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Memory move routine?Hi Folks, I have been searching for the thread that covers the memory move routine that uses a$=b$ via DEF FN. I thought it was written by Battle B…
... the thread that covers the memory move routine that uses a$=b ... -
Memory Map/ContentionHi I'm new to speccy coding (well I did some z80 coding a few years back - like 20yrs ago :) ), and I'd like to get back into writing some scrolling…
... this a correct map for memory contention?
Address Size ... 08k Contended Memory
8000-FFFF 32k Fast Memory (well normal memory really :) )
The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…
... is just a smart DMA memory move. It would be part of ... modes to be just as fast as the original one. But ... a major rework of the memory and video timing unless you ... to the standard speed for memory accesses. But that's only ...What if there was no memory or space limitation?What if there was no memory or space limitation? We've had topics about the limitations of the Speccy's hardware, topics where we discussed how good …
... ]I do use BB's Memory Move routine but I was not ... your BASIC program fits below fast RAM.128k gamesHi. I've come to World of Spectrum for advice. I'm a Commodore guy OK, please be nice to me, as I seek your wisdom! I love the Commodore 128, and I'…
... memory And on a Spectrum, you can't move ... is independent of the memory paging bits, but they ... b) all four uncontended (fast) memory blocks, but with no way ... developers used the 128K memory as little more than ... use all that extra memory for anything in real ...Ports AccelerationOn ZX48 or 128/+2(grey) is contended and uncontended ports. For example: if you will read 512 bytes sector from IDE device to ZX ram via INI or INIR,…
... and A14=0, ports is fast (uncontended)
If A15=0 ... =1 and A14=1 and fast memory page is set, ports is ... fast (uncontended)
If A15=1 and A14=1 and slow memory ... read sequence 256bytes with all fast ports:
LD A,63 ...New Spectrum Computer DevelopmentHey does anyone know of any decent new Spectrum clones being developed? I find it amazing how Zilog still produce a Z80 backwards compatible chip (an…
... almost four times as fast as the old Z80 chip ... clocked at 150 MHz if fast memory is used (i.e. ... of 16 MB of memory without a memory management unit, by ... The chip has a similar memory interface to the Z80 family ... with on-chip flash memory and on-chip zero ...Speeding up select processing...Hi Folks, I have the following code in my program and it works fine but is rather "sluggish". I have even moved it to the beginning of the program …
... attributes using the cool basic memory move routine and go to line ... . Releases the memory used by the cool basic memory move routine to store ...Justin Beeper - new demo for the unexpanded 16K Speccy[img]http://pouet.net/screenshots/57726.png[/img] This was my entry for this weekend's [url=http://www.sunrisedemoparty.co.uk/]Sunrise[/url] demo pa…
... stylee, and the lack of fast memory on the 16K means that ... only having 9K of usable memory to play with, of course ...Model Railway Timetable Version 1.4.12.0313...Hi Folks, Since November 2010 I have been working on my [B]Model Railway Timetable [/B]software. Thanks to the considerable help and patience of yo…
... print routine (Tony Samuels)
* Memory move routine (Battle Bunny)
* New ... extensive tips/tricks to reduce memory and/or increase performance. Getting ...Exact emulation of the Snow effectAs the original post on another forum is outdated, and for those who don't know about that forum, I duplicate this info here: At the beginning of …
... data by the ULA and memory regeneration by the processor. ... ULA screen data and memory regeneration leads to the ... an address in the slow memory. For Spectrum 16/48 ... does not point to slow memory, and interrupt vector does ... snow it's always fast memory page.Method to read byte as binary string rather than dec?Hi all Am fiddling around with the screen buffer and have written a routine to scan the screenbuffer into upper ram and then write it back in upside…
... ability to express such a memory move that would have an efficient ...What WAS going to be bundled with Bandersnatch?Just saw a documentary about the death of Imagine ( [url]http://video.google.com/videoplay?docid=-1012096952890708986[/url] ) and apparently they wer…
Most of the speculation is just essentially a maths co-processor with hard-wired matrix-based algorithms and fast memory manipulation algorithms plus memory store.SCR to SCREENS$Hello, is there a way to convert a .scr file back to a screen$ to load it into an emulator? Thanks!
... a different area of memory, move blocks of memory around, use clever POKEs ...Ports AccelerationOn ZX48 or 128/+2(grey) is contended and uncontended ports. For example: if you will read 512 bytes sector from IDE device to ZX ram via INI or INIR,…
...
On ZX48 is uncontedned memory area 32768-65535, but on ... area 49152-65535 slow or fast memory page. If page 0 ... or 6 is set, memory 49152-65535 is uncontended. ... or 7 is set, memory 49152-65535 is contended. ... slow-down method as for memory. For example: if ...list of ZX games with raining effect(ula snow)If you know any ZX games with raining effect in screen, then add game name to list. I know about this games only: (tested on real ZX128+2 - grey) 4x…
... register I is set to fast memory = no snow. (ZX48 ula snow ...list of ZX games with raining effect(ula snow)If you know any ZX games with raining effect in screen, then add game name to list. I know about this games only: (tested on real ZX128+2 - grey) 4x…
... register I is set to fast memory = no snow. (ZX48 ula snow ...RZX - The possibilitiesI understand why an RZX can't be searched with a slide bar the same way we do with a regular video file. But I think it could be done. I'm thinking …
... with video files: Rewind, Fast Forward, move Playback slider to a different ...RZX - The possibilitiesI understand why an RZX can't be searched with a slide bar the same way we do with a regular video file. But I think it could be done. I'm thinking …
... with video files: Rewind, Fast Forward, move Playback slider to a different ...Accelerated spectrum?Hihi Has anyone managed to replace the Z80 in a spectrum with a Z80B? Just wondering if it'd be possible to have a couple of crystals switchable to…
... -16384 is possible connect 16kB fast memory (no slow-down by ula ...about ZXAM Amiga emulatorHello I have a question, ZXAM was shareware... do you know if Aminet ZXAM is shareware version or registered version. i am very interested in ZXA…
... speed. You had to have "fast memory" to come close if I ... get it optimised and working fast enough? {shrugs}about ZXAM Amiga emulatorHello I have a question, ZXAM was shareware... do you know if Aminet ZXAM is shareware version or registered version. i am very interested in ZXA…
... speed. You had to have "fast memory" to come close if I ...about ZXAM Amiga emulatorHello I have a question, ZXAM was shareware... do you know if Aminet ZXAM is shareware version or registered version. i am very interested in ZXA…
... speed. You had to have "fast memory" to come close if I ... get it optimised and working fast enough? {shrugs}[/QUOTE]
New Spectrum Computer DevelopmentHey does anyone know of any decent new Spectrum clones being developed? I find it amazing how Zilog still produce a Z80 backwards compatible chip (an…
... , but almost four times as fast as the old Z80 chip ... clocked at 150 MHz if fast memory is used[/quote]
New Spectrum Computer DevelopmentHey does anyone know of any decent new Spectrum clones being developed? I find it amazing how Zilog still produce a Z80 backwards compatible chip (an…
... almost four times as fast as the old Z80 chip ... clocked at 150 MHz if fast memory is used (i.e. ... of 16 MB of memory without a memory management unit, by ... The chip has a similar memory interface to the Z80 family ... with on-chip flash memory and on-chip zero ...New game - W*H*B - Help wanted!I'm currently writing a version of Cuboid/Bloxorz for the speccy, and was hoping for a little help from the WOS folk, or anybody, in designing levels…
... de-compressor is small & fast. Memory isn't a problem at ...VIDEO to VGA convertor[url]http://velesoft.speccy.cz/other/zx-vga/vga-convertor.htm[/url] Game examples: [url]http://velesoft.speccy.cz/other/zx-vga/vga-games.htm[/url]
... . they require a good quality *fast* 3 channel ADC for the ... cheap), and a good quality *fast* 3 channel DAC for the ... (not cheap either), and enough fast memory to support a 24bpp frame ... means you need vastly less memory too (a 256K frame buffer ...Escape from Kharkhan 'new' gameHi all. For all fans of good games I present the English version of "Escape to Kharkhan". The Russian version was available for quite some time, but…
... (IM2 table is in slow memory 16384-32767)
RESULT ... +fixed (correct register I, use fast memory pages, remove instructions IN 7FFD ...Escape from Kharkhan 'new' gameHi all. For all fans of good games I present the English version of "Escape to Kharkhan". The Russian version was available for quite some time, but…
... (IM2 table is in slow memory 16384-32767)
RESULT ... +fixed (correct register I, use fast memory pages, remove instructions IN 7FFD ...Help! Reverse engineering a Spectrum game[deleted]
... /> 06 - A set of fast memory copy and memory store routines
07 ... - A fast clear screen routine using ... any size
12 - A fast sprite routine, that is; optimised ... and work with a raw memory snapshot of the game from ...
