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Copying data between memory banks in USR0 modeI am experimenting with Funky Fungus to load the majority of its data (levels, screens, music etc.) into memory banks 1, 3, 4, 6 and (partly) 7 by sw…
... with Funky Fungus to load the majority of its data (levels, ... first thing you need to do is make sure your ... 0. So if you want to copy the contents of 1, ... You could use a routine to copy all the bytes via registers ... as a buffer. That way you only page the screen ... -
Asm routine for AY playback?Hi, is possible to create and "name" an asm routine for playing some ay data? If yes, how? Example: Ok , I've finished a sound tracker song, now I n…
... option of saving the song data without the player is mainly ... to save space.
[/quote]
How should I copy the ... player routine code in a readable way into ... background, you'll need to find some way to continue calling the 'play ... -
Copy 4Kb in Assembly?Here's an interesting problem: what's the best way to copy a block of 4Kb in assembly? The most obvious solution is to use [B]LDIR[/B]: [CODE] l…
... about 20% faster when copying data to contended memory (except on Spectrum ... . If you are always going to copy a block of bytes outside ... will always copy a block of bytes in the same way and ... -
Copy 4Kb in Assembly?Here's an interesting problem: what's the best way to copy a block of 4Kb in assembly? The most obvious solution is to use [B]LDIR[/B]: [CODE] l…
... 20% faster when copying data to contended memory (except on ... re talking about writing to contended RAM then hopefully ... LDI is still preferable to PUSH though, like when ... you are always going to copy a block of bytes ... copy a block of bytes in the same way ... -
IF EXIST?In MS-DOS scripting, there is an IF EXIST command that lets you check wether a file exists in disk or not. There are any way to check it out from BA…
... .
There are any way to check it out from BASIC ... /> this routine permits the directory to be catalogued in a number ... amount of disk space allocated to the file, not
... command has been used to reduce it to somewhere below
C000h ... -
Copy 4Kb in Assembly?Here's an interesting problem: what's the best way to copy a block of 4Kb in assembly? The most obvious solution is to use [B]LDIR[/B]: [CODE] l…
... RAM, but there's no way to avoid the screen located in ... However if you really need to copy each attribute immediately after each ... case, the buffer would store data in the following order: 1st ... code above could be optimized to copy pairs backwards, as follows:< ... -
ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... driver is still on the way.
[/quote]
That ... I've found a good way to do things but I've ... /0B6XhJJ33xpOWeXRsci1tT0ZEVms/edit?usp=sharing"]font data structures are exposed through C ... a structure so you can copy new states in or easily ... -
Downloading code to physical hardwareHi folks, Back in the day, my devkit was a TRS-80 and I had a simple connector device from the TRS-80 parallel (printer) port to the expansion bus o…
... card or hard drive to copy the latest file to test onto it ... PC.
The other way to get code into the spectrum ... menu and use the option to load data directly into RAM. Again ... makefiles set up to copy compiled and assembled binaries to the root of ... -
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... scripts - you also need a way to post an 'on-exit' script ... programmed to reset all the flags. That way, if you try to operate ... don't have to have your entire map data live. To open a ... have to modify the underlaying map; you just need a temporary copy ... -
Changing the font in z88dkEither I've got this backwards or the documentation is incorrect... :smile: "[URL="http://www.z88dk.org/wiki/doku.php?id=platform:zx"]The standard Z…
... We'd like to be able to transparently compile programs ... to manually arrange things. The easiest way to deal with bankswitched memory is to ... main 48k and just copy data from the extra memory ... easiest' step is to separate code and data that is compiled ... -
About how z88dk generates code and makes room for variables.When you attempt to code games for the 128K models using z88dk in C you need to somewhat control where variables are stored in memory. I thought tha…
... a straight uncompressed copy of the global data and memcpy that ... requiring the crt / environment to initialize global data properly.
... once) into a specific data section? If not you ...
Yes the way to force it is to purposely make the variable ... -
Convert .mid files to .asm for AYI've had a mess about with Midibeep for converting midi files to Basic BEEP statements with little success, it got me wondering if there were a progr…
... .PT3 files or dump the data directly into .TAP files)... Each ... in the file browser to spit out a copy...
The ... tool is meant to complement Vortex ... I think this is the way to go...
Hope that ... -
Turbo save?I'm doing some experiments with turbo loaders, and I don't know how to save turbo blocks on virtual tapes. Spectaculator and fuse don't seem to save…
... there is a way to convert those timing values to anything I can ... this by adding turbo data, this will append to the standard block ... in ZX-Blockeditor using a copy of your TZX with everything ... of code to turbo (there's also some program data and variables ... -
A "generic" loader for +3(e)I've made this loader for 128k games in +3DOS. [CODE]dos_open equ 262 dos_close equ 265 dos_abandon equ 268 dos_read equ 274 dos_write equ 277 dos_s…
... than 173k) and then copy them to a custom disk.[/QUOTE]
to do it that way. I can't see any way to edit ... leaves the blocks of data with no way to give it a dos ... -
OPUS Discocery DriveHi, since I am new here pls. excuse my bad English. I have a problem with 2 OPUS DISK Drive. One of them is working fine the other not. So I decided…
... on the second drive to the second right location ... ]Is there an easy way to check that the additional ... if found, the pointer to a copy of the 'main ... table' that gives access to the ... or else use INKEY$ #4 to read data.
[QUOTE=schombi; ... -
Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…
... /> DVI/HDMI would be great! Way beyond my "teach yourself" hardware ... and pulled up a few data sheets. They might as well ... device?
I tried to copy your clock regeneration approach for ... . It would be nice to be able to just use one crystal ... -
esxDOS v0.8.5 released (with TR-DOS emulator)Yup, you read right! Now with TR-DOS emulation! More info and download here: [url]http://www.esxdos.org/[/url] Enjoy :)
... like to have a sorted listing of files, the only way to do ... this is to rearrange the files on ... show sorted files and transport data between FAT32 and TRD image ... ".ls"...). Then please copy max. only 700 files to each directory. Some ... -
UDG tricks?I always enjoyed using [URL="http://www.worldofspectrum.org/ZXBasicManual/zxmanchap14.html"]UDGs [/URL]for the 'sprites' in my games, when I coded th…
... of 160. That way you only have to POKE the high ... the system variable to point to the copy. Then you can ... either ATTR or data poked into RAM to remember what's ... for that.
To copy a UDG from a character ... on screen, then copy it to the first byte of ... -
What if Sinclair had released a 16 bit Spectrum?Had Sir Clive not wasted his companies money on the white elephant that was the C5 and instead focused on competing with his rival computer manufactu…
... attribute cells; they default to 8x8 pixels but i ... seem to be any penalties to changing where the colour data ... in, that allows you to shift graphics around fairly ... and length for a copy and give it a kick ... sources and there's no way to say "write six bytes, ... -
ZX-Paintbrush 2.3 publishedDear readers, Today, I published version 2.3 of ZX-Paintbrush. Inspirated by kgmcneil, I decided to follow his ideas and implemented a switchable p…
... needs a fast and easy way to flip between displaying and non ... have to cut one out, place it, then select it, and copy ... it allows drawing using pixel data only without attributes, if he ... allows drawing only the attribute data from the clipboard selection without ... -
ZX-Paintbrush 2.3 publishedDear readers, Today, I published version 2.3 of ZX-Paintbrush. Inspirated by kgmcneil, I decided to follow his ideas and implemented a switchable p…
... needs a fast and easy way to flip between displaying and non ... have to cut one out, place it, then select it, and copy ... it allows drawing using pixel data only without attributes, if he ... allows drawing only the attribute data from the clipboard selection without ... -
ZX-Assembler file handling concept[QUOTE=clausjahn;777075]Dear readers, At this time, it's a good time to ask you, the future users, how to implement the file usage. Let's suggest so…
... /> Anyone subscribing to this thread should have received a copy of my ... by email. Could someone please copy/paste it here?[/QUOTE]
way to save all edited information that ... generating the above mentioned meta data to prevent of a loss of ... -
Are OpenSE BASIC and SE Basic IV incompatible with Plus D?Hello, I'm considering Andrew Owen's impressive [url=http://sourceforge.net/projects/sebasic/]OpenSE BASIC[/url] and [url=http://cheveron.github.io/…
... /> I used Gasman's HDFmonkey to copy the files across. You also ... agree, it seems the best way to start. Thank you. The G ... there's no support for data files in BASIC). I hope ... 'll be pleased to know that array and data file support is ... -
ZX-Paintbrush 2.5 publishedDear readers, as there were many updates since the last version, I want to bring this to public, so that I hopefully can return back to ZX-Assembler…
... compiling .ZXP pictures into pure data to construct my maps, and ... it with my tools to create tile data for all the ... with the selector, copy the overlay selection to clipboard then use ... be to have an easy way to extract the map elements back to overlays ... -
Game of Life.Last year (I think) or maybe the year before, I entered a Game of Life simulator into the CSS CGC compo but for the Sinclair ZX81. I decided to port…
... a couple of small corrections to the BASIC runner last night ... 21: Added a PAPER 1 to the second PRINT.
[*] ... from "LET i=CODE i$" to end of line.
[*] ... INKEY$=" " THEN GO TO 12
17 GO TO 14
< ... 20 IF den THEN GO TO 29
21 PRINT AT ... -
Creating a linked list in Z80[FONT=Calibri][SIZE=3]I am using a circular buffer to store tiles to be displayed on the screen. Tiles only appear for a set period of time, so when …
... br /> OK, here's the way to extend it.
... bc, 6 ; copy sprite data (6 bytes) to end of queue
Whenever you need to remove the oldest tile, simply ... /> add a, 6 ; move to next live tile
jr ... -
Megatree DevelopmentHi All, I have been messing around with developing a concept for the unwritten game Megatree. Here is a video of what I have so far written on a 48…
... is to shift what's on screen (or a copy held ... of the level data. The problem is, to shift a block ... of data by two pixels ... as much pre-stored graphics data as 2-pixel precision.< ... it down because the only way to do that is lower the ... -
SpritesYes yes, I know this has been hashed over plenty of times before, but... I have knocked up a quick tiling routine which works with my back buffer co…
... back buffer was the only way to go, as the entire screen ... check everything
Update map data (update bombs, explode them etc ... for each player to a tile buffer,
copy ORing/ANDing the ... tiles
copy the tile buffer numbers to the map data - this is ... -
SpritesYes yes, I know this has been hashed over plenty of times before, but... I have knocked up a quick tiling routine which works with my back buffer co…
... back buffer was the only way to go, as the entire screen ... check everything
Update map data (update bombs, explode them etc ... for each player to a tile buffer,
copy ORing/ANDing the ... tiles
copy the tile buffer numbers to the map data - this is ... -
64x48 monochrome big pixels display ideaHi. I was playing with this idea of having a simple 64x48 bytes buffer, 1 byte per pixel, then a renderer which would take that buffer and render it…
... do 32.
One way to optimise the colour combining is ... jump back to the start, which already holds an identical copy of ... method is to wrap-around as you do a copy. For horizontal ... /> Vertically, you just add some data to the end of each line ...
