... * documentation first, so I won't waste time repeating everything again ...

... worldofspectrum.org/forums/showthread.php?t=40556"]last demo[/URL]). ... per second, which looks quite fast. Each movement takes about 10K T-states ... The remaining tiles (that don't move around) are animated automatically ... BIFROST*, so they don't cost anything! :)

... /> first Z80 routines (can't you
tell) and ... -How fast ?

140000 T-states a frame.

-And ... , speech,
five colours per square, and a
... /> program. I can't say a lot but
t
afford much. ...

... hl,de ; next pixel line address
djnz 58434 ... routine above takes 109846 T-states, which is almost half ... The reimplementation above takes 87446 T-states, thus reducing game cycle ... to about 253100 T-states, and improving game ...

... is explained that a data line handles the odd bits ... protocol is this. I didn't yet.

... to ULA in 16 Z80 T-states, which means that the ... these 16 Z80 T-states, 36.57 IF1 T-states elapse. I suppose ...

(BTW, isn't there anyone with a Logic ...

... this. But if I don't /someone/ will want to. It ... had more scope, but don't fit well into Bifrost tiles ... just 256 pixels per sprite, with two colours per line available. The original ...

... line.
[*]As there is nowhere free to display messages, the border ... last punctuation point.
[*]Don't wrap lines to start with ... a number which isn't a BASIC line number, as it confuses ... course.

I wouldn't bother trying to fathom what ...

... good books, I couldn't decide where to start ... except UnicodeDecodeError:
line = str(line)
line = line.strip() # strip whitespace ... (one title and author per line) in a text file ... )
Half Past Human T.J.Bass (47)
...

... limitations on number of characters per line, otherwise it is straightforward.
line concept?

... 128 pixels, or 64 bytes per line stored sequentially unlike the screen ... map isn't displayed at once, so after doing a line of ... popping BC the DJNZ doesn't decrement it by one, it ... (not going line by line but character line by character line down the screen ...

... 224 T (224 clock ticks) per line of the display. And 128 T ... Whereas the CPU takes 3 T for a single memory operation ... uncontented for 2 T out of every 8 T. Now 128 / ... 4 bytes in 6 T then leaving things alone ... for 2 T then fetching 4 bytes ...

... [code]Line 100 = 9,415 T states
Line 110 = 9,415 T states
Line 120 ... = 9,643 T states
Line ... 130 = 8,574 T states

At Sourceforge:
https://sourceforge.net/projects/z88dk/

It's been a year since the last release so it was time for another. This is another transitional release on the way to version 2.0 and hopefully we'll get there for the next one ...

... hl[/b], which is two T states slower.

Note the ...
inc h ;down one line

ld a,h ... , we're on the next line
;of char row, so ...

...
Added TSConf DMA emulation, line interrupt, sprites layers
Added ... tiles and sprites are drawn per scanline. Border drawing. Handling of scroll ...

... require doing things like counting T-states for specific routines and automatic ... look like given I don't have to do everything ... it can't have a GUI or a command-line interface (it ... so the resulting code wouldn't suffer from peformance overhead, spending ...

... the cursor position
-added t-states counter on default view

Fixed disabling border when realvideo enabled on machines ...

... make a lightning fast line routine is to implement ... it uses one division per line and since z80 has no ... addresses of beginnings of each line of the display memory ... bit mask in the line routine instead of the ... y-coordinate. And don't forget to put all routines ...

... clock will also increase 1 per 1/50 sec."


I don't attempt to count a single ... a Z80 manual with the T states to hand this is a ...

... TV goes to the next line. You will just have around ... it takes only a few T-states, but it works only on ...

... 255, change the value in line 10 to BIN 11100111.
t so simple, as there is ... the constant in the TIMING line smaller then result will be ... from approximately 180 T states (about 50 microsec) to 2800 T states (about 800 ...

... using another register (you can't ADD HL,32, but you ... and you don't move to the next line down but to ... as there are 32 bytes per line
and a ; this will ... - since we don't want the start of the line
; to ...

... by the CPC (fixed t-states between CPC changing the state ... see the loading sequence; border and all, and it ... but does this doesn't matter much as from ...
[/quote]
isn't the only reason we want ... /> [/quote]
isn't the direct recording block good ...

... faster Z80 (where more T States are executed per screen frame). 4x2 is ...

... that basically you have 448 T states between each update (working from ... states two lines are drawn. You then insert the next attribute line ... from the 2nd attribute set, wait another 448 states, then ...

... the screen, which takes 69888 T states to draw.
You have ... memory loading instruction takes 7 T states, that means that [I]theoretically ... [/I] the shortest number of T states it would take to load ... to write a new line in 224 T states and 224/7 = 32 ...

... ingeneral ) Multicolour - any 2 colors per 8 pixels horizontally. thats really ... can draw to the screen, t-states and all that techy stuff ...

... you're right. I didn't know this, I always thought ... use commands that don't care about integers (BORDER, PAPER, AT...), for ... use RND, but you can't tell if you get 0 ... whole program on just 1 line
you can save space ...

... obviously require just under 1k per second of sample for a ... updated at least every 436 T-states - noting that it will take ... a few states to update the sound status ... do.
Hence I don't see this as practical.