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Changing the way SCREEN$ is loadedThe way the speccy loads in a SCREEN$ is interesting - top two-thirds first, then middle and finally the bottom, which is due to the way the speccy d…
... the speccy loads in a SCREEN$ is interesting - top two-thirds ... technically possible that one may write a SAVEr and a corresponding ... -
!!! Trdos Emulation On Zx !!![B]This is software emulator of TRDOS(betadisk). Yet is writed only for interface MB02+, but will ported to more other IDE interfaces with external r…
... source code of emulator,load screen from TRD image,enter to ... detect command type for FDC controller. And low level routine read/write ... -
Screen access in assemblerI am again troubled by the unusal screen design of the Spectrum. :) If I want to do something with, say, a 16x16 bit block of the screen (in the sam…
... again troubled by the unusal screen design of the Spectrum. :)
screen (in the same 1/3 ... example, if I want to write something into four character blocks ... -
42 colums in screen, in anywherethe routine write in anywhere of the screen, it can start to write in 32X24 position and write from it in 42 colums, it is utility to have border wit…
... anywhere of the screen, it can start to write in 32X24 position ... speed up the routime, can write 1000 character per second
To write in coordenate mode, can use ... coordenates in addres of spectrum screen.
I redesing the ... -
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 …
... /> The O.C.P Full Screen Editor/Assembler was published in ... the object code to the screen (location 16384) so I could ... had just assembled to a screen dump of 6912 BYTES. As ... it would be difficult to write more than 7K of object ... -
ULAPlus: showing different screen modes in one screenI wanted to write a demo showing the same screen, converted to various screen modes available on the Spectrum (well, a Spectrum clone capable of show…
... to write a demo showing the same screen, converted to various screen ... [/img]
The screen is divided into four blocks ... one, a standard Timex HiColor screen (hires attributes using the ... block is a Timex HiColour screen with ULA+ palette enabled.< ... -
What is the best way to detect CAPS LOCK?Hi Folks, Not sure what the correct behaviour is here as I do not have access to a real Spectrum. Under BASin, when you press CAPS LOCK on the PC k…
... is the best way to detect CAPS LOCK from BASIC? When ... get 6 printed on the screen. Unfortunately, a second press does ... -
(Re) building a ZX Spectrum laserharpThe Cambridge show is nearing, and I want to bring my laserharp with me. Why? Because it's built around a ZX Spectrum +2: [IMG]http://benophetintern…
... !
I decided to write down the things I am ... improve reflection), and the sensor detect the reflection.
When it ... show the ZX Spectrum's screen on my laptop.
That ... -
Arcade Game Designer 4Just released over at the AGD forums. New this time: Sprites can now be individually coloured using the SPRITEINK command. If 16x16 sprites aren't…
... an intro/control menu screen? There's an event ... control menu/static text screen), double height text ... and re-enter a screen. The adventure modification ... s now possible to detect movement within a ... screen/control menu event so you don't even need to write ... -
display file addressing; screen slicingWhile working on this Compendium I'm updating or rewriting a lot of stuff. One thing I eventually came to appreciate was the simple & clever way in w…
... I've done a little screen slicing program in both assembler ... & move things on the screen once the structure of the ... the details:
The screen is divided into three segments ... calls by setting the block write length for each segment independently ... -
Hardware description - DivIDE interface[B][U]DIVIDE interface / DivIDE 2k11[/U][/B] [B][U]The main description[/U][/B] DIVIDE is IDE interface with own external memory. Thanks to very goo…
... is used for system data, screen backup, etc...
... interface can with this methode detect reset, modify rst8 and ... then this ram page is write protected (bacause ram 3 ... br /> [CODE][U]ADRESS READ WRITE[/U]
#A3(163) ... -
New game: Krunel[IMG]http://www.speccy.pl/images/news/krunel_00.png[/IMG] Game name: Krunel Type: logical Author/group: [url]speccy.pl[/url] Platform: ZX Spectrum …
... sound effects: V0yager
Loading screen: CatMan
Additional tiles sets ... registers are write-only there is no way to detect it's ... . If the game can't detect the AY chip it defaults ... -
Reading from a Write FileI have been speaking with a customer who uses a small bit of machine code to do a screen dump. The machine code is 650 bytes long. The machine code…
... machine code to do a screen dump. The machine code is ... the error reading from a write file !!
Any ideas ... -
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
...
Nowadays if you write [B]"multicolor"[/B] everyone assumes ... ]bicolor[/B] graphics everywhere* on screen.
In practice ... btiles"[/B] anywhere on screen (even partially hidden outside ... ENGINE is also "full-screen". Technically, perhaps it would ... -
Double-Buffer ScreenFor my Alien Breed Speccy re-write I decided to use a Double Buffer (DB) or 'Back Screen' to draw all the game action onto, before shuffling the whol…
... write I decided to use a Double Buffer (DB) or 'Back Screen ... screen. This allows me to more easily plan where stuff goes, write ...
The DB screen sits at mem 25000d and ... to the DB screen and then RANDOMIZE ... 25000 ;Start of DB Screen
ld de, 16384 ... -
The history of ESXDOS, the DivMMC and the DivMMC EnJOY![img]http://benophetinternet.nl/hobby/divmmc_history/1%20esxdos.jpg[/img] These are the stories behind esxDOS, the most popular operating system e…
... - BIOS
- HDD detect/format options
- PSX type ... DOS services (open file, read/write sectors, etc, etc, etc)
- buffers for sectors/debugger screen corruption
- just got ... People started asking for write-support on FATWare, but ... -
Basic Screen Shadow QuestionHello, I've been porting a game to the Spectrum from another platform. So far so good and I have per pixel screen scrolling working really nicely …
... The following correctly fills the screen with vertical lines. This ... br /> ld c, 0 ; Screen Normal
... ld c, 8 ; Screen Shadow
call change_bank< ... 0x01 ; Value to write to the screen
ld de, ... -
ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…
... because I wanted to write a routine like ...
I did originally write the compressor in ASM for ... /> // *****************************************************************************
// zxsclzf ZX Spectrum Screen Compressor
// by Tom Dalby ... -
Just watched Paul Jenkinsons's spectrum chanel and now want to write code againPlease assume for the purpose of this thread I know nothing... I want to look to write games on the spectrum but want to develop and test on my wi…
... /> I want to look to write games on the spectrum but ... to do with the nag screen).
As I don ... -
Other than using attributes what other ways to detect collisions, when using char based movement?So I'm slowly working out the bits and pieces to write a game completely in assembly. I've been using attributes when writing in BASIC to detect whet…
... the bits and pieces to write a game completely in assembly ... when writing in BASIC to detect whether and object hits another ... -
No-tearing (“vsync”) Full Screen FadeSeeing as most screen fades exhibit visible tearing, I wrote my own routine which does away with that problem. Simple, effective, short, and fully re…
Seeing as most screen fades exhibit visible tearing, I ... de ;until we reach active screen area,
ld a,d ... INK
ld (hl),a ;write attr
inc hl ;next ... -
Printing text using direct screen addressingHaving some problems printing using the FASE engine which is currently defeating me. Hoping to have someone clear out the bit of fog currently dwell…
Having some problems printing using the FASE engine which is currently defeating me. Hoping to have someone clear out the bit of fog currently dwelling in my brain for this function. I'm trying to get the text working properly in 128k mode which uses ... -
Fastest emulator screen renderingHi, I'm developing an algorithm for fast emulator screen rendering and here is what I came up with. 1) Use 4bpp indexed image format as target …
... an algorithm for fast emulator screen rendering and here is ... algorithm.[code]byte=next screen byte // get next screen byte
p32 ... line for y and continuously write 32 bit values to ... alg from point(4)
write to img4bpp_addr
increase ... -
How to write a simple BASIC* horizontal scrolling game (Tutorial) [b]How to write a simple BASIC* horizontal scrolling game[/b] In this tutorial, we will be talking about how to write a simple BASIC* horizont…
[b]How to write a simple BASIC* horizontal scrolling ... be talking about how to write a simple BASIC* horizontal scrolling ... move the player outside of screen, causing an error. therefore, we ... score right after scrolling the screen.
And we increase the ... -
How to write a simple C+asm horizontal scrolling game (Tutorial, z88dk)[b]How to write a simple C/asm horizontal scrolling game[/b] [b]Note:[/b] This tutorial has multiple parts... I am still writing but this first pa…
[b]How to write a simple C/asm horizontal ... /> [b]A) Drawing a scrolling screen[/b]
We start ... again with drawing a screen that scrolls. It's mostly ... fastcall for it. If you write normal functions you should not ... -
Fake screenshots? No - now it's REAL screenshotsOk then. A few weeks ago I said I will show You the new gfx-mode of Speccy and - here it is: [url="http://republika.pl/hooy_prg/hprg.zip"]http://rep…
... to copy a screen from a screen location and you ... bam", it displays on the screen in an instant. the ... of using the whole screen but i recommended using ... program could for example, detect how many shades there are ... the writer, i couldnt write such a thing so ... -
Fake screenshots? No - now it's REAL screenshotsOk then. A few weeks ago I said I will show You the new gfx-mode of Speccy and - here it is: [url="http://republika.pl/hooy_prg/hprg.zip"]http://rep…
... the attributer are transfered to screen, and because this is 768 ... thinking of using the whole screen but i recommended using ... [/quote]
Hey, you write leet? ;)
Okay, BMP2SCR was ... the program could for example, detect how many shades there are ... -
+3 disc imaging (idea + SDP)Following a bit of research, which you can probably see in the "old code" thread, I had an idea for a bit of software that may be useful (for me, and…
... is able to read/write Amiga floppies unless you ... not be able to write the copied sector. Now ... protection system can therefore detect a copied disk. If ... variables out and write to the screen the details of ... option) simply does a WRITE track instead after tape ... -
z88dkHello. I'm an spanish user of spectrum (and naturaly of this page). I have a question. I want to start to program games with z88dk, but I need a goo…
... pushes the string to the screen without any interpretation. A ... stdio functions for printing to screen and reading from keyboard are ... to scan the keyboard and write the key read to ... immediately.
in_KeyPressed() can detect if any single key is ... -
ZXDS 0.8.1 beta 1Hi! The [URL="http://zxds.raxoft.cz"]new version[/URL] is out. The major feature is of course the RZX playback, but support for ZIP archives and POK…
... just stays on the menu screen and beeps. This RZX plays ... =Patrik Rak;318880]Grmph, to detect the retriggered interrupt I have ... 't work (and don't write any reason nor IO mismatch ...
