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ScrollsHello. Ive been working in scroll routines and I want to show you them. First, one vertical 2 pixels scroll routine with 13 sprites [youtube]D-T3…
... game or engine :)
In such case use could:
- store a value in memory - set it to 0 ... -
ScrollsHello. Ive been working in scroll routines and I want to show you them. First, one vertical 2 pixels scroll routine with 13 sprites [youtube]D-T3…
... buffers) of data and fill in new map data at the ... buffer that you pixel-scroll in memory.
(b) is something ... scenic blocks. You store each block pre-shifted in 2-pixel steps ... -
ScrollsHello. Ive been working in scroll routines and I want to show you them. First, one vertical 2 pixels scroll routine with 13 sprites [youtube]D-T3…
... of data and fill in new map data at ... buffer that you pixel-scroll in memory.
(b) ... blocks. You store each block pre-shifted in 2-pixel steps ... to begin to think in pre-shifted blocks, but ... myself.
Anywany in 4x4 steps the routine desn ... -
Fast and easy read/write of attributes?What are the fastest or easiest ways to check the attributes of tiles on the screen, in BASIC? It seems to be a great way of storing object info. …
... address of the specified attr in memory
ld de, (posx)< ... address of the specified attr in memory
ld de, (posx)< ... , y coords in de to return attr address in memory in HL
ld ...
ld l,a ; store away in l.
and 3 ; mask ... -
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 …
... is stored as a record in memory - it's the size of ... overruns into dangerous areas of memory easier to prevent.
store the address of the last tile in a variable ... adding a new tile? Well, store the start address (null to ... -
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…
... speed = have left and right in memory.
Need the Space = have ... bombs, explode them etc),
store the tile value under the ... is done for each sprite in turn.
redraw ... used some of that extra memory in expanding the drawing routines (taking ... -
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…
... speed = have left and right in memory.
Need the Space = have ... bombs, explode them etc),
store the tile value under the ... is done for each sprite in turn.
redraw ... used some of that extra memory in expanding the drawing routines (taking ... -
Early thoughts about creating a text adventureSo I always wanted to create my own ZX Spectrum text adventure. I tried looking at PAWs and GAC, but frankly I'm probably too stupid to use them. I…
... load in pictures. As there isn't an awful lot of room in memory ... version of The Hermitage had pictures on the B side of ... -
Speccy Vs Amstrad CPC Vs C64I hope no one minds me posting this here as well as in the announcements section. I'll delete it if there is a problem. It's childish fun but can I …
... ramdisk with files currently stored in memory. My copy was modified to ... word processor and laid out in the desktop publisher flowing text ... of RAM was needed to store the display file and a ... were compromises made in the arcade machines and in the home computer ... -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... are going to store it. The last ... try moving up in memory to see if ... uint16_t x; // x coordinate in pixels
uint16_t y; ... uint16_t left_margin; // left margin in pixels
uint8_t space_expand; ... -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... /> ld l,a ; store away in l.
and #3 ... /> ld l,a ; store away in l.
and #3 ... there are no surprises in signed / unsigned conversions
in memory (re: sections).
< ... executable code so place in user code section
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... your code will be placed in memory.
"test.c" - c ...
ld l,a ; store away in l.
and 3 ; ...
ld l,a ; store away in l.
and 3 ; ...Floating Point Package Math48<br>I came across a neat little floating point package for the z80 and I'm adapting it now to work with z88dk and sdcc. There is an interesting…
... copy floats to/fro memory so you have to ... -bit but arrangement is different in memory.
What ... and for loading/storing to memory. You have to have ... : you’re certainly saving memory in arrays of floats, if ... see any reason not to store τ/2 if you need ...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…
... Airwolf (and manic miner) in the Windows store!
Windows ...
Regarding contended memory, play 16k games on your ... looked at this was contended memory sped the 16K games (& ... where the state is stored in memory and then for your ...List of games with speech?Has there been a thread yet, listing all the games with speech ? (without Currah) I can remember how impressed I was the first time I heard my Spect…
... ! (Someone could fill me in on the technicalities if they ... waveform of sound coming in. Store them all in memory and then you can ... play them all back in the ... anything I heard in a released game. Obviously memory is precious, so ...ZX Spectrum+ adviceHey all, I just got a ZX Spectrum+ from eBay and I'm not sure yet what to do with it. I wanted to first take a peek inside, see what issue board it i…
... , a device has to store the video information in memory. In fact, it has ... to store a complete picture. At ...ZX81 Character SetHello, hope I don't offend anyone with my request. I've put together a program on my Amstrad that redefines a condensed text and displays it appropri…
... you'd need to store the font data in memory using other means ... save it with the array in memory - make sure you never RUN ... will erase the array in memory
In any case you'd ... floating point number in memory uses five-bytes; in a program it uses ...Internet enabling a SpectrumHi, Yonks ago, I floated the idea of using one of these: http://www.mycal.net/old/wsweb/img/s7600a.pdf ..to Internet enable a Spectrum. I d…
... assigned to sections. The memory maps all have sections ... static variable to store state defined in file [url="http ... memory map determines where in memory these sections are located. The memory ... />
"Mission Accomplished" in the George Bush sense. If ...Variable sized tiles /tile routineHow would you do a variable sized tile routine where the tiles have position variables too? Thanks would be interested to learn :)
... code to a specific address in memory, then load it into the ... emulator, you can inspect the memory with the debugger and insert ... ), Y(byte), Graphic-N(byte), in which case you do need ... like doing 'PUSH HL' to store a pointer, while it's ...Can anyone show a slight diagram of how pokes work in a jet set willy game for example?I know its kind of something to do with machine code and Memory addresses etc but would be nice to see a youtube video or some drawings etc ? .Many t…
... the assembler where to store the code in memory
LD HL,16384 ... ;point to the start of screen memory ... the pattern to display into memory at HL
INC ... probably start a new thread in Development, since this one is ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... />
Essentially these pictures show the difference in size between a PC ... has on being able to store them in a plastic IDE style ... the case were "slightly tongue in cheek" but "you never know ...ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
... need to store all of my compressed data in 128k ... require source and destination addresses in memory at the same time. ... for bank 2 only, store it at the beginning ... for bank 0 only, store it at the end ... decompress block 1 to main memory, proceed as follows:
Function with push and popIm trying to see if I understand push and pop when it comes to using to pass parameters to functions: [code] LD HL,16384 LD A,5 Push AF Ld A…
... to store working values on the stack or in static memory and ... using indexed memory locations. If you store stuff in static memory instead, for ... it into a register from memory and then perform the ... br /> 199 ; A picture of memory at this point:
200 ...Function with push and popIm trying to see if I understand push and pop when it comes to using to pass parameters to functions: [code] LD HL,16384 LD A,5 Push AF Ld A…
... 858112"]We have several examples in the z88dk library. There are ... it in registers or pre-allocating a set amount of memory since ... it is typically known in advance, more ... you might want to store them in the memory like this:
< ...P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... of gfx you need to store in memory the target is probably 128 ... that it can be drawn in very fast way or do ... that will scroll slowly (and in that case why not splitscreen?).P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... of gfx you need to store in memory the target is probably 128 ... all feedback, but I'm in the process of finishing a ... that it can be drawn in very fast way or do ... that will scroll slowly (and in that case why not splitscreen ...P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... of gfx you need to store in memory the target is probably 128 ...Database model ZXDBRecently, I have been trying to figure out how to provide my contribution to whoever takes over WoS archive rework next... So I came up with this: …
... it already, see the link in my previous posts :)
[/quote ... to transfer data or temporarily store a full data snapshot.
in a single file the metadata ... phone RAM. Because they are in memory, searching is also very fast ...We need to talkInstead of bitching and sniping on here, how do people feel about an IRC chat next Saturday? I'm sure I can highjack a channel somewhere...
... is to simply process everything in memory. About once per day, load ... the entire database into memory at once, converting it into ... ready, then replace it all in a single operation. Scalability would ... an edited page, don't store it into the database yet ...Must be missing the point - machine code... Hi Folks, Trying my hand at machine code again but falling at the first hurdle. I hand crafted the following to run at address 62000 and the co…
... 62003 LD (62000),A ; Store bit pattern $32 $30 $ ... ; POKE bit pattern in to screen memory $77
... 62029 LD (62000),A ; Store bit pattern $32 $30 $ ... after entering the above in memory, if I look a ... as DJNZ $F28D (62093 in decimal)?
...
