stage4

//load exhandler and int 7
load (7,1);
load (15,9);

//load init
load (16,13);
load (17,14);
load (18,15);

PTBR = 1024;
PTLR = 4;

//setting page table
[PTBR + 0 ] = 16;
[PTBR + 1 ] = 11;
[PTBR + 2 ] = 17;
[PTBR + 3 ] = 11;
[PTBR + 4 ] = 18;
[PTBR + 5 ] = 11;
[PTBR + 6 ] = 19;
[PTBR + 7 ] = 11;

//load disk free list and FAT
load (6,11);		//disk free list
load (5,10);		//FAT

//setting system wide table to -1
alias count R8;
count = 0;
while (count <= 128) do
	[FILE_TABLE + count] = -1;
endwhile;

[READY_LIST + 0 ] = 0;
[READY_LIST + 1 ] = 2;

count = 15;
while (count <= 30) do
	[READY_LIST + count] = -1;
endwhile;


SP = 3*512;
[19*512] = 0;
ireturn;