HP 262SA - Page 306

Graphics
Table
D-9. Incremental (short) Vector Bytes
0 2
3 4
5 6 7
8 9
10 11
12 13 14 15
I
X &
(
)
/
-16 -15
-14
-13 -12 - 1 1
- 10
-9 -8
-7
-6 -5
-4
-3 -2 - 1
0
2 3
4
5 6
7
8 9
Table D-IO. Graphics Control Sequences Used in Record Operations
Key
Sequence Description
i -H-t
none Graphics cursor controls
CURSOR FAST
none
Graphics
cursor fast
G.CURSOR
Ec
* dL
off
Ec
* dK
on
G. DISPLAY
Ec
* de
on
Ec
* dD
off
G.CLEAR
Ec
* dA
ALPHA DSPLY
Ec
* dF
off
Ec
* dE
on
Figure D-14 shows the sequences generated when drawing a simple box. The graphics cursor
is initially on and positioned at 0,0.
0~*P~13,213Z
o ~ *pa213 ,213 ,382 ,213Z
• ~ *p~382 ,213 ,382, 189Z
o ~ *pa382, 189 ,213,1891
8 ~ *p~ 13 , 189 ,213 ,213Z
213,213 382,213
08
0
0
o •
213,189 382,189
+8,8
Figure D-14. Displaying Graphics Sequences
D-36