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Skool Daze disassemblyWhile developing [url="http://pyskool.wordpress.com/"]Pyskool[/url], I've also been putting together a disassembly of Skool Daze and Back to Skool, m…
... RAM. Even the UDG/screen back buffer is in contended RAM ($7F00 ... -
Skool Daze disassemblyWhile developing [url="http://pyskool.wordpress.com/"]Pyskool[/url], I've also been putting together a disassembly of Skool Daze and Back to Skool, m…
... of the address.[/quote]
Back to Skool is like that ... RAM. Even the UDG/screen back buffer is in contended RAM ($7F00 ... -
Your views on...Deathchase[url=http://www.worldofspectrum.org/infoseekid.cgi?id=0001303]Deathchase[/url] I always thought this was called 3D Deathchase for some reason. Only …
... 's no space for a back buffer). A really tight squeeze into ... -
Framerate of Spectrum gamesI was reading a bit about framerates in modern games and it got me wondering about the Speccy. First off I'd hoped to find what framerate my old gam…
... sprites being drawn to the back buffer too, to avoid flicker.
back buffer is used, 30(?) by 8 ... an occasional edge update. The buffer draw (straight line code) to ... /> There isn't a background buffer for Firefly or Cobra - just ... -
Question on copying screen bufferHi, Al my prevoius games were copying graphics directly to screen memory starting at 16384. Now I'm experimenting with screen buffer where I could d…
...
1) Draw graphics to back buffer. I keep a 96 byte ... need updating (copying from back buffer to front buffer).
That ... Instead of putting cells from back buffer to screen I use a ... />
6) Old present back buffer routine now just fills the ... -
The Making Of Manic Miner"Matthew Smith talks us through every level of his classic platformer Sat at the very desk where it was written, Matthew Smith watches Miner Willy l…
... ...
A000: Back buffer
B800: Back attribute buffer, has attributes for bottom ... -
Character scrollingOk, first I'd like to say that I'm not looking for a complete routine (but that might help) because I am hoping to write it myself and learn a bit mo…
I'd use a back buffer and blit to the screen ... 've drawn to the back buffer, treat the back buffer as one large sprite ... done in the non-contended back buffer, only hitting contended memory when ... not to use a true back buffer, but a stack of 'tiles ... -
Character scrollingOk, first I'd like to say that I'm not looking for a complete routine (but that might help) because I am hoping to write it myself and learn a bit mo…
... br />
Oh, arrange the back buffer as a straight forward grid ... to the screen than your back buffer. Once the virtual port you ... reaches the edge of your back buffer, you need to move ... (port) inside a larger box (back buffer) that contains a stick picture ... -
Character scrollingOk, first I'd like to say that I'm not looking for a complete routine (but that might help) because I am hoping to write it myself and learn a bit mo…
... =csmith;424728]Oh, arrange the back buffer as a straight forward grid ... -
Character scrollingOk, first I'd like to say that I'm not looking for a complete routine (but that might help) because I am hoping to write it myself and learn a bit mo…
... (port) inside a larger box (back buffer) that contains a stick picture ... of the larger, reset it back to where it started and ... which wrap around edges of buffer: it it takes less memory ... for buffer and buffer content is not going ... -
Character scrollingOk, first I'd like to say that I'm not looking for a complete routine (but that might help) because I am hoping to write it myself and learn a bit mo…
... to scroll the screen, a back buffer or render the text each ... -
Character scrollingOk, first I'd like to say that I'm not looking for a complete routine (but that might help) because I am hoping to write it myself and learn a bit mo…
... to scroll the screen, a back buffer or render the text each ... -
Character scrollingOk, first I'd like to say that I'm not looking for a complete routine (but that might help) because I am hoping to write it myself and learn a bit mo…
... it takes less memory for buffer and buffer content is not going ... />
True, a circular buffer is certainly easier to handle ... the new area" of the back buffer more complicated to get my ... head around in the circular buffer model, particularly when the sprite ... -
Character scrollingOk, first I'd like to say that I'm not looking for a complete routine (but that might help) because I am hoping to write it myself and learn a bit mo…
... build the table in the back buffer (so it can only run ... -
Please test my Manic Miner remake!Thanks to everyone who downloaded my sneak preview of Manic Miner Turbo. Thanks especially to na_th_an who is the only person so far to give feedback…
... />
I draw to a back buffer in non-contended RAM and ... />
.nextbuffentry
; check for buffer end
ld a, b ... from backbuffer to real screen buffer. -
Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…
... chase in circles in the buffer area.
I've ... can see there's a back buffer, of 10 byte tiles. These ... 't work out if the buffer holds the background behind the ... -
DMA interface for ZX Spectrum[url]http://velesoft.speccy.cz/data-gear.htm[/url] This is internal DATA-GEAR interface for any 8-bit computer with Z80CPU. Use Direct Memory Access…
... of the screen from the back buffer over where you are animating ... -
Sprites masterclassHi All, You guys are probably tired of explaining sprites but I'd like to clarify a few things if possible. I've sorted the vertical aspect of scro…
... :
(1) use a back buffer for the sprites and erase ... !
(2) use a back buffer for the entire screen and ... -
Contention: LDI vs LD (ss), rAccording c.s.s. FAQ: instruction LD (ss),r breakdowns as pc:4,[b]ss:3[/b] and LDI as pc:4,pc+1:4,hl:3,[b]de:3,de:1 x 2[/b] can anyone explain why …
Your Views on... GhostbustersI dusted off the Master System version of this and inspired me to try out the Speccy version. It's a good game with it's strong and weak points. I …
... .
Ghostbusters uses a back-buffer to draw the graphics and ...ANN: Spud v0.210Ok guys, I've made you wait long enough. Here's a new version of Spud for you to love, hate, ridicule or ignore. [URL]http://bit.ly/iAhkXY[/URL] …
... for windowed mode.
2) Back-buffer format matches the current desktop ...Your Views on... GhostbustersI dusted off the Master System version of this and inspired me to try out the Speccy version. It's a good game with it's strong and weak points. I …
... .
Ghostbusters uses a back-buffer to draw the graphics and ...GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…
... drawing is done to a back buffer first and then copied or ... has a host of calling back and forth to the app ... -byte (9 byte including attribute) back buffer is used to completely draw ... . The fixed address of the back buffer can speed up and simplify ...GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…
... of both): paint everything to back buffer then copy entire affected rectangle ...GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…
... of both): paint everything to back buffer then copy entire affected rectangle ... in each character. Such buffer is very easy to maintain ... you just iterate through the buffer, look which window is ... , and a bitmap-oriented buffer for windows with raw bitmaps ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... the LDIR. Even worse, the back buffer is in the lower 32k ...FPGA ZX SpectrumJust wonder: how many of you would buy "new hardware based" and "in case" ZX Spectrum based on FPGA? ;) [url]http://www.fpgaarcade.com/[/url]
... I have to put it back in. The memory bank paging ... have to draw to a back buffer and copy to the screen ... buffer. Page flipping is much faster.< ...Fairlight's use of LDIRYS, comparing Fairlight and Nightshade, said: [quote]Fairlight is much more interesting even though the techniques that Bo Jangeborg uses for screen…
... just copying over from the back buffer it makes no difference whether ... :- this does not apply to back buffer algorithms. This applies to algorithms ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... nice scroller and uses a back-buffer for the middle third of ... unrolled LDIs to transfer the back buffer to the screen behind the ... of the fresh display. The back buffer is bit-shifted and new ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... ; or scrolling, then copying, a back buffer. If you have a few ...
