First you need to copy the character set from ... you need to change a system variable to point to your character ... The Spectrum has a bitmapped screen (i.e. a grid of ... a character-mapped screen, meaning that the screen is just a ... change what appears on screen.

... is what I'd like to see from a book about ... was a kid I used to copy all in game graphics into ... /> Rather than just using the screen shots of a game which ...

... where the columns went enough to guess?

I suspect ... into bad feeling, nobody hates copy protection more than customers who ... it further away from the screen. But then, if you had ... .

Not being able to copy it would have caused grumbling ...

... [code]CALL 40000 ; call screen pic, this is the code ... that draws the screen. Twas compressed with ... LD HL, 30050 ; setup to copy the few loader code bytes ... 20 ; to a part of the screen that's invisible ... LDIR ; and use LDIR to copy it. This is just copying ...

... forget about the shadow screen", you're throwing away ... you have to do all your screen writes at ... 8000 and you have to copy data from the other ... screen. And you still have to find time to copy the data to the shadow screen ... make it very difficult to do much more ...

... crash out during the loading screen.

Was always fixed ... I ever failed to copy by direct copy in a tape-to-tape deck

... guess it all comes down to what you enjoy about coding ... . Endlessly refactoring code to shave off a few T ... fun, but solving problems like bank switching... that I like. :)

... guess it all comes down to what you enjoy about coding ... . Endlessly refactoring code to shave off a few T ... bank switching... that I like. :)[/QUOTE]

The trick with bank switching is to ...

... wrong.
To do sprites with the shadow screen you:
... For a static screen you copy the background to the screen you're not ... then switch the currently displayed screen and repeat. Undrawing optional. ... the background and sprites to the screen you're not ...

... accessible because of the need to interface to a DRAM type address ... br />
SO when used to replace 4164 DRAM chips, this ... /> Yes, it should be possible to replace 4532 chips as well ... you designed it to fully replicate the bank switching of the 128k ...

... as they are quite possible to stick text on. :)

to copy 16484 etc to say 30000, then save ... the emulator just grab the screen and then similar.

... self.inputValue('Enter hex address to store the stack pointer', ... want to copy? If you dont copy the whole buffer to the screen ... to output the code to the terminal, can it be changed to output to ... instead? Its quite inconveinient to highlight hundreds of lines ...

... you want to copy? If you dont copy the whole buffer to the screen it ... it dead easy to bring them onto the screen gradually rather than ... /> [code]
#Class to implement printBehaviour by printing to screen
class ScreenPrintBehaviour ...

... copying a line of data to the screen will be much slower ... as you need to add 8 each ... matter if you could just copy whole character rows instead...
to copy individual lines and that couldn ...

... matter if you could just copy whole character rows instead...
to copy individual lines and that couldn ... quicker for calculating the Y screen address ( I think 6 instructions ... shorter )but you still need to redo it every 8 pixels ...

... quicker for calculating the Y screen address ( I think 6 ... a table for screen row addresses so both screen types would ... only matters if you want to copy individual pixel rows, or move ... have a character-arranged screen, and you wanted to scroll it horizontally ...

Slenkar - an empty copy of the room is stored ... a buffer. That's copied to a working buffer with LDIR ... that working buffer is copied to the screen with another LDIR. There ... when you're too close to a nasty. And it's ... takes four 50Hz video frames to refresh.

... =joefish;791576]Slenkar - an empty copy of the room is stored ... a buffer. That's copied to a working buffer with LDIR ... that working buffer is copied to the screen with another LDIR. There ... takes four 50Hz video frames to refresh.[/QUOTE]

thanks ...

... to clear the buffer, or redraw the background into it, or copy ... objects on it. Then you copy it to the screen.

Better solution is not to copy entire buffer to screen, only the parts that changed from previous frame. Just use a table which determine which charecter cells were changed.
Drawback: on scrolling if less than 8 pixels this will not work very good.

... buffer is not yet transferred to the screen, you may either ..
to produce a copy of the buffered image on the screen.
Then you may move the image again to another ... best if you want to generate only one copy.

...

... LDI (both unrolled) to move it to the screen takes over 2 frames ... of that and you start to get into slow territory.[/QUOTE ... . Check R-Type or Orion to se dirty scroll buffer in ... , 4 scroll buffers reduce scrolling to copy so you probably can run ...

... in the buffer to draw all the sprites. Then, copy a small ... rectangle out from each point to a temporary ... all the sprites. Now copy the buffer to the screen. And now erase ... is going to be quicker than an extra buffer copy. You could ...

... to select a few characters at the top left corner of screen ... , but I wasn't able to select entire ... something. Also sometimes I need to select half-characters (intervals ... /> However I wasn't able to copy it to another character position, since ...

... to select a few characters at the top left corner of screen ... , but I wasn't able to select entire ... something. Also sometimes I need to select half-characters (intervals ... /> However I wasn't able to copy it to another character position, since ...

... , it's not possible to use PRINT AT on the ... AT 23,... causes a black-screen crash. If text wraps ... it's OK but trying to PRINT AT a specific ... . If RND is going to be used anywhere then a ... data to copy
ld c,(ix+0) ;C =cols =bytes to copy per ...

... on buffer screen,
draw the final buffer screen to main screen
... the player to a 3 byte buffer

copy the 3 ... for each player to a tile buffer,
copy ORing/ANDing the ... those tiles
copy the tile buffer numbers to the map data ...

... on buffer screen,
draw the final buffer screen to main screen
... the player to a 3 byte buffer

copy the 3 ... for each player to a tile buffer,
copy ORing/ANDing the ... those tiles
copy the tile buffer numbers to the map data ...

... model is considered the best to use,most compatible etc?[/QUOTE ... depends exactly what you want to use it for, and whether ... it (and if you want to).

Both have ... (incorrect) manual with regards to the RAM bank switching.

Lots more ...

... bits within each character to describe the corners where ... are to be filled. Then it ... be a simple job to read each byte and ... of corners, and copy all eight lines to the screen. Indeed, as ... , you could assign them to UDG characters, and have ...