scott11.txt

C#编写的超小的操作系统,有兴趣的可以下载研究一下,

6	r1, $1		;move 1 into r1
29	r1, r2		;map shared mem region #r1, return addr inr2
11	r2		;print r2 (the memory address)
7	r3, r2		;copy the memory address into r3 (we might need it)
6	r4, $1		;lock 1
23	r4		;lock r4 (lock #1)
6	r3, $99 	;put 99 in r3
9	r2, r3		;put r3 at memory r2
2	r2, $4		;add 4
9	r2, r3		;put r3 at memory r2
2	r2, $4		;add 4
9	r2, r3		;put r3 at memory r2
2	r2, $4		;add 4
9	r2, r3		;put r3 at memory r2
2	r2, $4		;add 4
24	r4		;release 1
6	r5, $1		;event 1
30	r5		;signal 1
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