
8. CRT CHARACTER DISPLAY
B–61863E–1/06
PMC LIBRARY
230
SC/SC3/SC4 NB/NB2 16i/18i/21i 15i–A
f f
[Name]
pl_dspresave
[Description]
Redisplays on the CRT screen the display character data and
attributes saved by the CRT display character saving function
(pl_dspsave).
[Format]
ret = pl_dspresave(P1,P2);
short ret ;
short P1
unsigned char *P2 ;
[Input]
P1 Specifies screen restoration.
P1 Specifies screen restoration.
0 Specifies that the characters for one screen are to be restored.
1 to 5 Specifies that part of the screen (up to 80 characters) is restored.
(Five screen parts)
*P2 Screen saving work area pointer (*1)
Pointer of the work buffer in which data was saved by the screen
saving function (pl_dspsave)
[Output]
______
[Returns]
ret Completion code : –1, 0, or 3
[Remarks]
(1) When this function is issued, restoration data must be saved in the
work buffer using the screen saving function (pl_dspsave).
(2) The only display characters that can be restored are character data
saved by the screen saving function (pl_dspsave). The location
of the screen to be redisplayed is limited to the location in which
the saved characters were being displayed.
8.16
RESTORING THE
CRT CHARACTER
DISPLAY