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Compressing SCREEN$Guys I'm trying to find an MC type-in routine for the 48K which compressed the screen (including attributes) into an area of memory and also restored…
... the 48K which compressed the screen (including attributes) into an area ... restored said compression back to screen area. Any ideas? I want ... -
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 ... -
Help needed to speed up functionCan anyone help me to re-factor this code snippet. The "MAP" section holds information about which tiles go where on the screen (handled by another f…
... go where on the screen (handled by another ... A,(DE)
NOTDIRTILE PUSH HL
LD (HL ... LD (HL),A
PUSH AF
LD A ... /> DJNZ LOOP2
PUSH DE
LD DE ... -
Anyone help re-factoring a tile functionI had some excellent feedback for re-factoring my function that displays the colour for my screen tiles. Can anyone offer some help to improve the fu…
... displays the colour for my screen tiles. Can anyone offer some ... tiles ? As before when a screen is needed it is expanded ... B,16
PRTTILELOOPX PUSH BC
PUSH DE
LD A ... -
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?
... -
Name of a game?Can anybody name this one for me, I had a sudden flashback of playing it as I was dozing off last night? The game took place on a single screen with…
... took place on a single screen with platforms. Your character ... />
And on each screen, there were 3 boxes - I ... on each screen - and the object was to push all 3 ... at the bottom of the screen - once you had all ... you went to the next screen.
The only other ... -
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 ... -
How many T-states takes PUSH DE ?Hi. Just a quick one. According to z80.info docs, a PUSH DE should take 11 T-States to be executed. But WHAT if SP is pointing to Contended Memory,…
... to z80.info docs, a PUSH DE should take 11 T ... -
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 ??) -
Programming MC : first stepsIsn't nice to collect all kinds of short routines to help making the first steps into MC for everyone who never touched MC? What I mean is mostly th…
... to print a score on screen
A simple Randomgenerator (not ...
random push hl ; save registers
push bc ; save registers ... -
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 ... -
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 ...
