-
Banked memory running slower?I've just compiled a TAP which includes bank6, it loads ok, but the routines that are paged in run slightly slower. The Z80 snapshot has no such pro…
... such problems, the paged in memory behaves itself as it should ... -
New Z88 emulator - in developmentHi Just to inform you I am working on a new Z88 emulator. Actually I am bringing Z88 emulation support to my ZX80/81/Spectrum emulator [url]http:/…
... am working on a new Z88 emulator. Actually I am bringing ... Z88 emulation support to my ZX80/ ... emulated... But it is working. Z88 responds to key presses and ... -
48K Upper memory issues?Having more issues with the 48K spectrum I just fixed that had the black screen in this thread [URL="http://www.worldofspectrum.org/forums/showthread…
... end.
Ran the memory test
PRINT PEEK 23732 ... -
AGD memoryHow low has anyone got AGD memory showing but still works without crashing or errors. My Monty game is showing 30 and will not allow you to open any…
How low has anyone got AGD memory showing but still works without crashing or errors.
My Monty game is showing 30 and will not allow you to open any events to edit. If I add just one letter to any text it crashes big time, full reset. -
Spectrum +2a memoryHi all, Happy New Year. A quick question, I have a Spectrum +2a that I am seeing a very intermittent fault, once every 20 - 30 power ups. I plug…
... to fail the lower 16K memory test.
Does anyone ... -
Zero 0.7 / Zero 0.6.5 releasedAfter months of grueling work, I?m proud to announce the Vanilla version of Zero, which is a regular Windows version of the emulator. I?ve tried to m…
... ) (v0.7)
+ Made the Memory viewer resizable vertically (polomint) (v0 ... /> ? Fixed machine timing not being read or saved correctly when using ... -
z88 for saleHi guys, planning to sell my z88 and also a 32k ram card and 32k Eprom. It's all in perfect working order, and cosmetically excellent, with a smalle…
... guys, planning to sell my z88 and also a 32k ram ... -
New version emulator ZEsarUX-2.0Hi I have uploaded a new version of my ZX80/81/Spectrum/Z88 emulator on [url]http://sourceforge.net/projects/zesarux/[/url] Changes are: Added Ca…
... br />
Added Cambridge Z88 emulation
Added Real audio ... to version 5 to support Z88 snapshots
Improved ... machines: Spectrum, ZX80, ZX81, Z88
Improved Inves Spectrum+ emulation ... value on +2A machines and memory paging enabled
Fixed ... -
New version emulator ZEsarUX-2.1Hi I have uploaded a new version of my ZX80/81/Spectrum/Z88 emulator on http://sourceforge.net/projects/zesarux/ Changes are: Added Cocoa…
... Cards support
Added Z88 option to undelete files ... program to take snapshots from memory to spectrum tape)
Fixed Z88 colours
Fixed Z88 blinking frequency on ... ", seg3 to match memory banks mapped on Z88
Improved configuration ... -
Understanding contentionI'm trying to understand contention and its implications when some "weird" bus cycles (such as I/O cycles with I/O addresses in the contended memory …
... there is both memory and I/O contention. Memory contention causes T1 ... ULA has performed its video memory read. But there is also one ... safe" zone between two video memory read bursts. If I'm right ... 00FE for instance, to avoid memory contention) that begins at the ... -
Contended memory and TritoneQuick question regarding contended memory...<div style="font-style: normal;"><br></div><div style="font-style: normal;">I'm testing ideas with Triton…
Quick question regarding contended memory...
I'm testing ideas ... the player code after 0x7fff memory address and the data in ... contended memory, and it doesn't seem ... being run from non contented memory, so I think it actually ... -
Fuse tests - INC BC causes contention delayHi all, In the FUSE test suite it has the following for the output of opCode 0x3 (INC BC): 0 MC 0000 4 MR 0000 03 4 MC 0001 …
... one of MR (memory read), MW (memory write), MC (memory
contend), ... PR (port read), PW ( ... is the byte written or read. Missing for contentions.
read the memory to update the ... -
New 48K Spectum emulator on the Windows StoreHi, I've just uploaded a new "Free" Spectrum 48K emulator to the Windows Store, see: http://apps.microsoft.com/windows/en-gb/app/specwin48/4d54…
... />
I've read all about contended memory but as yet haven ... -
Memory testersHi, Just wondering which software people are using to test the memory in their spectrum. I have been using Zorn's memory tester as described here:…
... are using to test the memory in their spectrum. I have ... been using Zorn's memory tester as described here:
Fuse - HelpAs some of you might have guessed already, I'm kind of doing a rampage on a lot of emulators, to test things out, and find the most suitable for deve…
... />
Maybe there is another read.me file somewhere that I ... .
Register, T-States, Memory Map, ok...
An ...Does this game sound familiar or have they misremembered some things?I read this in a youtube comment section. "Memory is vague on this but I seem to remember there being a ZX Spectrum game that was meant to be impo…
I read this in a youtube comment section.
"Memory is vague ...I feel they could have done this.After reading the ZX Spectrum ULA, I learned about how the ULA detects if the Z80 if going to access memory in the next cycle and stops it if the ULA…
... if going to access memory in the next cycle ... both interface to the memory, meaning that they have ... why part of the memory is contended.
Alternatively ... and the memory, so that the ULA can read whenever ... it wants, and can write to memory ...How to move the location counter backward with GNU binutils?I've converted a 8000-line assembler source from Pasmo to GNU binutils. It was not difficult. It's the first time I use GNU binutils. In my code t…
... two differents zones of the memory. With Pasmo I just ... of the compilation) into a memory address, ready to be ... the_symbol`, therefore updating the same memory address every time, and ...
I've searched and read the binutils documentation but found ...[NEW] Retro Virtual Machine v1.0.0 for OSX released!!!!Here it is! Retro Virtual Machine v1.0.0 RELEASED!!!! Many thanks first to Patrik Rak for the PZX format and for their Z80 tests without which RVM…
... ’
Emulation of the contended memory timings.
Pixel to pixel ...
Formats supported for read: PZX, TAP TZX CSW v1 ...48k Memory MapIs there a link or info anywhere that explains the 48k memory layout? My game uses double buffering and I'm trying to decide where the best memor…
Is there a link or info anywhere that explains the 48k memory layout?
My game uses double buffering and I'm trying to decide where the best memory location should be.Sinclair QL bad memoryI googled around trying to see if there was a resource for this but didn't really find anything specific. I have a QL with the white screen proble…
... screen problem which indicates bad memory, so I plopped a Minerva ... you addresses of the bad memory...Problem is that doesn't ... help me identify which IC memory chip it is. Is there ... " a good chip on each memory chip but the only result ...Recommend-me-do - memory card devicesSo, both myself (with a +3 that has a dodgy drive) and my friend (with a +2) are looking at the various options for loading from memory card. What…
... various options for loading from memory card.
What do ... to find their way onto memory card?IN and OUT in hardware terms... what are 'ports'?Hi all, I understand PEEK and POKE, but have never managed to get my head around IN and OUT. The books all go on about how they read from and wri…
... go on about how they read from and write to addresses ... how do they differ to memory locations...?
Can someone ...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…
... to life.
A must read for everyone who is interested ... br /> - DOS services (open file, read/write sectors, etc, etc, etc ... !
- swap partition
- virtual memory up to 4Mb
FATWare was read-only but the most easy ...No contended memory?Sorry if this is a stupid question. But I'm trying to learn more about the ZX Spectrum. If I had a stock 48k Speccy and I could wave a magic wa…
... magic wand to remove the memory contention, what software would break ...Macmillan Learn to read - BODYSWOP - labelled BODY PARTS - review copyI've had a cool find... a tape - no cover - printed 'LEARN TO READ - Body Parts' Review copy .... It is Macmillan's 'Bodyswop' but I presume a pr…
... - no cover - printed 'LEARN TO READ - Body Parts' Review copy ....
little help with archivebeen trying to access the magazine archive to browse through some of the old mags i used to read. just a walk down memory lane. is the log in details…
been trying to access the magazine archive to browse through some of the old mags i used to read. just a walk down memory lane. is the log in details the same that i use for the forum or something different? tryed my forum details but failed. please helpWay of the Burgle (2008) - Incomplete XFAWorld Game + DownloadDownload: http://1drv.ms/1IN8l3M Hello there everyone! ^_^ I doubt many (if any) of you will remember me, but once upon a time I used to post h…
... was trawling through some old memory sticks and whatnot tonight and ... for taking the time to read this post and I hope ...Elite - Save data complete map[code] $0000 Commander Name $0001 Commander Name $0002 Commander Name $0003 Commander Name $0004 Commander Name $0005 Commander Name $00…
... change anything by modifying the memory directly so loading from tape ... . It's loaded into memory but never read by the program. When ...Tasword file format - for transfer to/from PCHaving worked out that it's dead simple to load in and read .TXT files from the memory card on a DivMMC Enjoy!, I'm keen to see what else can be done…
... load in and read .TXT files from the memory card on a ... save and load from the memory card and stick .TXT extensions ...
