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How did people write large assembler programs on real Spectrums?I have been wondering how people did their development back on real Spectrums. If you should write a large program, there would first be an assembler…
... tape to load I bought off Ebay. :)
EDIT: I ... there from switch on.
I used to draw out a ... -
InterfaceHi I'm building a spectrum emulator. I've tried to build it as modular as possible, for example I have a zx class that have input and output devices…
... the Spectrum ROM, the paging in circuitry will switch.
Remember ... which you trigger using an OUT command may only "monitor" only ... change the border using any OUT address that is even (i ... -
InterfaceHi I'm building a spectrum emulator. I've tried to build it as modular as possible, for example I have a zx class that have input and output devices…
General ROM paging is all done in hardware. ... , logic 1 or switched off (the switched off state often referred to ... -
Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…
... range. It gets paged out when an instruction is ... an I/O ports paging. Original BetaDisk sits between ... -DOS ROM gets paged out (since we jump to ... out any ROM page, even TR-DOS. However I/O ports paging ... 0" = turbo on, "1" = turbo off (7 mHz turbo).
bit ... -
That stupid blonde bitch in the ApprenticeDid anybody see the Apprentice last night? I couldn't believe my eyes when Sugar told that posh blonde girl she was in the final, ONLY FOR HER TO FU…
... me taking my suit jacket off in extreme heat.
[/quote ... marketing droids tended to hang out. I was working in pretty ... to hit the emergency power off switch in the lab once, thinking ... above it saying EMERGENCY POWER OFF. I guess the marketing droids ... -
Computer crashes on boot problemHelp, I need help !! My Computer crashes randomly, sometimes just after start-up sometimes it will last for ages. I then get the Blue screen with…
... ATX power switch that doesn't really turn everything off). Again, it ... time the magic smoke came out. It sort of went bbbzzzzzzt ... -
Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... /> Indeed and the release is out :) The win32 installer is not ... of instructions to access variables off the stack that an assembly ... wouldn't normally use. A switch to globals would help. Getting ... & 0x01" expression to figure out what pixel to plot on ... -
Buying a new TV - any advice?My faithful ol' television has just ceased to be, become bereft of life, started pining for the fjords, etc, so I've got to get a new one, and I was …
... films you really miss out by cutting off the edges. I seem ... doesn't look all washed out and fuzzy like LCD sets ... gripe being I can't switch it to Scart RGB it ... -
eXPerts 2Now my windows installation is playing up When I click on Start-Turn off computer, it takes about 3-4 mins before the Turn off options box appears, …
... to leave work. so i switch it off al the wall. still ... at work keeps going with out any problems. its getting to ... -
What I hate about computers and/or video gamingYesterday I spent approximately four months (subjecively that is, objectively it was around two to three hours) fixing my mate's PC. I won't bore you…
... ]
As mentioned elsewhere, switch it off then!
[QUOTE ... you want doesn't come out on your system(s).[/QUOTE ... -
What I hate about computers and/or video gamingYesterday I spent approximately four months (subjecively that is, objectively it was around two to three hours) fixing my mate's PC. I won't bore you…
... went belly up I'd switch to Sun.[/quote]
out there. There will never be ... ]
As mentioned elsewhere, switch it off then![/quote]
But ... didn't know about the OFF option until it was posted ... -
Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... /> // race modifiers
switch (type)
{
case PLAYER_FLAPPER ... species modifiers in the switch statement. The flapper ... /> With the species modifiers out of the way the game ... sprite is initially placed off screen and is made ... -
Got my mac mini and I'm in loveI have had it for about 2 days now and it is the 2nd best piece of computer equipment i have had, it is quieter then my dvd HD recorder i have been s…
... .
[quote]
out of interest what causes computers ... " note that line powered switch mode power supplies can fail ... I had one that went off like a firecracker (and unfortunately ... to the capacitor manufacturer cheaping out and stealing someone else' ... -
Got my mac mini and I'm in loveI have had it for about 2 days now and it is the 2nd best piece of computer equipment i have had, it is quieter then my dvd HD recorder i have been s…
... " note that line powered switch mode power supplies can fail ... I had one that went off like a firecracker (and ... the machine).
Out of the last dozen or ... just can't put out enough amps any more ... only thing it took out was one stick of RAM ... -
how to set voltage regulator to the correct setting ?On the power supply that is broken it says AC adapter INPUT : 230v 50Hz OUTPUT ; 9v 200mA Regulated On the variable voltage adapter i have the…
... linear regulator, and moving the switch just selects a different input ... really does put out 6 volts off load when the switch is set ... -
how to set voltage regulator to the correct setting ?On the power supply that is broken it says AC adapter INPUT : 230v 50Hz OUTPUT ; 9v 200mA Regulated On the variable voltage adapter i have the…
... linear regulator, and moving the switch just selects a different input ... really does put out 6 volts off load when the switch is set ... -
My thousandth post - and a request for help...[FONT=Arial Black][SIZE=7][COLOR=Red]1[/COLOR][COLOR=Yellow]0[/COLOR][COLOR=Lime]0[/COLOR][COLOR=Cyan]0[/COLOR][/SIZE][/FONT] Well, seeing as this i…
... />
Yeah, I should probably switch those two around chronologically... I ... I went off the Knight Tyme game (which came out *after* ... Midnight Battles" could be left out, which is a shame as ... for making the Speccy stand out.
[quote= ... -
Damn, I think I need a reflow ovenOr a reflow frying pan at least... I was just assembling an order through Farnell since I've worn out another soldering iron tip (which has actually…
... people who want to help out with the software :-) But that ... as the glue logic for paging memory and accessing the CP2201 ... /> I also have to finish off some of my current projects ... -
Trying to create NMI, whats this switch?Hi, I have been reading a book Z80 Applications, and I am trying to create a simple device for creating a NMI. Here is a schematic: [url]http://www…
... ://www.officetrack.com/download/wos/switch.jpg[/url]
... there anything special about the switch that I have highlighted ... it means that when the switch is "off" (not pressed), current ... , the capacitor drains, filtering out any debounce. When it is ... -
A vexatious questionThis is kind of a follow-up to a question about RST #8 and hardware that I wrote in the development forum a while ago. To summarize that: certain ha…
... summarize that: certain hardware hanging off the edge connector traps RST ... also traps 0x0700 to page out. To prevent conflicts, some ... nailing the signal high and paging in their own ROM to ... passes through some logic then out again, to the through connector ... -
A vexatious questionThis is kind of a follow-up to a question about RST #8 and hardware that I wrote in the development forum a while ago. To summarize that: certain ha…
... Oxford this weekend and find out how it works. I also ... need a jumper or a switch to allow traps to be ... to prevent other devices from paging in ROMs, but they are ... -
A vexatious questionThis is kind of a follow-up to a question about RST #8 and hardware that I wrote in the development forum a while ago. To summarize that: certain ha…
... prevent the IF1 ROM from paging in by holding A15 high ... A15 gate to switch state when I'm paging in my ROM ... when I go to page out again (because at this point ... with my ROM now locked out. However, this makes the ROM ... -
Testing the Ram on a Toastrack 128KHi All My "new" 128K is misbehaving, all the demos I have loaded for it crash instantly, Ghostbusters 128K is playable but one of the background scr…
... for full details of the paging, but basically the ram-page ... of the value sent out to port $7ffd (32765). The reason the ... +16) then you'll page out the 48k BASIC ROM, and ... -
SAM gets ethernetWhilst off topic - head over to [url]www.samcoupe.com[/url]. Colins got his ethernet board for the SAM available to buy and some interesting news ab…
... whole mess once I figure out the logic that's economical ... research and simulation of the paging mechanism using the Xilinx WebISE ... contention can't be sorted out in a sane and reliable ... get the weather station finished off before starting on the ethernet ... -
Who has an Issue 1 or Issue 2 Spectrum??Do you have an Issue 1 or 2 Spectrum (ie machines with 5C102E and 5C112E ULA's) ??? You're help is needed! PLEASE SEE THIS THREAD: [url]http://www.…
... it possible to figure out which exact ic's ... since you can just print off the files you need). ... Then ease the chips out with a small screwdriver or ... will simply start falling out the board when the ... all surprising if the internal switch mode supply on the ... -
The direct bus or indirect one... that is the questionThe Ethernet project continues...and I'm in a quandry. So I've managed to implement enough socket library for the W5100 that socket, bind, listen, a…
... when the DivIDE is paged out. I am actually leaning towards ... reset to prevent downstream peripherals paging in on 0x0000 execution. ... server on the internet or off your LAN). BASIC traps ... high to stop other ROMs paging in), paging latches on downstream devices ... -
Oh look, more Spectrum reviews(x-post to CSS as part of general self-publicising) Part of the reason I've been more active (or at least less lurky) on CSS and here of late is tha…
... the fact that you can switch between sections. I'd maybe ... scene knowledge to pull it off - either in terms of background ... lot of the hard work out of stuff like Sam Fox ... -
improvements to gameshello while i playing a few spectrum games,i thought how better some games would be better with an improvement:- automania-128k tune,less grating t…
... friendly. It's misses out on being a classic because ... off players embarrassingly.
Goalies pick up the ball for crying out ... 't automatically knock you off your little bike if ... />
Alien
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Switch between characters by pressing number ... -
Your top 5 Spectrum gamesWe've a Spectrum Special lined up for next issue of Retro Gamer, so we'd love to know what your top five games on the system are :)
... only ever managed to take off once :)
5) Alien Highway ... soooooo close to the 2nd switch.
5) Shockway Rider... it ... to spread NGamer and Edge out over the course of a ...
