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RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... +256
[/CODE]
Here's the complete source code including this change ... :
[CODE]
; -----------------------------------------------------------------------------
machine code loadercan someone have a look at this loader and break down what its actually doing and also how i can stop it from executing the 2 loads of headerless blo…
... to the end of the printer buffer. The second code block is the actual machine code which ... occupies all of RAM from the ... end of the ...Bug fixing woesGaahhhh! I've spent an afternoon off work agonizing over why my routine didn't work. It's something I'd already restarted so didn't want to wipe th…
... screen in order to view the resultant machine code.
As ... soon as I saw the instruction LD ($ ... 0001),HL at the beginning of the code I knew I'd ... I should have looked at the machine code much sooner. As stated, ...Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…
... any position you must go the dreaded machine code :) It's hard ... ]piece of code + a piece of data[/B]. The code copies graphic ... data to the screen memory. ... Oh, and you must write the code yourself. In assmebler there aren ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... yourself, for instance:
[CODE]
PRINT #4; INVERSE ... World!"; INVERSE 0[/CODE]
[*]The other solution is ... the same value in inverse). For instance:
[CODE]< ... 494 bytes long. Since the complete source code (including all choices) ...Creating a new game - AssemblySo... finally I?m studying Assembly Z80... after 36 years. :) Well... it?s sooooooooooooo hard to make a game using Assembly? I bought a book (Spectr…
... WoS.
I downloaded the Mastering Machine Code for ZX Spectrum and, fortunatelly ... /> Until the end of the year (2012), before the end of the world, I ...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…
... depends on the hardware (machine code instructions supplied by the z80 can ... treat the number ... hex/(octal)/binary in machine code programming -- while you ... clear to someone reading the code that you are ...Games written in BASICHi all, I've been racking my brain trying to think of a game which was definitely written in BASIC (ie not in assembler). The only thing that I can …
Yeah, Sqij was written with Laser BASIC; it wasn't even compiled.
That other notoriously bad game Voyage Into The Unknown is also mostly written in BASIC, with the occasional machine code routine thrown in.Sonic Game PossibleIs a sonic game possible on the ZX Spectrum 48k? I read somewhere that someone tried to create a sonic game for the ZX Spectrum, but the only [url=ht…
... re talking about the Master System version here. The Mega Drive version ... Hideously difficult. Just to store the map data you need to ... you only update the attributes), know how the speccy screen is ... and i have read both the ZX Machine Code Game in 30 minutes ...Play command on divideHi, i thought I'd have a quick go on divide seeing as i had an afternoon spare.However,i can't seem to get the 'play' command on the screen?. It see…
... often if you're using the 128 editor as divIDE ... the machine will crash. Also you can force 128 mode using the following machine code ... program:
[code]di
ld ... c), a
rst 0[/code]
or in BASIC
Typing in type-in gamesWhat are people's memories of typing in game listings from magazines and books? Pain or pleasure? I used to quite enjoy tapping them in, seeing how …
... it until I got to the point where I could pretty ... was more fun typing in the occasional machine code games and routines that ...Got some more books for sale[url=http://postimage.org/image/n7vcm6wb7/][img]http://s5.postimage.org/n7vcm6wb7/P231112_19_02.jpg[/img][/url] [url=http://postimage.org/image/4gtfc…
Hi,
I am interested in:
* Arcade Games
* The Spectrum Machine Code Reference Guide
* Master Your ZX Microdrive
CheersTKMEM - the 128K interface for 16K SpectrumsHello all! Here in Brazil, we have made a small production of an interface, totally based on Velesoft?s memory expansion ([url]http://velesoft.speccy…
... computers together...
One generates the video picture and sound output ... , the other uses all of its RAM for the running machine code program ... (just ignore the resulting garbage video ...TKMEM - the 128K interface for 16K SpectrumsHello all! Here in Brazil, we have made a small production of an interface, totally based on Velesoft?s memory expansion ([url]http://velesoft.speccy…
... computers together...
One generates the video picture and sound output ... , the other uses all of its RAM for the running machine code program ... (just ignore the resulting garbage video ...BIFROST* example: "Knights & Demons DX" source codeA package containing the source files of our multicolor game "Knights & Demons DX" is now available for download [URL="http://www.mediafire.com/?hbch…
... I'm going to release the complete source code for every game I ... create using BIFROST*. In the latter ... case, there's usually quite a lot of code ... . Prefix "BIFROST" helps developers to easily notice all the parts ...Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... A of the Speccy manual, found the keyword for ... , RANDOMIZE USR 32768 effectively crashed the machine of course.
the computer to:
[code]
rst ... It was eventually the example machine code program in the Spectrum+ manual which ...Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... able to see the states of the PC and the other registers realy ... br />
One of the advantages of the archive is I think ... have all of the assembly/machine code books now on the Z80. So I ... can read the basics ...Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... /> its all solved.. come on the hex machine code peace bus..
Lets all get high and code ... in hex.
I will add that to the ... .
(just to infurate him the students would cite usability over ...New game: Knights & Demons DXHi everybody! Our last game is here! Einar Saukas and me were working hard last five months (Einar on the code and myself on the grahpics and music)…
... />
I also uploaded the complete source code to WoS a while ago ... , so it will be in the ...ZXMAK2Hi everyone, I'm glad to present you the latest version of my emulator - ZXMAK2 :) There are a lot of changes were made since the last topic about t…
... appears in the new version is the place where the current machine tact is ... shared between the some devices and the machine Bus. In the new version it ... of COVOX device for the PENTAGON machine:
[CODE]
public class CovoxPentagon ...ZX-Assembler version 0.8 (beta) releasedDear readers, yesterday I've published ZX-Assembler in its first version 0.8. It offers you some interesting features, even if I know there are …
... maps:
If I have the following machine code routine...
... suggested example of converting code sections into data bytes ... mark only the first Z80 instruction byte as "code", but not ... following data bytes. These 'code gaps' that occur in Fuse ...Removal of "reset on break" protection (old basic program)Hi, Long time lurker, here! This is hopefully quite simple but there's an old basic game in the I'd like to bring up to date / take a look at …
... tricky to integrate the existing machine code routines into the BASIC code however - they're ... on the fly, which obviously won't work in compiled code. It ... through a dissasembler and include the relevant sections as inline assembly ...Code structureHi all, I'd be interested in opinions on the neatest way to do this. I've got a print string routine in which 0-31 are reserved for control codes, …
... such limited machines as the speccy. The goal when writing assembly ... is to squeeze the most out of available ... languages on the other hand, you want your code to be ... it's the compiler's job to ensure the resulting machine code is optimized ...Code structureHi all, I'd be interested in opinions on the neatest way to do this. I've got a print string routine in which 0-31 are reserved for control codes, …
... higher languages on the other hand, you want your code to be ... it's the compiler's job to ensure the resulting machine code is optimized ... and tidy code, with lots of debate on what is the best ... way to comment code. I guess it ...How to Poke a real Spectrum....Hi everyone. Can anyone remind me how to use POKES? (using a real Spectrum, not via the tipshop on an emulator). I've searched around and I can't f…
... would load and start the main machine code part of the game.
< ... , or more likely rig the machine to crash if there was ... in a machine code routine to do the rest of the loading, which ... of the BASIC program, which turned out to be the machine code loading ...how to load machine codeI'm reading Jon Caldwell's how to write Spectrum games but can't enter the code! Here's an example:_ LD BC, (score) Call 6683 I tried putting…
... ] briefly mentioned in the Spectrum manual (Chapter 26 - Using Machine Code), but it ... /> Even a lot of the early machine code books assumed you'd be ... using a hex loader (unless the ...How to get more than 21 UDG's in BASIC?So with graphics mode under the G cursor how many UDG's can you do from BASIC is it 21? It's all POKE 65368 and above and it's sequential ABCD.... an…
... line 2000 contains the small machine code routine to copy the system font to ... custom characters which follows after the machine code routine. I want it to ... BASIC listing etc..
[/code]
The game which works fine ...How difficult to do a Harry Price?how difficult do you think it was to do a Harry Price and do a total Mod of a magic knight game? He must have owned a multiface thingy to look at …
... data and what parts are the actual machine code. It is not easy ... even with all the emulator debugging/disassemble ... lines of code. Find the map data in the game, understanding the values that ...How difficult to do a Harry Price?how difficult do you think it was to do a Harry Price and do a total Mod of a magic knight game? He must have owned a multiface thingy to look at …
... and understand how the program works and why the programmer done it ... data and what parts are the actual machine code. It is not easy ... even with all the emulator debugging/disassemble ...In-game AY music and sound effectsI'm currently working on various aspects of a Spectrum game and thinking now about the sound side of things. I know you can use a utility like Vortex…
... machine code, chunked up into frames. An ".ay file player" runs through the ... channel songs. The compiled machine code in the first type of ... player has already had the ... compiler that emits raw machine code, wrapped up with ...
