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Does Screen Flipping work on a 48k Spectrum?On the other post it showed some basic code to flip the screen on a +3. Does it work on a 48k Spectrum. Can anyone show me the machine code to: Se…
... , you have to copy the backbuffer over the main screen (4000h) I ... br /> LD HL,16384 'start screen
LD DE,49152 ' ... LD BC,6912 'length of screen
LOOP LD A,(DE ... to compensate
LD A,B 'test for end of screen ... -
Games that are easier due to bugsThis is a similar type thread, how many games are made easier due to bugs? I remember being able to bounce past the guardians in Underwurlde without…
... at the edge of the screen, then alternate two rolls with ... high doorway by jumping Heels, switching to Head, and jumping Head off ... -
EmuZWin 2.5.0.1Version 2.5 Release 1.0 (10-Jun-2004): a lot of changes and fixes in ??? Map Builder ??? GFX Editor ??? Loading & Saving ??? Sound & Video ?? Speed…
... [-] Problem with no responding to mouse/keyboard when 100% of ... just can not switch to thread handling mouse/keyboard ... Quality Magnification + Direct-X full screen + desktop resolution = True ... the emulator crashed switching from full screen to a window. Fixed ... -
Game loop design?Having some thoughts on how to design the game loop and could do with some hints and tips from folks who have done it before! It's all about how to …
... to just copy a buffer than to decide what to draw to the screen ... copy of the current game status it needs to draw the screen ... enter IM2 routine
new screen to draw - draw it
... exit IM2
--back to screen drawing function
finished drawing ... -
T.I.M. - A New Interlace - Demo for DOWNLOADHere's something that's been in the works for quite a while ( mostly in my head ) and recently I've aquired assistance to help it come to fruition. …
I would love to see some working example code of this, say to copy 8000h backbuffer to 4000h screen. -
Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …
... copy 2/3 of the screen (4096 bytes) from my Backbuffer to the screen ... /> ; ; CONVERTS A SCREEN ADDRESS TO AN ATTRIBUTE ADDRESS
... A 1*8 CHAR TO THE SCREEN
... :
; HL CONTAINS SCREEN ADDRESS
; DE ... -
Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …
... but I only copy this when rendering ... br /> ; ; CONVERTS A SCREEN ADDRESS TO AN ATTRIBUTE ADDRESS
... PRINT A 1*8 CHAR TO THE SCREEN
; ... ENTRY:
; HL CONTAINS SCREEN ADDRESS
; DE ... -
On 48k, can I copy 4k before next screen updateFollowing on from my thread at [url="http://www.worldofspectrum.org/forums/viewtopic.php?topic=6423&forum=11"]http://www.worldofspectrum.org/forums/v…
... /> How can I copy 4k from Backbuffer to Screen in under 1/50th ... point, I basically want to copy back to front screen with no tearing/flicker ... when the raster catches up to your copy.
If ... have one full frame to perform the copy before the raster is ... -
T.I.M. - A New Interlace - Demo for DOWNLOADHere's something that's been in the works for quite a while ( mostly in my head ) and recently I've aquired assistance to help it come to fruition. …
[quote]
On 2004-09-15 21:33, robpearmain wrote:
I would love to see some working example code of this, say to copy 8000h backbuffer to 4000h screen.
[/quote]
that makes two of us. -
Sparky eZX-BASIC Project in need of FPGA ExpertYou probably are not familiar with this project, but it is a computer system based on Zilog's new eZ80 chip and the OS is a superset of ZX BASIC. Ju…
... of linear addressable memory, no bank switching. Also, most importantly, its IRQ ... a VT102 routine as the "screen" output, via an RS232 interface ... as having a real video screen.
I did once ... -
want to see speccy loading screens!Hi everybody! I just love to watch speccy game art. 2:o) Can you help me to find sites, where I can find lots/tons ;o) of jpg/gif/bmp images of lo…
I found it hard to copy loading screens by right mouse ... you move mouse to top of pic, loading screen changes to in-game ... , I found that I managed to get only few loading screens ... -
New release of EmuZWinEmuZWin Version 2.6 Release 1.0 Beta? ? (30-Jan-2005): A lot of changes. Most important are: [+] Formats supported: RZX, SLT. [+] Sound devices sup…
... also for Direct-X full screen.
??? (+) Keyboard state now provided ... menu, and hot keys to control connection without switching to Connection window (Alt ... mode requested for DirectX full-screen but the hardware can not ... -
New release of EmuZWinEmuZWin Version 2.6 Release 1.0 Beta? ? (30-Jan-2005): A lot of changes. Most important are: [+] Formats supported: RZX, SLT. [+] Sound devices sup…
... /> >(And on slow machines switching can be even very slow ... , I cannot get EmuZWin to properly go to full screen mode. If I ... crashes when I try to go to full screen. If I enable both ... , then when I try to go to full screen, the screen flashes, and EmuZWin ... -
Monkey Island On Speccy...I would love to see Monkey Island on the speccy...think it can be done...not as much detail or graphics...but along the same story lines.... What ot…
... cart with a particularly clever bank switching chip, you could get the ... 's not all that difficult to do, either, if you can ... many games are 8K up to 32K)... -
Starglider 128k TZXNow I would if I could, but I simply don't have a copy of the game on tape handy, but is there any possibility that someone could upload a working ve…
... pressing enter.
Next change to 128 hardware in spin and ... work in 128 mode without switching to +3 hardware in spectaculator.
to get a multifaced snap of ... though. Z802TZX creates a bugged copy that crashes after approx 10 ... -
z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…
... .
I have to give the CVS a try ... and attempt to compile it. I've ... added inb and outb support to stdlib and I need ... the 128K spectrums and attempt to use it from z88dk+ ... game with AY music and bank switching using z88dk :)
... -
z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…
... precision horizontally (as opposed to being confined on exact ... pointers in that column to point at sp_NullSprPtr. ... bank switching using z88dk :)
[/quote]
I look forward to ... straightforward to force the assembler to confine code to certain ... -
z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…
... coding. Now I try to convert the most critial parts ... try and get more people to try z88dk, I find ... it the most affordable way to create a nice, playable ... has opened lots of doors to me, trust me. Now ... . Interesting stuff being able to omit the third column if ... -
z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…
... are many things to sort out and to design - mainly ... as a RAM disk to copy stuff when needed. That ... z88dk programs are capable to open files for read ... prefer just to ldir stuff from one bank to another, but ... Another idea I can leave to germinate here is that ... -
z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…
... Sprite but just blit it to the screen and forget about it ... and select another (like when switching codepages using 23606 and 23607 ... question: If I draw something to the screen [I]externally[/I] - I ... games which I would decompress to the screen and then draw the ... -
z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…
... but just blit it to the screen and forget about it ... and select another (like when switching codepages using 23606 and 23607 ... is inside sp_UpdateNow when the screen is drawn. Whatever the ... The alternative was to store an entire Spectrum-size screen in memory ... -
SAVE the complete screen in BASICHow can I save the COMPLETE screen (with the last two lines) in BASIC? If I type SAVE "XXXX" SCREEN$, then comes the message "Start tape, ..." and th…
... isn't it possible to copy your pic to a higher point in ... newaddr=32768: FOR s=16384 to 23295: POKE newaddr,PEEK s ... ]
And then SAVE "SCREEN"CODE newaddr,6912 -
Bug in EMUZWINIt's quite minor actually and is in the Assembler. Ocassionally when assembling the ASM gives the wrong address to a label. For instance I used the l…
There seems to be an issue with Full Screen mode (at least on my setup). Sometimes when switching to it my PC locks up completely (not even CTRL-ALT-DEL will get me back). This refers to release 1.11.
Derek -
ZX Advance on the DS....It's fantastic!!! I new soon or later I was bound to get a DS, even though I have Zero time to play with it, and I am glad I did!! First thing I did …
... as the original GBA screen it's a bit smaller ... game, you could even copy and paste the remapped ... Anyway, feel free to copy and paste it to your .ini file.< ... look at the start screen and if it says< ... I quickly remap 2 to select (to choose kempston,since ... -
What happens during a reset?I always used to wonder about this, but only thought a bit more about it last night when noticing after all these years what actually happens. Obvio…
... -LEC alternative ROM is able to do this under software.
to be able to access this extra RAM ... not a big fan of bank-switching anyway. -
Method to read byte as binary string rather than dec?Hi all Am fiddling around with the screen buffer and have written a routine to scan the screenbuffer into upper ram and then write it back in upside…
... 're accessing. To copy a 2048b buffer (1/3 of the screen) using ... -
128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…
...
I basically want to write to the screen, while the rom is ... reading the screen from one location (say 49152- Bank 7 I ... believe). Once I have finished writing to the "shadow" screen ... , I then want to tell the rom to point to ... -
+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…
... , but software houses seemed to defeat it's copy methods quite easily ... it WAS written to, but if you tried to copy it you would ... /> Icabod, you are welcome to a copy of the program I have ... the variables out and write to the screen the details of the ... -
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…
... like it, then copy the colours to a screen$, and repeat until ... I would export the screen$ to my code file using ... I laid in the screen$, so that I would ... attr definitions from a single screen$.
Here ... to extract the xx,yy,zz colours from the screen$ ...
