-
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…
... 20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun ... quickly as doing an LDIR in machine code, but using only standard ZX ... for yourself first.
[code]
10 DIM s$(6912 ... +1,0: PAUSE 0
[/code]
[spoiler]It ... -
Type-in MIAsWhilst on another rummaging expedition in the archive I noticed that ZX Computing type-ins which haven't been typed in yet are marked as MIA. As all …
... expedition in the archive I noticed that ZX Computing type-ins ... which haven't been typed in yet are ... for "scanned but not typed in yet" type-ins was specified, then ... available but not in the optimum format. NTI? Then type-ins would ... -
Indirect Variable AssignmentHere's another wacky routine. This allows assignment of values to variables where the source & destination variables can themselves be defined in var…
... variables can themselves be defined in variables (or expressions which ... which aren't in an array, like this:
[code]
... values to BASIC variables from machine code. Just put the value on ... values of the same data type (number or string).
< ... -
The Sinclair ZX Microdrive Resurrection Project (long)Dear Spectrum fans! [Management summary: Download [url]http://www.bartheld.net/temp/mdv2img.zip[/url] and tell me what you think. All help very much…
... would probably never go back in place correctly.
< ... alignment/contamination issues, variations in tape speed (probably ... but I eventually managed. In the following discussion, I ... machine code.
Then connect everything as discussed above, type ... -
BASIN and some nasty type-inI'm using BASin for the first time, and I'm trying to type a listing from a magazine. I'm trying to preserve EXACTLY as it is printed on the magazin…
... , and I'm trying to type a listing from a magazine ... />
- It uses INVERSE VIDEO in some places (solved, token window ... able to use INT and IN as var (not as TOKEN ... -
Management games in MCI'm looking for Management games written in machine code. So far I can only think of: Football Manager 2 Football Manager 3 Match of the Day Multipl…
... looking for Management games written in machine code.
So far I can ... -
ZXDev - powerful environment for development in four languages is ready for testingXDev/ZXDev is open and free set of compilers, additional tools, libraries and design patterns for target platform ZX Spectrum 48K in different progra…
... target platform ZX Spectrum 48K in different programming languages (now ... of programming languages in their capacity in slow by today' ... small size of the target machine code, better than z88dk:
... on CPU Z80) in various ways, in adding new libraries, ... -
Typing in type-in gamesWhat are people's memories of typing in game listings from magazines and books? Pain or pleasure? I used to quite enjoy tapping them in, seeing how …
... people's memories of typing in game listings from magazines and ... to quite enjoy tapping them in, seeing how they worked, expanding ... .
When talking about type-ins, the general consensus seems ... -
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 …
... underlying colour alone:
[CODE]
;
; Output of ... lower part of the screen in dull white - [I] ... it - and then crashes in one of various ways.< ... happen about one time in twenty or so. As ... .
Thanks in advance for any help you ... -
Adding TAP file contents to a Spectrum +3e DOS PartitionHello my fellow WoS'ers, This thread is a companion to a great little guide from a fellow AmiBayer [B]mnjnurney[/B] you can view his thread by [URL…
... as easily on the target machine.
I will be ... the next file in the sequence as a CODE file type that loaded ... /> 50 LOAD "ELITE.CDE" CODE
[/code]simply, like the SCREEN$ loading ... to do on the target machine so here is how.
How do I detect if key 'H' is pressed in machine code?How do I detect that the key has been pressed? I have been using the IN 239 command for keys 6-0, but dont know how to detech 'H'...
How do I detect that the key has been pressed?
I have been using the IN 239 command for keys 6-0, but dont know how to detech 'H'...running this game in zxspin assemblerHello all I've written this game out in the zxpin assembler. [url]http://chuntey.wordpress.com/2010/01/12/tutorial-zx-spectrum-machine-code-game-30-m…
... 've written this game out in the zxpin assembler.
[url ... /01/12/tutorial-zx-spectrum-machine-code-game-30-minutes/[/url]
Enable 128kB paging in emulatorFrom Zx Spectrum documentation ([url]http://www.worldofspectrum.org/faq/reference/128kreference.htm[/url]) [CODE][SIZE="1"]When memory is being pag…
... [/url])
[CODE][SIZE="1"]When memory is ... to change. If normal interrupt code is to run, then ... computer is reset.[/COLOR][/SIZE][/CODE]
I understand ... tricks impossible on real machine which become possible in emulation.
Machine code assistance please #1Dear all, Learning the ropes here, so please excuse these odd questions which may seem simplistic to you learned lot. This routine is placed at 33…
... gives me 32867.
[code]
ld l,155
ret
[/code]
When I ... beginning, the following...
[code]
ld hl,0
ld bc,0
[/code]
...it seems to work ... then expected register pairs to in an unorthodox way, or ...How do I enable Currah speech in ZX SpinHow do I get the speech to activate? Do I need to download the ROM from somewhere? Also how do you program it in machine code?
How do I get the speech to activate?
Do I need to download the ROM from somewhere?
Also how do you program it in machine 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 vary ... crash. Loading BASIC as code from the 128 BASIC ... it's the return from machine code that doesn't.
...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 …
... routine to handle that function in machine code, so the BASIC programmer need ... one DISPLAY entry ordered by type
DISPLAY: ;example current ... +GOSUB[+attrib+GOSUB...]
; type = object DISPLAY type
; attrib = attribute ...Self modifying code ??I made a game in C that was mostly accessing arrays and using FOR NEXT loops, I ran out of memory, so I was thinking would it be possible to use sel…
I made a game in C that was mostly ... possible to use self-modifying code so that say 20 ... NEXT loops use the same code?
or 20 array ... ups can use the same code?
When using ... always write out all the machine code necessary to do loops and ...How did you learn to code on the Spectrum?Got to be honest, as much as I wish I did, I don't know anything about programming. I had a Spectrum (+2 and then +2B) when I was a kid, and my prog…
... ended, I started reading about machine code (in fact one of my oldest ... seeing you all exchange assembly code and wondering how the & ... these guides on how to code, but I can't for ... an "easy" guide called Mastering Machine Code on your ZX Spectrum. Needless ...3D Games in SpecBAS!Not really :) Actually, yes - here's a type-in for you: MontyMole's "Crap Castle Master" [code] ZXASCII AUTO -1 PROG CrapCastleMaster 1 REM Crap Ca…
... a type-in for you: MontyMole's "Crap Castle Master"
[code ...Z80 Jet Set Willy (hacked) in the archive.What is it with the version in the archive? You start the game, it says 'Sam and Job hacked this program' at the bottom of the first screen and you c…
... is it with the version in the archive? You start the ... without you having to type in the security code thing. Is there on ...RetroMania BASIC programming contestTo celebrate 50 years of the BASIC programming language, at this year's RetroMania we're running a BASIC game programming contest. There will be cash…
... [/url] ). Entries from anywhere in the world are welcome :-)
type stuff, and pure BASIC, not sneakily shelling out to machine code ... routines :-) If it's written in a somewhat ... will be given shortly, but in the meantime, get coding :-)< ...JHCon 2014Hello, not sure if this is the right category but JHCon 2014 will take place[B] from 28. to 30.11.[/B] at usual place - gymnasium in Jindrichuv Hrad…
... at usual place - gymnasium in Jindrichuv Hradec, Czech Republic ( ... new megademo (in BASIC, surprisingly)
--- type a BASIC program ... LOAD ""
--- usage of machine code (USR to RAM, POKE, ... facebook page for the meeting (in Czech language).
- ...Fast Condition TestingHello my friends, I have been writing some input and string handling routines in BASIC lately - yeah I could write them super fast in C/ASM via z88d…
... too slow for the native machine. Basically (please forgive the pun ... limit what the user can type in - e.g. a +3e file ... /> so here is some code -
[code]
[B]REM ***** ... next routine for processing
[code]
[B]REM ****** BEGIN ...ZX-Assembler version 0.8 (beta) releasedDear readers, yesterday I've published ZX-Assembler in its first version 0.8. It offers you some interesting features, even if I know there are …
... also can edit bytes in a sneak code editor (that can ... by name or address or type. Labels found on CALL< ... listed with their type, also indication the jump positions in
... Assembler in a dialog for editing data
blocks containing machine code.
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…
... />
Way back in 1992, I wrote a shoot ... The entire game was written in Sinclair BASIC. Recently, I ... tips on loading BASIC using machine code can be found here: ... who are not interested in reading all that, below ... is no printer buffer in 128K mode. However, ...Time Gate graphics patchI've rediscovered Time Gate and one thing I don't like about the game is that it's hard to remember what's what in the status indicators. The manual …
... Gate with a Multiface & type LOAD "". This is how it ... look suspiciously like the shields in Skool Daze!)
Weapons - ... fans have any suggestions? Thanks in advance.
Another ... . I'm no good at machine code but getting better at Boriel ...New here? Looking for a solution to a problem with your coding? Read onThis observation is for the benefit of newcomers especially those learning to program. This site - World of Spectrum - is a resource of immense va…
... majority of 'teach yourself to code' books are written by experts ... too much for granted, the type in examples they provide are very ... with filenames that make sense in a series of suitably ... like this about any single machine, its perfectly obvious that some ...User defined function in Sinclair BASICI'm looking to create a user defined function in Sinclair BASIC to add up numbers being input. This is the program without a user defined function be…
... being used
[code]
10 REM Program to ... ; S
90 STOP
[/code]
I can't ... to do it in BBC BASIC...
[code]
REM ... as a string in BBC BASIC
INPUT "Type in a number " ...The trouble with good code isLots of times I've come here to ask for help and always got it pretty promptly. Which is wonderful and one of the reasons why I don't think there's a…
... I utilize that fix in another program because I ... earth does that come in useful in so many programs ... instructions that make sense in English and as long ... point in even trying to learn hex and machine code until ... like Dunny sent me in the BASIC thread produces ...
