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z88dk : Support FunctionsJust a quick one here, I am looking to doing some dirty dirty code with C and load a screen$ file from the disk using "system( command )" - yes I …
... Load header i.e. discard to screen buffer
LD DE,17 ... LD IX,screenfile ; Load screen bytes to screen buffer
LD DE,$ ... -compress if required or LDIR to DFILE.
... P.S. if using zx7 to generate a variable length compressed ... -
off screen bufferwhen using an offscreen buffer is the memory copied to the screen in a way that makes it easier to draw sprites to the buffer? E.g. Lets say you…
... which will copy buffer to screen and take into account ... - just the same as Spectrum screen memory is organised
screen columns - 1st column from top to bottom, 2nd ... in buffer very easy way to calculate coordinates:
... -
off screen bufferwhen using an offscreen buffer is the memory copied to the screen in a way that makes it easier to draw sprites to the buffer? E.g. Lets say you…
... /> LDI background from buffer to screen to delete
OR the ... back to left
call nextlinedown ;DE down one screen ... : ;move DE down one screen line
inc d< ... spriteOR:
...directly onto the screen and quickly...
... -
Is reverse engineering software now illegal?I just remembered (in conversation with someone earlier) that I read some time back that the Digital Millennium Copyright Act made it illegal to reve…
... plagiarism.. harry price comes to mind straight away.. many ... freescape was mentioned with regard to the earlier "i , ... things like addresses relating to screen etc. I remember watching ...
gyroscope.. they had to officially license marble madness
ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …
... , and allow this thread to continue to be "mainly" ZX-Uno ... test use to provide keyboard ,USB facilities , screen and hopefully ... non specialized way with access to screen ,sound , keyboard and power ... the screen and the game controller. So it seems to be ...Loadsa bullets on screen (silkworm)Did games like silkworm just draw everything to the screen or did they have complicated optimisations? and the types of games where sprites can occu…
... silkworm just draw everything to the screen or did they have ... br /> Sikworm draws everything to buffer in this order: ... to screen buffer.
When everything is drawn, LDI copy moves screen buffer to screen ... is redrawed directly in screen, it is not part ...Need help from people with real 128/black +2 and grey +2A/+2B/+3.Please, if you have time and inspiration, run [url="https://www.worldofspectrum.org/forums/discussion/55518/test-of-screen-switching-timings"]this t…
... test makes short switch from screen 0 to screen 1 and back, with ... like most of machines allow screen switching occurs between pixels and ...im looking for a double size, height and width character programi want to be able to stretch and scale up udg's
... de,$4000 ;load DE with screen address
ld a," ... hl ;bitmap addr into DE, screen addr into HL
< ... ld bc,32 ;add 32 to screen addr
add hl,bc ... (hl),a ;put it on screen
inc h
...
;(it's safe to only increment E)
; ...im looking for a double size, height and width character programi want to be able to stretch and scale up udg's
... de,$4000 ;load DE with screen address
ld a," ... hl ;bitmap addr into DE, screen addr into HL
< ... ld bc,32 ;add 32 to screen addr
add hl,bc ... (hl),a ;put it on screen
inc h
...
;(it's safe to only increment E)
; ...Cubic RevealI just though I'd develop this a little further. Written a while ago on a whim! [img]https://dl.dropbox.com/s/p44y5dda49ucmop/square_reveal_1_1.gi…
... br /> or 87h ;point to stored screen address
ld d ... /> res 7,d ;point DE to screen
ld (de ... ld e,l ;point DE to screen equivalent ATTRs address
ldi ...Cubic RevealI just though I'd develop this a little further. Written a while ago on a whim! [img]https://dl.dropbox.com/s/p44y5dda49ucmop/square_reveal_1_1.gi…
... br /> or 87h ;point to stored screen address
ld d ... /> res 7,d ;point DE to screen
ld (de ... ld e,l ;point DE to screen equivalent ATTRs address
ldi ...Cubic RevealI just though I'd develop this a little further. Written a while ago on a whim! [img]https://dl.dropbox.com/s/p44y5dda49ucmop/square_reveal_1_1.gi…
... the Calculate Attr to screen address part from 10 to 8 bytes thus ...Cubic RevealI just though I'd develop this a little further. Written a while ago on a whim! [img]https://dl.dropbox.com/s/p44y5dda49ucmop/square_reveal_1_1.gi…
... not 0-7 then skip to next
push hl ... a map of which lines to mask or ignore
... /> res 7,d ;point DE to screen
ld (de),a ... 7,d ;point DE back to stored scr
nlu:
Cubic RevealI just though I'd develop this a little further. Written a while ago on a whim! [img]https://dl.dropbox.com/s/p44y5dda49ucmop/square_reveal_1_1.gi…
... table
;fade in the screen display file
;
; ... not 0-7 then skip to next
push ... a map of which lines to mask or ignore
... /> res 7,d ;point DE to screen
ld (de), ...Cubic RevealI just though I'd develop this a little further. Written a while ago on a whim! [img]https://dl.dropbox.com/s/p44y5dda49ucmop/square_reveal_1_1.gi…
Cubic RevealI just though I'd develop this a little further. Written a while ago on a whim! [img]https://dl.dropbox.com/s/p44y5dda49ucmop/square_reveal_1_1.gi…
... table
;fade in the screen display file
;
... - 48960 just below the stored screen
;stored picture must ... a map of which lines to mask or ignore
... /> res 7,d ;point DE to screen
ld (de ...Cubic RevealI just though I'd develop this a little further. Written a while ago on a whim! [img]https://dl.dropbox.com/s/p44y5dda49ucmop/square_reveal_1_1.gi…
... not 0-7 then skip to next
push hl ... a map of which lines to mask or ignore
call ... of D if it needs to INC
ld a,e ... /> res 7,d ;point DE to screen
ld (de),a ...Cubic RevealI just though I'd develop this a little further. Written a while ago on a whim! [img]https://dl.dropbox.com/s/p44y5dda49ucmop/square_reveal_1_1.gi…
... at a loss as to how to improve upon it, though ... table
;fade in the screen display file
;
... - 48960 just below the stored screen
;stored picture must ... /> res 7,d ;point DE to screen
ld (de ...why cant i do this in a dimensional array?let m$(20)=m$(20)+"hello" it wont add it to the string/array m$(20)
... char so when you get to a CHR$ 16 there ... />
Try PRINT CHR$ 16 to duplicate the error message.
TO yd+yw-1: LET t ... $ = t$ + m$(r,xd TO (xd+xw-1)): NEXT r ... numerical array and POKE directly to screen memory.
Regards,< ...Proportional-width fontsFor reasons that are still not quite clear to me (because I’ve always loved typography and design,) I never bothered to write a proportional-font rou…
I understand.
I made my own 4x5 font and routine for writing to screen as well. Part of it used in my Tritone Demo in my sig.Proportional-width fontsFor reasons that are still not quite clear to me (because I’ve always loved typography and design,) I never bothered to write a proportional-font rou…
[quote="FrankT;931359"]
I made my own 4x5 font and routine for writing to screen as well. Part of it used in my Tritone Demo in my sig.[/quote]
Hey, that’s neat! Loved the music. The percussive tones in Tritone are very nice.Proportional-width fontsFor reasons that are still not quite clear to me (because I’ve always loved typography and design,) I never bothered to write a proportional-font rou…
Do you write direct to screen memory? Would it be quicker to write to a linear part of memory and then copy to the screen? No idea, just thinking out loud.
PaddyForumsWe are aware that the forums have suffered with the CPU fix a few weeks ago. Fortunately, we were already working on new forums that will address the…
... to get to screen that lists them. The list being able to be set to ... .
[*]A specific page/screen to manage saved draft posts.
to a thread. The current forum ... a touch screen, it's far too easy to accidentally activate ...ForumsWe are aware that the forums have suffered with the CPU fix a few weeks ago. Fortunately, we were already working on new forums that will address the…
... to get to screen that lists them. The list being able to be set to ... .
[*]A specific page/screen to manage saved draft posts.
to a thread. The current forum ... a touch screen, it's far too easy to accidentally activate ...Loading Images/Screens mid-gameHi all, Looking to get back into a bit of coding and I couldn't figure out a way to do the following: I have an image/SCREEN that I'd like to b…
... copy pixel row from a$() to screen
99 NEXT r:
REM initialise FN s$() to hold screen data
1991 GO ... $: REM copy pixel row from screen to a$()
2016 NEXT r ...whats the easiest way to store a screen and then display it?so it can be called by a randomize usr, etc?
That's what I would do too, a quick LDIR to copy it to screen memory. :)Fast Binary to Text DisplayI've done this thing that takes some memory contents and converts it to a Binary version of 0's and 1's on screen. However, I've no idea what to use …
... CPL'd Binary text
;to screen.
;
;48 ... from where to get data
ld de,4200h ;SCReen
screen
djnz sml_lp ... ve crossed into a new SCReen 1/3rd
printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…
You can POKE directly to screen RAM, but you ... POKE to the attributes area of screen RAM (to set ... screen data. It is not likely to be what you expect...
To ... see what I mean, either load a loading screen, ... code]10 FOR a=16384 TO 22527
20 POKE ...printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…
... problem easily by reading the screen byte, ORing it with the ... ), a ; write UDG pixel byte to screen
[/code]
Instead ... /> ld b, (de) ; read existing screen pixel byte
or b ... /> ld (de), a ; write new screen byte back
[/code]SpecIde: Interlaced modes.Hi! Try this: SpecIde --plus2 --flashtap --fullscreen --average mescaline_zx_128_plus2.tap (Source code and binaries in https://github.com/Mart…
... I get a better fit to screen, a full-colour stable image ... binaries, so if you want to give it a try...
