-
Total amount of memory on a Speccy ?I wonder............ The C64 (excuse me for saying that name in here. I'll hereby name it just "it") has 64k, while only 38k, or so, is available f…
... free memory for use with BASIC.
... have 4**** available for BASIC, I wondered about how ... up for BASIC, if I can say it in that ...
C64 Basic was made by Microsoft (in that time far ... in Basic, but must use combination of PEEK and ROM routine ... -
Questions about the Emulator Cartridge...First of all, which models of the Timex Spectrum does it work on? Secondly, does it contain game files, or does it just enable you to play PAL Spect…
... on the tape (saying made in England!), eg: Tomahawk, bugaboo, ant ... , later games called the TAPE routine in the ROM directly and they ... lower address than 2068 basic can allow (2068 basic has a ram ... -
Questions about the Emulator Cartridge...First of all, which models of the Timex Spectrum does it work on? Secondly, does it contain game files, or does it just enable you to play PAL Spect…
... , later games called the TAPE routine in the ROM directly and they ... lower address than 2068 basic can allow (2068 basic has a ram ... I think about it, Tomahawk in the UK needed Lenslok right ... -
Sceen$ helpMost people have used screen$ at some time or another and for me what I want to do is use it or something like it as a start screen before the game p…
... , x, y etc) in BASIC, you won't go far ... the purposes of this routine. Remember to read ... t actually write the routine for you unless ... RET ; Return back to your basic program
... in above routine.
LDIR ; do the copying
RET ; back to basic ... -
Faster Pussycat, yer man (UDG)Right we are almost into a game area. Ive started to play with UDG and by using bins and pokes I can redesign graphics to my hearts content. Now Im…
... directly relate to characters in the ZX81 character set.< ... holds each row of pixels in each character, not entire ... at which point the PRINT routine goes through the corresponding character ... anything similar you could do in BASIC.
Other computers, ... -
Game OptimisationBelow is a section of code Im using for movement enermy display and collision detect. What happens is that you move the sight with ,.qa and space do…
... meant when you use a routine defined in the GO SUB lines ... is better to place that routine in the front of your code ... />
Some idea how the BASIC Interpreter works:
When ... used.
More statements in a line is also faster ... -
Idiots guide needed for idiotI thought I would try and give a basic compiler a go. The trouble is that I have tried both hisoft and mcoderIII and it just doesnt seem to be worki…
... /> c) figure out what in your program is breaking the ... you want to start writing in Machine code, I've ... games are a no-no in basic full stop, as Ive ... a routine one way for a basic, one way for a basic ... compiler and by the same token no doubt write it in ... -
Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... specific character coordinates (as in PRINT AT in basic), print centered text ... screen just before returning to basic. If you run the ... as we did in the double print routine. We then make ... use of a display address routine in the spectrum library called " ... -
Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... scrolly carries on running while in basic - too pretty !
Anyway ... you mean by checking it in the "profiler", I saw that ... />
I thought that my routine is a bit slow, and ... -
Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... row. This means, with the scroll on the 24th row, there ... to the scroll area. As long as everything runs in less than ... />
zcc +zx -vn scroll.c -o scroll.bin -create-app -lim2 ... count before and after the routine in the debugger window. Subtract and ... -
Help hacking Split PersonalitiesI`ve been hacking away at Split Personalities for the purpose of putting new screens and graphics (items). The current screen is at 41187 and is 160…
... a packer for yersen in basic by loading your screen ... stick any code in say #33 in the first ten places ... instances of that address in the program by doing ... screen starts. If you scroll down or even better step ... />
Screens come in two parts. First is the ... -
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 …
... are some games with a BASIC listing inside the code, especially ... remembers any game that has BASIC listings (inside the game of ... block's size. The MC routine (in the DATA line) was:
201 RET ;Go back to BASIC[/code]Hope it helps,
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 …
... RANDOMIZE USR 0[/code]Numbers in listings are stored funny: First ... point to an anti-hack routine in your code, thus baffling ... program from the "visible" numbers in your BASIC.
You ... CODE : RANDOMIZE USR 0
(in memory, decimal: 000 002 015 ...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 …
... I want to exit to BASIC using the Multiface, but ... that is needed for the BASIC environment. Now, suppose I ... allow me to exit to BASIC. I could import this ... it to point to your routine in the screen. At the ... more complicated for the saving routine, as you'll need ...A few questions about machine codeOh no... another noob. I'm giving my first steps in assembler (finally, after 20 years stuck in BASIC). I read a SU article explaining that if I wan…
... , after 20 years stuck in BASIC). I read a SU article ... registers if I call a routine from the spectrum rom, ... you call a ROM routine, you can't be ... you call the load-bytes routine.
You' ... very successful return to basic with the interrupts disabled. ...A few questions about machine codeOh no... another noob. I'm giving my first steps in assembler (finally, after 20 years stuck in BASIC). I read a SU article explaining that if I wan…
... (finally, after 20 years stuck in BASIC). I read a SU article ... yes, code within the CALL routine resets the CARRY Flag.
routine from the spectrum rom, because ... . I still see registers as BASIC variables, and I want to ...plotting and rotating wireframesCan anyone point me to an example of plotting a (2d) shape and rotating it in basic. Unfortunately my trig was never that good and I want to get a h…
... of the image are drawn in BASIC, each saved into the "vast ... memory" in RAMdisk and then animated with a machine code routine to ... display them in sequence. It looks ...IY RegisterIve got a really bizarre bug, and I have only just started using the IY register. I seem to remember reading somewhere in a programming book, to neve…
... care about it. Returning to BASIC is one of ROM usage ... by interrupt service routine in ROM. And, again, not in all places. Some ...What did Spectrum BASIC lack (and was BBC BASIC so good?)Over the years, I've read in various multi-format magazines, that BBC BASIC was probably the best BASIC available on an 8-bit machine. I've never use…
... something that's too slow in basic but simple at an assembly ... a basic instruction, and just farm it off to the assembler routine ... rather than the rom routine that handles 'GOTO ... if it's in the basic program.
BBC basic itself is ...Leave AY Chip alone guysWould you have a go at a child with down syndrome? No, thought not. AY has Asberge Syndrome, it's a form of Autism - think of that please before y…
... point of an emulator in basic ? Would love him ... start off with some basic ones to get some ... The reason for an emulator in BASIC is an attempt to ... HatStand will be written in BASIC and probably support very ... out of your AY handling routine. That is to say ...Whats Gone Wrong - Pixels Everywhere!Changed one small piece of code, that doesnt do anything to the screen and the following has happened: [img]http://www.officetrack.com/download/wos/…
... stack, but within the debugger in Speculator it gives your the ... ). I will relook at the scroll routine, which doesnt use any buffers ...What was the worst game you brought ?Only games you paid for please :) Myself i think it was Alien Kill (Mastertronic) Apologies if the author is on here :oops: But even at the time…
... utter howler. Written entirely in BASIC (which is too slow ... only the menus were in BASIC, the actual flight sim ... bit was in machine code).
< ... program had was a routine to play an intro ... did get airborne, the in flight pictures were mostly ...Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…
... The loader gives "Nonsense in BASIC". The main m/c ... the tuner is a BASIC type-in that uses LOAD " ... A small BASIC loader, and a small m/c routine. I ... game embedded within the BASIC listing. Three increasingly ... can't find any routine in either of the programs ...Letters with accents on the SpectrumIs there any way to type letters that have accents (for example ? ? ? etc) on the Spectrum? Maybe it's really obvious but I don't know how.
In BASIC, you could use PLOT ... : PRINT " Smith)"
In machine-code, the best way ... re)write a character-lookup routine. I document how I patched ... allow a few accented characters in TECHNICA.TXT of [url= ... I changed the whole font in TECHNICA.TXT of [url= ...Changing the colour of the loading 'stripes'I was wondering if it were possible to alter the default colours of the standard ROM loading 'stripes' via BASIC, mabye a POKE command of some descri…
As far as I'm aware there is no way to change the colour of the loading stripes from BASIC. To do so you would have to write your own custom loading routine in machine code.Changing the colour of the loading 'stripes'I was wondering if it were possible to alter the default colours of the standard ROM loading 'stripes' via BASIC, mabye a POKE command of some descri…
... of the loading stripes from BASIC. To do so you would ... write your own custom loading routine in machine code.[/quote]
in ROM using a BASIC loop, and modifying ...Channel redirectionHi! I need help regarding the following problem. I want a BASIC decoder running on Spectrum, written in assembler. I found the great *LIST routine […
... routine to search for the BASIC token ASCII representation.
So, in ... my custom output routine ... char using the 64 column routine.
I would ... (floating point) number printing routine in ROM (used by the * ...
