PROFACE PL-5700 Series Manual page 103

Appendix
Operatio n
Video status save & restore
R eading buffer
s ize
S t a tus s ave
S t a tus s ave as
Operatio n
Reading system
data
Operatio n
Reading memory
size
PL-5700 Series User's Manual
Input
1Ch
AH =
00H
AL =
R equest status
C X =
B it 0: Video hardware s tatus
B it 1: Video B I O S data area
B it 2: Expansion pallet register
ssa ve / restore
1Ch
AH =
01h
AL =
R equest status
C X =
B it 0: Video hardware s tatus
B it 1: Video B I O S data area
B it 2:Expansion pallet register
ssa ve / restore
E S :BX =
Address of data save area
1Ch
AH =
02h
AL =
R equest status
C X =
B it 0: Video hardware s tatus
B it 1: Video B I O S data area
B it 2: Expansion pallet register
E S :BX =
ssa ve / restore
Input Output
AX = System configuration
AX bit
Input
O
1Ch : S u cces s f u lly
AL =
executed
B X =
B uffer size in 64-byte units
1Ch : S u cces s f u lly
AL =
executed
data
B its 15 & 14 : Number of printer ports
B its 11, 10 & 9 : Number of RS -232C ports
B its 7 & 6 : Number of internal FDDs
0, 0 : 1
0, 1 : 2
B its 5 & 4 : Screen mode
0, 1 : 40 x 25 line mode
1, 0 : 80 x 25 line mode
B it 1 : 80287 C PU yes/no
0 : No
1 : Y es
B its 13, 12, 8, 3, 2 & 0
O utput
AX =Memory size in 1 K B units
utput
: R es erved
App-21