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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…
... syntax, determine the compiled code (bytes), but nothing special will happen ... SNA reader now recognizes the BASIC program and variables area, as ... -code-stuff, where should I store the changed source code?
Utility to create long REM Line for storing M/C program - Maximum BASIC Line LengthHi, I think there was a Utlity or Toolkit to create a long REM-Line under 48k BASIC to store some MCode in it. So I don´t have to type e.g. 5…
... REM-Line under 48k BASIC
to store some MCode in it ... the REM into the first BASIC-Line.
Is there ... max line length in 48k BASIC e.g. 999 Characters or ...Incompressible blocksOne idea I've been pondering about regarding Mackarel is incompressible blocks. If you have a game where you store some data in memory in compressed …
... have a game where you store some data in memory in ... decompress only the first N bytes of the payload, and leave ... side, we can overwrite the basic part too..)..
Anyway ...140 characters Basic game contestHey there, I've announced a new micro contest on my blog (in Czech language only). However, it might be interesting also for the non-Czech/Slovak …
... in the standard 48K Sinclair BASIC that will fit into 140 ... /> - are 21 characters (not 15 (bytes) as it might seem for ... of the standard 48K Sinclair BASIC syntax
[code]1 FOR ...So it occurred to me; "Why bother with going into 48K BASIC when you can just....wrap the machine code calls inside a 'RST #28;DEFW addr:RET'?" Of course, you DO need a small M/C routine to do that, and ta-daaa, here it is: [cod…
... ; hide the M/C from BASIC
Call48 RST #28 ; ... a routine in the 48-BASIC environment
DEFW #2DA2 ; ...
LD (addr),BC ; store the value at 'addr'
BASIC program to poke it into ...How to get more than 21 UDG's in BASIC?So with graphics mode under the G cursor how many UDG's can you do from BASIC is it 21? It's all POKE 65368 and above and it's sequential ABCD.... an…
... 's can you do from BASIC is it 21? It's ... on with each letter 8 bytes which I understand but it ... do I call them from BASIC ?Look whats possible in 924 bytesSo, finally after over a year of development and nearly 25 years since I first designed the graphics, I've actually made it to the point where this i…
... />
The graphics are 444 bytes, whereas when I first designed ... long way to go, saving bytes here and there, but as ... it possible to write a basic GUI and chess game functionality ...ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…
... full LZF can use addition bytes to go beyond 256, I ... //split number into 2 8bit bytes for algorythm
} ... storage
store_l=store+1; // literal store pointer -> start ... /> ;;
;; code for pasmo basic
END $c000
;; ...Is there a way to suppress error R Tape Loading Error in Basic when trying to load only part of fileHi, is there a way to suppress error R Tape Loading Error in Basic when trying to load only part of file. E.g.: I have a Tape-Code-File Start f…
... R Tape Loading Error in Basic when trying to load only ... .g. 40000 which is 7000 Bytes long. Now I want to ... only the first 6912 Bytes and truncate those Bytes which come in ... there a way in Spectrum BASIC (even with a POKE) to ...i need a sideways scrolling program written in basicso like ghosts and goblins it scrolls along with the player. i had help with this before in making a tunnel game but this time i need it to be a able…
... to be a able to store the graphics either in strings ... that i can view in basic to make each screen easier ... . i also need it to store colour information. i dont really ...Can I record binaries from any emulator with Basic commands, machine code, macros or something?Hello I do not know if this is the right place to put this question Normally with ZXSpin if I want to save a binary file, I'm going to: file ->…
... memory address and number of bytes and he records a file ...
directly from commands in basic or from machine code, that ...Is it possible to run a single BASIC line via a ROM CALL of the Standard ZX 48k ROM?On: https://cygnus.speccy.cz/popis_trdos-assembler.php I found the following code: [code] CHADD equ 23645 ; Location of SOS variable CHADD ld…
...
ld (TEMP),HL ; Temporary store of true CHADD
ld ... v5).
Could a BASIC Commandline like:
PRINT "Hello ...How do i learn to programAll the years i had a computer the only one i could program was the Texas Instruments Ti99/4a and when using extended basic with its so simple sprite…
... bit allows you to store twice the magnitude ... long. This means bytes can store numbers up to 255 ... hence store upto 255. Double registers are two bytes ... BC to confirm this from BASIC.
... particularaly good at taking BASIC and making optimised machine ...PAW questionThis may not be the right place but anyways there it goes: I've been trying to figure out how to import graphic files in .SCR format in the PAW parse…
... BASIC before you start the adventure. The next two bytes ... some 128k pages free to store the graphic data.
This is a very basic rountine that is inflexable and ... start...
Anyway the basic idea is to take ... do is to go into basic, SAVE "SCREEN" CODE ...Sync-buzzer, interrupts and general confusionBeen wittering on about this in the Misc group, but thought it was best discussed here. Basically been trying to recreate the Sid-Sound effect from A…
... is the mode that Spectrum Basic normally operates in. The ... ,I*256+1 to store its interrupt service routine ... ,I*256+3 to store its interrupt service routine ... most programmers do is store the same value in ... vector table is 257 bytes long and occupies addresses ...Making a mapI should learn Z80 assembly, but I don't have the time (really busy) and I feel like making a game. I've tried with Colt which gives me enough speed…
... tile data is currently 8 bytes per tile, that is, 4 ... this the best way to store them?[/quote]
Not ... could just have a small basic tile unit with no more ...+D/Disciple games archive?Hi all, Having finally got my disciple to work, I'm starting to have a look at hacking multiload games. Is there any archive on the web with games t…
... z80s) with no way to store data for multiloaders. A new ... jump into it in 6 bytes so what I did was ... room for the extra 4-bytes because the NOPD trap was ... (I always had a short basic loader that loaded in the ...+D/Disciple games archive?Hi all, Having finally got my disciple to work, I'm starting to have a look at hacking multiload games. Is there any archive on the web with games t…
... in "R1.sna" a basic loader is saved with 'SAVE ... I used in the basic loader in R1.sna ... FNAME used to store the filename. I store the address to ... which was loaded by the Basic loader program. You can ... , Spectaculator has a find bytes option as does Warajevo) then ...need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... ;Preserve IY for return to BASIC
LD (SPSTORE),SP ... ;table with preshifted mask bytes for left and right sides ... a suitable part of preshifted bytes...
LD DE,(SCRADR) ; ... />
LD (SCRADR),HL ;store screen address for sprite drawing ...IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…
...
MainLoop:
; Store Registers, as we dont know ... 56 ;for smooth return to Basic
Store the X char accross in ...
; Low Bytes of screen
ORG 0FA00h ...IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…
... Basic
; **** START INTERRUPT ROUTINE ***
MainLoop:
; Store ... H, thus moving 256 bytes forward in memory to FB0Ah ...
; Low Bytes of screen
ORG 0FA00h ...New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…
... for start of BASIC and POKE the first two bytes (corresponding to ... br />
====================
* General BASIC tips
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* Place ... contains various flags controlling the Basic system and generally should ...Game being created with Platform Game DesignerBeen playing with this since yesterday when i bought it from Cronosoft. To someone like me who cant program its excellent to create a Manic Miner st…
... planning to do this in BASIC. Yes, a RET will do ... and store it in the correct address, everything callable from BASIC.
bytes routine was done.
z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…
... I discovered yesterday that the BASIC trick of "switch to the ... to store an entire Spectrum-size screen in memory (6912 bytes) for ...
