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The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... a fast byte copy (for copying a back buffer to the main ... /clear (for zeroing the back buffer to either 0 or some ... possible to do the byte copy at a speed of 13 ... back buffer with a static background (not the same as a copy ... -
Ways to use double buffering in basicI was meddling with woody's print stream code where you can print characters at any pixel location on screen. I was playing with 12 sprites, very ann…
... . The one and only double buffer technique you can use with ... fast m/c program to copy dfile #1 at $4000 into ... you still need a fast copy in step 4 which will ... buffering works well when that copy isn't needed -- ie when ... -
Ways to use double buffering in basicI was meddling with woody's print stream code where you can print characters at any pixel location on screen. I was playing with 12 sprites, very ann…
... already shown frame into a buffer?
We gotta find ... memory area, then copy that area into screen buffer.
I ... basic only draws selected screen buffer. That's why when I ... -
Ways to use double buffering in basicI was meddling with woody's print stream code where you can print characters at any pixel location on screen. I was playing with 12 sprites, very ann…
... already shown frame into a buffer?
We gotta find ... memory area, then copy that area into screen buffer.
[/QUOTE]
Ways to use double buffering in basicI was meddling with woody's print stream code where you can print characters at any pixel location on screen. I was playing with 12 sprites, very ann…
... ]
10 REM Ramdisk double buffer
20 LET port=23675 ... /> 8000 REM ************************
8010 REM COPY TO shadow screen
8020 ...Ways to use double buffering in basicI was meddling with woody's print stream code where you can print characters at any pixel location on screen. I was playing with 12 sprites, very ann…
[QUOTE=Arda]wow it works : )
I'll use that in my next crap game.[/QUOTE]
Try to do some better than this: ;-)
[code]
10 rem ***********************
20 rem * dbuf2.bas *
30 rem *A crap and ...Ways to use double buffering in basicI was meddling with woody's print stream code where you can print characters at any pixel location on screen. I was playing with 12 sprites, very ann…
... fast m/c program to copy dfile #1 at $4000 ... buffering works well when that copy isn't needed -- ie ... copy if your code "knew" it was updating the (offscreen) screen buffer ... /> [ROM] [ON-SCREEN-BUFFER] [CODE] [OFF-SCREEN-BUFFER]
Obviously, your ...Help understanding some z80 asmI'm trying to work out how to represent the structure of a "sprite" in the SAM as "Grabbed" by SmallC. I can see the assembler implementation but I …
... 1 8k sprite in that buffer at a time. So my ... two things:
1. Copy the sprite into that area ... bytes each, I'd first copy them all into that area ... to keep in that 8k buffer the backdrop tiles, and then ...Aggravating problem with screensI've rewritten my Sam C runtime emulator code ( well almost ) to allow me to use my own routines for blitting sprites onto the screen, storing tiles …
... memory, and say trying to copy from one screen to another ... little chunks via a small buffer as it tries to keep ...1982 speccy gaming pioneersThe games that helped get the Spectrum noticed are about to be 25 years old. Which is the best game from 1982? A list of the 30 with the highest rati…
How on earth did Tobor, one of the most crap games of all time, manage to score 5.33??? :o Buffer Micro of Streatham used to stock just one copy, so that if anyone came in asking for it, they could load it up and demonstrate how crap it was... :DBeautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... fast as possible. The back buffer was cleared with the stack ... display data. They kept a copy of the empty room, and ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... fast as possible. The back buffer was cleared with the stack ... display data. They kept a copy of the empty room, and ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... fast as possible. The back buffer was cleared with the stack ... display data. They kept a copy of the empty room, and ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... fast as possible. The back buffer was cleared with the stack ... display data. They kept a copy of the empty room, and ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... display data. They kept a copy of the empty room, and ... am using the attribute control buffer similar to Manic Miner (only ...SpeedloadersSince I read Lee Tonks' post about the speedloaded version of MM3 he did, I've been playing around with various speedload routines I found on TTFn & …
... with my own loader (a copy of the BASIC loader) located ... relocated it to the printer buffer. :-D
I did ...How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…
... graphics into a second buffer and then copy the results back to ... get the z80 to copy the second buffer's bytes to the ... back buffer where sprites are moving.
Since the byte copy ... are copied from a "back buffer". However tearing becomes much more ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... fast as possible. The back buffer was cleared with the stack ... display data. They kept a copy of the empty room, and ...What's the word . . .I'm struggling to find the english words for these things. Thinking maybe this would be the ideal place to ask: 1) something that you apply to a sol…
... the difference between a buffer and a cache?[/QUOTE]< ... when data goes into a buffer, it is read back ... ; for example, a keyboard buffer will queue up keypresses and ... cache will keep a copy of a webpage the ... it can just return that copy rather than going back ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... for printed bitmap (screen or buffer)
// f = uchar *(*f)(uchar ... write. Likewise in our memory buffer we can write one pixel ... row. This keeps the memory buffer contiguous. How do we handle ... /> First up we make a copy of the destination address for ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... br /> ////////////// Blit the stuff from buffer to screen ////////////////
////////////////////////////////////////////////////////////////////
... during assembly
copy c:\z88dk\lib\spec_crt0. ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... everry two frames. Split the buffer pixel shift in half, doing ... bottom 3 pixels in the buffer and copy the result to screen ... to do away with the buffer altogether and scroll the message ... the 260+ byte buffer required by the scroll buffer. The scroll operates ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... 1); // OR plot border into buffer
memopi(buff, gfx_exploitMask[p ... 3); // AND production mask into buffer
memopi(buff + 65, gfx_potentialMask ... straight copy wipes out anything that might already be in the buffer ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... library) memopi() to copy the 6-byte mountain ... the destination (72-byte buffer). In this case "mtn_rotateRight ... 3); // AND production mask into buffer
memopi(buff + 65, ... , 1); // OR production into buffer
memopi(buff + 65, ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... pointer to start of text buffer
}
[/code]
copy N bytes from a source ...Announce: BASin r14b availableHere's the fix mentioned earlier for those of you that either are too lazy to update your OS (XP SP2 has been out aaaaages, Arjun!) or even junk that…
... that atm but theres a buffer limit on the amount of ... /> No buffer limit - I can paste in an entire copy of Derby ...+3e ROMs v1.36 & ResiDOS v2.06 releasedI've released an update to the +3e ROMs, which are now at v1.36. The main change here is the removal of some old ATA drive detection code at reset, …
... . I'm now trying to copy some back to a 3 ... copying back correctly using the COPY command.
An example ... if I use the COPY command:[code]COPY "7c:custom.exe" TO ... was in the +3dos buffer prior to the copy, I guess).
+3e ROMs v1.36 & ResiDOS v2.06 releasedI've released an update to the +3e ROMs, which are now at v1.36. The main change here is the removal of some old ATA drive detection code at reset, …
... if I use the COPY command:[code]COPY "7c:custom.exe" TO ... was in the +3dos buffer prior to the copy, I guess).[/QUOTE ...'orange' on a spectrumalways wondered why spectrums could never seem to achieve the colour orange? wasn't one of the default colours, and don't remember seeing anything th…
... ;293373]Why do you [b]copy[/b] to the second screen ... in bank 7 and draw (copy) a screen to it, then ... LOAD SCREEN$ + a 2nd attribute buffer and load both screens with ...
