... 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 ...

... 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 ...

... the double printed message 1 pixel at a time in the buffer ... the address of the scroll buffer in hl so a "ld ...

... continual scrolling message printed double-width but not running ... br /> ////////////// Blit the stuff from buffer to screen ////////////////
////////////////////////////////////////////////////////////////////
...

... scroller installs a new double-width character-half and ... br /> ////////////// Blit the stuff from buffer to screen ////////////////
////////////////////////////////////////////////////////////////////
...

... 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 ...

... 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 ...

... of compression to increase text buffer. But again, I haven't ... need too much space, use RAMDISK on 128k mode :) You don ...

... of compression to increase text buffer. But again, I haven't ... need too much space, use RAMDISK on 128k mode :) You don ...

... ]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 ...

... 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]

... 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 ...

... particularly "hard" to do. Double or triple buffer everything. Job done. But ...

... graphics is a second screen buffer which you can flip to ... for new tricks such as double-buffering (drawing the new screen ...

... /> ld hl, ** - the entire graphics buffer is stored in this sequence ... method demands double amount of memory for the screen buffer and special ...

... /> ld hl, ** - the entire graphics buffer is stored in this sequence ... method demands double amount of memory for the screen buffer and special ...

... second screen as a back-buffer, so the pixel data is ... . I started work on a double-buffered version (where it stores ...

... . The C model creates a buffer in memory that is a ... automatically managing that limited size buffer.

The current z88dk ... such as +3 disk, ethernet, ramdisk, etc. +3 disk shouldn't ...

... -191
add hl,hl ; double it to get word offset ... screen line in the scroll buffer
db 0,0,0 ...

... priority, such a memory swap, buffer flush, etc. can steal the ... LCDs: simply render to a double framebuffer at 50 Hz, and ...

... priority, such a memory swap, buffer flush, etc. can steal the ... LCDs: simply render to a double framebuffer at 50 Hz, and ...

... , or you need a double-size screen buffer that lets you run ...

... />
A000: Back buffer
B800: Back attribute buffer, has attributes for ... another guardian)

* Fantastic double height text drawing routine!

... do a speedup by using double the storage space and build ... the table in the back buffer (so it can only run ...

... included in later versions of Double Dragon? May be worth considering ... is using an empty level buffer (16K) for 3-4 pictures ...

... may be able to double use the buffer - for example, have music ... that's in the screen buffer. I think Fairlight uses this ...

... up right because the first buffer will be scanned at 50Hz ... the 50Hz scan of that buffer into the VGA framebuffer, then ... scan part of the first buffer stays synced with the Speccy ... ULA contention. (Actually for a double buffered display, what I prototyped ...

... Thirteen - Double Buffering
Creating a Screen Buffer
Scrolling the Buffer

... some "times 3", and a buffer of 28*20*3 :). It ... memory: 1.5K
PutTiles buffer: about 1K
default SP1 ... stdio (treat ram as a ramdisk with seek ability and attach ... decompressor as filter between the ramdisk and C's usual read ...

... )
Whereas with linear frame buffer you need someting like
double additions) you [B]waste a ...