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Help required to calculate screen addressesDoes anyone have some code that calculates the screen address one pixel below the given address ? Is it best to use a lookup table ? Any examples of …
Does anyone have some code that calculates the screen address one pixel below the given address ? Is it best to use a lookup table ? Any examples of this. -
Screen AttributesNot sure if this is a devolopment question but here goes... In my limited understanding, the 'attribute file' of a speccy is 5800h to 5AFFh and each…
... each character position on the screen. With bits 0 to 2 ... -
Spectrum loading screen on Ch4?Hi all, this evening I caught a glimpse of a Spectrum loading screen on Channel 4! Just a brief flash, with the borders and some big writing in the m…
... glimpse of a Spectrum loading screen on Channel 4! Just a ... -
Spin 505 error - SOLVEDI am having giant problems with v. 505 on my XP. I run it and all seems fine, then load up a game and it pops up with "Can't find 48.rom, but you ca…
... just stays frozen, like the screen has black and slight red ... the ROMs are in the folder so I am just wondering ... -
128k Shadow Screen?When emulating the shadow screen in bank 7 should that bank be switched into address C000? If so, what happens if bank 7 is switched out without canc…
When emulating the shadow screen in bank 7 should that bank be switched into address C000? If so, what happens if bank 7 is switched out without cancelling the shadow? -
More than 256 colours in full screen Spectaculator?When Spectaculator starts up in full screen and you go to load a game the windows menus are a terrible colour and look garish. I guess thats becaus…
... Spectaculator starts up in full screen and you go to load ... -
Invisible loading screenI can't remember how this is done (I did it years ago but can't remember how). When loading a screen$ from basic you can see the lines being display…
... ).
When loading a screen$ from basic you can see ... />
you can set the screen black so the lines are ... -
Best loading screen.What's the best loading screen in your opinion? I really liked the one on Rescue from Atlantis (maybe minus the text) [url="http://www.worldofspec…
What's the best loading screen in your opinion?
... -
Map to screen address problemCan anyone help me out with what I guess is a screen address calculation problem. I need to calculate the screen address of a tile based on a number…
... what I guess is a screen address calculation problem.
I need to calculate the screen address of a tile based ... to calculate for the other screen thirds.
Could someone ... -
Fastest way to write something to screen$Hi, I just got pasmo.exe and start playing with attr scrolling, well, not scrolling, just write different values to a block and see if I can introdu…
... fastest way to update the screen. I know that ldir/lddr ... -
Sinclair flat screen pocket TV problemCan anyone give me some advise regarding a picture problem on a Sinclair flat screen pocket TV The picture has a black curvy band at the top and bot…
... problem on a Sinclair flat screen pocket TV
The ... top and bottom of the screen
Here is a ... is not moving across the screen
channel 4 is ... -
Changing the colour of the screenCan anyone tell me the ROM command to change the paper colour of the main screen ?
Can anyone tell me the ROM command to change the paper colour of the main screen ? -
Screen distortion problems, I can't fix it!I just managed to get myself a ZX Spectrum +2 from the local car boot sale but for some reason theres a distortion halfway down the screen when i pla…
... a distortion halfway down the screen when i play games.
screen the screen goes out of wack ... -
screen$ and ramdisk 128kDoes anyone know how to load a screen$ from tape and then save it to ramdisk, without the screen$ showing during the load from tape?
Does anyone know how to load a screen$ from tape and then save it to ramdisk, without the screen$ showing during the load from tape? -
Screen damaged while loadingI've written a simple Spectrum game and did a loading screen for it and now i'm trying to put it together into tzx file. My Basic loader is really s…
... game and did a loading screen for it and now i ... simple:
1 Load'' Screen$
2 load '' Code
My problem is that after screen is loaded,
Spectrum starts ...
"Bytes:code" statement into screen, just into hero's face ... -
128k Speccy ScreenAm I right in thinking that you can draw to one, while displaying the other (therefore eliminating the need for timing when you dump the screen and d…
Am I right in thinking that you can draw to one, while displaying the other (therefore eliminating the need for timing when you dump the screen and draw the sprites etc... a-la 48k ??) -
screen$I'm wanting to create a game which is written mostly is Basic, due to lack of MC skills but i need a MC routine if someone would kindly supply it I…
... these in memory
eg screen 1 at address 23296 to ... 30208
screen 2 at address 30209 to ... used to mess up the screen if you were pressing a ... -
SAVE the complete screen in BASICHow can I save the COMPLETE screen (with the last two lines) in BASIC? If I type SAVE "XXXX" SCREEN$, then comes the message "Start tape, ..." and th…
How 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 the last two lines are destroyed! -
Hidden piccy in Cylu loading screen.I was looking at the eggs at [url="http://www.cl4.org/comp/spectrum/eggs/#"]http://www.cl4.org/comp/spectrum/eggs/#[/url] and I was wondering about …
... wondering about the Cylu loading screen ... the little doohickies* on the ... -
The ULA and ScreenI've asked something similar before but please bear with me. I'm trying to understand the way the screen is controlled. The ULA controls output to …
... to understand the way the screen is controlled.
The ... controls output to the the screen and the rom sets out ... the memory locations of the screen ( and attributes ). is this correct ... -
Return of Speccy screen buffer formatI recently discovered that the Spectrum screen buffer format that allows only two colours in an 8x8 pixel block has made its return in a slightly dif…
... recently discovered that the Spectrum screen buffer format that allows only ... -
Optimisation Needed! Is this the Fastest way to copy bytes from screen and back again?I have the screen address (say 0,0 i.e 16384) I want to copy 4 bytes wide by 32 bytes high from the screen to an area of memory. I then want to cop…
... (4433 TStates to copy from screen to store)
screen
Can ...
; Clear the screen to show we are bringing ... ; Copy from store to the screen
ld hl ... -
Convert Screen to TAPHow do I take the screen display and save it as a tap (I am basically trying to create 3 taps, one for the basic loader, one for the screen, and one …
How do I take the screen display and save it as a tap (I am basically trying to create 3 taps, one for the basic loader, one for the screen, and one for memory and then copy them all together into one tap file)
Many thanks -
Worst loading screenAlmost every Spectrum game has a loading screen. Some of them are good, some are not. So, which one is the worst loading screen ever?
Almost every Spectrum game has a loading screen. Some of them are good, some are not. So, which one is the worst loading screen ever? -
Name that screen shotJust picked up a half price copy of Gamestm's Retro compilation magazine and was wondering is someone could indentify the spectrum screen shot on pag…
Just picked up a half price copy of Gamestm's Retro compilation magazine and was wondering is someone could indentify the spectrum screen shot on page 18 column 2 row 1 -
Screen DisolveHas anyone got any good assembly code to dissolve the screen I could see
Has anyone got any good assembly code to dissolve the screen I could see -
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…
... that I can display one screen, draw to the other and ... -
Screen effects in MCAs I see there is still interest for MC programming on Speccy. So, I made little presentation of screen or slideshow effects with source files, demon…
... , I made little presentation of screen or slideshow effects with source ... -
Loading screen made of Hama beadsOK, so not your usual approach to preservation, but I thought people might be interested in my attempt to render a Spectrum loading screen using Hama…
Getting attribute location from a screen coordinates (x,y)I am having trouble figuring out how to convert an x,y coordinate pair (pointing to a specific pixel) to the location of the attribute for the block …
... attributes but was in the screen.
Does anyone know ... that once I understand the screen layout better then I will ... hopefully help me understand the screen layout better.
