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Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... Nonsense in BASIC, 1500:3" error after the first data block. [URL ... the game. Fix by Zup: POKE 65232,59.
[*]Cylu: Locks ... pick the letter "L", the program resets. [URL="http://file.qip ... Nonsense in BASIC" error due to 128/+2 RAM disk commands implemented ... -
IF1Bis problems. The Edge of the Spectrum...Advice is sought from the learned on WoS. I just bought an Interface 1Bis from sunny South Africa. It arrived fast, but unfortunately doesn't work.…
... caused by the 'corrupted RAM' problem, but after ... often the workspace in RAM where the 'disk parameters ... test, during which some 100,000 accesses to both RAM ... and to SDcard were made by a BASIC program, ... empty RAM chip, while it should hold the ROM Data. ... -
quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…
... integrate your "LDIR Basic fast copy RAM block" with my program...
PEEK a+256*PEEK (a+1): DEF FN ... TO 15
5 POKE da,qlo: POKE da+1,qhi
PEEK (a-3)+"$"):POKE a+1,FN l ... : NEXT a: LET a$=b$: POKE da+1,0: RETURN
TAPlist - the emulator versionI've got this working reasonably well; there's just a couple of small extra features which I want to add. (Recall that TAPlist writes a formatted lis…
... /> POKE 23618,15:
POKE 23619,39:
POKE 23620,6+(7 AND (PEEK ... tabs:
POKE 23620,11+(6 AND (tabs< PEEK (FN v ... . To use it, LOAD the BASIC program which you want to list ... copied to the top of RAM to actually run it.) Don ...128+2 Help!Today the postie brought me an early Spectrum 128+2, it's a Z70700 Issue 1. Everything seems to be working ok, i.e it boots up and the keyboard work…
... of transcribing that smaller test program to a simple basic loader:
POKE 65000+n, a: NEXT n
30 DATA 1, 254 ... ]RUN this program, then after the 'E Out of Data' is received ...128+2 Help!Today the postie brought me an early Spectrum 128+2, it's a Z70700 Issue 1. Everything seems to be working ok, i.e it boots up and the keyboard work…
... of transcribing that smaller test program to a simple basic loader:
POKE 65000+n, a: NEXT n
30 DATA 1, 254 ... ]RUN this program, then after the 'E Out of Data' is received ... I tried Saving a wee BASIC program, it made all the proper ...Fixing my old ZX Spectrum 48K issue 4AHi Guys, I trying to fix my old Spectrum 48K. Looks like my dad used a wrong power supply as the ULA had a bit missing and so did the 7805. So I rep…
... RAM returns.
Now enter
POKE 32768,0
PRINT PEEK ... /> Now enter
POKE 32768,255
PRINT PEEK 32768
This ... chip is connected to one data line (D0 to D7).
The above tests will also test the other chips used in ...Fixing my old ZX Spectrum 48K issue 4AHi Guys, I trying to fix my old Spectrum 48K. Looks like my dad used a wrong power supply as the ULA had a bit missing and so did the 7805. So I rep…
... RAM returns.
Now enter
POKE 32768,0
PRINT PEEK ... /> Now enter
POKE 32768,255
PRINT PEEK 32768
This ... chip is connected to one data line (D0 to D7).
The above tests will also test the other chips used in ...48K: Half of copyright message in the middle of the screen?!Issue two. Has 74LS08 over the Z80, but the ULA is 5C112E-3 (I think this should be a 5C102E??? - I have one, but I'm not sure if it is working, at l…
... the memory is storing the data byte in the correct location ... quick basic test...
Now you need to run a test program that ... because the run from a test ROM or a [URL="http ... the "lower" RAM. But as I have a test ROM, I have ...UDG tricks?I always enjoyed using [URL="http://www.worldofspectrum.org/ZXBasicManual/zxmanchap14.html"]UDGs [/URL]for the 'sprites' in my games, when I coded th…
... at the beginning of RAM, 6K from 16384 ... and variables of any BASIC program. A system variable ... which will let your BASIC program be as big as ... for any variable data the program defines when it' ... POKE.
And don't CLEAR so low that your BASIC program ...Seriously weird Issue 2 issue... (RAM-related)Hi guys; I have been trying to fix up my Issue 2 and have run across a bizarre issue that I haven't seen elsewhere in the forums. Hopefully one of …
... one or more faulty upper RAM IC's still lurking :)< ...
20 POKE n, 85: IF PEEK n 85 THEN ... n;", 85 "; PEEK n
30 POKE n, 170: IF PEEK n 170 ... "Error at ";n;", 170 "; PEEK n
40 NEXT n ... can store a diagnostic program that can test this kind of ...Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... Nonsense in BASIC, 1500:3" error after the first data block. [URL ... start of the game. Fix: POKE 65232,59.
[*]Cylu: Locks ... pick the letter "L", the program resets. [URL="http://file.qip ... Nonsense in BASIC" error due to 128/+2 RAM disk commands ...48K Ram Check Command not workingI am trying to repair my Spectrum 48k. It is having issues loading games, sometimes they load all the way to launch and then the speccy resets. Oth…
... an upper RAM fault that is corrupting the BASIC operating ... generation of the upper RAM CAS and so the ... more of the upper RAM ICs is faulty. You ... POKE and PEEK to place values in the top 32K of RAM ... If faulty upper RAM is interfering on the data bus at ...48K Ram Check Command not workingI am trying to repair my Spectrum 48k. It is having issues loading games, sometimes they load all the way to launch and then the speccy resets. Oth…
... an upper RAM fault that is corrupting the BASIC operating ... generation of the upper RAM CAS and so the ... more of the upper RAM ICs is faulty. You ... POKE and PEEK to place values in the top 32K of RAM ... If faulty upper RAM is interfering on the data bus at ...48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …
... could write a basic program to peek and poke all the addresses ... have a specific area to test.
3 ... . Attempting to test too low memory will make ... as you can overwrite the basic program and variables.
test the rest of ...Chuckie Ess 2 tap doesnt work[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0000959[/url] It loads, you press a key and it returns to Basic! Anyone any idea why or got a …
... of RAM, so the Microdrive commands that are in BASIC after ... saved, not from the BASIC loader in the TAP ... VAL "65520": POKE VAL "23624",VAL "0": POKE VAL "23693", ... USR 65300
40 DATA 243,221,33,0, ... non-drowsy"(!?) decongestant to test it much more but there ...LOAD "" CODE in machine code/store 128 bank dataHow do you LOAD "" CODE from machine code? I have written the following MC routine that fits into a REM statement in a basic program. I want to cal…
... 23388 = BANK_M variable. used like poke 23388, 16+bank nr.
BASIC ROM) + 6 (RAM 6) = 22.
- As explained before, the POKE selects ... system to load data on RAM 5 or RAM 7. RAM 5 is the ... the BASIC program and system vars. RAM 7 is used by the BASIC editor ...Weird symptom number 2...I got a new keyboard membrane for my Spectrum+ plugged it in and low and behold the weird left to right printing of the copyright message disappeared…
...
I have seen upper RAM chips fool the ULA into ... only testing for certain keys. BASIC, however, would appear frozen ... box as the ULA data line is erroneously sent ... RAM chip.
Can you burn an EPROM with my test ... EPROM with the correct program on.48K Upper memory issues?Having more issues with the 48K spectrum I just fixed that had the black screen in this thread [URL="http://www.worldofspectrum.org/forums/showthread…
... the screen. Replaced faulty Lower Ram IC (IC8)
... in on the lower ram chips were not making ... spectrum) only 1 displayed program name and attempted to ... /> run the simple poke and peek memory test, but not all ... to run the memory test that ZORN linked to ...New version (v0.31) of ZX DiagnosticsHi all,<br><br>Just wanted to let people know that I've released a new version of the Spectrum Diagnostics into the wild.<br><br>These were originall…
... 1024MAK;831158"]The serial data stream could just be ... data buses are okay, all you need is a suitable program ... sure doing a very basic parallel to serial transfer ... that has no working RAM at all, due to ... needed.
An alternative (test) ROM, can be loaded ...IN and OUT in hardware terms... what are 'ports'?Hi all, I understand PEEK and POKE, but have never managed to get my head around IN and OUT. The books all go on about how they read from and wri…
... ], though.
The PEEK and POKE BASIC statements manipulate memory using the ... about here is generally either RAM or ROM. If you attempt ... what you just put in (RAM).
Not so ... ports.
As some data is read-only, some is ...Was there a POKE that broke the SpectrumHi Everyone I've been recalling myths and rumours from back in the day. You know "Lunar Jetmans" trailer and that sort of thing. But one rumour …
... only find ROM and RAM. POKE in BASIC simply writes the specified ... any RAM location may cause the the BASIC ROM program to ... 's registers may cause data on the disk to ... the address and outputs data at the same time ... that the CPU outputs data. If one outputs a ...Help With AY Music Program in BASICHi, last year I started writing a BASIC program for making and recording AY Music. I thought it would be easier than learning how to use Soundtracker…
... /> [code]POKE 23672,0 : POKE 23673,0: POKE 23674,0[/code ... /> [code](65535*PEEK 23674) + (256* PEEK 23673) + PEEK 23672 [/code]
test that instead, especially important in Sinclair BASIC ... remove everything except the DATA statements between lines 20 ...Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... Nonsense in BASIC, 1500:3" error after the first data block. [ ... pick the letter "L", the program resets. [URL="http://www.alessandrogrussu ... Nonsense in BASIC" error due to 128/+2 RAM disk commands ... to Nuggetreggae,[/URL] a POKE 24090,8 entered while running ...Pietro Bros [DEMO]Hi People. I wanna share with you a game that I'm working on, since a month or so... [img]http://i.imgur.com/kOoPGzU.png[/img] [url="https:…
... first byte of uncontended ram. You have to ... VAL "32768"
30 POKE 23739,111
40 ... you want because your basic loader still has ... program has started, you can reclaim the area occupied by basic ... by placing data down there. This ...Empire - port of trs80 basic programBack when I was a little kid, I had the opportunity to play around with a trs80 model 1 with level 2 basic. One of the games I often played was call…
... .BAS = 27,587
BASIC program in RAM = 19,613
variables in ... :
RANDOMIZE fnw: POKE 23563,PEEK 23670: POKE 23564,PEEK 23671:
LET i ... i: POKE fnw+k4,PEEK 23670: POKE fnw+k5,PEEK 23671:
POKE fnw+k6 ...Must be missing the point - machine code... Hi Folks, Trying my hand at machine code again but falling at the first hurdle. I hand crafted the following to run at address 62000 and the co…
... /> 62008 Loop: LD (HL),A ; POKE bit pattern in to screen ... /> The following BASIC code loads the program in to RAM and executes it ... ;TAB 22;D
270 POKE A,D
280 LET ... DATA "0E","18"
370 DATA "77"
380 DATA "2C"
390 DATA ...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…
... translate into bytes of data which you can POKE into memory, then ... LET BC=6912
1030 POKE DE,PEEK HL:
LET HL ... this in BASIC (use [b]GOSUB 1000[/b] in your program), you ... routine again, it copies the data back from 58368 to the ...Comp.Sys.Sinclair Crap Games Competition 2017As the creator of the second-least crap game in last year's competition (and the only mug stupid enough to agree to host it this year) I am proud/ash…
...
This is the 'Sinclair BASIC Attribute Scroll Mechanism', or [b ... If you want to POKE or PEEK data directly to the buffered ... ATTR() read, the address to POKE or PEEK is [b]( 63232 + ... your extra UDG data. Then in your program, POKE the high half ...Is there a way to suppress error R Tape Loading Error in Basic when trying to load only part of fileHi, is there a way to suppress error R Tape Loading Error in Basic when trying to load only part of file. E.g.: I have a Tape-Code-File Start f…
... POKE stack+a+1,INT (v/256):
NEXT a: DATA ... /> 12 RANDOMIZE stack: POKE 23615,PEEK 23670: POKE 23616,PEEK 23671
22 ... /> 30 RANDOMIZE er: POKE 23613,PEEK 23670: POKE 23614,PEEK 23671:
STOP< ... from start of CODE data block (
