Signal System Of Color V-Ram - Sharp MZ-700 Owner's Manual

4.4
Signal System of Calor V-RAM
Color information of the MZ-700 is controlled in character units; that is, a 1-byte color information
table is assigned to each character displayed on the screen.
A color information table is shown in the figure below.
07
Not used.
06
G
I - -
05
CHARACTER
R
r---
04 B
O s
Not used .
0 2
G
I - -
0 1 BACK R
r---
D o B
G
:Green
R
:Red
B
:Blue
CHARACTER BACK
Color information tables are accessed as follows.
Col or
1 - - - - - - - - - - - - 1 matrix
Sync
signal
Blanking
signal
R.G.B.
RF
Color subcarrier (3.54MHz)
Display address
0 6-04
0 2-00
Display address
Characters displayed are stored at addresses $DOOO to $D7FF of V-RAM, and color information tables
are stored at addresses $D800 to $DFFF of V-RAM.
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