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128k memory musingI've been pondering on the 128k memory thing a bit, and it's just bloody stupid. The 64k memory space is divided in four chunks. One is always los…
... been pondering on the 128k memory thing a bit, and ... />
The 64k memory space is divided in four ... no way to page in memory there. Second chunk is ... Third is fixed to usable memory. Fourth is the bankable ... be in the always-resident memory (the fixed 16k + ... -
128K memory testingDuring a mad half hour I decided to write a little memory tester program in BASIC using the information from the 48K service manual. Now I was wonder…
... decided to write a little memory tester program in BASIC using ... testing the ram on a 128K speccy.
Any suggestions ... -
128K memory bank selection to avoid contention issuesI'm currently developing a game and I'm trying to get my head around the memory contention issues of the various 128K/+2/+2A/+3 spectrum models in or…
... around the memory contention issues of the various 128K/+2/+2A ... best use of the extra memory. I've searched the ... I can understand that the memory is divided up into banks ... FAQ says that for the 128K/+2 models, banks 1, ... if the machine is 128K/+2 and if so ... -
How about making a diagnostic program for 128k speccys?Hi guys, I was just chatting with DEATH today about a problem i had with my 128 heatsink spectrum and the need for a 128k speccy diagnostic program …
... and the need for a 128k speccy diagnostic program came up ... someone test if the whole 128k memory of his speccy is in ... order. Besides loading the biggest 128k game there is and playing ... not suitable for testing a 128k speccy all the way. -
Did you have a 128k version Spectrum or only 48k?In the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=20495"]thread[/URL] discussing extra features of 128k games it seems like it ofte…
... [/URL] discussing extra features of 128k games it seems like it ... the same game for the 128k Spectrum.
So a ... version of the Spectrum with 128k memory (original, +2, +3 and so ... -
Very simple 128k memory test?Just an idle thought, but... If on a 48K machine: [INDENT][B]PRINT PEEK 23732 + PEEK 23733*256[/B] [/INDENT]yields the last reliable RAM address, …
... command to execute on a 128K/+2/+3 machine? -
Spectrum +3 suspected memory faultHi, I've been using my +3 for the first time in a while and found that some games have problems with the display becoming corrupted and sometimes cr…
... one of the memory chips used for the extended 128K memory. I've ... way to determine if the memory is at fault, and which ... -
128k memory use in multiloadsIs there a way to play golden axe and turtles coin op game on a real spectrum, without having to multiload and just the load the whole game into the …
Is there a way to play golden axe and turtles coin op game on a real spectrum, without having to multiload and just the load the whole game into the memory at once? -
Games only possible in 128K mode?In the thread: [url]http://www.worldofspectrum.org/forums/showthread.php?t=30145[/url] the discussion of 128K only games comes up, and it made me w…
... />
I mean, obviously the 128K machine allowed for better sound ... it played*), and the extra memory allowed more game data to ... br />
I mean, the 128K memory could have been used to ... used in any 128K games?
The 128K also intoruced screen ... -
Memory mapping: Pentagon compatibility?I'm writing something that will rely heavily on the Spectrum's ability to switch screen buffers in hardware (port 0x7FFD). The original Spectrum 128K…
... 0x7FFD). The original Spectrum 128K memory map (with only one 16K ... on the Pentagon switches memory banks as described in ... Second category of expansion of memory over 128k.
... Third category of expansion of memory over 128k.[/quote]
... -
How to create .TAP that loads into high memory banks?I want to create a program that uses the extended 128k memory, the banks that can be switched into the 0xc000-0xffff area. For the simple stuff I've…
... program that uses the extended 128k memory, the banks that can be ... -
128k toast rack diagnosisHi - I recently won a 128K toast rack, and have got a Retroleum smart card. I've tried a couple of games and all seems fine...-ish.<div><br></div><di…
Hi - I recently won a 128K toast rack, and have got ... sounds like the membrane?2. 128K Memory test runs through up to ... .. ** BANK SELECT FAILED **"
3. 128k Video page test "Test failed ... sound at all from the 128k specific AY sound tests. The ... -
Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
... quickly mention is to trap errors and parse commands yourself when ... +3, although info on the 128k memory model in particular would be ... .
Pageing (a segmented memory model) introduces complications, but that ... -
Spectrum +2 (grey) RAM issueHi, I?ve got a ZX Spectrum +2 (grey) with what I think is a RAM issue. I used to be able to load games very reliably by playing converted TAPs and …
... when diagnosing memory errors on a +2.
The 128K of memory is ... one RAM chip in contended memory will generally affect all ... /> Similarly a fault in uncontended memory (to which the CPU has ... the layout differs again in 128K toastracks, and in +2A ... -
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…
... information about I/O ports, 128k memory pages.
There ... scrollbar to get to some memory location. "run to selected" ... breakpoint, but still fine. "memory hex display" and "hardware info ... info" allows to see which 128k memory pages are mapped. I ... -
Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
... page 2 due to the memory contention issue).
How ... /> In normal operation of the 128k editor, if page 7 is ... +3, although info on the 128k memory model in particular would be ... -
TRD to TAP extractionHi, I've got a batch of .TRD disk images, for which I'd like an automated process to extract the files on the disk to a .TAP file. I've tried the D…
... the others have "Out of memory" errors when I try them. The ... -
ESXDOS 0.8.5 and .Z80 on +2B or +3Last week I received some .Z80 snapshot files from a DivMMC EnJOY! user to test. These files didn't work on his ZX Spectrum +2B. [URL="http://benophe…
... 4, as there was some 128K memory detection bug fixed, but still ... is it because of the memory map that is different? Allthough ... -
Samurai Warrior - The Battles of Usagi Yojimbo Remakehttp://www.worldofspectrum.org/infoseekid.cgi?id=0004326 Hi there, I was a huge fan of this game when I was young that I played on my Spec+ 48K. I…
... cut everything out because of memory. With 128K memory, maybe someone want to ... -
Mysterious error message ?Something just occurred to me, when I try to load certain JSW games which require 128k memory into my emulator in 48K mode I get this error message. …
... certain JSW games which require 128k memory into my emulator in 48K ... message.
4 Requires 128k memory, 40:1
Doesn ... they were gonna make a 128k Speccy! Isn't there anything ... -
New Utility ZXSTLC[b]New Utility ZX Spectrum Tape (& Disk) Loader Creator[/b] I made this utility to easily create tape and +3 disk loaders for my projects and have…
... files for each of the 128k memory banks, while using the ROM ... 48k or 128k program
| containing only the standard memory pages (5 ... , see later). For 128k programs with additional memory pages you
| need ... -
About buying Spectrum system for gaming. What kind of package?Hi, I've always been a C64 fan. No do not get me wrong, Spectrum was so rare here compared to Commodore. Lately I've been looking for Spectrum to pl…
The 128K+ is the best one in ... 's the rarest. To have 128K memory with 4 channels of sound ... -
Spectaculator & .pok filesI'm trying to use ZXPoker to create .pok files for games which I then wish to load into Spectaculator. As I understand it, provided the .pok file is …
... a .pok file with the 128k memory file set to 0 Spectaculator ... go in and change the 128k memory value to 8 - the file ... Lives poke works with a memory setting of 0, the Rooms ... -
Spectaculator & .pok filesI'm trying to use ZXPoker to create .pok files for games which I then wish to load into Spectaculator. As I understand it, provided the .pok file is …
Well I seemed to have fixed the problem by inputting the 128k memory setting as 8 each time. -
ANN: Shadow of the Unicorn SEShadow of the Unicorn SE is no longer being distributed.
... place original SOTU ROM in 128K memory (for example in #01 RAM ... -
I would love it if they remanufactured the spectrum I am quite happy to correspond with anyone who has a serious interest in remarketing the ZX Spectrum (Rubber Key) 48 and 16K! In authentic fashion a…
... why not throw in also 128K memory and support for AY music ... sow some project for flash memory card support on the net ... keep all your files on memory sticks instead of taking a ... -
Spectrum IDE port addressesWith eight standard IDE ports to address and with the common access to information via the internet I would have thought that Spectrum IDE add-on har…
... /> - Bit 1 blocks activation of 128k memory paging port
- At ... -
Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... [/I] make it check the 128K memory banks but it'd be ... -
Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... [/I] make it check the 128K memory banks but it'd be ... -
Faulty 128KI digged out my Spectrum 128, and it wakes not up. I don't have experience, only with 48K. Maybe someone can give me some hint, clue. It looks like m…
... ROM for 48K or 128K Speccies?
Does 128K starts in 48K ... /> It works on 48K or 128K... One of the vertical bars ... from one of the upper 128K memory banks. It'll be black ...