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C21 in ZX 128K+2Hi, What is the function of capacitor C21 in ZX 128K+2 ? It is missing in all schematics I got.
Hi,
What is the function of capacitor C21 in ZX 128K+2 ? It is missing in all schematics I got. -
The history of ESXDOS, the DivMMC and the DivMMC EnJOY![img]http://benophetinternet.nl/hobby/divmmc_history/1%20esxdos.jpg[/img] These are the stories behind esxDOS, the most popular operating system e…
... /2 Mouse Support
NMI Function button
Custom ROM in ... mode from boot
NMI Function Software
- Debugger
- Snapshot ... Function
Both HD and FD ... -
Chompston Mazes in SpecBASAfter the discussion in ASH-II's Pacman thread, I checked out the link there about generating 2D Pacman style mazes. This one was quite good fun, …
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Now we define a function - which returns a number between ... from e$ and call our function "FN d" from earlier to ... -
New SpecEmu releaseVery minor release. Only doing this now due to a bug found in masm32.lib while looking for possible file dialog problems under Windows 8.1! You ca…
... condition discovered in the szRight() function in masm32.lib
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22K resistor - Upgrading to 48K+Hi. I fitted a 22k 0.25w resistor to allow the extra keys, STOP etc. I'm not showing a change, these keys do not function with the extra options. I…
... change, these keys do not function with the extra options. I ... -
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…
Hi, 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 but, in the end - I just learned how to use Soundtracker anyway (Thanks to ZXF for those tutorials!).
Hacker needed (Opus Discovery)Hello, I once was in contact with a guy who converted some games to Opus format. The contact was via the PM function here on WOS, but after the WOS-u…
... contact was via the PM function here on WOS, but after ..."Jet Set Luis: Rumbo a la Costa Blanca""Jet Set Luis: Rumbo a la Costa Blanca" (Jet Set Luis: On the Way to Costa Blanca) is a 2014 or 2015 (see below) Spanish remake of "Manic Miner", mad…
... , with a ballpoint pen on graph paper, trying to emulate the ...Spectrum +2 No Loading SoundHey all! Just got a +2, immaculate condition, inside AND out, comes up fine when tuned in, keys work, etc. BUT, there is zero sound coming from th…
... +2 - SOUND and BEEP commands function normally, so there is sound ...Slow "Mark All Viewed"I don't know if this is just me, but I find the "Mark All Viewed" function incredibly slow. Is this something that can be fixed?
I don't know if this is just me, but I find the "Mark All Viewed" function incredibly slow.
Is this something that can be fixed?Where can I find accurate ROM functions map?Basically so I can avoid reinventing the wheel and just CALL rom if there is function there (for example, $203C, print function) that does exactly wh…
Basically so I can avoid reinventing the wheel and just CALL rom if there is function there (for example, $203C, print function) that does exactly what I want. Would also help keep program size small.Z88DK NOOB cplot INK colorHi I am a complete NOOB with Z88DK, I am trying to draw colored circles. How does ink, paper and border work with Z88DK. I started trying to wo…
... then found an assembler plot function, I can draw circles, however ...TommyGun's getting a Debuggerhttp://youtu.be/B_kZVRvYV98 I have always wanted to debug the programs I write in TommyGun using TommyGun instead of the debuggers in emulators. …
... video link shows the trace function working where it follows the ...I request a working search function. :-)I had to get some information from the Vallation thread, so I thought I'd search for it, but the term "Vallation" doesn't return my own thread in 'Ga…
I had to get some information from the Vallation thread, so I thought I'd search for it, but the term "Vallation" doesn't return my own thread in 'Games' or the other one in 'Brand new games' as results. This goes for both normal and advanced search. Very ...Visual Studio 2015 and z88DkNot sure if this is useful to anyone but just in case :) I was about to embark on getting intellisense working for assembly... but that looked a lit…
... will need to amend one function slightly of the DK so ...New game editor: Sir Lancelot.I worked on this earlier this year but lost interest before I was completely done with it. Still, all the important things work ;) So now I'm shari…
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There's no undo function. To start over just delete ...Optimized (in size) Z80 simulatorI am evaluating Z80 simulators to try to create a tool to analyse z80 programs. I'd like to start with a simple register coverage tool and t-state cy…
... perhaps try some register trace graph analysis to implement some interesting ...Proportional fontsI've been doing some proportional font drawing, purely on C level at the moment, but it's orders of magnitude slower than I'd want it to be. It's sti…
... a couple variations of the function, one that stays on one ...'computer compatible' tape recorders?I have seen these a couple of times for sale, but what exactly do they do (differently form the regular type) ? [URL=http://s1063.photobucket.com/…
... my tape recorders has this function, yet they work fine with ...Noob's guide to joysticksWhy on earth would I be asking this *now*, I hear you all scream? The answer... curiosity. Back in the day all I ever had was a +2 and Sinclair's …
... worked - with the IN 31 function. As I never owned one ... read by an IN 127 function much as a Kempston would ...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…
... 't though according to my graph paper diagram it should be ...Calling George from Greece!George, I replied to your pm, but you haven't answered, did you see it? By the way, I can't send you another pm because the WOS search function (a…
... pm because the WOS search function (as it's laughingly called ...Help with an android tablet, please.I don't know anything about android tablets, so I'd appreciate some advice, please. A friend of a friend's android tablet is running out of storag…
... the app manager's inbuilt function, but it seems like some ...ZX Spectrum, ZX81 and Middle SchoolersToday I gave a talk to 120 US middle school kids (7 grade) about computer science and careers in programming. I also gave them a taste of programmin…
... about how a computer could function on so little. Then I ...Z88DK v1.99B ReleasedAt Sourceforge: https://sourceforge.net/projects/z88dk/ It's been a year since the last release so it was time for another. This is another tran…
At Sourceforge:
https://sourceforge.net/projects/z88dk/
It's been a year since the last release so it was time for another. This is another transitional release on the way to version 2.0 and hopefully we'll get there for the next one ...Random Numbers, USR Return Values & Timing BASICI've been trying out Jon Ritman's random number routine, published in Your Sinclair Aug'87. Apart from a timing comparison I also did a frequency ana…
... . So for a random number function 3*speed of RND and ... the requirements of this particular function) will return that value to ...Testing your codeOk, guys, again I here with question. How do you test your works? I understand how to test functions and procedures mathematically (for example, g…
... to check if some general function is ok after you do ...ComCon interface with an auto-fire joystick is possible?I need a little advice on this one, please! I have a konix speedking, with two fire buttons and auto-fire switch. I can use it with the comcon int…
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But the auto-fire function doesn't work. I have ...How to write files from PC into a +3 disk image?I'm thinking about creating a utility that converts 48k snapshots into tap and dsk files. To do so, I've found that libspectrum allows me to read sna…
... I haven't found any function to read or write data ...Getting a +3 working again (keyboard & tape socket issues)So, as part of my Spectrum restoration project I will also try to tackle the problem child among my fleet, the +3. PROBLEM ONE: Ever since I firs…
... manual that demonstrates the IN function (three lines, chapter 23) and ... +3 that's its primary function. And on the +3, of ... issues, before trying the IN function program I opened the case ...
