rom_code.txt

START

MOV T0,
9
LOAD T0,
3
MOV T0,
10
LOAD T0,
4
MOV T0,
11
LOAD T0,
5
MOV T0,
12
LOAD T0,
6
MOV T0,
7
LOAD T0,
1
MOV T0,
8
LOAD T0,
2
MOV T0,
23
LOAD T0,
17
MOV T0,
24
LOAD T0,
18
MOV T0,
1536
ADD T0,
0
MOV [T0],
0
MOV T0,
25
LOAD T0,
21
MOV T0,
26
LOAD T0,
22
MOV T0,
27
LOAD T0,
23
MOV PTBR,
1024
MOV PTLR,
4
MOV T0,
 "os_startup"
OUT T0

MOV T0,
PTBR
ADD T0,
0
MOV [T0],
25
MOV T0,
PTBR
ADD T0,
1
MOV [T0],
"01"
MOV T0,
PTBR
ADD T0,
2
MOV [T0],
26
MOV T0,
PTBR
ADD T0,
3
MOV [T0],
"01"
MOV T0,
PTBR
ADD T0,
4
MOV [T0],
27
MOV T0,
PTBR
ADD T0,
5
MOV [T0],
"01"
MOV T0,
PTBR
ADD T0,
6
MOV [T0],
28
MOV T0,
PTBR
ADD T0,
7
MOV [T0],
"01"
MOV T0,
1536
ADD T0,
1
MOV [T0],
2
MOV T0,
3
MUL T0,
512
MOV SP,
T0
MOV T0,
28
MUL T0,
512
MOV [T0],
0
IRET

HALT