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Smokin... more 48k woesHi, it looks like I've converted another Spectrum 48K+ into a smoke machine. I'd been rebuilding an Opus Discovery unit and everything looked good. …
... .
There are two 12V lines mind, 12V and 12V A ... -
Smokin... more 48k woesHi, it looks like I've converted another Spectrum 48K+ into a smoke machine. I'd been rebuilding an Opus Discovery unit and everything looked good. …
... +12V or the -5V power lines. However, these voltages should still ... it looks like there are two 12V lines.
The board ... -
ZXadlib CPLD-freeHi folks. Repost from [URL="http://forum.tslabs.info/viewtopic.php?f=6&t=431"]here[/URL] OPL2 chipset for speccy. 6Fh index, 7Fh data. This is firs…
... assume it is only monitoring two address lines :-)
Google shut ... -
ZXadlib CPLD-freeHi folks. Repost from [URL="http://forum.tslabs.info/viewtopic.php?f=6&t=431"]here[/URL] OPL2 chipset for speccy. 6Fh index, 7Fh data. This is firs…
... register selection, plus three address lines for the 74LS138's A ... inputs plus one or two address lines for the 74LS138's enable ... />
So maybe six address lines. Not sure what function the ... could increase the number of lines decoded.
Now if ... -
128K Spectrum - can't figure out what's wrongLong time no post :) So I have this 128K Spectrum (+2 ROMs) that I cannot for the life of me figure out where the problem lies. Let's take a look a…
... the Z80. So if two address lines were swopped between the Z80 ... the routing of the address lines. Also note that it is ... -
Uridium possible with more colour??Having seen the MSX version of Uridium mentioned in another thread I wondered if the Spectrum could produce anything similiar, and had a go at a mock…
... could perhaps count on two raster lines passing you by for every ... attributes. Now it'd take two passes of the routine 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…
... work if you rewire the ROMCS lines on the diagboard to ROMOE1 ... -
Microdrive-Microdrive incompatibility?Hi All! Finally I could get enough Microdrives and connecting blocks (or cable replacement) to make the largest storage configuration of the classic…
... the following picture on the two data lines:
[img]http://gigant ... shift register on the COMMS lines. I don't know the ... didn't examined the COMMS lines with scope. I think that ... -
ZX Spectrum issue 2 has only blue tintsRecently I've bought a 16k speccy and ran into some issues with it. Faulty keyboard, broken caps, no stable frequency, faulty lower RAM chip, it bein…
... :
Blue screen with two pink lines across the screen (when VR1 ... -
Faulty M1 or no?Hi all, OK, so I've got an issue 4B which was pretty much untouched and appears to work fine (starts up OK, loads games, 23732 and 23733 both retu…
... /> I followed the MREQ and ROMCS lines. All seemed fine. The jumpers ... -
ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... , by rerouting the MEMREQ and ROMCS lines for this purpose only when ... -
Optimizing numbers1. Is there automatic way to process basic program (huge), and replace all numbers with an VAR "number" ? 2. Same as above, but replacing numbers wi…
... with that.
Two extra lines added at 154/5:
[/code]
and lines 216/7:
[code]
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…
... error and now have only two more lines to do. Then I ...ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …
... of the screen with those two horizontal linesim looking for a horizontal scroll routinehi, im looking for a horizontal scroll routine. i read somewhere that you can do it with at 'to' statement, somewhere in a print routine. althoug…
To answer your last two questions from Facebook ...
... '#' is set by the last two CHR$ in b$ (line 1009 ... />
2. To do two scrolling lines just duplicate the code for ...Beginner's z88dk help rqdI'm struggling to get my first z88dk C program to compile. My program is this: #include <spectrum.h> int main() { zx_border(INK_BLACK); } …
... should build with the compile lines given. If not, there is ... something wrong. The compile lines are in the readmes, at ... that page you'll see two compile lines you can use, one ... build or simply copy the two peephole files affected from the ...Spectrum 128k +2 video issueHi Guys, I just got a Spectrum 128k +2 from ebay. It came with its power supply and the scart video cable. The machine is working pretty good but …
... 't sure which of the two 12V lines were wired to the ...Can an emulator send and receive via a PC's USB port?Interesting little question arises out of a conversation today with my son who is taking a Rockwell automation course. His latest test was to write …
... "aux" port each have two output lines, and these can be set ...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…
... (four iterations) repeats these two pixel lines four times to fill one ...Dynamite Dan II - Island 6 - HELP!Hi all, can someone possibly create a snapshot of Island 6 (car park island) on Dynamite Dan II for me please? I'm trying to work out why half the…
... $1601 ; Open PRINT stream bottom two INPUT lines
ld hl,text ...48k S-video output -- pcb board (credits 1024MAK & RGA24) just fitted a revision A of the s-video board to a issue 2 specie and i am very impressed with the results. the picture is…
S-video only uses two signal lines, plus ground (0V). There are no control signals for S-video.
[b][i]Mark[/i][/b]Using INPUT without clearing last two lines of screen?I'm trying to print to the 22nd row of the screen using the ol' print #0 trick. Unfortunately, I require user INPUT which seems to wipe out the botto…
... to wipe out the bottom two lines of the screen. Is there ...How paint in the down two lines ?The down two lines on the spectrum screen cant be used. But i remeber from the 80's that exist some code that allow us to paint on these two lines wi…
The down two lines on the spectrum screen cant be used. But i remeber from the 80's that exist some code that allow us to paint on these two lines with plot or draw or others.
Someone remember the code ?
thx in advanceWhy no PLOT, etc. on bottom two lines?I was pondering if there was any way to get PLOT, etc. to address the full screen from BASIC without having to write a few lines of assembler to bypa…
... having to write a few lines of assembler to bypass that ... commands to the top 22 lines anyway? Why not just have ... , SCREEN$ can address all 24 lines (0-23), so why restrict ... use #0 for the bottom two lines?joining lines of BASICDue to overwhelming demand - well, one demand - well, more of a suggestion, really - here's a routine to join together lines of BASIC. The vertical c…
... a routine to join together lines of BASIC. The vertical cursor ... intending to include a "dividing lines of BASIC" option as well ... combination, divides the line into two lines. (If the next incremental line ...Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…
... The Spectrum ROM has two chip selects and a ... ROM itself combines the /ROMCS and /MREQ signals to ... be combined externally. (/ROMCS is generated by the ULA ... lines A14 and A15, so when both are low, /ROMCS ... other words the product of /ROMCS + /MREQ.
...Calculate if two segments cross in assemblerHello, Im developing a little game and I need something that I cant archieve. I have two lines (segment of a line). Line one: X11=coord X of …
... cant archieve.
I have two lines (segment of a line).
Line two:
X21=coord X of ... assembler for calculating if these lines cross. If these segments have ...Grey +2 with lines on some games on RGB connectionHi Everyone, Is it OK if I ask a question? I dug my +2 out of the loft after far too many years about a month ago, and I have finally got it ba…
... of my games show vertical lines down the screen, really fine ... serviced it. I was in two minds about having it done ...Currah MicroSource emulationIt appears to be impossible to emualte the MicroSource in software on the ZX Spectrum SE as hardware polling is required. The following patch is not …
... the address bus and asserts two Z80 signals: -IORQ and ... It would decode all 17 lines to their right status, ... line and disable the -ROMCS line so the BASIC ROM ... to decode the address lines with as little delay ... second EPROM with 17 address lines, but I'm now ...
