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The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …
... uploading/downloading chunks of memory at high BAUD rates. ... ; the way words are stored in memory is backwards.
in any one of four horizontal/vertical combinations saving memory ... playfield character map in VRAM. The memory buffer automaticly wraps ... -
Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…
... -defined to optimise the order in memory.
[*][B]b$[/B] has ... shows that b$ remains fixed in memory this way.
[/LIST]
Print text in assemblyHello, a perhaps simple question: I would like to print a text string on the screen and I wonder how to do that in the most easy way? I seem to re…
... wonder how to do that in the most easy way?
in memory with some string, e.g ... AT 5,10;"Hello", but in assembly.
Thanks![/QUOTE ...Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…
... -defined to optimise the order in memory.
[*][B]b$[/B] has ... shows that b$ remains fixed in memory this way.
[/LIST][/QUOTE ...Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…
... -defined to optimise the order in memory.
[*][B]b$[/B] has ... shows that b$ remains fixed in memory this way.
[/LIST]
in the [B]IF c OR ...Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…
... -defined to optimise the order in memory.
[*][B]b$[/B] has ... shows that b$ remains fixed in memory this way.
[/LIST]
Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…
... dimensional array of size 1x1 (in this case [I]"an ... dimensional array of size 1 (in this case [I]"a ... may seem the same, in practice the ROM needs a ... to figure out the position in memory of this element. The same ... seem the same, but in the latter case the BASIC ...Optimization for this codeHello, I have done and submitted a small program for the CSS Crap Game Compo which involves a machine code routine. The z80 with BASIC and MC is av…
... /> Nice! Is there a difference in the amount of states between ... would do the increase directly in memory I would still have to ...Optimization for this codeHello, I have done and submitted a small program for the CSS Crap Game Compo which involves a machine code routine. The z80 with BASIC and MC is av…
... /> Nice! Is there a difference in the amount of states between ... would do the increase directly in memory I would still have to ...Optimization for this codeHello, I have done and submitted a small program for the CSS Crap Game Compo which involves a machine code routine. The z80 with BASIC and MC is av…
... should do a read from memory into "a" do check if ... to store their state somewhere in memory too..
Perhaps CP ...ZX Spectrum+ Problem - Need help -Greetings guys, I bought one ZX Spectrum+. This is what displays on the TV: [IMG]http://d.imagehost.org/0371/17102010_001.jpg[/IMG] When I switch …
I base my comment on paper picture.
I am sure that picture come from data in DRAM it is init state of cells in memory, and than ULA is able to read data from 4116.
You should got same picture when you remove CPU.
PavelBBC microDoes anyone have a bbc micro? Thanks
... More technically, shadow RAM appears in memory at &3000-&7FFF ... , sideways ROM/RAM appears in memory at &8000-& ... more technically, shadow RAM appears in memory at &FFFE3000-& ... , sideways ROM/RAM appears in memory at &FFFx8000-& ...BBC microDoes anyone have a bbc micro? Thanks
... More technically, shadow RAM appears in memory at &3000-&7FFF ... , sideways ROM/RAM appears in memory at &8000-& ... more technically, shadow RAM appears in memory at &FFFE3000-& ... , sideways ROM/RAM appears in memory at &FFFx8000-& ...Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …
... is often much much smaller in memory than a full blown AY ... ... that too might also reduce memory?
Also... maybe we ... space (the graphics look fine in monochrome)?... Perhaps we could also ...48k games developed on the 128kSeeing as I don't know enough about this subject(or the history of assemblers/C/C++/BASIC/FORTH/COBOL/whatever programming kits), I thought I'd ask h…
... to its limits, in the terms of memory being used as well ... an assembler + program text sitting in memory, we can't write a ... program being placed into screen memory or compiling the program ... without graphics (graphics memory area was used by running ...Lowest safe ramtop for various disk systems ?Can someone give info about lowest safe ramtop for various disk systems ?
... systems had to design them in a way that allow to ... old software without moving it in memory. As far as I remember ...Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…
... the question. I hated storing registers in temporary variables and the index ... .
The 80486 in protected mode (32 BIT) gives ... times faster than my Spectrum in terms of CPU instruction performance ... me after writing assembler day in, day out for twenty ...Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…
... over 99% of immediate loads in CISC code were something like ... with the immediate value stored in memory that many bytes away from ... as an entire ARM core. In handhelds this matters because it ... be an actual execution core. In massively parallel systems it matters ...Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…
... There are enough comments in the above sourcecode for examples ... occurrence.
ORG: Origin in memory of your code - Spectrum values ... to reserve an area of memory.
INCBIN: Include a ... cp a,SCRWTH-SPRWTH' means in the sourcecode - the value ...Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …
... i could manage fit code in less memory than i estimated. revisited ... track - ending titles - to be in memory pernamently.
bad news: still ...Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…
... in about seven seconds.
Works with 2M cable.
Small memory ... /> Download data to 48K memory map providing download link is ... /> Upload data from full 64K memory map.
Catalog +3DOS ... br /> Jump to an address in memory.
Quit back to BASIC ...Hacking the O.C.P Full Screen Editor/AssemblerIf you have been reading my posts recently then you will know that I am eager to have the sourcecode I wrote for the Spectrum during the period 1988 …
... exactly where the sourcecode started in memory - 89EDh. The next ... out characters with spaces in some cases. I may ... to show the above sourcecode in action:
... graphics is loaded into memory by a BASIC stub ... a .SNA snapshot of memory so I could run ...Hacking the O.C.P Full Screen Editor/AssemblerIf you have been reading my posts recently then you will know that I am eager to have the sourcecode I wrote for the Spectrum during the period 1988 …
... my +3DOS download link was in the way @ 32768..34303 but ... peppered with hard-coded 256 memory page references. Most optimized code ... an even memory boundary.
I'm now in the process ... as they are laid out in memory:
[URL=http://img208 ...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…
... routines. It would involved swaping memory about like a jigsaw puzzle ... be reduced in size thus it could be loaded into memory avoiding ... the Z80 code that sits in memory rebuilding the final snapshot.
memory back to normal and set ...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…
... those as they may come in useful. I think it ... Spectrum allowing it to reside in memory so it can be saved ... We just want a game in memory ready to save. Once it ... to corrupt the screen... in fact the screen will just ... to free 512 BYTES of memory to be able to ...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…
... trying to hold that block in memory)...
Brilliant idea [yeah ...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…
... at the correct place in memory so the last job ... static stream in the output buffer. The last memory fill ... construct the data using memory copies and fills... just ... br /> ; ------------
.copy: ldir ; Memory copy
.next: ld ...later today......[IMG]http://sphotos.ak.fbcdn.net/hphotos-ak-snc4/hs909.snc4/72268_172079126142549_100000213882336_641184_4866225_n.jpg[/IMG] [IMG]http://sphotos.ak.f…
... screen, the loading screen compressed in memory and a tune from Mister ...
