... ) 2 in the buffer.
#
#Copy from buffer y-position in ( ... /> self.sourceXPos = self.inputValue('Copy from buffer x-position in (integer) characters ... /> self.sourceYPos = self.inputValue('Copy from buffer y-position in (integer) pixels ...

... of the screen where you copy your buffer to,
it is ... wide

if the buffer was copied to the screen ... to draw sprites to the buffer, and then have them appear ... on buffer (or just clear it)
draw sprites on buffer
copy buffer ...

hm, not a copy routine from CHASE ... ]
start ld hl, buffer alligned on 256
exx ... in back buffer



;FIRST TIME START ... 8 HL down in back buffer
; L=16+ ... ;11 next line in back buffer


< ...

... byte per character in your buffer screen.

This way ... to move or redraw your buffer as it's less data ... then translate the buffer into real graphics as you copy it all ... able to redraw the entire buffer each time from a map, rather ...

... the next screen into a buffer at, say, address 49152. ... the m/c routine should copy the buffer to the screen display ... file one character row at a time ... two frames to complete the buffer copy (around 140k cycles), very achievable ...

... to the speaker from a buffer whilst doing something else, ... each line of a screen copy. Then, the sound is ... for however long the screen copy takes, which may well ... effects.

The buffer can be different spacings of ... than re-fill the buffer each time.

... />
Sorry I have no time to finish the demo and ... demo is doing the screen buffer copy between the eight frames (using ... vertical scroll are used at time).

... />
Sorry I have no time to finish the demo and ... demo is doing the screen buffer copy between the eight frames (using ... vertical scroll are used at time).[/QUOTE]

impressive :grin ...

... your input. When I have time I might play around with ... array idea only needs to copy 5 bytes when deleting an ... you avoid the 5-byte copy when deleting items, which is ... if you wrap the circular buffer each time you look at an ...

... draw ORing/ANDing sprites on buffer screen,
draw ... a 3 byte buffer

copy the 3 tile ... player to a tile buffer,
copy ORing/ANDing the ... tiles
copy the tile buffer numbers to the ... Good luck and enjoy your time coding your new game, ...

... draw ORing/ANDing sprites on buffer screen,
draw ... a 3 byte buffer

copy the 3 tile ... player to a tile buffer,
copy ORing/ANDing the ... tiles
copy the tile buffer numbers to the ... Good luck and enjoy your time coding your new game, ...

... from doing the copy during the top border time.[/quote]
I ... 50hz in any case - this buffer copy, buffer clear, plus actual rendering (maybe ... run out of screen draw time, but.. we'll see if ...

... that there isn't enough time in a single frame to ... importantly, as long as your buffer copy is linear, this 'crossing the ... that more than one frame time is being used (finishing late ...

...
2. Screen update starts (buffer copy). This is typically slower than ... /> 4. Presumably by this time your buffer copy output position is way below ... will take the beam some time to catch up with you ... . This is where the extra time comes from so to speak

... />
1. During border time, both contended and regular pages ... T states (roughly the time it takes from the beginning ... A counter-example might be buffer copy routines (floating execution window due ... , typically take a lot of time).

2. What ...

... ,
I use a double buffer (the dummy screen is at ... ) and the stack method to copy the dummy screen to the ... than any other but the copy of the entire screen takes ... during the screen refresh the buffer copy should or shouldn't occur ...

... start address higher in the buffer each time to give scrolling effect ... reach the top of the buffer. At which point we need ... for drawing it, when the buffer draw reaches the bottom it ... top. Yellow border is the time taken to ldi the background ...

... the start point in the buffer each time. Although I can lengthen ... have a loop anywhere occupying time that is otherwise needed for ...

... minimum by allocating a larger buffer (and with some smart asm ... to the start of the buffer each time if you know that ...

... in the buffer to draw all the sprites. Then, copy a small ... all the sprites. Now copy the buffer to the screen. And now ... putting them back in the buffer. The buffer is clean again, so ... be quicker than an extra buffer copy. You could make it more ...

... four scanlines off the total copy time. I calculate without contention it ... PUSHes occur in side-border time, then it's not really ...

... ="RMartins;863852"]Example 1: Delay copy start, so that PAL beam ... is on front of copy location, since it is faster ... importantly, as long as your buffer copy is linear, this 'crossing the ...

... from the previous frame'? Dirty buffer for redrawing the tiles, ... using the same buffer, to avoid any copy within the buffer itself.[/quote ... than a straight LDI copy from buffer, due to the extra ... to that used in the buffer copy routines can be implemented, and ...

I encountered this issue too so I copied the music data to a temporary buffer via LDIR and played the music in the buffer each time.

Regards,
Derek.

... screen buffer where I could draw my graphics as much time as ... needed and then when it's ready I would copy ... just copying static image from buffer to screen after HALT.

... is related to "quick RAM copy using LET in Basic" ([url ... *20) DIM variable for "video buffer".
- A zone of RAM ... /make my v$ string "video buffer" for paint whole level screen ... )=chr$(byte)... but takes same time...:confused:


Any ...

... it doesn't work! Every time I load it up using ... where I can get a copy that works or can anybody ... please email me a copy? I'd REALLY love to ...

... image (otherwise some tape-disk copy progs could not work properly ... which could occur when using Time 2 seconds back on some ... games (with GFX Screen XOR buffer turned on, actually seems not ...

... was outbid on a copy of Buffer Adventure by someone whose user ...