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Opinion on new 128K only gamesHello, Being new to the WOS community, I am unclear on the attitude towards 128K only software, that is; Is there a strong need to support the 48K m…
... the same question a number of years ago, and most people ... variety, but worring about every last byte is a big headache, so ... being paid to do any of this, and so the easier ... , and the many tools now available are excellent. -
Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…
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A region of repeated BYTES must be available to store the ... end of the last repeated data section.
3) A 13 BYTE final ... clever bit! The very last stream of non-repeated data never needs ... write the count for the last pass of the loop!
New tool: ZXBOOT.EXE[B]ASM[/B] is proud to present the first release of ZXBOOT.EXE: [url]http://www.4shared.com/file/NP-FVOSf/zxboot__beta_.html[/url] ZXBOOT is a comma…
... - Sabre Wulf etc.
RAM paging mode 4 5 6 ... /> I have completely restored every BYTE of the original 48K ROM for ... de
out (c),l ; RAM page select
ld ... />
ld hl,14446 ; Fill last section with 255
ld ...Assembler intricaciesHi all, I've been looking at the internals of a game to see how it all works and I've found some things that I don't understand and can't find any i…
... it's set to 1 byte?
If the former ... - it's a piece of RAM, the start of which is addressed by ... the coder is maximizing the RAM available to him\her.Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…
... the two high bits of this byte select RAM bank). Now look at ... just ONE of the possible layouts ... ) represented by the lower address byte:
[code]
ROW HEX ... ]
We just got the last seventh bit we need, as ...Zx Spectrum 48k+ black screenHi A friend of mine gave me his 48k+ and when i tried to turn it on I just get a black screen of the TV. I don't have sound of the console. Where c…
... /> Hello there, sorry to read of your problem, I have repaired ... available on some models)
3. Check and replace lower portion of RAM ... place the ULA as the last thing to do - as this ... for us collectors and appreciators of the ZX Awesomeness!Recommend a dev environmentIt's been a while since I last wrote any Z80 assembler - must be over 20 years, and since I wrote any spectrum Z80 assembler more like 25 years. I n…
... wrote this cool graphics library last year that has stuff for ... place the seed variable in RAM someplace. Doing this by ... the Spectrum and without linkers available, they would be unnecessarily ... true not having this sort of facility available places a limit on ...SE Basic Type-ins^Pete suggested creating a sticky thread for SE Basic discussion. I thought a Type-ins thread might also be useful. Up to the mods if they want to ma…
... on the AY and the last channel is played on the ... use an external table of 96 double byte integers for each note ... would take up 960 bytes of RAM, but since they are all ... shape. The shape consists of the values of hold (HLD), alternate (ALT ...Copying a SCREEN$ in ZX BASIC in 1 second?!Following on from the revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really only needed a suitable POKE i…
... result of a string function to the free RAM pseudo ... However, if a$'s chunk of RAM is above (but outside) ... to me is, instead of CLEARing RAMTOP down for ... code in BASIC"[/thread] from last August).
... byte steps. Using this trick for copying free RAM ...Games featuring... relevant bugsThere was a recent improvement to the WoS database in order to classify [URL="http://www.worldofspectrum.org/forums/showthread.php?t=34261"]Games fea…
... table starting at 64032 of 9-byte entries, eight for ... drop off the end of RAM and wrap around into ... to add them because of where the character ... of-range characters with something else from the 167 available. ... Here's a display of them all ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... (I promise it's one of the last though), but I still ... compressed block of .z80 file into a temporary buffer, byte by byte (whatever ... 'd fill first five RAM locations with byte of value 5. By keeping ... as soon as all 48K of original RAM were retrieved, I don ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... (I promise it's one of the last though), but I still ... compressed block of .z80 file into a temporary buffer, byte by byte (whatever ... 'd fill first five RAM locations with byte of value 5. By keeping ... as soon as all 48K of original RAM were retrieved, I don ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... ultra-short implementation of
.z80 loading routine, my last step to ... i=16384,block_position=30; // start of RAM and compressed block
AGD 2.6 WoesThis was originally in the New Game Ideas section but thought this would be the best place to post this: I'm no programmer, hence i'm using the exce…
... but a free halfblood offspring of your commercial projects, but it ... be awesome--hopefully every byte will be available ;)
The ... no version to support 128K RAM in the game engine as ... 128K version of the editor which makes use of more of the Spectrum ...Repairing a faulty 48K issue 2.I am investigating one of a pair of non-working issue 2 48K Spectrums that have been sitting in a cupboard untouched for quite a few years. I haven…
... then repeatedly reads each byte in that range and stops ... this over the display area of RAM and lowering the RAMTOP ... over the top half of the lower 16K of RAM.
... over an area of the upper 32K of RAM for a while ... chips that were the last lot I had in ...What spectrum?I am going to have a gent send me some Spectrum hardware in the future. Me being a american and knowing nothing of the sort, what would be the best o…
... signal. There are plenty of documentation lying around in ... and one of the many TV viewers available for these ... lines about the two last options. It's in ... but there are plenty of pictures so you can ... have AY sound (and 128K of RAM :D). Besides, it maintains ...stuck on recursive functionI want this function to PEEK 'l' bytes from memory starting at 's' and return them as a string, but however much I fiddle about with quoting and pare…
... ... errrmmm ... short. Come to think of it ... it should have been ... returns a single character from RAM each time it's executed ... ) will return nothing until the last byte is reached and will then ... , that's my theory, anyway ... Of course, even when a recursive ...BIFROST* ENGINE 1.2 released!Another improved version of the BIFROST* ENGINE is now available! Download it here: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027405[/u…
... to the right, as the last byte drops in just before the ... to revisit the other end of the row as the ... 4x2 pixel colour blocks, instead of 8x1.[/quote] doesn't ... You can push 144 pixels of attributes per line. You have ... the 128 with 2 video RAM pages you can go ...BIFROST* ENGINE 1.2 released!Another improved version of the BIFROST* ENGINE is now available! Download it here: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027405[/u…
... to the right, as the last byte drops in just before the ... 4x2 pixel colour blocks, instead of 8x1.[/QUOTE]
... interesting discussion about this kind of subject [URL="http://www.worldofspectrum ... even more the CPU time available for the user program.
80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…
... the first 16K and 16K of RAM at 0x4000.
[quote ... , if it was available in BASIC or a kind of "advanced" operating ... page the RAM, but as the Timex had full low-byte decoding ... low-byte decoding, so a TS2068 has around 16,000 available I ...SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]
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Been away, the last couple of days and just picked up ... some of the SPECTRA's extra modes (quad + extra colours + double byte ... video using a local copy of RAM and using the Spectrum's ... between the 50Hz (PAL) rendering of the two field scans? SPECTRA ...Some more PC questions1. Since we ended up discussing Linux in another thread, it made me wonder is Linux really, objectively faster than Windows? I mean, can you run, say…
... management around the typical amount of RAM, the available Virtual Address space and ... the typical performance characteristics of hard disk ... CPU actually differ from the last? I mean, I know the ...Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... 32768) and memorable address in RAM
;initialise score
... ll do the first and last of these steps in this ... ,201 at address 33000 in RAM
We'll assemble ... machine stack is in the RAM.
To write to ... bytes and add the low byte of the score in bc ...
