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deCyphernoid: Cybernoid editor release threadFollowing on from the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=14711"]development thread[/URL], the Cybernoid editor I have been …
... to load in the 4 extra blocks of code, after ... the main Cybernoid code.
code blocks in the right order to ... loader
Add a PAUSE 0, and then the new load ... wait for Cybernoid to load in
Swap .tap ... -
New Spectrum Game! Cannon BubbleAs some of you already know, our new game "Cannon Bubble" is available to download in our web page! Go get it and don't forget to tell us what you th…
... IF t6492 THEN PRINT "Error in data" : STOP
100 RANDOMIZE ... /> 200 DATA 251,201[/code]
[code]10 REM Cannon Bubble ... IF t7034 THEN PRINT "Error in data" : STOP
100 ... continues?"
110 POKE 23658,0 : PAUSE 0 : IF INKEY$ "y" THEN POKE ... -
SoundHi Could someone explain how to "decode" the spectrum sound?(the beeper). I'm guessing its an out port? Cheers /Jimmy
... /> I wasn't looking in the wrong place... I ... (0xFE).
Bear in mind however that it is ... .g. with OUT 254, 0) will produce another click. ... in [i]generating[/i] sound effects, you need to write assembly code/machine code ... by port 254 (bits 0, 1 and 2). Don ... -
Autorun BASIC programsIs it possible to write a basic program which will autorun after typing in LOAD ""? Thanks
... the basic program as a code file in address 32768, for example ... /> [code] 10 DATA 221,33,94,195,17,17,0,62,0,55 ... de cabeceras PRESS A KEY":PAUSE 0
40 CLS :RESTORE :FOR ... 15,0;"Byte quantity:";cby
140 GOTO 30
[/code]Actually ... -
Converting m$ to dataI created a maze using a matrix of 704 characters. In order to save memory, and since the maze it's just walls and spaces which could be interpreted …
... a matrix of 704 characters. In order to save memory, and ... could store the whole maze in 88 bytes, and print the ... ), m(3)... consumes 5 bytes in order to hold a floating ... store a number between 0 and 255 in m(1), it still ... at 60000 using BASIC or machine code. -
Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…
... since ROM0 contains own executable code there). Betadisk contains an ... #EFF7 port:
bit 0 - 16-color video mode enable ... "1" installs RAM physical page #0 instead of ROM. This locks ... work in terminal software with 80x25 screen).
This machine has ... -
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…
... the more optimized code, from original 64 byte machine code to 49 byte ... to improve it?
[CODE]
org 30000
in graphic store
... ,loop1 ;repeat until d is 0
endofprogram
... -
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…
... the more optimized code, from original 64 byte machine code to 49 byte ... double declarations?
[CODE]
org 30000
in graphic store
... -1 ;repeat until d is 0
endofprogram
... -
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…
... library adding some machine-specific functionality but in a cross- ... is different on every specific machine. printf(), eg, is written ... z80 machine with a crazy display layout in mind in the ... />
[code]
m[0] = 'a'; // the first element in the array ... -
Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…
... used as a selection method in a similar way to coin ... beat the computer?
[code]
1 DIM a$(3 ... #1; FLASH 1;"Key!":
PAUSE 0:
NEXT l:
CLS ... /> PRINT "GAME:- ";z;":";d
[/code]
@Digital Prawn:
He's back......and he's got a new trick! AY Chip here. I've been away far too long. I would like to announce 'HatStand': for no adequately explored reason, I h…
... /> 20 PAUSE 0
There you go, complete emulator in two ... the following 2 lines of code:
DI
HALTA 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…
... 'm giving my first steps in assembler (finally, after 20 years ... /> call 1366
jp 30285[/CODE]
Another question: ... ?
I have a machine code tutorial here and I will ... it all again if BC 0. LDIR - LoaD - Increment - Repeat. Imagine ...Bubble Bobble EditI thought I might have a go at editing Bubble Bobble myself after reading this... [url]http://www.worldofspectrum.org/forums/showthread.php?t=15452[…
... 0, 0, 0, 0 ; 34228 0 0 0 0 ts
defb 0, 0, 0, 0 ; 34232 0 0 0 0 ts
defb 0, 0, 0, 0 ; 34236 0 0 0
mulder
September 2007
Development
ZX Spin assembler - where am I going wrong?I'm trying to use the assembler in ZX Spin, but I'm getting error messages. Here's a screenshot of the first simple program I'm trying to get workin…
... 16K long, address must be in the range $0000-$3FFF. ... labels within your code will also therefore be in that range - ... for generating code with absolute addresses to run in the $C000 ... a direct command: PAUSE 0 - then, while paused, assemble your code!)
< ...RrcaI'm having trouble finding an exact explanation to how all the z80 instructions work, but I get by ok on most of them. I'm sure I've been given link…
... was previously in bit 1 is placed in bit 0, and ... the bit that was previously in bit 0 is placed in ... takes part in the rotation too: bit 0 moves ... Toni Baker book (Mastering Machine Code On Your ZX Spectrum) ... it has a chapter in the middle devoted to ...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…
... checksums generated by the machine code loader both fail. Therefore ... and resubmitted to the archive in working form.[/QUOTE]
in *HACK's BASIC portion ...
115 FOR a=0 TO 2: POKE 30081+a ... ,0: NEXT a
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…
... around to completing the controller code. Couldn't be arsed ;)[/QUOTE ... continue" routine mentioned in the cassette inlay. Unlike "PAUSE 0", this routine also ... /> List of routines I found in the package:-
63937 ...One Liner - Machine CodeHi Dr. BEEP, Digital Prawn, et. al., I think that what you guys have achieved with the one liner contest is absolutely amazing. It brought about wh…
... like Dr BEEPs, but for machine code?
After all, Dr ... like an entry to the 0,5K Minigame compo.[/QUOTE]
in the 1-liner contest for ... MC / your suggestion of the 0.5K minigame compo could be ...Full throttle CPUHello, I was just wondering: do you experts know if any of the 48K games pushes the Z80 CPU to 100%? I mean, every CPU cycle is used? If so, what's t…
... CPU cycle counts - in other words, most efficient machine code ?
No ... MHz you need really good code.
Negative example would ... Red Arrows (some 1 to 0.5 fps - totally unplayable).
Other thing is that even in such programs we have often ...ZXSpin 0.62 Available nowAs promised (and only a [i]little[/i] past the deadline) here is the latest version of ZXSpin. Many bugs have been fixed, and a few new features add…
... for the computer's built-in BASIC.
BASin ... editing tools you'll find in professional IDEs like Delphi. ... - UDG editor, Assembler, CPU debugger (machine code is fully supported, not just ... that sound problem in games like Manic Miner in 0.666 with ...Probing the variables in 128K modeHello again! Briefly, I'm writing an m/c routine to read some BASIC variables. So, before I start, I try to get an idea for the structure of how var…
... Edit:
Ah Yes! RES 0, (IY+$02) is the way ... as intended.
In 128K mode, the routine instead ... only difference that can affect machine code programs.
Something ... books were published about advanced machine code techniques, and I have ...Quick q. on MC vs. BASIC (boring question)No matter how long or tedious the programming/testing may be ... Is Machine Code [B]ALWAYS[/B] faster than BASIC?
... programming/testing may be ... Is Machine Code [B]ALWAYS[/B] faster ... commands
the same code coded directly to the matching ...
When you optomize the code further by determing what values ... work with integers in range 0-255 or 0-65535 which calculate ...New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…
... /> The perfect maze generator listed in #404 can be easily modified ... idea. For instance:
[CODE]
1 DIM m(862 ... p=672:
LET d=0*USR 7766-1:
... NEXT g:
LET d=CODE "d$CE"(RND*4+.5 ... POKE (m(p+d+d)=0)*(p+d>64)*(p ...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…
... INK 7 graphics "cursor" in the right place without adding ... kinda like this:
[CODE]
10 DRAW 50,50 ...
PAUSE 0:
NEXT g:
GO TO 20
[/CODE]
CODE values of the letters in the DRAW CODE strings by ...St. Michael Micromasters: Computer GamesHi, The [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=2000988"]St. Michael Micromasters: Computer Games[/URL] book doesn't currently have a…
...
130 border 0:paper 0:cls:let l=0:let j=11 ... w=1:let t=0:let x=0.01
150 input ... :plot 128,0
180 draw 0,175:plot 255,0:draw -255 ... k$=inkey$:return
[/CODE]
[CODE]
100 rem spider
0.2,0
540 if fChanging BASIC loader in Chuckie Egg 2Hi, My aim is to include "PAUSE 0" event at the end of the loading of the Chuckie Egg 2 game. The reason is that I use emulator to load the game and…
... /> Here is what we get in ZX-Blockeditor:
[URL ... is no pause between the screen and game code. Everything is in one ... : LOAD "CE2" CODE: LOAD "CE 2" SCREEN$
2 PAUSE 0: RANDOMIZE USR ...Microdrive Help...Hi All, I need a little help.. I would like to transfer one of my all time favorites to microdrive "Atic Atac" (for which I have an original tap co…
... . It just came up with "0" :-x !
I ... speedload. It needs some time in between the various tape blocks ... with "M RAMTOP no good 0:4" for me, but doing ... a PRINT USR 0 then LOAD *"m";1;"ATIC ... use a small bit of machine code to move it back down ...IF2 Rom snapshot creationHi, is it possible convert a Speccy 16k snapshot to a Interface 2 Rom file? I've the original Ultimate Pssst, Cookie, Trans-am and Jetpac tapes and …
... the right keys and $5DEB=0 then it will call $04C2 ... first part of the Deathchase machine code checks that $5AE0=$24. If ... then it does a USR 0! You might want to skip ... by switching the ROM image in use whilst Deathchase was running ...
