... routines for printing a font double height?I've concocted this ridiculous ...

... to write a machine code double height character printing routine. I know this ... about how to write a double height character routine in BASIC that is ... 0,0;a
145 POKE DTOP,PEEK CHARS
150 ... DTOP=DTOP+1
155 POKE DTOP,PEEK CHARS
160 ...

... to write a machine code double height character printing routine. I know this ... about how to write a double height character routine in BASIC that is ... 0,0;a
145 POKE DTOP,PEEK CHARS
150 ... DTOP=DTOP+1
155 POKE DTOP,PEEK CHARS
160 ...

... have been further refining my double height character program i.e. the ZX ... 0,0;a
145 POKE DTOP,PEEK CHARS
150 ... DTOP=DTOP+1
155 POKE DTOP,PEEK CHARS
160 ...

... -fly Bold Text, underlining, Inverse, double height character etc. amendments to the routine ...

... about adding +40 to the character to invert it means nothing ... , the upper half of each double height character was usually stored in the ... of dealing with the top character line and then copying everything ...

I just use "Snipping Tool" in windows to copy parts of the screen then save them to pictures folder and upload them to postimage.

I'd give Spin a try if I were you... debugger looks far easier to use.

Anyway see if you can ...

[quote="Paradigm Shifter;992901"]I just use "Snipping Tool" in windows to copy parts of the screen then save them to pictures folder and upload them to postimage.

I'd give Spin a try if I were you... debugger looks far easier to use.
...

[quote="Paradigm Shifter;992901"]I just use "Snipping Tool" in windows to copy parts of the screen then save them to pictures folder and upload them to postimage.

I'd give Spin a try if I were you... debugger looks far easier to use.
...

... screen memory to create the double height characters. For BASIC it ... br /> 220 LET p$="Sample Double Height Text"
230 LET y ... 250 REM Loop for each character
260 FOR a=1 ... GO TO 410
400 POKE sa,T: LET sa=sa ... +256: POKE sa,T: LET sa=sa ...

... remember a way of getting double height fonts using BASIC, similar to ... for example the the first character set was stored at 32768 ... this:

9000 POKE 23606,0 : POKE 23607,127 : PRINT AT ... ,Y;A$
9010 POKE 23606,0 : POKE 23607,130 : PRINT AT ...

... to redefine the character set and just POKE it with double-height characters. i ... top-half of themselves in double-height, and the lower case letters ... you only need to re-POKE the upper byte of the ... them up.
To double things up horizontally, you either ...

... Sprites
o Fixed Vic20 character index output for code editor ...
o Added Vic-20 Double Height palettes for MultiColor and HiRes ...

... />
* Fantastic double height text drawing routine!

* Only character cells which ... Lair, etc.)

* Custom character set, could add a variable ... then would need space for character horizontal roll table (or could ...

... routine, specially with double-height chars :)[/QUOTE]

Double height only?
That ... /> Place each line of the character twice.

... and to make the double height printing work with the ... push bc ;save off current Character Position
ld de ... /> p_main: call p_at ;convert Character Position to Screen Address
Character Position and
inc ...

... to this you can create double height characters quite easily using machine ... word. Mind you, one simple POKE can change this to "ar ...

I'm not familiar with C64 fonts.
What was the character fix pixel sizes? 8x8 like spectrum?
Also, double height - is that mapping the 8x8 (or equiv.) character to 8x16 pixels on screen?

... about adding +40 to the character to invert it means nothing ... stored in memory, so printing double-height characters is just a case ...

... still need an alpha-numeric character set to handle that. ... is only 6 bytes per character - presumably shaving off the ... Upside Down, Inverse, Mirrored and Double Height with just minor amendments to ... text on pixel rather than character values.

...

... as a 6x8 font with double height pixels. I'm open to ... have a problem, especially about character "i"
Amiga Topaz font ...

... $ 14;"Windows can have any character size, from 3 up to ... ;"This can be combined with double height as well!!"
410 PRINT ... a choice of 48 different character sizes!"''"And if the built ... are automatically scaled to the character size: ";CHR$ 142;CHR$ 137 ...

... doing double height text ... double‘‘height‘‘on‘‘‘Print‘‘at‘‘double‘‘height‘‘on‘‘
‘Print‘‘at‘‘double‘‘height‘‘off‘‘Print‘‘at‘‘double‘‘height ... ‘‘off‘[/CODE]‘ is character ...

... for standard and double height resolutions (but not double width or 512x384 ... in the VRAM used in double-width modes)

... them (whilst hiding one character of display at the screen ... the PAPER pixels in a character square to be transparent. ...

... s incremented every time a character is printed (with control ... b 1 ; pixel position within character square (0-7)
... /> ; bit 4: double width mode
; bit 5: double height mode
; bit ... =double line-feed, 1=normal)
w_charac ds.b 1 ; character ...

... ; =======================================================================
; _PLOT2CHR - plot double sized character on screen
; input - ... correct place in ROM for character graphic
; **************************************************
...

... control menu/static text screen), double height text and score display routines ...

... the interesting stuff! Every character in a regular ZX- ... [B]FZX[/B], each character definition is fully configurable and ... characters are 9 pixels tall ("height"), character "a" is located at ... of distance before the next character ("tracking").

...

i havent come across this type of graphics mode on the spectrum before and would like to know if there are any other games that use it.