Crt Display - Sharp MZ-3500 Service Manual

4. CRT DISPLAY
4-1_ Specification
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1
1
1
3KB (charac;,"s\ ..
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Display memory 96KB, max (g,aph", Opt,on .. -..... - - - - - -
Character display Screen structure 80 chrs x 25 I,nes, 80 chrs x 20 lines
40 chrs x 25 I,nes, 40 chlS
X
20 lines
1---------+--------------- ------
---,--------+-----------------------;
Programmable
Character
structure
Attributes
8
x
16 dots
With lower casp descenders
255 characters
I
Alphanumerocs and 69 symbols
: 26 small characters
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97
graphic patterns
III
Revers, vertIcal
Ilne~
blink, horizontal line
Programmable for each character
I
8 x 8 dots
Blink, revers
Programmable for each character.
1-----------+--------- -----------------------+----------------------1
GraphiC display
(option)
ColofS
32KB type
96KB tYpe
Screen merge
Merge of chracters and graphiCS
Background calor
Control of two Independent screens
Control channel number
Light pen Input (option)
8 colors, progra'T1mable for each character
640
x
400 dots, B/W (one frame!
Calor deSignation for each character
640 x 400 dots. BIW {lhree frames!
Color deSignation pOSSible for each character
Calor (one frame!
Merge any graphiC screen (1 to 3 frames!
Merge a character screen With a graphiC screen
ChOice of 8 colors
640 x 200 dots, B/W (Two frames)
Color deSignation possible for each character
640 x 200 dots, B/W \SIX frames)
Calor deSignatIOn pOSSIble for each character
Calor (Two frame)
POSSible 10 d :,pla'y on c;;epdrare two screens
Orl~:l1r.dl
graphiC screen
and
character screen
Separate graphIc screens can
be merged
Into
one
POSSible to affiX attrobutes (CRT2 only!
Selection of character Inon-character screen display
Incorporation of two ,,)dependent Video outut channels
Scans coordmates and character code
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