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Help! USR 0 mode?Right, first of all, I know that this is in the wrong forum, and secondly it's maybe against the TOS anyway, as it's just asking people to read and p…
... out
Leaving the 128 in place would mean that ... br />
2: if a program called 0 it would reset ... the machine, and the program would be gone
< ... know what happens regarding the 128 & 48 modes but ... switching which occurs in the ULA -
I killed my Spectrum last night...*sobs*I got all nostalgiac after watching Labyrinth last night (a festive tradition), and felt the need to get the Speccy out. I played "Rookie" (with the …
... are three basic types of ULA chip used in spectrums. ... early 128K models (128 and gry +2) the ULA was a larger ... black +2/3 the ULA is a flat rectangular surface ... you really will blow the ULA if you're not careful ... and only a continuity test will reveal it. -
DivIDE on Spectrum +3Hi all, Is it possible to use the DivIDE on the Spectrum +3 in 128K mode? I have the 'A' jumper set on the board, but my +3 resets into 48K mode wit…
... ports only when you want 128 mode support and then switch ... destroyed.
You can test if DIVIDE can be used ... ZX will crash, then +3 ULA detect ROMOE signals in allram ... -
DivIDE on Spectrum +3Hi all, Is it possible to use the DivIDE on the Spectrum +3 in 128K mode? I have the 'A' jumper set on the board, but my +3 resets into 48K mode wit…
... your program must set port 8189 to correct value:
TEST ... allram off
LD A,128
OUT (227),A ;connect ... /> LD A,(8192)
CP 128
JR NZ,NODIVIDE ;divide ... -
Detecting Spectrum modelsIs there any sure-fire way a program can detect the model of machine it's running on (48K, +, 128, +2, +2A, +3, clones) even when running in the 48K …
... any sure-fire way a program can detect the model of ... it's running on (48K, +, 128, +2, +2A, +3, clones) [/QUOTE ... between a +2A and +3 test bit 4 of FLAGS3 [23398 ... 110 if it's a 128 machine or 191 if its ... -
Real 60Hz NTSC 48K ZX SpectrumNot a 3rd party mod. The joystick mod was added by the user, but the board and the computer is exactly what was sold in Chile, South America. We migh…
[QUOTE=csmith;346002]What test was that ZXbruno?
... the result of the first test. Here's what Fred said ... determine at what point the ULA starts reading the screen data ... and tzx version of each program.
Using this information ... -
Sinclair BASIC compiler for PC?Boriel's compiler is very powerful but it isn't meant for Sinclair BASIC, and the old compilers in the archive have their limitations: BASIC listing …
... ,012,024,048,096,192,128,000
DEFB 124,198 ... 23606,@Fontdata-256
Print "Test"
[/CODE]
This displays ... runtime routines, which cause the program to be big, but faster ... -
Image to ZXSpec 1.0Hi, I've written a piece of software (still not finished) that outputs any kind of image onto a Spectrum having being converted on a PC. It takes a…
... . Keep on working on that program. It's nice to see ... we able to download and test?
BTW, one more ... probably stop this :( ), that's 128 seconds worth of "video". -
zx81 help neededHi, I got a ZX81 today supposedly in working order, it was for the first two minutes, but after that the keyboard produces the wrong letter, number …
... the ROM chip or the ULA chip is failing.
... it's unlikely your BASIC program would run.
If ... then your typed in program wouldn't run as ... )
Try the following program :
[CODE]10 ... CHR$ I; CHR$ (I+128);
40 NEXT I[/CODE ... -
FLASH EPROM programming on ZXExist any other software for rewriting FLASH EPROM or EEPROM chips on real ZX ? I know only: EEPROM flasher for original DivIDE [url]http://85.132.…
... LD DE,(destADR) ;now test max len
LD ... program!!
;----------------------
PUSH BC
LD BC,128 ... currrom2 DEFB 0 ;poked by program!!
;----------------------
EI ... -
Test ROM Cartridge For SaleI'm selling another load of gear including a Sinclair Research Test ROM Cartridge. [url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=4000772…
...
2. The Border Test.
This test loads a routine into ... ULA is almost certainly at fault.
6. The RAM Test ... the output test, or one from an ordinary recorded program. The ... br />
Q. The Network Test.
Self explanatory. Again, ... -
Sinclair ZXC3 FLASH ROM CartridgeI recently received mail about the new ZXC3 PCB which provides the unique ability to program it directly from the Spectrum without the need for an EP…
... 128 etc has 1 built in.. that is 1 way to program ... notice someone is selling the ULA's for them which is ... -
Platform Game Designer 2Right, with Telly Heroes out of the way, I've decided to have a second attempt at this. I've ditched the old PGD2 source, and started again with the…
... possible to make it a 128 program and just use the low ... use the real machines to test compatibility etc ?!?! I guess you ... -
Platform Game Designer 2Right, with Telly Heroes out of the way, I've decided to have a second attempt at this. I've ditched the old PGD2 source, and started again with the…
... possible to make it a 128 program and just use the low ... use the real machines to test compatibility etc ?!?! I guess you ... /> I asked Jonathan about a 128 version before, and with the ... memory paging of a 128 it would be a mamoth ... -
Some help needed, pretty please! :-)Hi there WOSsers! Long time no see! :-) I'm going through a process to get all my tape games (some real, some downloaded from here) onto +3 disk. I'…
... it possible to patch any 128 game with a load/save ... - I use LERM's transfer program to copy headerless blocks onto ... , I'm using the "conv" program again as it's a ... get it onto disk, I test it and it crashes! -
Some help needed, pretty please! :-)Hi there WOSsers! Long time no see! :-) I'm going through a process to get all my tape games (some real, some downloaded from here) onto +3 disk. I'…
... it possible to patch any 128 game with a load/save ... - I use LERM's transfer program to copy headerless blocks onto ... , I'm using the "conv" program again as it's a ... get it onto disk, I test it and it crashes![/QUOTE ... -
Issue 65 of Scene+As I understand that some programmers wants to be informed if their programs were distributed on our disk magazine, here is a list what will be on ne…
... collected. Worse, the program was designed exclusively for ULA+, so attempting to ... with an unmodified ULA will render the program ugly at best ... be possible that another new ULA hit the market. Even ... have a first programm to test it.
Anyway, it ... -
Spectrum hangs upWhat might be problem when my ZX Spectrum 48K (rubber keys) hangs up after few minutes play? It had memory problems but i changed (or an expert did i…
... related to the CPU or ULA (I don't think either ... />
To test lower memory only, run this program and input 30000 ... for load address.
To test for ... to observe:
- Do the program run continously, without hangups or ... -
The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …
... explanation on how you would program the Mega-Drive:
dc.l stack+4*128 ; SP AFTER RESET
... DRIVE "
DC.B " TEST "
DC.B " "
lea stack+4*128,sp
move ... -
designing a computerHi everyone! I am designing a 4 bit computer and i need some advice, is this a good instruction set? [CODE] BINARY OPCODE DESCRIPTION 00000 nop…
... /> 1) What CPUs can you program?
2) What high level ... level CPU based machine to test and refine the design. There ... ; Opcode 0010 1000 - A = 0080h (128)
0013h LD A ... -
Hacking the O.C.P Full Screen Editor/AssemblerIf you have been reading my posts recently then you will know that I am eager to have the sourcecode I wrote for the Spectrum during the period 1988 …
... I used as the main test:
[URL=http://img534 ... ,hl
add a,128
ld h,d
add a,128
ld h,d
program on Speculator. I would have ... -
Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…
... CLEAR command providing your BASIC program is small enough - I tend ... about to upload a tape test for you within the next ... with enough space of say 128 BYTES, it would be possible ... ]
The following BASIC program will boot Cybernoid:
Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…
... get 48K Basic and a program listing that looks like the ... ]
[B]Cool. Please test this:[/B]
[url ... nemu press key "r". Will program new ZX rom in rom ... ZX rom via OUT 23,128+27 from ZX basic.[/B ...2 48K speccys dead..Hey guys! I've got two of our rubbery friends with me that need some help. They've been like this for some time, but I would like to try and fix th…
... LOAD "" procedure with some (16K) program that autoruns & makes sound ... 't get a software keyclick, ULA (most likely) or RAM / ROM ... is there anyway I can test the modulator?
[QUOTE ... /> EDIT: I know that the ULA is supposed to run hot ...Multiface 1 (Romantic Robot) RepairHello there my fellow ZX'ers! recently I got an Interface 1 + MicroDrive from a friend and since then I have been having awesome geeky moments in fr…
... repairs, alas one had suffered ULA death =(
... a membrane)
Spectrum 128 (I really like this ... of these now)
Spectrum 128 +2A (not functioning)
... a small 2-4kb program that acts a lot ... up the premis of the program... lol - crazy eh? ...+2: 128k enhanced games no longer loading (but OK in 48k mode) :-/Having a spot of bother with my +2, a couple of my favourite games are now refusing to work in standard "Tape Loader" based 128k mode - Marauder (Hew…
... You could enter USR0 in 128 BASIC, then do CLEAR ... (this is a limited test, but should show up ... (Bank 5 - Don't test this, it will crash, ... 16384-32767 where your BASIC program is located)
...
...then run the BASIC program again... it will take ages ...Copying a SCREEN$ in ZX BASIC in 1 second?!Following on from the revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really only needed a suitable POKE i…
... first post, so the scrolling test (see lines 45-50) takes ...DivIDE questionsHi All, I'm the proud owner of two DivIDE interfaces, that I have just "inherited" from a friend. One of them is the original one and the other one …
... ]
I want to program free version of firmware selector ... are ready, I must it test on real hardware.
128 basic can be emulated with ...DivIDE Real Tape?Am I going mental? I can't get my speecy to load from tape with divIDE installed. So my question is.. How do you load from a real tape when your div…
... Ultimate II for the C64/128
The only reason ... over 100 speecy tapes to test out.. 2.. My C64 laptop ... a keyboard, but need to program a pic to do the ...DivIDE Real Tape?Am I going mental? I can't get my speecy to load from tape with divIDE installed. So my question is.. How do you load from a real tape when your div…
... Ultimate II for the C64/128[/quote]
I have ... over 100 speecy tapes to test out.. 2.. My C64 laptop ... a keyboard, but need to program a pic to do the ...
