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Disable onboard memoryWould this work...? Access to onboard I/O can be disabled by holding IORQGE high. Would it be possible to create a MEMRQGE in a similar way to disa…
... way to disable all onboard memory - like ROMCS but for the ... whole memory map?
Translating the ... piece of on-board memory and map external memory over it. CP ... -
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…
... (even those only familiar with basic) will be able to pick ... to continue producing MULEs, the basic workhorse of plot developments. No ... that draws plot graphics into memory buffers from which SP1 can ... s explained, even for the basic people. The code will only ... -
How do I clear only a specific area of a screen (quickly) in machine code ?I'm looking for a machine code routine which will clear the first 20 rows of the Spectrum's display (or any number of rows or columns) . I have found…
... the display is mapped in memory), which can
clear the ... , is no quicker then the basic FOR F=0 TO 19 ...
pixels are stored in memory) then that would be
+3dos BASIC Headers - Char and Number ArraysHi. I'm almost ready to release the first beta of "3eExplorer" my utility for extracting files from a +3e HDD/CF image. It's actually going quite w…
... +3DOS file header the "+3 BASIC header data" is the same ... a .TAP file...[CODE]+3 BASIC header:
0x0f : Type
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 …
... idea of getting access to BASIC listings inside a program or ... are some games with a BASIC listing inside the code, especially ... remembers any game that has BASIC listings (inside the game of ...super-quick games in BASIC?do you think, games written in BASIC could run flawlessly at high speed when run in a speccy emulator at, say, 1000% speed? (i wonder, speccy is rare…
do you think, games written in BASIC could run flawlessly at high speed when run in a speccy emulator at, say, 1000% speed?
(i wonder, speccy is rarely used in this way - it's even more platform independent then JAVA! :-))) )Sam Revival issue 19 out now! [Sam CoupIssue 19 of Sam Revival is now out! Let's start off with what's on the coverdisk: Conquest. Written by Peter King in 1997 this originally had a lim…
... 's Z80 CPU, hexidecimal numbering, memory and a couple of machine ... you've only stuck with BASIC or the likes of GamesMaster ...Paging MemoryAny idea why this short piece of code doesnt work, just crashes. I am just messing with paging memory in and out (not achived this yet) and reading t…
... am just messing with paging memory in and out (not achived ... 7F LD BC, NN Hardware Memory Switch
ED 78 IN ...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…
... magazines, that BBC BASIC was probably the best BASIC available on an ... />
2) What did Spectrum BASIC lack that might have been ... regarding a BBC vs. Spectrum BASIC comparison, I'd have to ... to write a few very basic BASIC programs for Computer Studies.Speech In BASICIs it possible to produce any speech in just Spectrum BASIC?
Is it possible to produce any speech in just Spectrum BASIC?Testing the Ram on a Toastrack 128KHi All My "new" 128K is misbehaving, all the demos I have loaded for it crash instantly, Ghostbusters 128K is playable but one of the background scr…
... like a problem with the memory, is there an app that ... I can russle up a basic test program, never did get ...Memory SticksI know some of you keep old PCs alive. 72 Pin Simms I've got half a dozen, some in pairs. Any interest and I'll try and figure out what they are. …
... will take PC100 if the memory switches down.) - Lowest prices paid ...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…
... whole new concepts in ZX BASIC that no one could have ... "runner" which loads bytes into memory and then runs a resultant ... code program at a given memory address
2) Run the ... ) keys. You can return to BASIC by pressing "a" (quit).
Starting on machine code - BASIC first?Howdy. If I wanted to start learning machine code for the speccy, from scratch, would you recommend I learn BASIC first or is it entirely possible to…
... , would you recommend I learn BASIC first or is it entirely ... start machine code with minimal BASIC knowledge?
Also (and the ... the first place without the BASIC keywords getting in the way ...Problem with replacing all upper memory with 4164 chipsGuys, i have a problem with the high memory of a 4B issue. At first the board had OKI chips for high memory and one of them was faulty. Since its ea…
... a problem with the high memory of a 4B issue.
memory and one of them was ... changed the wiring for the memory settings from OKI and H ... />
If i insert the memory from a working speccy (with ...It's a trap!So I got a CPLD (not the eventual one I want to use for the ethernet project - rather, one I actually have here and now, an XC9536 in a PLCC44). And…
... of interpreting the line of BASIC at CH_ADD. As a result ... that's normally illegal in BASIC into a program.
memory map as a jump table ... can find a location in memory which no one *ever* calls ...How to add basic commands like "!command"Hi all, is there some where in the forums a thread dealind with the topic how to add basic commands? How are the commands for example of Basic+ are …
... the topic how to add basic commands?
How are the ... commands for example of Basic+ are added? Usual they are ...Sinclair ZX Spectrum - Basic Programming BookSinclair ZX Spectrum - Basic Programming Book Good, clean, unsoiled condition. A must have item for any Sinclair Spectrum Fan. [URL="http://cgi.eb…
Sinclair ZX Spectrum - Basic Programming Book
Good, ...basito: CPC Basic interpreterHello. I'm writing a Basic Interpreter compatible with the Amstrad CPC series Locomotive Basic. It's still in a very early development stage, but al…
... />
I'm writing a Basic Interpreter compatible with the Amstrad ... CPC series Locomotive Basic. It's still in a ...Can someone ID this Basic listingthe basic is on [url=http://www.jupiter-ace.co.uk/review_soundcard.html]this page[/url] at the bottom, I think it could from an Oric? Never having …
the basic is on [url=http://www.jupiter-ace.co.uk/review_soundcard.html]this page[/url] at the bottom, I think it could from an Oric?
Never having an Oric I would not know for sure, or what BASIC it is from.
many thanks!problems using new TRD files within emulatorsDear folks! As you may know, I'm working on the TRD file support for my ZX-Modules programs. For validation - I need a good emulator that supports …
... want to write a simple memory dump to disk using the ... error messages from the 128k Basic of the simulated Pentagon or ...Bizarre stuff in Interface 1's shadow ROMAccording to the Complete Shadow ROM disassembly, the function that exits back to the BASIC interpreter after interpreting IF1 commands is this: [co…
... that exits back to the BASIC interpreter after interpreting IF1 commands ... . You can only BIT a memory address via HL, IX or ...Understanding extensions to the BASIC parserFor a while, I've had a rather 'rinkety dink' extension to BASIC via an RST 8 trap in hardware, just so that I can send stuff to a Spectrum over ethe…
... rather 'rinkety dink' extension to BASIC via an RST 8 trap ...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…
... /c routine to read some BASIC variables. So, before I start ... how variables are stored in memory.
So to learn ... /> It works fine in 48K BASIC, but screws up in 128K ... to work properly in 128K BASIC? (Again I'm working on ...Packing numbers in as least memory as possibleI am writing some code for drawing vector lines etc. on the screen. These need to be stored in memory and I want to pack them in a smaller area as po…
... need to be stored in memory and I want to pack ...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?
No matter how long or tedious the programming/testing may be ... Is Machine Code [B]ALWAYS[/B] faster than BASIC?Emulators on the ZX SpectrumHaving released a Spectrum 16K emulator for Spectrum 48/128 machines as part of CCG2008, I was wondering if anybody knows of any emulators which actu…
... language such as the NASCOM BASIC emulator (from nascomhomepage.com) or ... JGH's BBC BASIC emulator (from mdfs.net) .
BASIC. I hope to release my ... allowed me to test the memory and I/O mapping routines ...Beta BasicWhilst testing my 16K Speccy emulator for CCG2008, I wanted to load Beta Basic. I know v1.0 supported 16K models, but the TAP file online only contai…
... , I wanted to load Beta Basic. I know v1.0 supported ...BASIC Keyword ReferenceHi. I do most of my ZX work on a grey-case +2 which, as we all know, is devoid of most of the 48k BASIC keywords (it has LOAD and stuff, but not much…
... of most of the 48k BASIC keywords (it has LOAD and ... when I need to edit BASIC - I usually resort to random ... anyone knows of a 48k BASIC key-to-Keyword reference? Sure ...
