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Problems with a gray ZX Spectrum +2Hello. First of all, thank you for receiving me on this forum. I'll try to help everybody as well as I can Said that, I want to do two questions abo…
... do two questions about my gray ZX Spectrum +2:
[LIST ... -
Cracking the Code on the Sinclair ZX SpectrumHello, has anyone got a copy of this book they no longer want? I can't seem to find a copy anywhere? Cracking the Code on the Sinclair ZX Spectrum…
... anywhere?
Cracking the Code on the Sinclair ZX Spectrum ... -
Sopa De Letras (missing code)[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0025520&loadpics=3"]Sopa De Letras[/URL] Code: CI-013 As per [URL="ftp://ftp.worldofspectru…
... De Letras[/URL]
Code: CI-013
As ... listing[/URL] and saw the code missing from there.
Odd Ball (wrong code??? AKA)[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0003488&loadpics=3"]Odd Ball[/URL] The code on both the loading screen and inlay card says A-…
... Ball[/URL]
The code on both the loading screen ...Any Z80 native assembler with source code ?As in the subject - I am looking for native Z80 assembler that comes with source code.
As in the subject - I am looking for native Z80 assembler that comes with source code.PLOT and DRAW in machine codeHow do you go about it? If I posted a really simple BASIC instruction could someone do a machine code routine so I could learn from it? I wouldnt k…
How do you go about it?
If I posted a really simple BASIC instruction could someone do a machine code routine so I could learn from it?
I wouldnt know where to start... :confused:Best mag to learn programming Machine CodeDear all, Back in the day, I was a Crash reader; I loved it. However, not having the money to buy the other big two mags on offer in the UK, I was n…
Souce Code for Midnight ResistanceI just saw this on ebay and was wondering if this was the real deal. Does anyone know ? [url]http://www.ebay.co.uk/itm/Sinclair-ZX-Spectrum-Midnight…
... -ZX-Spectrum-Midnight-Resistance-Source-Code-Jim-Bagley-/110778560627?pt=UK_VintageComputing_RL ...storing machine code in BASICA couple of years ago I posted a routine for storing machine code between PROG & VARS, based on an idea in Toni Baker's "Mastering Machine Code". Thi…
... a routine for storing machine code between PROG & VARS, ... Toni Baker's "Mastering Machine Code". This enables any attendant m ... ):
REM INSTALL MACHINE CODE... with GO TO 9161
CODE space
9161 CLEAR : ...Kobrahsoft: Code InvestigatorHi folks, While digging around my HD I found an "Unknown Kobrahsoft Tape" which appears to contain the MIA title Code Invesitgator by Kobrahsoft: [u…
... to contain the MIA title Code Invesitgator by Kobrahsoft:
[url ... /> Anyway it loads with LOAD "" CODE but doesn't seem to ...Code optimisation - can you help?Hi Folks, I have been looking at the following code fragment for days and I have been able to improve its performance quite a bit. However, it is a…
... been looking at the following code fragment for days and I ... can make.
[CODE]...
350 LET h=INT ... /> AT 32,l;v$(CODE i$(3)+v(2),2 ... 10);(CODE i$(4)-h*16)*65536+CODE i$(6)*256+CODE ... ):
LET h=INT (CODE i$(32)/16):
LET ...DJ Puff (Code Masters)[url]www.worldofspectrum.org/infoseekid.cgi?id=0009341[/url] I wasn't sure where was best to put this but there's one bug in the code that I wanted …
... 's one bug in the code that I wanted to report ...Inefficient code in ROM, from ram-check to RAM-DONEHere is the inefficient code: [CODE] ;; ram-check L11DA: LD H,D ; Transfer the top value to the HL register LD L,E …
Here is the inefficient code:
[CODE]
;; ram-check
[/CODE]
And ... faster routine:
[CODE]
;; ram-check
... to last valid location.
[/CODE]
Another ...simplest method to pass a string to m/code?The statement "RANDOMIZE numvar+USR mc" is a simple way of passing a single numeric parameter to a m/c routine, as mc can retrieve numvar from the to…
... $;: but that needs some prefatory code to adjust the machine stack ... needs two statements.
* RANDOMIZE CODE "s"+USR mc: but that ... needs some prefatory code to set up a location ..."More tea Vicar?" on gray +2 with divIDEDid anybody try to run "More tea Vicar?" (128k version) on gray +2 with divIDE? On my machine game loads but crashes after joystick selection.
Did anybody try to run "More tea Vicar?" (128k version) on gray +2 with divIDE? On my machine game loads but crashes after joystick selection.Spectrum +2 gray strong noise at TV sound outputWhat could be the reason of strong sound noise at TV channel on gray +2? In the beginning this speccy was dead, it had faulty 78S05 and ZTX650. Added…
... noise at TV channel on gray +2?
In the beginning ...ZX Spectrum 12K +2 (gray version) made in UK?Quick question: Does anyone know whether the 128K ZX Spectrum +2 (gray version) was produced in the UK or just in Taiwan? All models have so far had …
... the 128K ZX Spectrum +2 (gray version) was produced in the ...What's wrong with this code ?OK, working my way through Jonathan Cauldwells 'How To' tome and I can't get the following to run in either spin or basin. ( iused the assembler in b…
...
Anybody help ?
[CODE] org 30000
; We want ... basexy ld a,22 ; AT code.
rst 16
... /> ld a,144 ; ASCII code for User Defined Graphic 'A ... />
; UDG graphics.
[/CODE]Help needed... RND in machine codeI have been battling away trying to convert a simple BASIC routine (below) to machine code, but to no avail. The routine is used to fire 2 bullets a…
Skool Daze source code (and others)I suggest adding the source code for [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0004549"]Skool Daze[/URL] (available [URL="http://pyskool…
I suggest adding the source code for [URL="http://www.worldofspectrum ... br />
[QUOTE]The source code file contains a detailed list ... to Skool[/URL] (source code with list of bugs available ... Contact Sam Cruise[/URL] (source code with list of bugs available ...Hep needed with a bit of code...I've written a bit of code to make a character move across the screen, but the counter stops at 29 when the 3 lines to delete the characters trail ar…
... 've written a bit of code to make a character move ...z80 Code Profiling (RESOLVED)Hi All, Just a quick question to ask if there is any way of profiling z80 Code for the Speccy??? I'm trying to write a piece of software and I curr…
... any way of profiling z80 Code for the Speccy???
code, which is a pain in ... to auto-profile the running code, I would be extremely grateful ...Machine code loopsThis might sound a bit daft, but I,ve forgotten how to do loops using th 'b' register... I want to loop this x mount of times: [CODE]ld a,r and 6 i…
... mount of times:
[CODE]ld a,r
and ... /> call 43100
call 45000[/CODE]
There is any ...Optimisations in Exomizer Z80 decrunch codeThis is the 163 bytes old code (simple and optimized): [CODE] ld iy, exo_mapbasebits ld a, 128 ld b, 52 push de exo…
... of 3 bytes. Changing this code:
[CODE]
call exo_getbits
code)
[CODE]
call exo_getbit
code:
[CODE]
ld iy, exo_mapbasebits ...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 Messages ... /> .msgfir defm " PRESS FIRE "
[/CODE]
On entering the ...Speedlock Source CodeOooh - found some interesting Amstrad/Spectrum Speedlock source code over at [url]http://web.archive.org/web/20070126232648/http://andercheran.aiind.…
... interesting Amstrad/Spectrum Speedlock source code over at [url]http://web ...Code execution logging/profilingAs revealed in [url="http://www.worldofspectrum.org/forums/showthread.php?t=41666"]this thread[/url], I'm adding support for reading code execution l…
... 'm adding support for reading code execution logs produced by emulators ... of working out what's code and what's not in ... can do some kind of code execution logging or profiling, for ...Relocating a block of code as to work on a 16k spectrumI've written a game in from 50000 to 65535 and was wondering if there were any way to relocate the entire block of code to work on a 16k Spectrum. I…
... relocate the entire block of code to work on a 16k ... will move a block of code and alter all the jumps ...Freescape based on reverse engineered "I of the Mask" code?That's what Sandy White has said in this interview just published on Eurogamer: [url]http://www.eurogamer.net/articles/2013-03-06-code-britannia-san…
... .net/articles/2013-03-06-code-britannia-sandy-white[/url]
code and based the Freescape engine ...
