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ccompletly baffeled machine codeHi everyone, BEFORE you ask i have not asked help for loads of problems i have recently now encountered and i figured the problems out myself, hones…
... at this position in machine code. But thats where the problem ... the screen has a weird system.
How can i ... the screen grid in machine code. For example, 5,4 is ... -
Hacking the O.C.P Full Screen Editor/AssemblerIf you have been reading my posts recently then you will know that I am eager to have the sourcecode I wrote for the Spectrum during the period 1988 …
... 2 cross-development system (hopefully utilising the code I wrote ... to copy the object code to the screen (location ... could simply snapshot the code I had just assembled ... I am able to load up these snapshots. So ... know this because the object code for "LD A,7 ... -
New tool: ZXBOOT.EXE[B]ASM[/B] is proud to present the first release of ZXBOOT.EXE: [url]http://www.4shared.com/file/NP-FVOSf/zxboot__beta_.html[/url] ZXBOOT is a comma…
... PCs running the Windows operating system. Its role is to compress ... execute address. The PROGRAM load address can be calculated by ... by printing the filename during load.
ZXBOOT uses ... memory to hide compact Z80 code including the register setup, ... -
Loading a screen in to memory...Hi Folks, I want to load a SCREEN$ in to memory and save it out to RAM disk without it being displayed on the screen. I am worried about over writi…
... work:
[CODE]100 LOAD “SCREEN” CODE RAMTOP+1,6192
110 SAVE !”SCREEN” CODE ... RAMTOP+1,6192[/CODE]
... address held in the equivalent System Variable.
Also ... -
What memory pages are being used in a +3DOS disk operation?To make a long story short: what pages are in use by +3DOS while doing read operations from the disk drive? Now, for the details, for those interest…
... to be able to load it from a +3 ... and then, from machine code and interrupts disabled, I ... The program does not overwrite system vars, as main block ... My routines for relocating code into pages starts at 25001 ... -based method to completly load a 128K game (which ... -
Windows XP problemI dont normally ask you folkes about problems with my OS as I can usually figure them out myself. However, this one has me stumped. A few days ago m…
... machines XP partin would not load, going into the black initial ... BSODs with a fatal system error. The code it gives is 0xC0000005 ... -
Spectaculator Load/Save?Hi Any Spectaculator users here who can tell me if or how it is possible to save/merge/load programmes/code/data to HD rather than having to do a ful…
... is possible to save/merge/load programmes/code/data to HD rather ... other and the only "save/load" options are cassette (audio) or ... -
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…
... demo of the solution. Load a SCREEN$/SCR file ... an LDIR in machine code, but using only standard ... first.
[code]
10 DIM s$(6912 ... br /> 35 PRINT #0;"load a SCREEN$ then press "" ... It then POKEs the DEFADD system variable (otherwise zero when ... -
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... to achieve is to successfully load a game into my emulator ... operate on assembly or machine code, right? Should I disassemble them ... contain? ZX Spectrum bios, operating system, some sort of emulator core ... -
WIMP systemsimple WIMP system with 'input field' and kempston mouse/joystick support. dox in russian, sorry. just in case anyone interested. there is a '.tap' d…
simple WIMP system with 'input field' and kempston ... 'modules' concept).
the code is in Public Domain. -
SpecBAS 0.690 Now AvailableHi folks - 0.690 is now available at the usual location: [url]https://sites.google.com/site/pauldunn/SpecOS.zip[/url] You can also download the rece…
... specbas can see it an LOAD "twister" for a demo ... what's new:
[code]
Added:
... a filesystem.
LOAD/SAVE filename$ DATA [var] commands - load and save variables ... in IF THEN ELSE caused code to flow incorrectly.
... -
Another commercial game's source code is released - Arx Fatalis[B]Arx Fatalis[/B] has had it's source code released! It's a RPG, so it's not really my sort of game, and it's available on the XBox 1 and PC anyway,…
... CAN PORT IT TO ANY SYSTEM!!!!
Which is great ... Realms have released the source code for Duke Nukem 3D, and ... the availability of the source code, which is fantastic as some ... /article/67133/arx-fatalis-source-code-released[/url]
Note ... -
Kiwi OS for z80 computerHi everyone, Nearly made my z80 computer with 2K ROM 32K RAM. It has an OS im still writing called Kiwi (apple, blackberry, you get the idea ;D) he…
... SYSTEM MENU
;============================================================
MENU
LD HL, 1500 ;LOAD ... /> LD A, $20 ;LOAD A WITH ASCII CODE SPACE
OUT (2 ... /> LD A, $20 ;LOAD A WITH ASCII CODE SPACE
OUT (2 ... -
z88dk + File Handling ProblemHello my fellow WoS'ers I thought I would ask here as I am having a bit of trouble with a very simple C program that I wrote for the spectrum using…
... and its emulating a +3e system environment with an (8bit) Hard ...
fclose(fptr);
}
[/code]
As you can ... use a loader, or just load the bin into ram < ... /> [B]linker output[/B]
[code]
Unrecognised argument: \\
copy ... -
IDE Hard Drive on your Spectrum!Hello there my fellow WoS'ers Today, I am going to share with you something that has truly captivated me over the last couple of months, some of you…
... +2(AB) has a tapedeck system that dominates nearly a quarter ... I can load game snapshots and save my basic or code programs ... some fellow crazies for the system =)
Anyway I ... -
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 ... .org/showscreen.cgi?screen=screens/load/o/gif/OddBall.gif[/img ... -
Alkatraz protection systemI recently became interested in the Alkatraz protection system, a very widely used tape protection (a infoseek search returns more than one hundred r…
... interested in the Alkatraz protection system, a very widely used tape ... , the save routine or mastering code is not available in these ... -loading screen and the main code (solid-black border)
SpecBAS 0.718 Now AvailableHi Folks! After an appreciable delay, the latest and (dare I say it?) greatest SpecBAS update is now available. We're moving into modern times with …
... a complete rundown:
[code]
Bugs Fixed:
var as a reference.
< ... memory is displayed.
LIST VAR [a()] - either lists all ... $ and a load of others - see handbook for usage.
[/code]
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, based ... Toni Baker's "Mastering Machine Code". This enables any attendant m ... ):
REM INSTALL MACHINE CODE... with GO TO 9161
LOAD "m/c"CODE mc,ml:
PRINT ...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…
... CLEAR 32767
30 LOAD *"b" CODE 32768
40 PAUSE 0 ... want to tweak the machine code.
Then connect everything ... Microdrive file system (i. e. how Sinclair BASIC would load a file ...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 ... in 128 mode. It'll load fine on a +2a or ...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< ... L11DC: LD (HL),$02 ; Load memory with $02 - red ink ... L11DA: LD (HL),$01 ; Load memory with $01 - blue ink ... last valid location.
[/CODE]
Another ...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 ... a ; quick way to load accumulator with zero.
... basexy ld a,22 ; AT code.
rst 16
code for User Defined Graphic ' ...OpenSE BASIC 3.1.1The eagle-eyed will have noticed that [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0027510"]SE BASIC[/url] got an update last week. As a te…
... in different, but functionally equivalent code for the missing routines, as ... LDIR block data copy machine code command), ON ERROR (error ... command. This enables you to load a ULAplus screen as 6 ... in this area before the system variables, freeing up an extra ...yeah x 0.0.2first: [URL="http://www.yeah-unix.org/downloads/yeah_0.0.2.tar.gz"]the goods are at - http://www.yeah-unix.org/downloads/yeah_0.0.2.tar.gz[/URL] aft…
... ).
when you load latest 48.rom -compiler binary ... tue may 29 2012 (load 48.rom into your emulator ... done?
=============
- startup code
- vectors are mapped to ... buttons on read),
- file system (via rs232 or microdrive device ...Developing apps for ZX Spectrum with SDCCDue to troubles with makebin utility which always starts coversion at memory address 0x0000 and can only produce binaries < 32KB, it can't be used to…
... such as Fuse via Load Binary menu option ... ;; this area contains data initialization code -
;; unlike gnu ... generates
;; initialization code for every initialized global
;; 1024 bytes of operating system stack
.ds 1024
WoSBridge for Spectranet - early previewAs it's been mentioned in the Spectranet thread, I thought I'd post a quick heads up about the WoSBridge for Spectranet. [B]What is it?[/B] Well, i…
... " CODE 16384
For a .tap file,you can load it ... />
%tapein "filename.tap"
LOAD ""
[B]Any other ... B]
The file system is case insensitive, and supports ... /> %tapein "*tap"
To load the first .tap file in ...Diagnosing a strange software fault in a 48kHi, A friend gave me a 48k, which I am very keen to restore. The spectrum 48k was my first computer over 20 years ago and I owe my ability to code t…
... I owe my ability to code to this rubber keyed little ... . It also came with a load of cool stuff like "spec ... firmware (I think) problem. The system misbehaves to the point where ...Everdrive 64 (N64 backup device)Since I can't get N64 emulation to work right (unlike every other machine I try to emulate, why is N64 emulation still so riddled with incompatibilit…
... menu, allowing you to load any games stored on the ... the best games on the system, and not some really ... hasn't corrected it's code, and even if he ... selectable by a friendly menu system. Factor in that it ... and the three seconds to load a game time (brilliant!) ...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 ... /> .msgpcc ld a,(hl) ; load character into A
cp ... /> .msgpch ld a,(hl) ; load character into A
rst ... .msgfir defm " PRESS FIRE "
[/CODE]
On entering the ...
