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+3 assembler questionI was wondering if anyone could give any suggestions as to how to get this bit of code working on the +2A/+3 in 128k mode. It works on the +128k/+2 i…
... in 128k mode. It works on the +128k/+2 in either 48k/128k ... mode, and on the +2A/+3 in ... crashes the +2A/+3 in 128k mode. When it enters ... /> LD (23615),A ;in LIST_SP
LD A ... /> LD (23560),A ;in LAST_K
LD BC ... -
Message to all programmersHello folks, more and more programmers in the recent time are using special loading routines for their Homebrew-Software. This makes their game runn…
... />
more and more programmers in the recent time are using ... that never had a standard in disk system. It is already ... is. Just put the loader in Basic.
Thanks of me ... -
DRAW x,y,a Algorithm - how does the ROM do it?Hi all, Getting on with SpecOS, and one of the things I would love to do is to preserve the original ROM's behaviour when drawing Arcs. This is don…
... of the DRAW command implemented in BASIC - but not the arc drawing ... 'd love to see a BASIC (or C, or Pascal!) implementation ... - so I'm not interested in newer, more optimised versions that ... -
Booting with a programIf you ever had a VTX-5000, you'll remember it booted to a menu. The menu itself was written in BASIC. When the Spectrum initialized, this BASIC prog…
... The menu itself was written in BASIC. When the Spectrum initialized, ... the initialization routines finish, BASIC starts somewhere where it'll ... '%load' command - if the BASIC program is saved with the ... a command typed into the BASIC editor.
However ... -
Machine code issue...Hi Folks, My trials with MCODE continue and I am stuck. I wrote the following program in BASIC to simply POKE an attribute byte in to a "box" on th…
... . I wrote the following program in BASIC to simply POKE an attribute ... byte in to a "box" on the ... and is quite quick for BASIC if the box is not ...
C9 RET ;RETURN to BASIC[/CODE]
When I ... -
Looking for cursor routineIt's been a long time since I programmed a little bit in Basic, so I decided to create a simple cursor routine: [url]http://db.tt/SPnSdpx[/url] I k…
... I programmed a little bit in Basic, so I decided to create ... people who like to program in Basic but need a cursor program ... />
-Can be called from Basic
-Relocatable
-Ability to ... when the routine returns to Basic (maybe via PEEK?)
- ... -
variable variable names with VAL$It's possible to make the RH-side variable names in a LET statement be themselves variable by using VAL$. Thus, if v$ holds the [b]name[/b] of anothe…
... the RH-side variable names in a LET statement be themselves ... content of the variable named in v$.
It would ... the LH-side variable name in a LET statement be variable ... machine code routine, but not in BASIC. Is there any method available ... -
General purpose full screen input routineHi Folks, One of the things that annoyed me back in the 1980s with most BASICs was the lack of a full screen "formatted" input function. You could …
... things that annoyed me back in the 1980s with most BASICs ... XINPUT routine for the Spectrum (in BASIC). It is still quite simple ... but these would be removed in a real World implementation to ... -
Name the Game (tough one)I am clutching a straws here, but this is the best place to ask - just in case anyone happens to have their memory jogged: I am trying to find the n…
... best place to ask - just in case anyone happens to have ... a simplistic game - probably written in BASIC.
I really cannot ... -
Untitled Zombie GameBought a Speccy 48k (wanted a 16k with a 32k Cheetah rampack and Kempston interface, but couldn't find a 16k) and started writing BASIC for the first…
... ) and started writing BASIC for the first time in about 20 years ... ), which I've stuck up in a post on my site ... is why it's all in BASIC (which I reckon will be ... -
How do you do it?What's your favoured method of games creation? Basic programming? Assembler? Basic Compiler? AGD? Etc etc. I currently have a management game written…
... method of games creation? Basic programming? Assembler? Basic Compiler? AGD? Etc etc ... have a management game written in Basic and a platformer with AGD ... -
Spanner seeks helpHello, and HNY, all. I am presently writing a game in BASIC. It's a bit - a lot - crap, but I'm enjoying it! Anyway, a couple of questions, if you …
... am presently writing a game in BASIC. It's a bit - a ... I make the cursor always in "C"? I used some previous ... -
How to code a run and jumpHi all, Is there a way in basic to take action on two simultaneous key strokes. I want to add a run and jump i.e. keys Q and M but using inkey$ seem…
... />
Is there a way in basic to take action on two ... solve this using only the BASIC language if at all possible ... -
Platformer BAS file?Does anyone have an example of a platformer in BASIC? Specifically one that uses drawn sprites, etc.
Does anyone have an example of a platformer in BASIC? Specifically one that uses drawn sprites, etc. -
Steve Davis SnookerI remember Kizza claimed to have written the 128k version of this. Ignoring the lies does it exist? There isn't a 128k version in the archive so prob…
I remember Kizza claimed to have written the 128k version of this. Ignoring the lies does it exist? There isn't a 128k version in the archive so probably not, but you never know.
Chris -
zx spectrum 48k loading issue (memory problem i think)Hi I have a 48k spectrum that until yesterday was working flawlessly. The spectrum seems to work fine but the problem is with loading games.All the …
... games.All the loading process, in most of the games, is ... sometimes the screen turns black.in some games shows error codes ... out of range ; C - Nonsense in BASIC.
I know the games ... sideway )
Thank you in advance
Ricardo Gon ... -
Adding a reset switch to a 48K?I've done this before but can't for the life of me remember which line to pull to ground! I tried /NMI which does reset the machine when it's in bas…
... the machine when it's in basic, but nothing happens when a ... -
SAVEing without waiting for keypresshello, here's question for y'all. is there a way in BASIC to bypass the "Start tape, then press any key" prompt when SAVEing an array? sorry if it'…
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is there a way in BASIC to bypass the "Start tape ... -
Name of game needed - sort of robot wars...Well, I reckon this one's a tricky one. Can't quite remember the year, maybe mid-eighties. Have tried WOS searching to no avail. It was: - a 2 pl…
... robots just shuffle along in a horizontal line in 2D (one from ... have been a BASIC game, or at least partly in BASIC as it ... -
Rock n Roll by JezzsoftRock 'n Roll by "Jezzsoft International", 1987. I'm not sure if this was ever released, as the only copy I have is on a blank cassette with a label …
... .
it is written in BASIC although I haven't played ... it in over 20 years I remember ... -
Trying to remember the name of this magazineA memory of an obscure UK magazine has popped into my head, and wondered if anyone could identify it. It was primarily about learning to program (ma…
... to program (mainly or exclusively in BASIC I think) with lots of ... The Simpsons, saying something like "in the US this cartoon family ... -
Undiscovered gemsHi, There are many lists of the best ever Spectrum games, but I'd be interested to know of any "undiscovered gems" you have come across. That is, ga…
... most people downloading and playing in an emulator just give ... or all, not sure which) in BASIC. It's surprisingly addictive -- but ... appeared as a type-in listing in a magazine. It was ... the Kayde release, appeared in Outlet electronic magazine[/url]
Storing and displaying attributes...Hi Folks, I have a requirement to store and then redisplay a line of attributes from the screen. For example: 100 DIM a$(1,32) 110 LET line=10 120…
... ability to restore the attributes in some way - another USR function ... something that could be done in BASIC (i.e. a clever trick ...Development choices, help!As a small part-time project I would like to convert my daily programming work (a workflow/bpel engine) to the Spectrum, purely for fun. I would like…
... 't want to develop this in Basic, I would like to challenge ... losing battle with text processing in Z80.
Any ideas ...Some issues with my UDG programFor the sake of remembering how to do some things in Basic, I started coding a small program that could be used to create UDGs: [url]http://db.tt/tt…
... how to do some things in Basic, I started coding a ... , while keeping the graphic in the grid intact. My ... leaving the UDG pixels intact in the grid, but it ... pixel with over 1 in expected coordinate in x1 preview next ... fail to draw a pixel in the big grid. After ...Help identifiying a very old gameHello, first post here although I've lurked for a while :) Great site! This is a long shot, but I wonder if anyone can help me find a game I played…
... game I played way back in 1982/83 or possibly '84 ... , I think it was written in basic. The one thing I remember ... almost sure it was written in BASIC and it could have been ... those magazine games you typed in yourself but its been so ...3D graphicsWould be there interest in some tutorial about 3D vector graphics on zx (my slowly paced side project) ? EDIT: [b]Content[/b] [list] [*]The Math [*…
Would be there interest in some tutorial about 3D vector ... /> [*]Implementing rotating cube in BASIC
[*]Multiply and divide in asm
[*]Quite ... algo implementation
[*]Rotating cube in asm
[*]Removing invisible faces ...Weird 'semi-crash' I used to be able to make the 48k speccy do.I've always wondered about this (but I seem unable to recreate it at the moment). I used to be able to get the Speccy to display some weird screen o…
... of memory' or 'C: Nonsense in BASIC', you pressed a key and ...Game Selection Menu for DivIDE (& others)I retro game on a few other machines and one of the common things is a menu front end on a hard disk to all the games/disc images stored on it. The m…
... tapes, and use a DivIDE. In addition the menu could be ... quite simple, the devil is in the detail (like what to ... the skills to do something in basic but I suspect my efforts ...automatic relocating of non-relocatable codeI was pondering upon the problem of changing absolute addresses used by CALL, JP, etc. when code is moved, without reassembling at the new location; …
... is held within the BASIC program area and moves ... to retrieve the value in the PC register. I ... adjustments and return the displacement in 'bc'. The value ... removed within MAINCD; entries in the CHANGE list can ... than using a POKE list in BASIC (which is what I ...
