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Moving a line down the display in assembler?...It's not a "[I]how can I do it[/I]" question, it's more a "am I missing something in trying to do it a new way" kinda question. What I've been doing…
... way to get from one line to the next below it ... getting "[I]to the next line[/I]" than this, because if ... -
+3e Strange IssueHello there my fellow WoS'ers I am absolutely perplexed by the following problem, I am hoping that someone more enlightened than I can help [I](no…
... this to be a RESET line fault, so I replace C13 ... at straws and suspect the M1 line on the motherboard is kept ... me to believe its an M1 fault is that the DivIDE ... a state lock on the M1 how would I go about ... -
Known Z80 M1 problems?I got an email yesterday from someone asking for a Z80 without the M1 problem. I only know about the fanout problem that many Z80's are suffering of…
... for a Z80 without the M1 problem.
I only ... att all.
This M1 problem is new to me ... a Z80 which has this M1 problem maybe? -
Another cause for DivIDE problems on 48K'sThe last months some topics were opened to discuss problems with 48K ZX Spectrums and DivIDE. Sofar we found: - Bad Z80's because of poor fanout (si…
... Z80's because of defective M1 line
- Bad PCB's or ... -
Replaced Z80 now a very dark screen!Today I dag out an old issue 3 that ive known for a long time has a faulty Z80 (M1 line) so I heat gunned it out, socketed it and replaced it with a …
... time has a faulty Z80 (M1 line) so I heat gunned it ... -
Z80 new old stockHi. I found this on eBay but ... is there a way we could know they don't hav a faulty M1 line? [url]http://www.ebay.com/itm/Zilog-Z80-CPU-Z0840004PS…
... don't hav a faulty M1 line?
[url]http://www ... -
Troubleshooting a DivIDE KitI am looking for suggestions to getting my DivIDE working. This has been rather problematic as I had an incredible red-faced, how could I be such an…
... 've read about the mysterious M1 line problem - but it is unclear ... -
Toastrack not recognising an IF1What the title says really, doesnt know its there, buffed the edge connector within an inch of its life but still no joy, also just now ive tried a M…
What the title says really, doesnt know its there, buffed the edge connector within an inch of its life but still no joy, also just now ive tried a MF128, all the nmi does is reset it. M1 line? -
Spectrum +2A/B - CPU affects loading??Hi everybody, Here's something I don't understand. A +2A came in the other day, and it was working fine, but wouldn't load some tapes. OK, thinks I…
... with one with an iffy M1 line (another Zilog, this time from ... have by far the best M1 lines - loaded Target Renegade and ... ? Why do CPUs with borderline M1 lines not load 128K games ... -
Project #1 : Speccy 128k+2 with diVide inside...Hi guys, I just have finished my Super Spectrum #1 The idea (I was thinking of that since 2007) was to fit an english grey +2 motherboard in a +2A…
... removing C31, and reconnecting the line between IC11 pin 4 and ... 2 Z80, thinking of a M1 line default (but it was working ... -
Problems using Save"program" Line 10 in real +2A!!I typed a loader for a program and when I use the typical Save"program" line 10, the Spectrum just gives me "0 ok, 0:1" What can it be???? I dont w…
I typed a loader for a program and when I use the typical Save"program" line 10, the Spectrum just gives me "0 ok, 0:1"
What can it be???? I dont want to type again the loader! So it someones knows how to fix that :)
Thanks! -
Residos with Task Manager crashes on NMI button pressI finally installed my DivIDE Plus which I actually bought about one and a half years ago. (I have way too little time for this project :cry: .) Ever…
... have Z80's with the M1 line missing? Or would in that ... -
Tricky ZX RepairHello guys, This time I put my hands on a very nice Issue 3 16K, upgraded to 48K. To bertter explain "nice", it is absolutely mint, not a scratch on…
... even have the classic faulty M1 line.
Still, the only ... -
Interesting 48K failureI thought I'd recount a failure I've not seen mentioned before that I saw tonight while fixing a 48K issue 6 board. The background: The initial fail…
... up and running again. The M1 line was still also functioning fine ... means the ULA's IOREQ line is only active when A0 ... -
Please explain how a Kempston interface circuit works.Can someone help me understand how a Kempston joystick interface works, as I want to design and build my own as an experiment. I understand switches…
... !RD (or !M1 for some reason instead) and address line A5, on ... -
Drawing a dotted line...Hi Folks, I cannot be the first person to want this (?) so here goes! Does anyone have a MC routine that does the same as the BASIC DRAW command bu…
... command but with a dotted line? I want to be able ... -
How important is the 9V line?I'm in the middle of resurrecting an Opus Discovery. The transformer is gone so Im using a small switched mode PSU from a PC. My plan is to bypass …
... the voltage on the 9v line to the Spectrum, can I ... input to feed the 9v line?
What would the ... -
+2b borkedwell not completely I get this when I hit the NMI on my multiface 3 (so that negates the use of my divides too), the yellow/green stripes flash [IM…
... 48) the z80 has good m1 line (came out of a working ... -
ZX Spectrum+ DivMMC EnJOY! Grundig 16" LCD TV and books.The Spectrum is in very good condition. Composite video mod. New mambrane (bought in November 2014 from rwap_software [url]http://www.sellmyretro.co…
... . Suspect existing CPU has faulty M1 output.
- Replaced all ... present.
- Confirmed CPU /M1 output not present.
- Fitted ... produced.
- Confirmed CPU /M1 output is functioning.
- Re ... to move onto next in line after this time frame.
10 line contest (until April 8)The ABBUC people in Germany are hosting the fourth BASIC 10 liners contest this spring. No machine code including calling ROM routines directly, cert…
... on number of characters per line, otherwise it is straightforward.
line concept?How to get the current line position of a +3e's text window?Does anybody know how to get the current line position of a [url=http://www.worldofspectrum.org/zxplus3e/]ZX Spectrum +3e[/url]'s text window? I've r…
... how to get the current line position of a [url=http ...MESS command-lineHi all, Does anyone here know how to run a ZX Spectrum .SNA file in MESS from the command-line? I can of course do it from the UI, but since I'…
... in MESS from the command-line?
I can of ... a script (from the command-line).
TIA
Regards ...Utility to create long REM Line for storing M/C program - Maximum BASIC Line LengthHi, I think there was a Utlity or Toolkit to create a long REM-Line under 48k BASIC to store some MCode in it. So I don´t have to type e.g. 5…
... to create a long REM-Line under 48k BASIC
to ... REM into the first BASIC-Line.
Is there a ... max line length in 48k BASIC e ...Bizarre ZX Spectrum faults (also possibly relevant to Spectranet compatibility problems).I'm attempting to repair an issue 4A 48K ZX Spectrum and am encountering some very strange problems. For my own records I've given this computer the …
... Z80 had a non-functioning /M1 output (this is very common ... CMOS Z80 and confirmed its /M1 output works correctly. ZX285 would ... , but one with a working /M1 output. The Spectranet interface now ... ENTER to commit a program line. After a bit of experimentation ...Line DemoI was looking in the source code of another game (that Akalabeth game), with lots of line drawings. The difference was that they don't use the PL…
... Akalabeth game), with lots of line drawings.
The difference ... to create a LINE command.
This LINE command works exactly ... you use PLOT 30,40: LINE 50,20 instead.
Also LINE has it's own keyword ...Subject line of forum notificationsCurrently the forum notification emails have the subject of the form: [code][World of Spectrum] <nick> commented on <topic>[/code] This means t…
why does line length affect angle?I am using Plot Draw to make a V like drawing. It's part of an intersection on an isometric path. You would expect one half to be the inverse coordin…
... but why does altering the line length affect the angle of ... the line? I assumed 45 degrees was ...Replacing z80Hi all, I've just finished removing my z80 and installing it back in in a socket. Surprisingly I haven't broken anything in the process and the sp…
... suggestions point to a duff M1 line.
My question is ...Trying to enter a line from a book fails for some reasonI am reading through the book "[i]Spectrum Machine Language for the Absolute Beginner edited William Tang[/i]". I have got to the section where I nee…
... /> When I try to enter line 130 into my emulator it ... /> I have entered line 130 as one whole line into the emulator ...
