Sharp MZ-700 - Page 131

b) Area displayed after the screen has been scrolled up one line from the end of V- RAM :
2 3
0000
0001
0002
1 041 1042
1043
0028 0029 002A
1081 1082 1083
2
24
0398 0399 039A
1 961
1962 1963
03CO 03C1
03C2
1
2
3
25
I
I
· I
I
I
I
39
0026
1079
004 E
111
9
03 BE
1999
03 E6
39
40
0027
1080
004F
11 20
I
03BF
2000
03 E7
40
Note: The line consisting of bytes 1 to 40 is wrapped a round to that consisting of bytes 1961 to 2000
as shown above.
iii) Scroll-up and scroll-down
a)
The screen is scrolled up by pressing the I SHIFT I and [] keys together , and is scrolled down
by pressing the I SHIFT I and [I keys together.
b) Scroll-
up and scroll-down
Scrol~
up
I
I
I
I
I
I
.,
1 A: Area which is displayed
~~~'----- - -\_\___,\..,--- _ ____, . ___ -- __ ]the screen ( 1 K bytes}
B: V-RAM (2K bytes)
• During scrolling, the area which is displayed on the screen moves through the 2K byte V-
RAM area as shown above.
• The end of th e V-RAM area is warpped around to the beginning of V-RAM as shown above.
• The cursor does not move on the screen during scrolling.·
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