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Dim commandI try o find a BASIC COMPILER for ZX SPECTRUM 128 that use DIM command with two or more letter as 10 DIM AB(10) instead of 10 DIM A(10) Any iforma…
... ;407056]I play with a function which workname is WCHOICE, with syntax LET ... have to have a fixed number of parameters in a function. However, you ... can hook a function into a machine code routine (BetaBASIC does this) and it ... -
Skooldaze TooDear WoSsers, Thanks to Skoolkid's disassembly I'm attempting to write a new "improved" version called [B]Skooldaze Too[/B]. As part of the improvem…
... 't done anything about this as many languages would ... point in the past. Easily fixed.
[QUOTE=FrankT ... . The peashooter routine has been rewritten (and with a minor change you ... to give different instructions... This version also shows that sprites ... -
Help fix this keyboard read program?This code runs in an interrupt routine with DI. What would be the simplest way of making it so it doesn't auto repeat a keypress? [code]keys: ld a…
... state_data_structure
ld a,(hl) ; always return with a = state
with a=current state
ret ; else remain in this ... routine always returns with a program-friendly state number in A. In this ... />
I also fixed the situation where both left ... -
How do you destroy an enemy or object?Hi guys I allways wanted to know this, but how would you go about making and destroying enemies in basic or any language? What, do you use a huge ar…
... I would use a fixed size array and not bother with malloc and ... as possible outside the game loop. The z88dk malloc implementation is ... to use.
However this will take some work and ... movement. That will work well with boriel's basic compiler if ... -
How do you destroy an enemy or object?Hi guys I allways wanted to know this, but how would you go about making and destroying enemies in basic or any language? What, do you use a huge ar…
... games that can be written with a generic library of some sort ... colour clash graphics; it accomplishes this by manipulating attributes only and ... time was consumed by a wait loop yo perform that swap ... lines, print text etc in fixed size cpu cycle lengths that ... -
My first platformerHi all! How do you do? Been lurking here for a while, but never had the courage to join the forum. :) The Speccy was my first computer, so I've alw…
... in size. Additionally, sp1 is a very memory hungry sprite engine ... . Not wasteful mind you, just a result of several design choices ... simply change the border with a C routine like this:-
[code]
Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
This is a small self-contained Print routine that doesn't rely on ... p_main section of the code with a corresponding reduction in size and ... printed.
[CODE];Call Routine with HL pointing to the start ... and 15
jr p_start ;loop back to do it all ...Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…
[QUOTE=Arjun;438547]Tried this on my Asus 901 and ... cue was actually shown, together with a frame counter when pressing F8 ... lost when the pause routine was moved. Fixed soon.
[QUOTE ... solved when the real audio routine is implemented.
...FMV on +3eOK, so about 6 months ago i posted here that i got full motion video on +3e, with a bunch of scr files called passion. I added the glider rider music…
... and muxing with the vid - take a look at ... yeah the Honey Honey playback routine is nothing special. It ... OUT (49149),A
timing loop
LD A,(HL)
... second edit that routine is playing a sample only every ... HOW DO YOU MAKE THIS SOUND SO GOOD MATA? ...Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…
... be used by either replacing the value of 23606 ... or by setting HL directly with the address of the ... with what's already on the Screen,
;this ... to Invert the mask with a CPL so we can ... this is meant to be a general PRINT routine, not a Sprite routine, ...Noise channels on AY-3-8912?I'm trying to reproduce a tune that's a jazzed-up version of classical music - i.e. there are drum beats all over the place, to try and mask the low …
... in BASIC, using tone channel A:
[CODE](pseudocode)
... CODE]
Unlike with an infinite loop of BEEP statements, the ... telling an interrupt-driven AY routine to rewrite unaltered data ...
Has anyone else seen this effect before? Is it an ...'Hello World' in ASM ?Can someone show how to make the classic 'Hello World' print with ASM code ? I cant figure at this moment how to insert and handle strings with the s…
... limitations, potential problems, etc), and this knowledge can be useful only ... all.
Fill memory routine I've provided is very ... provided in HL and DE, with length of the block in ... not corrupts A:
[code]loop
ld a,(hl) ;get a value ...'Hello World' in ASM ?Can someone show how to make the classic 'Hello World' print with ASM code ? I cant figure at this moment how to insert and handle strings with the s…
... />
Printing through a ROM-routine is done with RST 16
this:
[code]
ld a,2
loop ld a,(hl) fetch next character
Howto paint a squared zone of the screen ?You know what guys ? i begin to love this languaje. Cant understand why not put more effort on the 80's to learn it :( because it is really speedy. …
... br /> Easiest routine will be with these features:
a,a
add a,a
add a,a
dec a
dec a ... br /> middle ;this loop draws all the lines ... ;DOWN_HL+ routine by Spencer Winsent
;this routine returns address ...Howto paint a squared zone of the screen ?You know what guys ? i begin to love this languaje. Cant understand why not put more effort on the 80's to learn it :( because it is really speedy. …
... required to set a color. The color in this routine is defined ... by A register before call only ... to make a version with ROM routines. If you want a routine which uses ... position (always draws in the fixed place) and don't need ...Howto paint a squared zone of the screen ?You know what guys ? i begin to love this languaje. Cant understand why not put more effort on the 80's to learn it :( because it is really speedy. …
... />
ld a,h ;this piece of code doing ... br />
middle ;this loop draws all the lines in ... br /> ;DOWN_HL+ routine by Spencer Winsent
;this routine returns address of ... if I'll make a routine with custom print, it ...Hypothetically....If you were putting together a "Spectrum +4" what presently available hardware would you include. My criteria would be total comparability (or as ne…
... but needs to be fixed for the laser. Fixed is exactly the ... far too complex to make with a hammer. So all I do ... course this will require unplugging one set of wires and replacing with the ...Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…
... Sadly, my first shot with the routine failed spectacularly. It drew ... the moment) and added a loop to the front and ... AF and exit Print routine
;[this can be removed ... with what's already on the Screen,
;this ... to Invert the mask with a CPL so we can ...Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…
... your code as is (with a couple of very minor tweaks ... as a ZX Basic subroutine :)
Edit: Fixed ... off how nicely this works as a basic call-able ... /> PRINT at 10,10;"Routine 1 (Big K)"
... br /> PRINT at 10,10;"Routine 2 (Turkwel)"
time ...A question about M1 cyclesI'm writing an interrupt routine that, after the usual register pushes, will jump to a location of my choice with a [b]JP (IY)[/b] instruction. If I…
... you can keep the interrupt routine in a memory area that isn ... QUOTE]
The interrupt routine and IM2 table will reside ... avoid screen flicker. This means that pixel scrolling with [b]rl (hl ... and again in an infinite loop.[/QUOTE]
The ...Ziggy 0.4The latest version of Ziggy is now available from the same link as before i.e [URL="http://ramtop.wordpress.com/"]here[/URL]. I've made changes to t…
[QUOTE=Arjun;454348]This has been fixed in the current I'm ... CPU on a Win 7 setup. This is still a lot more ... give me a very convincing argument for threading the rendering routine separately ... I have zero experience with writing threads this may well take some ...WIP: Another demoIt's a couple of months already since I've released something, so I thought it's fun to show a demo of the thing I'm currently working on: [url]http…
... delay routine too. Assuming you haven't done anything with the ... main loop as the ROM interrupt routine increments this byte (I usually put a ... you checked, don't bother with a delay. If they haven't ... the most efficient routine by any means, and with a bit of ...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…
... you need permission to do this? I thought that by releasing ... effectively saying "You can play this on anything you like, load ... into the game's loading routine, it's still something that ... Infection with a "take back move" feature hacked into it, to bug-fixed ...Mr Do! ?Not exactly a new idea (at least twenty-seven years old now :-o), but how about a port of Mr Do! to the Spectrum? There was never an official one, ev…
... need to scroll vertically. This requires a buffer of 38*32 ... 96T (24*4) uncontended. Therefore a loop containing 40 (16+24) 4T ... 192 iterations of the sound routine. Better still, 4 T ... development right now, including this one, with literally thousands of sheets ...Mr Do! ?Not exactly a new idea (at least twenty-seven years old now :-o), but how about a port of Mr Do! to the Spectrum? There was never an official one, ev…
... need to scroll vertically. This requires a buffer of 38*32 ... (24*4) uncontended. Therefore a loop containing 40 (16+24) 4T ... 192 iterations of the sound routine. Better still, 4 T ... development right now, including this one, with literally thousands of sheets ...Pretty CrashesTo make a 48K spectrum crash spectacularly and beautifully enter the following into basic. Also works on a 128k in 48k mode though not quite as prett…
... jumps directly into the save routine. Whatever the value of the ... what the spectrum is "saving". This will inevitably be somewhere in ... I once wrote a program that would loop firing off sub routines ... and run it with a higher starting value. I did this to see ...Location of variableHi everyone When basic makes an array how to you find out the location in the ram of where the data is stored. :) Also, does it store the values in…
... of my programs, of a routine which searches the VARS area ... for a named string array. It ... from memory in BASIC is a bit tricky.
... 4 DEF FN p(a)=PEEK a+256*PEEK (a+1)
3000 REM FIND A STRING ARRAY NAMED IN o ...New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…
... [/url]
Technically, this new one-line game [B ... logic from Conex?o in a single loop to save space. Here ... could save an extra position replacing this:
[CODE]
... 13:
[/CODE]
with this:
[CODE]
...Help! Reverse engineering a Spectrum game[deleted]
... these "libraries" may be realised with 2 or 3 instructions or ... and multiply routines
[B]A loop in the code without any ... />
12 - A fast sprite routine, that is; optimised for fixed size graphics ...
