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Restore Registers Returning to BASICI should really know this, but I've not written code that requires a return to BASIC for a loooong time. What registers need to be preserved / resto…
... code that requires a return to BASIC for a loooong time.
to BASIC after calling machine code? I ... ... what else do I need to restore:
[LIST]
... br /> [*]I register?
[*]Stack (to previous value).
[*]IM 1 ... -
Using a multiface to exit to BasicBack in the days I was always fascinated with the idea of getting access to BASIC listings inside a program or game. I was able to work a way around …
... idea of getting access to BASIC listings inside a program ... game. I was able to work a way around ... are some games with a BASIC listing inside the code, ... to know is if anyone remembers any game that has BASIC ... with messages that are waiting to be found (and yes, ... -
Jumping to BASIC after importing 23296,1703Sorry for the confusing title. :-D Now that I've learned how to stop a game from starting after loading (in Fuse and Specemu), I have a few more que…
... that would allow me to safely "jump" to my BASIC program. :)
to BASIC after an USR command ... I have a very basic understanding of m.c ... 1703 bytes just to make BASIC work again? Doesn ... the subject of jumping to BASIC, I find it curious ... -
Back to BASIC[U][B]Archaeology guide to programs compiled used MCODERII.d[/B][/U] After various people have been talking about "Frank'n'stein" I decided to finis…
... makes converting the code back to BASIC much easier.
... will notice there is some BASIC source code between addresses ... compiled code (not the original BASIC address). There are 2 ... [LIST]
[*]base+0 = pointer to string
[*]base+2 = length ... -
Image to BASIC commandsHi all I'm looking for an app that read an image (jpg, gif, etc...) and convert it to BASIC commands (DRAW, CIRCLE, etc...) The images to convert wi…
... , gif, etc...) and convert it to BASIC commands (DRAW, CIRCLE, etc...) The ... images to convert will be simples as ... -
Return to basic from sna created by Z80 compilerHow can I go back to basic when running sna created using Z80 Assembler ([url] http://www.worldofspectrum.org/utilities.html#crossass [/url])? For e…
How can I go back to basic when running sna created using ... pressing "space" I am back to basic prompt.
I tried ... to put "ret" at the beginning to prevent the code ... -
Adding command to BASICI am looking for an article about adding commands via software to sinclair basic. I know there was one published and to the best of my knowledge it w…
... about adding commands via software to sinclair basic. I know there was ... one published and to the best ... This particular article explained how to use some of the system ... commands, new self-made commands to BASIC, is there any articles on ... -
How to return to basic properly from ASMI am messing around with a fast stack copying routine. But I am getting "A: Invalid argument" error when I later return to basic. I know you h…
... " error when I later return to basic.
I know you ... the IY register before returning to basic but my code at the ... well as IY when returning to basic. I think one of the ... -
Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…
... />
I used a basic program to load some "graphic" into memory ... /> I am grateful for any comments and help.
[ ... ;address of graphic loaded by basic
ld b,8 ; ... ]endofprogram[/B]
ret ;return to basic
[B]setcarry[/B ... -
Understanding extensions to the BASIC parserFor a while, I've had a rather 'rinkety dink' extension to BASIC via an RST 8 trap in hardware, just so that I can send stuff to a Spectrum over ethe…
... rather 'rinkety dink' extension to BASIC via an RST 8 trap ...
Yesterday, I wanted to change this to something 'proper' and capable ... was trying to understand what I needed to do to make it ... Also, the Spectrum ROM routines to get the two numeric parameters ... -
txt to basichi to all simple question. do you know of any program which converts notepad txt into basic for instance? just typed 50 linez and after so many year…
hi to all
simple question. do you know of any program which converts notepad txt into basic for instance? just typed 50 linez and after so many years it is painful.
thx
cheers -
Returning to BASIC from asmI never had to do it till now but there is always the first time :) At machine code program start I preserved SP register and all the other ones. A…
I never had to do it till now but ... I get "[B]Nonsense in Basic"[/B] :(
What could ... -
MOVE_M Object Movement Manager for BASICAs moving things around on the screen is usually the slowest part of a game written in BASIC, I've been pottering around with this routine to handle …
... only returning to BASIC when a jump to a collision ... BASIC skeleton program and an extract of the comments ... to restore BASIC:
REM To temporarily enable the keyboard from BASIC ... MOVE_M moving object control for BASIC
; runs with interrupts ... -
Text file to BASICHi, Is there anything available for Windows or Linux which lets me enter BASIC in a text file and convert to a .TAP file. I seem to recall somethi…
Hi,
Is there anything available for Windows or Linux which lets me enter BASIC in a text file and convert to a .TAP file. I seem to recall something being mentioned in the past, but I can't find it via search.
Thanks -
are there any machine code to basic converters?i know it sounds stupid but for amature programmers like me it would be great. i could speed up the basic on an emulator and it would give me more of…
i know it sounds stupid but for amature programmers like me it would be great. i could speed up the basic on an emulator and it would give me more of an ability to play around with games, etc. -
is there a way of adding a define procedure command to zx basic?i know you can add things like renumber, using randomize usr to call it, but this would have to be keywords. this would be so helpful in basic as you…
... like renumber, using randomize usr to call it, but this would ... have to be keywords. this would be so helpful in basic as ... you would no longer have to use goto ... didnt add this feature to basic. this would have to be a machine ... -
Basic listings memory occupationI remember readong someplace that due to basic's representation of number, in a program, in order to save space, it was better to represent integers …
... remember readong someplace that due to basic's representation of number, in ... a program, in order to save space, it was better ... to represent integers by stuff like:< ... -
How to get a TAP directory listing?I want to be able to list a summary of the contents of a TAP file to a text file so that I can add comments to it. I've got several utilities and emu…
I want to be able to list a summary of the ... so that I can add comments to it. I've got several ... feature summary. What's available to do that? (DOS or Win3 ... reader program to send to If.1 and save that to an external ... -
So you want to make a cardgame......but you haven't got a good deck to display. Well here is a fully relocatable routine that will do the job for you. Place the code anywhere in me…
... 40000 ; and DUMP 4e4 to prove relocatable
to PRAT
LD ...
RET ; back to BASIC
prat ... -
Machine code and Basic system variablesSpectrum system variables (I mean 48KB model) are essential for Basic. But what if I started my machine code program and it's never going to return t…
... 48KB model) are essential for Basic. But what if I started ... and it's never going to return to Basic? Can I overwrite system ... . I guess it had something to do with code executed during ... if I don't want to dissable interrupts, can I still ... -
Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... that needs to be done before returning to BASIC
;return score to BASIC
You can TAB comments over towards the right-hand ... the word 'road' in the comments.
At the beginning ... at the end for your comments and suggestions.
main< ... -
Any ideas for extensions to the magazine index?I was wondering if anyone's got any thoughts on any significant areas not currently covered by the magazine articles & adverts index which is incorpo…
... covered, or extensions (such as comments) to existing entries, or any omissions ... when the original magazines are to hand. (All the UK mags ... -
saving part of a BASIC programHere's a short routine to save part of a BASIC program. The idea is that it can be merged into a program and then used to save sub-routines, etc. to …
... a short routine to save part of a BASIC program. The idea ... "SAVE lines ";(la);" to ";(lz);" as:"'h$(2 TO 11):
IF ... $="AF111100DD2A4B5C010600DD09CDC204CDA22D3EFFC5D1DD2A765CCDC204CD2B2DC9":
FOR s=1 TO 67 STEP 2:
LET ... -
A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
... source is included, with some comments.)
This demo ... com/2010/02/09/introduction-to-z88dk-part-1-installation- ...
// Attach C Variable to data Declared in ASM at ... [];
// Memory to define the background.
uchar ... -
Basic BASIC help needed RNDHi all, I have recently re-discovered an old program I wrote in the early 90s which would do generate random lottery numbers. I know little now, an…
... less then, when it comes to BASIC programming and I'm after ... ...
I simply need to display a random number between ... this range but weirdly seems to hardly ever give a number ... -
Restore HL' to?It is probably a simple question, but it's been escaping me for quite some time now. Is there an 'universal' value you should restore HL' to if your…
... and[/i] is expected to return to BASIC after it has finished ... HL' seems to hold whenever stuff gets called from BASIC. However, ... say when I try to just open ... Although it would still seem to return to BASIC without errors.
Simon Brattel comments to my BlitzYT vidHi peeps Had a nice surprise early this morning while checking a comment to my Halls Of The Things-Blits youtube vid,the comment poster was Simon Bra…
... morning while checking a comment to my Halls Of The Things ...Are these files of any use to anyone? (MANIC MINER MUCH FASTER AND SMALLER CODE)I've not touched any of this for 3 years, I thought I lost it when I had to reformat my C: drive. EDIT: These links might work Z80 source [url]http:…
... I thought I uploaded them to megaupload not mediafire, and ...
* I'm unlikely to finish any of this off ... t even remember how to assemble it or what ... they are all possible to complete. I think the ... br /> Special keys: A - quit to basic S - reset level, D - skip ...JSW2 - Game Loader DifferencesThere are three official releases of JSW2. I'm not counting the 'JSW2-128' version here as far as I'm aware this was not in any way 'official' as it …
... A small piece of basic containing assembly to headerless load the game ...
To make life easier for myself after examining the basic itself ... I then decided to simply use ... a fake header to load the 'basic' at a higher ...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…
... /> ei
; return to BASIC
ld iy,23610 ; restoring ... computer).
Some comments:
- The file GOKUMAL.BIN ... but I need to restore it before returning to BASIC. If we' ... re not going to use any BASIC routine ...
