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zx81 loading and saving codei cant get registered with the zx81 forum, so i thought id try here. how is this done? ive tried loading and saving using code xxxxx,xxxx but nothing…
... place where machine code may be stored is in the variables ... ). You may now write your machine code.[/quote]
[ ... you wish to access the machine code.[/quote]
[ ... point is that having stored machine-code in the variables area, any ... -
zx81 loading and saving codei cant get registered with the zx81 forum, so i thought id try here. how is this done? ive tried loading and saving using code xxxxx,xxxx but nothing…
... place where machine code may be stored is in the variables ... ). You may now write your machine code.[/quote]
[ ... you wish to access the machine code.[/quote]
[ ... point is that having stored machine-code in the variables area, any ... -
zx81 loading and saving codei cant get registered with the zx81 forum, so i thought id try here. how is this done? ive tried loading and saving using code xxxxx,xxxx but nothing…
... place where machine code may be stored is in the variables ... ). You may now write your machine code.[/quote]
[ ... you wish to access the machine code.[/quote]
[ ... point is that having stored machine-code in the variables area, any ... -
i am currently listening to........as i couldnt seem to find the old one, i didnt look that hard :P ive started a new one right after somebody asked me for some slayer ive rediscovere…
... cannot get my head around machine code in its simplest form, never mind ... -
i am currently listening to........as i couldnt seem to find the old one, i didnt look that hard :P ive started a new one right after somebody asked me for some slayer ive rediscovere…
... cannot get my head around machine code in its simplest form, never mind ... -
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... br />
Anyway...
In early May, Daniel Aguilar sent ... survived on ZXDB in its original form in a microdrive image ... have worked because there was machine code in the 48K printer buffer. The ... there's 69.6K of code to wade through, this will ... -
Any adventure game frameworks written BASIC ?I remember INPUT published a simple adventure game, with about ten locations. It was all written in BASIC, but it provided a program framework one co…
... writer won't need machine code interpreters nor independently moving ... -in was the INPUT Text Compressor, although it was machine code ... to poke the machine code in should be in the archive as ... a HEX dump of the machine code routine for the compressor / ... -
Football Manager revisitedHello everyone The latest version of my Football Manager Revisited game is now available. you can download it free of charge here: [url="http://fm…
... There is about 4K of machine code in the game to speed things ... majority of the coding is in Basic. Even using 128K, ... had to be creative in coding and data storage ... squeezing more and more features in!
The ... come a long way in 10 years and it' ... -
Football Manager revisitedHello everyone The latest version of my Football Manager Revisited game is now available. you can download it free of charge here: [url="http://fm…
... a 4k of machine code) . I think I am right in saying very ... /> And was the 4k of machine code in the game already? Or was ... -
Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]
... got my first 16k Spectrum in 1983 and have loved the ... to write my own programs in BASIC and then with the ... text adventures. I was interested in using an emulator for nostalgic ... !
I tried to learn machine code in my teens but was never ... -
CODE SCREEN$ in MCIs there any way of determining what character is displayed at a certain co-ordinate from machine code like the 'IF CODE SCREEN$=' arrangement in bas…
Is there any way of determining what character is displayed at a certain co-ordinate from machine code like the 'IF CODE SCREEN$=' arrangement in basic? -
Screen damaged while loadingI've written a simple Spectrum game and did a loading screen for it and now i'm trying to put it together into tzx file. My Basic loader is really s…
... Spectrum game and did a loading screen for it and now i ... is that after screen is loaded,
Spectrum starts loading data and ... types ugly
"Bytes:code" statement into screen, just ... avoid it without writing own machine code loader? -
Adjusting your code for screen refreshingOk, I'm aware that I should know it already after writing 5 Spectrum games in machine code but interrupts and screen refreshes were always my weaker …
... writing 5 Spectrum games in machine code but interrupts and screen refreshes were always ... perform HALT command in machine code, the computer will wait until screen refreshing reaches ... />
Is there any way in machine code to determine where is my ... -
Loading screen recreation in HTML 5I have just developed a LOAD "" SCREEN$ simulation using the new canvas object in HTML. It is imitating the image bytes loading, as well as the attr…
... a LOAD "" SCREEN$ simulation using the new canvas object in HTML.
It is imitating the image bytes loading ... -
What memory pages are being used in a +3DOS disk operation?To make a long story short: what pages are in use by +3DOS while doing read operations from the disk drive? Now, for the details, for those interest…
... br />
The procedure for loading blocks into pages is really ... (page 2), and then, from machine code and interrupts disabled, I copied ... the part loaded at the screen. After that, the game * ... to sound but no action in screen, or simply reboots.
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…
... "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although ... copy a SCREEN$ (or any segment of memory) in ZX BASIC ... , then press "j", the screen will erase and then will ... quickly as doing an LDIR in machine code, but using only standard ZX ...Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …
... /> .msgfir defm " PRESS FIRE "
[/CODE]
On entering the ... loading characters, and calling RST 10, but nothing appears on the screen ... the lower part of the screen in dull white - [I]not ... work.
Thanks in advance for any help you ...Spectranet firmware update: TAP file loading fixArchie Robins discovered a problem whereby interrups were being erroneously enabled on the return from a tape trap (that is, when TAP files are being…
... /> Follow the instructions given on screen.
The new ... or some other code in the case of loading headerless blocks or ... otherwise directly called by a machine code program.
... program that's loading blocks has code running in the ZX BASIC ...Manic Miner - Loader And Screen DifferencesThere are some changes between the various releases and re-releases of Manic Miner with both the loader and the loading screen itself. Here I'll deta…
... both the loader and the loading screen itself. Here I'll detail ... and has two slight variations in code)
The Software Projects ... (shown on loading picture) is the pic code starts with a ... machine. Again a short one 256 bytes again. The game code ...128 BASIC-compatible way of loading BASIC as code?On a 48K Speccy (or from 48 BASIC or USR 0 mode on a 128K machine), one can do a silly trick like this: [code];; load a 4000 byte BASIC program ld i…
... machine), one can do a silly trick like this:
[code ... ),1
ret[/code]
Ta-da ... BASIC, it all falls in a heap; symptoms ... a total crash. Loading BASIC as code from the 128 ... it's the return from machine code that doesn't.
...How were game loading screens composed back in the day?I've often wondered while waiting for loading screen to materialise line by line how these were actually made prior to saving them as code or screen$…
... often wondered while waiting for loading screen to materialise line by line ... prior to saving them as code or screen$. For example, I can ... hit SAVE "something" SCREEN$. But some of the loading screens I see ... were designed and coded back in the 80s.New Game (2016 revival): A Yankee in Iraq (1992)Hello everyone, Way back in 1992, I wrote a shoot-em-up called [i]A Yankee in Iraq[/i]. The entire game was written in Sinclair BASIC. Recently, I…
... The entire game was written in Sinclair BASIC. Recently, I ... assets—the loading screen, music, and UDG—were lost.
In an ... beginner’s tips on loading BASIC using machine code can be found here ... the top of the menu screen. This is necessary, as ...spectrum mode smiilar to c64?i dont know much about machine code assembler routines, zilch actually to be honest, ive always fiddled with basic on my spectrum, only doing maybe a…
i dont know much about machine code assembler routines, zilch actually to ... doing maybe a couple of machine code programs out of issues of ... wonder why this wasnt used in spectrum games. this mode on ... I know of, the screen is the loading screen of The Last Ninja ...Yet Another Speccy Quiz (not too hard)OK! I thought I'd chance my arm at one of these things. I must say I've found the recent quizzes WAY too difficult, so I've pitched this one at simpl…
... noise of the "Sabre Wulf" loading screen.
in ROM cartridge format. ( ... 7a. ...and what rival machine's loading scheme did both programs emulate ... programs that required 'LOAD "" CODE' were f*&!ing ...Solution for overwritten stack in 48k SNA filesIt has been known for quite some time now that the 48k SNA file format has one serious fault, which is described in the file formats section on the W…
... bytes of data (or program code) in RAM and therefore the snapshot ... time annomalies appear on the screen. In the time of 48k Spectrums ... />
When loading a snapshot, it first reads in 49179 bytes of ... of a SNA file before loading or something like that, so ...ANN: Spectaculator 5.1Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emulates the 16K/48K/128K/+2/+…
...
What's new in version 5.1
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machine at the same time. (Actually, I just removed the code which ... o Support for the built-in RS-232 serial port of ... o Support for the built-in Centronics parallel port of the ...ArtistryIn my younger days (and to a certain extent, now) I was always intrigued about how the loading screens were constructed. Back then I'd assumed it was…
... intrigued about how the loading screens were constructed. Back ... and even after typing in the slightly hard to ... br />
Hence, in the Dragon's utterly mad ... 3 fills the entire screen, unless there's a ... machine code, but has anyone worked out a way to do this in ...How to program Machine Code on a PC, and then run it on a speccy?Well, I've been looking into MC a bit more deeply recently - I reckon I could get my head round MC now. Back when I was a teenager, I couldn't see th…
... like random numbers on the screen! Now I understand a bit ... a bit cumbersome to actually code it on the speccy - what ... copied here from a thread in the games forum which is ...Machine Code Sprites Example Code Using Char Based SystemBelow is my WIP code to do smooth screen wrapping sprites using char positions and offsets, as opposed to writing direct to a line (0-191) and shifti…
... is my WIP code to do smooth screen wrapping sprites using ... is the only area, in theory left moving sprites are ... Store the X char accross in a, eg.A=20< ... ; Store the Y Char in L, eg. L=10 ... thus moving 256 bytes forward in memory to FB0Ah
...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] ; ***********…
... spectrum using TASM
[code]
; ********************************************
... ;interrupts. Jump to 0056 in ROM
jp 56 ... Entry:
; HL Contains Screen Address
; DE Contains ...
