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48k games developed on the 128kSeeing as I don't know enough about this subject(or the history of assemblers/C/C++/BASIC/FORTH/COBOL/whatever programming kits), I thought I'd ask h…
... pushing the machine to its limits, in the terms ... assembler + program text sitting in memory, we can't ... ,AF' is one byte in machine code, but as a text ... 40 kB of code at machine with 128 kB gives ... But developing the code on other more powerful machine (so called ... -
Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…
This 'virtual machine' project has been ... the day, programming games in machine code is transferable from one ... manual previously posted:
[code]
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Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…
... 2%". ARRRH!
Poor code boils down to lazyness and ... />
On the subject of machine code games, I hope to start ... am still in the process of salvaging my old Z80 code from ... bullets under the title "Games in machine code", did you write any bullet ...I have a fantasyI have this fantasy that sinclair research will re-emerge out of nowhere, and release a new model of spectrum. Maybe exactly the same as the classic …
... /showthread.php?t=31769"]Games in machine code [/URL] thread...
[QUOTE ... , my dream has been shattered in another thread, as it is ...SPIN's breakpoints - an overviewAs quite a few people have been asking how to set breakpoints on memory write etc. in SPIN, here's a description of the way the breakpoints work. Get…
[QUOTE=Marko;224831]Code that accesses genuine 8- ... way of reading this in machine code is the "IN A, (31)" instruction ... mask off specific data in a condition:
[code]
UNTIL (RPORT ... & 255) = 31
[/code]
...which masks off the ...Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…
... design of the selector in your BIOS Velesoft because ... not use extended memory in DIVIDE PLUS, only install ... After reset/start ZX code in rom 1 copy BASIC ... ZX ram + move short code for system switching. BASIC ... :-)
Or complette in machine code ?Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…
... POKE :-)
Or complette in machine code ?[/QUOTE]
Apart from ... I vote for not pure machine code and the classic 128 menu ...Horace you smooth mover!Just wondered, was Horace the first character to move smoothly around the screen - rather than in a blocky, character space by character space fashio…
... can control both these aspects in machine code.
You can use ... PAUSE 1 in BASIC to effectively raise a ...Platformer BAS file?Does anyone have an example of a platformer in BASIC? Specifically one that uses drawn sprites, etc.
... use the RAM disk via machine code?... Anyone?..[/QUOTE]
The ... so on.
In machine code, copying data between addresses is ... ROM's ramdisk features from machine code.Creating bootable menu +3 disksCan anyone tell me how to create a bootable menu? (ie, select loader and up comes the menu or disk inserted at power off, power on, straight to menu …
... handy with a bit of code you could save a file ... example of a complete bootstrap in the manual (looks complicated to ... menu program needs to be in machine code, and you need another program ...Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…
... screen the only difference) lies in swapping the address lines the ... is much easier to do in machine code than in BASIC)
It is ... thaught back then. Make the machine work, work well, and cheaply ... could draw everything else, and in Color!
Sinclair took ...Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…
... is much easier to do in machine code than in BASIC)[/QUOTE]
Fine ... thaught back then. Make the machine work, work well, and cheaply ... the early Spectrum...
Make machine work: check
work cheaply ... don't have a time machine, idle suggestions as to ...Memory upgrade for ZX Spectrum 16/48This is external memory upgrade for ZX Spectrum models with 16kB ram. Can be connect also to 48kB models, but need remove 8 dram chips (from sockets …
Would it not operate in that 128K hybrid mode, with flashing K cursor, but access to 128K? If an AY magic is also present, as long as the Sound is programmed in machine code, it should be able to run 128K sofware, shouldn't it?Memory upgrade for ZX Spectrum 16/48This is external memory upgrade for ZX Spectrum models with 16kB ram. Can be connect also to 48kB models, but need remove 8 dram chips (from sockets …
... ;519973]Would it not operate in that 128K hybrid mode, with ... 0 mode on original ZX128. In combination with Divide interface is ... as the Sound is programmed in machine code, it should be able to ...Utility or routine to save/display imagesLet's assume I have an image or sprite at coordinates x,y with w witdh and h height. If I were to store this image, which storage method would allow …
... might be an utility package in the archive which has much ... slow. I also have a machine code routine which can turn an ... way to display an image in machine code.
Thanks. :)[/QUOTE]
Designing a game.Hi all Lets say that i have been impressed with the games being created by guys on WOS and want to have a shot at making a game myself,my ageing know…
...
If you are interested in machine code, download some tutorial book from ... to look at others code. Today people don't ... protect their code jealously, you can look ... full game in only 1 kB of code so you' ... all that full 40kB of code.
And ...This might be something new[img]http://www.711chan.org/test/src/130427925559.png[/img] Have a look at this screenshot of my emulator ZX82. Notice the copyright message? That's…
... yet as getting stuff in and out of HDF ... divIDE somehow handle it in addition to handling the ... to the IDE bus? In the latter case, it' ... SpecBAS will run programs written in Sinclair BASIC, but there' ... program, or from a game in machine code. That's the idea, ...Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... to USR0 mode from the machine code loader. MegaLZ is just compression ... copy of the basic loader in machine code. The original doesn't work ... has different syntax for paging in basic. The banks uncompress the ...ANN: EsxDos 0.73 released (third party - not mine)Papaya Dezign have finally released their firmware/OS for the DivIDE interface. Go get it from [url]http://www.esxdos.org/files/esxdos073.zip[/url]…
... can't be difficult to code a file browser (something similar ... for them to go and code something. Doesnt even need to ... a seperate file browser coded in machine code would be just fine :)Loader help please (and a suggestion)I posted in my "Wicker Woman" thread that I was having problems creating a loader, but I think this is a more appropriate place to post. I've had go…
... if you were loading a machine code program with LOAD "" CODE though.) You're ...Print TextHow do i print text on the bottom left row(memory location in attribute 23295) of the screen in assembly? I understand the parts better on paper and …
... are - in crude terms - just emulating BASIC in machine code. If you ... you want with your code. This lack of colour ... told your emulated BASIC code to change them first ... the plague but.....
[CODE] ld a,16
... 4
rst 16[/CODE]
...seems right to ...Why doesn't my routine work?I have a "level" defined by 504 bytes (28 squares across x 18 squares down) I'm trying to write a routine that will take an X,Y coordinate in pixels…
... , story and dialogue I had in mind arn't actually going ... memory. The screens are stored in ram with a format that ... text somewhere on disk. Depacker in machine code is ready too. So if ...Move objectHi again, I am using paper colors to represent game objects. I have a "paddle" that is 4 pixels wide. I save its position as a 2 byte word in memory…
... /> What are you programming this in?.. BASIC, assembler, C, forth, ... to your question will depend in part on how your ... hand side of the character)(In machine code, something like this method ... draw it, particularly if coding in machine code (Its easier to draw ...Recommend me an easy to use assembler![deleted]
... makes sense to be coding in that fashion because you ... able to instantly see your code working or not working ... re more comfortable with programming in machine code and your projects inevitably ... spiral in size and complexity using ...List of existing games that needs a port to zx spectrumPlease post here the games that exist in other platform(s) but does not exist in speccy. Please keep in mind this is not a to-do list, so don't hesti…
... it replaced the old Atari code for font handling/scrolling/scaling ... Much of the original code was written in C and compiled, as ... ) with bespoke code written from the ground up in machine code, and made ... a result of the improved code, much quicker, smoother and ...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…
... main loop
}
[/CODE]
Now the important ... for interrupt handling routine in this code? After all, the ... know where it belongs in my code. And what do those ... understand monitor program written in machine code or even in Z80 assembly.Wolfenstein / Doom for 48k SpectrumHi, is there any game / demo of this kind that runs on 48k machines? Thanks.
... as I can see, is in 48k...
Here is ... failure to do anything good in machine code would suggest that I'm ...Sinclair Programs uploaded.I've just uploaded a ZIP containing all the 'Sinclair Programs' programs and the instructions for each one. (Well all the ones from 'The Type Fantast…
... Programs' there were not typed in yet (according to 'The ... Page - May'85
Morse Code - Peter Ford - Apr'84
In Machine Code) - Tony Rickwood - Mar'85< ... Harris - May'84
Tootles In The Pit - John Lonsdale - Jan ...Souping up my Spectrum+ 128k ToastrackI wrote a small piece on the various things I've been doing to my ZX Spectrum+ 128k toastrack, primarily getting it working with the bright output an…
... (mostly capacitance) it's in makes the output anything but ... vertical scale. Notice the decrease in signal magnitude, it's quite ... making shorter and longer pulses in your PWM pulse train, ... (which with a program written in machine code, you can).
...
