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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…
... you could draw to one buffer and then just have the ... a little more. We used double buffering like that on the ... -
The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…
... spectrum display
2. A double buffered video mode (as the ... by hardware with a small buffer and not the software driven ... by hardware with a small buffer. Polled or interrupt modes.
The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…
... spectrum display
2. A double buffered video mode (as the ... by hardware with a small buffer and not the software driven ... by hardware with a small buffer. Polled or interrupt modes.
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 ... copy that area into screen buffer.
[/QUOTE]
The ... worked, this allowed to do double buffering using only Basic instructions ...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…
... take a frame of time. Double buffering works well when that ... was updating the (offscreen) screen buffer as it was "2 frames ... /> [ROM] [ON-SCREEN-BUFFER] [CODE] [OFF-SCREEN-BUFFER]
Obviously, your ...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 …
... hardcode two screens and say "double buffering only".[QUOTE]
buffer as it tries to keep ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... very inefficiently programmed esp. the double LDIR job. Thank god it ... am using the attribute control buffer similar to Manic Miner (only ...TC2068 emulator cart - problemHi, Sorry for posting timex related stuff on a spectrum forum. So, this cart (spectrum emulator) can only adress 16K. I can load small games but i …
... be sent to a PCB maker like Olimex who will make ... ) using just a bit of double sided copper clad board, glossy ... designed about half a dozen double sided PCBs that I've ...Possible great ideaHello there everybody, I have been toying with the idea of doing a project here with the help of the gurus on the forum. The idea is to start the de…
... /right/center justification and a double-width text printer that can ... screen or into a memory buffer (for scrolling).
[quote ...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 /> [code]
// prints double width chars without any formatting ... for printed bitmap (screen or buffer)
// f = ... buffer. The latter will be done to simplify the scroller. The double ... width text bitmap will be written to the memory 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…
... row
- The message is double width text
- The message ... in mind uses memset() for buffer init, memop() for pixel scroll ... at a time into the buffer and probably memcpy() because I ...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…
... double printed message 1 pixel at a time in the buffer ... br /> // Blit the stuff from buffer to screen
////////////////////////////////////////
. ... continual scrolling message printed double-width but not running ...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…
... the double printed message 1 pixel at a time in the buffer ... the address of the scroll buffer in hl so a "ld ...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…
... continual scrolling message printed double-width but not running ... br /> ////////////// Blit the stuff from buffer to screen ////////////////
////////////////////////////////////////////////////////////////////
...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…
... scroller installs a new double-width character-half and ... br /> ////////////// Blit the stuff from buffer to screen ////////////////
////////////////////////////////////////////////////////////////////
...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…
... DIRECTLY TO SCREEN AND-OR BUFFER
static ... /> }
// prints double width chars without any formatting ... +i-33, 32); // copy buffer to screen
temp += 256 ... fat char at end of buffer
if (!(*(++m_ptr))) m_ptr ...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…
... one step to take. The double width helper functions are really ... so the code inside the double width helper routine loop is ... someone solves this then the double width printer can get rid ... 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…
... ]d_Print()[/b] and the double width text printer [b] ... be used to print double width characters for the ... 'll probably revisit the double width printer and simplify ... ); // OR plot border into buffer
memopi(buff, gfx_exploitMask[p ...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…
... scrolls a full screen wide double-width message on row 20 ... since we're dealing with double width characters). scroll_isr() is written ... pointer to start of text buffer
}
[/code]
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…
... that we wanted this double width printer to be ... block of memory (for the double width scroller) where scanlines ... adds 256 and for buffer printing you'd pass a ... now and the present double width printer only prints ... doing it to a buffer and then copying the ...50Hz on PC?Hi, do you know of any emulator for PC that can switch monitor refresh rate to 50Hz or closest possible and sync ZX interrupt with monitor refresh?…
... particularly "hard" to do. Double or triple buffer everything. Job done. But ...What was a Z80 computer capable of ?I have always wondered, and maybe the techy people on here could answer, with what you know about the Z80 processor, was the spectrum hampered by the…
... graphics is a second screen buffer which you can flip to ... for new tricks such as double-buffering (drawing the new screen ...Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…
... in-game screen for "Poke Maker".
I think either ... [/url]
I have double-checked this is the correct ... which contains the actual "Poke Maker" program.CoffeeI just bought my very first coffee maker. It's a 4-cup Mr. Coffee. I hate coffee. Lately I've felt a bit slow(er) and like I'm dragging my feet in…
... vile ... and I have to double the suggested dosage as per ... the manual for the coffee maker (because I want/need that ...Spectrum AssemblyHi All, Thanks for letting me in... lol Over the last couple of days I started playing my spectrum emu again and then I started thinking about lear…
[quote=Shadow Maker;308527]I need a FOUR ... routines) to move it from buffer to videoram. You would need ... per x movement and one buffer for 8 pixels movement. Buffers ...Spectrum AssemblyHi All, Thanks for letting me in... lol Over the last couple of days I started playing my spectrum emu again and then I started thinking about lear…
[quote=Shadow Maker;308543]I really do ... text. Like "print text in buffer, scroll up one string, ... ldi the text from buffer to screen, scroll up ... recommend to print all into buffer and LDI only visible ... fact start pointer into your buffer. I think for system ...Spectrum AssemblyHi All, Thanks for letting me in... lol Over the last couple of days I started playing my spectrum emu again and then I started thinking about lear…
[quote=Shadow Maker;308546]I wish to have ... nice. So printing in buffer and then moving it cannot ... /> 1) ldi the window from buffer
2) scroll screen and ... get new pixels from buffer.
ld b ... ,width
ld a,(buffer) ; this is left border, ...Spectrum AssemblyHi All, Thanks for letting me in... lol Over the last couple of days I started playing my spectrum emu again and then I started thinking about lear…
[quote=Shadow Maker;308555]That example you typed ... add or sub "buffer width" to current buffer start and then move ... the buffer to vram. That ...Fast screen writesI wondered what the faster than LDIR methods of writing to the screen were.
... /> ld hl, ** - the entire graphics buffer is stored in this sequence ... method demands double amount of memory for the screen buffer and special ...Fast screen writesI wondered what the faster than LDIR methods of writing to the screen were.
... /> ld hl, ** - the entire graphics buffer is stored in this sequence ... method demands double amount of memory for the screen buffer and special ...
