeing what it is being made for? I can see the bonus is that it will make existing ga…
... a lot of machines (zx81, spectrum 48, spectrum 128, spectrum +3, timex, etc) and it ... Sinclair had actually pursued the spectrum line, what might have happened ... some former programmers from the spectrum heyday. The new capabilities make ...Komando 2 incompatible with the +2A models, anyone could supply a poke or a loader to make it work?http://www.worldofspectrum.org/infoseekid.cgi?id=0002734 Is any way to make it work in the +2A models with a loader or poke? Thanks!
... code "o": Load "" code: Randomize USR Val "24576"
20 Load ... pi: Randomize USR Val "26624"
30 Load ""code : Randomize USR Val " ... LOAD "" CODE: POKE 44518, 59: RANDOMIZE USR VAL "24200"
... to transfer them to my +3's disk.
Komando 2 incompatible with the +2A models, anyone could supply a poke or a loader to make it work?http://www.worldofspectrum.org/infoseekid.cgi?id=0002734 Is any way to make it work in the +2A models with a loader or poke? Thanks!
... code "o": Load "" code: Randomize USR Val "24576"
20 Load ... pi: Randomize USR Val "26624"
30 Load ""code : Randomize USR Val " ... LOAD "" CODE: POKE 44518, 59: RANDOMIZE USR VAL "24200"
... to transfer them to my +3's disk.
Speeding up PRINT code in ROMHi Folks, I seem to recall that someone stated the PRINT command is rather slow because it has to handle screen and printer printing - is this cor…
... Logan and O'Hara's "Spectrum ROM Disassembly"), you'll see ... =1 to 500
20 randomize usr 65024
30 next n ... />
Also, looking at the Spectrum ROM Disassembly, I see Sinclair ...How to run trd filesI am a noob. Can anyone help me? How do I run this demo : http://www.pouet.net/prod.php?which=68730 I use Spectaculator and ZXDS, but the demo does…
It's basically the default Spectrum equivalent of sh.tting over ... 's say
[code]1 RANDOMIZE USR 0[/code]
Where 0 ...Thought this would be simple... Z80Hi Folks, Started to read "Beyond simple BASIC, Delving Deeper into your ZX Spectrum" by Dilwyn Jones. This is a great book and I came across the…
... .
I put all 3 routines into EmuZWin along with ... =1 TO 100: RANDOMIZE USR address: NEXT N
3 PRINT (65536*PEEK ... address (above 32768) and all 3 gave the same result time ... B; 8 pixel rows x 3 screen thirds into C
How to run trd filesI am a noob. Can anyone help me? How do I run this demo : http://www.pouet.net/prod.php?which=68730 I use Spectaculator and ZXDS, but the demo does…
... ;920314"]Did you go into USR 0 mode before calling TRDOS ... ]
How do I enter USR 0 mode?
This ... /> 2. type RANDOMIZE USR 0 (T button for RANDOMIZE)
3. type RUN "DHL2K17 ... replies, guys. These RUN and RANDOMIZE commands are new for a ...How to run trd filesI am a noob. Can anyone help me? How do I run this demo : http://www.pouet.net/prod.php?which=68730 I use Spectaculator and ZXDS, but the demo does…
... 920314"]Did you go into USR 0 mode before calling ... /> 2. type RANDOMIZE USR 0 (T button for RANDOMIZE)
3. type RUN "DHL2K17 ... , guys. These RUN and RANDOMIZE commands are new for a ... USR 0 in 128k Basic
3. Call TRDOS from Basic with RANDOMIZE USR ...Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... of your test with my Spectrum +3. This is the results when ... when loading the test in 48 Basic:-
[img]http://oi68 ...
