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Replacement power suppliesIs it possible to get a replacement power supply for the old speccys? The high Amperage is a problem: 1.4A for the rubber-keyed 48K. Know where you c…
Is it possible to get a replacement power supply for the old speccys? The high Amperage is a problem: 1.4A for the rubber-keyed 48K. Know where you could get one that would handle it? It wouldn't need to be an original. -
Memory usageBrowsing the online documentation for the Spectrum I came across a peculiar discrepency. As we all know the start of the RAM is at 16384 which is whe…
... is where the screen memory resides. The screen memory ends at 23296 ... is what on earth the memory before KSTATE and after the ... video memory is used for on a ... -
[NEW]: Spectaculator 4.0Hi everyone, Finally managed to finish it... enjoy! --- [NEW]: Spectaculator 4.0 Spectaculator is a Sinclair ZX Spectrum emulator for PCs runnin…
... .
o Brand new memory contention system and cycle-accurate ... Assign the extra buttons on modern joysticks to key presses on ... />
o Changed the contended memory model for the 128k/+2 ... -
ahem!.. could I have a minute of everyones time please :)ok... here's the thing. I'm looking into sourcing some spare IC's for the whole range of Spectrums - mainly memory, as that's probably the weakest l…
... whole range of Spectrums - mainly memory, as that's probably the ... spares / a complete set of replacement memory ICs etc.
... service' - where some / all memory IC's are replaced for ... /> c) any other stuff, like replacement PSU / Ear/Mic sockets
128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …
... />
Port 32765 controls the memory paging. Bits 0-2 determine ...ZX80/81 memory expansion and 48k + Lightpen for saleAll are in original packaging and the lightpen has it's software and manual. The memory expansion is a 16k one. E-mail me at [email="patrick@wych01…
All are in original packaging and the lightpen has it's software and manual.
The memory expansion is a 16k one.
E-mail me at [email="patrick@wych01.freeserve.co.uk"]patrick@wych01.freeserve.co.uk[/email] if intrested..Spectrum spares / repair jobsI recently bought a few faulty Spectrum 48+'s and have built a fully functional unit from the best bits of them, however this has left me with two pa…
... be repaired or dismantled for replacement ULA / RAM chips to repair ... a few odd keys (from memory I think they are extended ...New project for 256 colours Games emulator!O.K. , I suggested Jonathan Needle ( Creator of the excellent Spectaculator at [url="http://www.Spectaculator.com"]www.Spectaculator.com[/url] ) to c…
... huge,it would be our modern revenge against those Cummodorz ... the speccy emulator with its memory zone, and in the ... processor Z80_GFX. Z80_GFX modifies its memory zone accordig to the instructions ... would be included in a modern Spectrum emulator instead of that ...Deduggers in emulatorsI've used several emulators with build-in debuggers, and now I want to share my opinion. Debugger in Spectaculator 6.0 is great! The interface is nic…
... easy. I very like that memory addresses are hyperlinks. "Go ... about I/O ports, 128k memory pages.
There ... memory location. "run to selected" function is not a good replacement ... for breakpoint, but still fine. "memory hex display ...memory is filled up under Win XP when opening many filesDear friends, I have the big and strange problem that ZX-Rainbow's game scanner is not working properly under Windows XP. I figured out (during a ti…
... in the virtual memory), so that the memory is filled up with ... the file stream, freeing the memory.
I wrote another testing ... the complete file content in memory.
The problem does ...Memory Available for 16k and 48kAm I right in thinking that if I am writing a 16k Game, I have 8k available for the machine code prog 6000h to 8000h, and for a 48k game I have 40K a…
... /> If so, what are the memory areas available for 16k and ...Modern day anonymityI posted this message in a different topic earlier but it wasn't noticed apparently, so here it is again. While reading through the list of exception…
... realised something.
The modern software development team (you know ... way, I don't hate modern PC/PS2/GameCube games. I ...Strange layout of Spectrum video memoryHello, does anyone have an idea why the Spectrum's video memory has such a strange layout? I understand that a resolution of 256x192 is an easy mean…
... why the Spectrum's video memory has such a strange layout ... it easier to address video memory. I also understand that the ... ) are a compromise to limited memory. But where does the line ...Replacement chipsAfter much digging around on here, it seems to be the general consensus that the ULA could be causing the problems im having (spectrum is deaf to the…
Spectrums games vs. modern games; very interesting... I've read a number of replies (on Matt's tears thread) regarding spectrum and modern console games. I found it very interesting. I think the games …
... tears thread) regarding spectrum and modern console games. I found it ...what extra port for extra memory ? (256K, 512K, 1024K, etc.)I know that Pentagon uses some extra bits from port 7FFD for extra memory pging: - for 512K model, bit 6 & 7 of port 7FFD - for 1024K model, bit 5, 6…
... from port 7FFD for extra memory pging:
- for ... those bits for extra memory switching and if it ... / port DFFD for extra memory paging.
What is ... keep track of a memory bank number, by combining ... established port for extra memory, other than the Pentagon ...SPIN - debugger / fill memory / how ?I try to fill the screen with 00 value, but I don't get the expected result. - pause the game - debugger - hex numbers - fill memory block - fill wi…
...
- hex numbers
- fill memory block
- fill with 00 ...
- main memory
- start address - 4000
- ok
then
- view memory
- all screen data is ...New member, dead SpeccyHallo everyone, I was directed here from a Commodore (boo, hiss) forum after pleas of aid with my newly acquired, quite dead 128k Speccy. I sincerely…
... />
I've got replacement CPU and memory, but if it's ... 48k one do for a replacement?Data at the top of memoryWhilst viewing memory locations on the "Spin" emulator I noticed data starting at 65336. Does a "real" ZX Spectrum 48k use the top end of available m…
Whilst viewing memory locations on the "Spin" emulator I noticed data starting at 65336. Does a "real" ZX Spectrum 48k use the top end of available memory ? If so, what is the last memory location that is safe to use ?Emulator Dev: Memory Use When Loading RZXsHi, I am currently working on a port of an emulator to a system with limited memory (64mb). I am running out of memory when loading large snapshots …
... to a system with limited memory (64mb). I am running out ... of memory when loading large snapshots (ie ... let me know how much memory is needed to decompress a ...modern saboteurI found out recently they made a modern version of saboteur(in the 90's for pc) has any one tried it?(hear it was crapp...) I always dreamed with a …
... out recently they made a modern version of saboteur(in the ... /> I always dreamed with a modern version of saboteur! I know ... the perfect time for a modern conversion using the times technology ...Compo: write about any game (retro or modern) and you could win a prize...Okay, well, I'm involved with a retro'n'modern site called Catharton Electronica, and it has some Game List sections on the boards for each system w…
... involved with a retro'n'modern site called Catharton Electronica, and ...Voltage regulator replacement?I have an 48K issue 3B that has (for unknown reasons) had one of the legs on the voltage regulator broken off. It looks like a simple replacement job…
... . It looks like a simple replacement job that someone ham-fisted ...A hyperthetical Speccy FutureDo you think if the Speccy had've continued through the 90's or maybe up until present day, that maybe they would've made multi-button joysticks/pads…
... /pads for games with more modern principles. For instance a 6 ... .
Also plug in memory upgrades and mods (to avoid ...Interface 1 Memory Map(I'm not sure which section this post should go in, but here seems as good as any) Since the Interface 1 ROM is only 8k long, does anyone know what …
... appears in the 8-16k memory range when IF1 is paged ...Wanted: Gamecube memory cardI'm looking to buy a gamecube memory card. I don't need a large capacity memory card but a card that can save information for upto 3 games will do. I…
... looking to buy a gamecube memory card. I don't need ... a large capacity memory card but a card that ... they own or a used memory card (in working condition of ...Perfect Dark (N64) - best FPS ever?Since we're talking about Half-Life 2 on this board, I thought I'd mention Perfect Dark, the best first person shooter ever. Don't believe me? Hardly…
... a failry rare and expension memory add-on pak to fully ... from each other (unlike most modern FPSs, where many levels looks ...Emulator with ability to watch memory?Hi! I'm looking for an emulator that can give me a realtime update of an address in memory. I've tried Fuse (on OS X) where I can set a breakpoint i…
... update of an address in memory. I've tried Fuse (on ...Where do you keep your tape images? CD, DVD, USB drive or Memory Sticks?I have my most beloved games (well over 300 titles) on my SD memory card. What's your type of archive medium?
I have my most beloved games (well over 300 titles) on my SD memory card. What's your type of archive medium?
