Appendix
App-19
PL-5700 Series User’s Manual
Operatio n
Inpu t
O
utpu t
Font registration
8 x 8 dot font
regis trati on (PC
cha ra cter set,
ins ide video
B IOS R OM)
[Graphics ]
AH =
AL =
B L =
D L =
11h
23h
0: (Number of lines per DL
regis ter value)
1: 14 lines
2: 25 lines
3: 43 lines
Number of s creen lines (W hen B L
= 00h)
8 x 16 dot font
regis trati on (PC
cha ra cter set,
ins ide video
B IOS R OM)
[Graphics ]
AH =
AL =
B L =
D L =
11h
24h
0: (Number of lines per DL
regis ter value)
1: 14 lines
2: 25 lines
3: 43 lines
Number of s creen lines (W hen B L
= 00h)
R ea ding font
table da ta
AH =
AL =
B L =
11h
30h
0: R eturn INT 1F h (CG A font) entry
address
0: with E S:BP register.
1: R eturn INT 43h entry address
with E S:BP
1: regis ter.
2: R eturn 8 x 14 font address with
E S:BP
2: regis ter.
3: R eturn 8 x 8 font address with
E S:BP
3: regis ter.
4: R eturn 8 x 8 font (80h) address
with
4: E S:BP register.
5: R es erved
C X =
D L =
E S:BP =
Number of vertical bits per
character
Number of lines per s creen - 1
Address of da ta specified in
B H
P erformance selecti on
R ea ding video
mode data
(Color/B/W
mode)
AH =
B L =
12h
10h
B H =
B L =
C H =
C L =
0: C olor mode
1: B /W mode (MDA mode)
V ideo RAM memory s ize
R es erved
D IP switch setti ng
S electing video
B IOS print-
s creen
AH =
B L =
12h
10h
S electing
vertica l
res oluti on
AH =
B L =
AL =
=
=
=
12h
30h
S elected vertica l res oluti on
00h: 200 dis play lines
01h: 350 dis play lines
02h: 400 dis play lines
AL = 12h S ucces s fully executed
D efault pallet
loa d
ena ble/disa ble
AH =
B L =
AL =
12h
31h
L oa d s election
0: D efault pallet loading ena bled
1: D efault pallet loading dis abled
AL = 12h S ucces s fully executed
V ideo
ena ble/disa ble
AH =
B L =
AL =
12h
32h
0: V ideo enabled
1: V ideo disa bled
AL = 12h S ucces s fully executed
G ra y s ca le
ena ble/disa ble
AH =
B L =
AL =
12h
33h
0: G ra y s ca le enabled
1: G ra y s ca le disa bled
AL = 12h S ucces s fully executed
