Ah, I see how your copy routine works.
So ... RAM to run first, then return to Bank 0 to finish ... does need the regular ROM to be present. It checks ... timing. I guess the copy routine to load it from ROM ... be copied to the BASIC area, and the screen and game ...

... , I see how your copy routine works.
So ... . I guess the copy routine to load it from ROM ... be copied to the BASIC area, and the screen and ... beginning of your code to switch back to internal rom.
... game (with the loading screen present if possible) and ...

... did the following
The screen is in slot 0, so ... start changing to those slots and copy everything to RAM but the screen, because ... . I'll send you a copy of the loader anyway so ...

... you have the memory copy assembly snippet, because the ... memory copy is what's taking ... the buffer to screen, then draws one sprite to the next ... buffer and copies it to the screen, etc, until it ... this is also an answer to the question "how do ...

A beginner needs to be made aware of the ... />
You should probably copy SP to memory first, then retrieve it ... stack (i.e. into the screen memory) that you don't ...

... />
You should probably copy SP to memory first, then retrieve it ... br />
An interrupt pushing to screen RAM should not be an ... an interrupt to write below the display or to a screen area that ... won't write below the screen
push de
...

... /> - copy content of 16384 to 16385
- copy content of 16385 to 16386
- copy ... content of 16386 to ... D register as value copied to screen because I need A register ...

... , I simply choose Sinclair to start playing immediately, although ... anyone that got used to QWERT controls from playing ... typically executed while last screen rows are being rendered.< ... with programs that copy images from buffer to screen inside interrupts (for ...

... , I simply choose Sinclair to start playing immediately, although I ... are active on the title screen. If however the game ... typically executed while last screen rows are being rendered.< ... with programs that copy images from buffer to screen inside interrupts (for ...

Thinking of something like [i]Hysteria[/i], is it quicker to pixel-scroll a chunk of scenery in-place, then copy it to the screen (I guess with PUSH/POP), or can it be done faster by copying it as you step through to scroll it?

... a back buffer and copy it to the screen. Attributes only though ... buffered attributes are copied to the screen again without scrolling ... 63033[/b] to clear the buffered screen completely to attribute 0 ... 21, just like when PRINTing to the screen.

...

... channel = white RCA = SAVE tone to MIC
Ring = audio in ... , then it reverted to white and the picture on screen distorted slightly (it ... if there was a ghost picture of the ZX81 pilot tone ... while back - the lead was to connect the stereo sound output ...

... the Russians would appeciate a copy too) ;)

[2 ... that data to screen?...

The ability to Import/Export ... the user the ability to design their graphics using ... applications they are already used to using... Nevertheless, SOME drawing ...

... /> ;;
;; copy L(b) bytes from one part of the screen to another ...
_ulzfa040:
call _ulzfa050 ; 17t - copy hl ... /> buffer_ss=buffer+_START; // move screen check start to start of buffer attr ...

... start memory position (bytes from screen memory start) I then just ... add 16384 to get the actual Spectrum screen memory. I ... br />
1) Wanted the picture to form complete, not pixels then ... is noticeable on the screen. In addition to the char by char ...

... sp1 will overwrite anything drawn to the screen directly.
[/quote]< ... it's using to represent portions of the screen it's ... background tiles directly instead of to screen. You can draw into a ... or have fzx print to screen and copy that to a buffer which is ...

... music in pt3 format. I copy music to AGDMusicizer. The file is ... there. I get such a picture. [img]http://screenshot.ru/upload ... ]
Maybe something else needs to be done?

Sorry ...

... scenic buffer 1/3 screen high and copy it to the display, just ... frame. Then they switch to a routine that generates the ... buffer. It redraws the screen every time from pre-shifted ... used these techniques myself to redraw the entire screen from simple blocks ...

... silkworm just draw everything to the screen or did they have ... preshifted. Instead copy of sprite is put to shift buffer, ... everything is drawn, LDI copy moves screen buffer to screen. The scrolling belt ... ground is redrawed directly in screen, it is not part ...

... ' that you're going to copy back to the screen. To make it easier on ... be a whole screen size, but you need to track that inner ... sprites. Then you copy the inner rectangle to the screen. Any complex overlapping ...

... table
;fade in the screen display file
;
... moved elsewhere
;stored picture must reside at 0c000h - 49152 ... not 0-7 then skip to next

... /> res 7,d ;point DE to screen

ld (de ...

... at a loss as to how to improve upon it, though ... table
;fade in the screen display file
;
... below the stored screen
;stored picture must reside at ... /> res 7,d ;point DE to screen

ld (de ...

... by resorting to calling single MC commands to copy and move screen memory ... around. If you understand the screen ... , that you might want to take a look at SpecBAS ... if you want to create playable arcade games ...

... by resorting to calling single MC commands to copy and move screen memory ... around. If you understand the screen ... , that you might want to take a look at SpecBAS ... if you want to create playable arcade games ...

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.

Paddy

... ,p+1): REM copy pixel row from a$() to screen
99 NEXT ... REM a$() holds copy of ro*co rectangle on screen
105 ...
REM initialise FN s$() to hold screen data
1991 GO ... ,p+1)=s$: REM copy pixel row from screen to a$()
2016 ...

... mod unfortunately. I decided to connect the luma and ... s-video cable hardwired to the Spectrum. One day ... transistor and it appeared to be fine and also ... chroma circuitry can lead to this problem? If luma ... least have a picture on screen. I decided to redo the ...

... br />
To scroll something really quickly left ... -shifted and aligned to individual pixel positions ... Then you copy the relevant one to the screen. Once it ... 's moved by 8 whole pixels you can copy ... it to the next character ...

... ix) = aS -> copy to local variable
; - ...
; calculate pointer to screen, yofs from table
... (ix)
; copy of the string start pointer ... /> ; "or" the pixels to screen
ld a,(hl)

... /> I'm not showing that picture to my 8 year old. He ... stuff (he's a carbon copy).