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TI228.ASC
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1991-09-11
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3KB
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133 lines
PRODUCT : TURBO PASCAL NUMBER : 228
VERSION : 3.0xx
OS : PC-DOS
DATE : March 13, 1986 PAGE : 1/2
TITLE : ACTIVATING SIDEKICK FROM WITHIN A TURBO PASCAL PROGRAM
This program is an example of how a Turbo Pascal Program can be
used to activate the main menu of SideKick. It works with
SideKick 1.50 or later versions only, and with TURBO PASCAL 3.01
IBM compatible systems only.
program ActivateSidekick;
function Sidekick: Boolean;
const
SKactOffset = $012D;
SKverOffset = $012A;
type
RegPack = record
case Integer of
1: (AX,BX,CX,DX,BP,SI,DI,DS,ES,Flags: Integer);
2: (AL,AH,BL,BH,CL,CH,DL,DH : Byte);
end;
Address = record
Offset : Integer;
Segment: Integer;
end;
SKstr = array[1..2] of Char;
SKstrPtr = ^SKstr;
var
SKbios08Trap: Address absolute $0000:$0020
{ Sidekick timer tick trap };
SKbios25Trap: Address absolute $0000:$0094
{ Sidekick DOS int 25 trap };
SKfound : Boolean;
SKstrCheck : SKstrPtr;
R : RegPack;
begin
with SKbios25Trap do SKstrCheck:=Ptr(Segment, Offset-2);
SKfound:=(SKstrCheck^ = 'SK');
if not SKfound then
begin
with SKbios08Trap do SKstrCheck:=Ptr(Segment, Offset-4);
SKfound:=(SKstrCheck^ = 'SK');
end;
{ Check Sidekick version number (must be >= 1.50) }
SKfound:=
(SKfound and (Mem[Seg(SKstrCheck^): SKverOffset] >= 1)
PRODUCT : TURBO PASCAL NUMBER : 228
VERSION : 3.0xx
OS : PC-DOS
DATE : March 13, 1986 PAGE : 2/2
TITLE : ACTIVATING SIDEKICK FROM WITHIN A TURBO PASCAL PROGRAM
and (Mem[Seg(SKstrCheck^): SKverOffset+1] >= 50));
if SKfound then
begin
Mem[Seg(SKstrCheck^): SKactOffset]:=1;
{ Set Sidekick activate flag }
Intr($28, R);
{ Turn control over to Sidekick }
end;
Sidekick:=SKfound;
end { Sidekick };
begin
if not Sidekick then Writeln('Sidekick 1.50 or later not loaded');
end.