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Troubleshooting my +2To put this in context: a while back (i.e. late last year and earlier this year) I was looking to put together a compilation of modern Spectrum games…
... the loss of a data bit across the whole ... RAM) including any non-contended banks.
Run a memory test program ... test the entire 128K - all I know is a PEEK ... or two that will test that the ... the volume control - no Program: header, nothing. But when ... -
Spectrum +2 grey ear mod?Is it possible to turn the sound port on the back of a grey Spectrum +2 into an ear input? I know it's possible for the black +2 but I can't find muc…
... BASIC so he can use a bit of machine code to test ... that the RAM banks are ... the BASIC system thinks that the top of RAM ... other important areas (to BASIC) don't change ... RAM. And this does make things rather slow.
But PEEK And POKE ... -
How can I make a UDG rotate?I designed a set of UDG's that can be used for making shapes or letters. Trouble is that my circle - for example - consists of 4 pieces and it would…
... to simply PEEK and POKE respective screen addresses (or even PEEK a UDG ... mouse driver and interpret its data to draw a pointer ... .
The simplest test would look something like this ... (it will reset), run this program, then click the mouse inside ... -
Help with a TIMEX TC2048 and memory problemBought a 2nd hand Timex TC2048 but unfortunately I detected a problem with the machine which is preventing it from working properly. I believe it …
... memory test program?
Also if not, have you tried using BASIC to POKE ... /> 10 CLS : PRINT "enter test value"
20 INPUT d ... POKE a,d
50 PRINT "address ";a;" wrote ";d;" read ";PEEK ... a
60 NEXT a
Good test values ... -
Need Some Basic HelpHi all, I’ve decided to give programming in Spectrum Basic a go again (bit of nostalgia trip!) and I’m trying to develop a CYOA style game. How…
... size of the "Spare" RAM which you have to work ... loaded separately from the program code & data. This avoids the duplication ... , can easily be emulated in BASIC - just use DIM, as ... 9000 DATA "..."
9001 RESTORE 9000: LET meta=PEEK 23639 + 256*PEEK 23640 ... -
Need Some Basic HelpHi all, I’ve decided to give programming in Spectrum Basic a go again (bit of nostalgia trip!) and I’m trying to develop a CYOA style game. How…
... I decided to run a test and generate some simple code ... just defines 30k characters of data in to entries in a ... if this is 48k basic or 128k basic - on the multiple times ... RAM once you take into account all the other bits of program ... -
Loading Images/Screens mid-gameHi all, Looking to get back into a bit of coding and I couldn't figure out a way to do the following: I have an image/SCREEN that I'd like to b…
... you can do this in BASIC (this takes 3.6 seconds ... $)="": DEF FN p(a)=PEEK a+256*PEEK (a+1):
LET ... :
POKE 23563,PEEK 23670: POKE 23564,PEEK 23671:
POKE da+6,co: POKE da ... FN s$() to hold screen data
1991 GO TO 9991 ... -
printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…
... POKE per line. Plus one POKE to the attributes area of screen RAM ... the layout of the screen data. It is not likely to ... program:-
[code]10 FOR a=16384 TO 22527
20 POKE ... /> And of course, if your BASIC or the "system" prints anything ... -
Saving and restoring data in 128kHi all I'm trying to program a game using compiled ZX Basic for the +2A/+2B/+3. Thanks to a lot of info I found on the forums, I manage to access …
... it's compiled Basic) I can't tell the program what arrays ... one single BASIC command that can control the data there: POKE.
POKE and PEEK. As you can see ... .
Since using PEEK and POKE is very easy, I'll ... -
New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…
... tap file with just the data (no basic) @ 16384
this is ... in Print Buffer (23296-23552). Program will scan for space
poke the file number in ascii ... LOAD "loader" CODE
40 POKE 32766,a+48
50 ... -
New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…
... 2) Disable disk cache and RAM drive
3) ... />
My test 128k Z80 snapshots were Daley ... the loader code, autorun basic & 128k 2nd file ... 3: @23296-23552 program will scan for continuous block ... 128k snapshots with erroneous data in the extra ... -
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 …
... /> POKE 32769,85 : PRINT PEEK 32769
POKE 32769,170 : PRINT PEEK 32769
POKE ... 32769,0 : PRINT PEEK 32769
POKE ... BASIC works, then the lower RAM is fine.
The test that ... -
binary mirroring in basicsame as last question, really. only this time i want to mirror an 8 bit decimal number
... the expense of 2K of BASIC code.
I still ... lines of data.
But if the OP prefers BASIC, I ... need to use a separate program line for each element in ... be to poke a data look up table and use PEEK, rather than ... -
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…
... best to begin with learning PEEK, POKE and what BINARY is, ... a program) is like the equivalent of LET in BASIC, or ... alternatively a bit like POKE and PEEK, depending on ... from the program memory where your machine code routines and data are ... -
A snapshot to transfer converterI'm programming a tool that takes an snapshot file and convert it to a tape file that mimics those created with transfers. This is a long term projec…
... main goal of my program was mimic transtape loading ... 128k mode and that "BASIC" mode that uses ... BASIC.
-b can make "easy hackable" tap files (you can POKE ... a file called sna test suite that includes it) ... so it saves less data), the second one will ... -
What are editor scratchpads?I've been reading and experimenting with 128 bank switching and using the shadow screen. The technical reference [url="https://worldofspectrum.or…
The silicon disk (also called RAM disk) is an area of ... SAVE and LOAD to put data on the silicon disk, but ... " storage (I mean, using PEEK and POKE to read them), providing you ... anything there or break the program (that, in turn, will use ... -
How do i learn to programAll the years i had a computer the only one i could program was the Texas Instruments Ti99/4a and when using extended basic with its so simple sprite…
... program was the Texas Instruments Ti99/4a and when using extended basic ... good with speccy basic as well all this peek and attr to ... love to be able to program my own frogger game still ... for me to learn to program,i will be using realspectrum ... -
Interface for PC ZXSee last entry of former TOPIC. I'm working on the interface. Info about it on MISCELLANEOUS Author: Arjun (---.bng.vsnl.net.in) Date: 08-13-01 …
... Thats just the sort of program i want!!!!!.surely the ... already working on a parallel-data-system. The main problem ... I found out how to test it, but I still must ... test it.
In ... i could ever program was TI extended Basic on the TI99 ... -
Quiz V - the revenge of D`n`C Ok, 50 quick fire questions.. some cryptic - you`ll have un unravel the clues to get the game name, while others are description of the game. Ther…
... 50 spindles, slither down the data bus, watch the countdown, Sparkies ... -
Run BASIC program by R. USR xxxxxGuys, please help. Suppose I have BASIC program in my Spectrum 48K starting with line 10. I'd like to start it by RANDOMIZE USR xxxxx. Which paramete…
... , please help. Suppose I have BASIC program in my Spectrum 48K starting ... that would start BASIC interpreter to process my program.
Rgds ... -
Hardware and software speccyI have some speccy junk that I would like to get rid of. The junk has lived the last 15 years in my cellar and I do not know what state it is in. (An…
... including: Frankie, Daley Thompsen Super test and Street Hawk.)
? Indiana ... and cassett with 25 basic programs.
? EDB Data Valgfag (tilrettelagt Spectrum ... on how to use and program with your Spectrum (and ZX81 ... -
Ported whole casettes of backuped utiltilitiesHi! A friend of mine gave me a few casettes he found in the attic - he used these to backup ORIGINAL casettes he had back in the spectrum games. The…
... /> 35-177A4: Program : Beta Basic Length: 19 Normal ... 59-29719: Bytes : data Length: 19 Normal Speed ... br /> 61-3DF08: Program : RAM INSTR. Length: 19 Normal ... br /> 69-3FB66: Program : RAM text Length: 19 Normal ... -
Getting basic program listings into a text fileHi - can anyone tell me if there is an easy way of getting basic program listings out of an (any) Spectrum emulator and into a text file on your PC? …
... an easy way of getting basic program listings out of an (any ... -
Basic problems with +3Hi everybody, sometimes ago I bought the ZX Spectrum +3. Currently I have some questions, to verify my thinking. 1. How I can easy copy the ZX Spec…
... have to make a loader (basic file) with will load startup ... some special cables to transfer data from PC to 3? disk ... on the +3 and transfer program on the PC. Is the ... -
Spectrum 48k benchmark program/resultsIs there any program (basic or assembler) to test performance of a Spectrum 48k? Want to compare results in my FPGA Spectrum 48k with real hardware …
Is there any program (basic or assembler) to test performance of a Spectrum 48k?
Want to compare results in my FPGA Spectrum 48k with real hardware results...
