?? sample.tm
字號:
* TINY Compilation to TM Code
* File: SAMPLE.tm
* Standard prelude:
0: LD 6,0(0) load maxaddress from location 0
1: ST 0,0(0) clear location 0
* End of standard prelude.
2: IN 0,0,0 read integer value
3: ST 0,0(5) read: store value
* -> if
* -> Op
* -> Const
4: LDC 0,0(0) load const
* <- Const
5: ST 0,0(6) op: push left
* -> Id
6: LD 0,0(5) load id value
* <- Id
7: LD 1,0(6) op: load left
8: SUB 0,1,0 op <
9: JLT 0,2(7) br if true
10: LDC 0,0(0) false case
11: LDA 7,1(7) unconditional jmp
12: LDC 0,1(0) true case
* <- Op
* if: jump to else belongs here
* -> assign
* -> Const
14: LDC 0,1(0) load const
* <- Const
15: ST 0,1(5) assign: store value
* <- assign
* -> repeat
* repeat: jump after body comes back here
* -> assign
* -> Op
* -> Id
16: LD 0,1(5) load id value
* <- Id
17: ST 0,0(6) op: push left
* -> Id
18: LD 0,0(5) load id value
* <- Id
19: LD 1,0(6) op: load left
20: MUL 0,1,0 op *
* <- Op
21: ST 0,1(5) assign: store value
* <- assign
* -> assign
* -> Op
* -> Id
22: LD 0,0(5) load id value
* <- Id
23: ST 0,0(6) op: push left
* -> Const
24: LDC 0,1(0) load const
* <- Const
25: LD 1,0(6) op: load left
26: SUB 0,1,0 op -
* <- Op
27: ST 0,0(5) assign: store value
* <- assign
* -> Op
* -> Id
28: LD 0,0(5) load id value
* <- Id
29: ST 0,0(6) op: push left
* -> Const
30: LDC 0,0(0) load const
* <- Const
31: LD 1,0(6) op: load left
32: SUB 0,1,0 op ==
33: JEQ 0,2(7) br if true
34: LDC 0,0(0) false case
35: LDA 7,1(7) unconditional jmp
36: LDC 0,1(0) true case
* <- Op
37: JEQ 0,-22(7) repeat: jmp back to body
* <- repeat
* -> Id
38: LD 0,1(5) load id value
* <- Id
39: OUT 0,0,0 write ac
* if: jump to end belongs here
13: JEQ 0,27(7) if: jmp to else
40: LDA 7,0(7) jmp to end
* <- if
* End of execution.
41: HALT 0,0,0
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