236 lines
4.3 KiB
NASM
236 lines
4.3 KiB
NASM
.text 0x00400000
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.globl main
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la $28, _heap_
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la $4, _true
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# was: la _true_addr, _true
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ori $3, $0, 4
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# was: ori _true_init, $0, 4
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sw $3, 0($4)
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# was: sw _true_init, 0(_true_addr)
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la $3, _false
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# was: la _false_addr, _false
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ori $4, $0, 5
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# was: ori _false_init, $0, 5
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sw $4, 0($3)
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# was: sw _false_init, 0(_false_addr)
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jal main
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_stop_:
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ori $2, $0, 10
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syscall
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# Function incr
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incr:
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sw $31, -4($29)
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addi $29, $29, -8
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# ori _param_a_1_,$2,0
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# ori _param_b_2_,$3,0
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# ori _plus_L_4_,_param_a_1_,0
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# ori _plus_R_5_,_param_b_2_,0
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add $2, $2, $3
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# was: add _incrres_3_, _plus_L_4_, _plus_R_5_
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# ori $2,_incrres_3_,0
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addi $29, $29, 8
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lw $31, -4($29)
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jr $31
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# Function main
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main:
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sw $31, -4($29)
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sw $18, -16($29)
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sw $17, -12($29)
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sw $16, -8($29)
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addi $29, $29, -20
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ori $3, $0, 3
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# was: ori _size_reg_14_, $0, 3
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ori $16, $28, 0
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# was: ori _arr_reg_8_, $28, 0
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sll $2, $3, 2
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# was: sll _tmp_17_, _size_reg_14_, 2
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addi $2, $2, 4
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# was: addi _tmp_17_, _tmp_17_, 4
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add $28, $28, $2
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# was: add $28, $28, _tmp_17_
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sw $3, 0($16)
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# was: sw _size_reg_14_, 0(_arr_reg_8_)
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addi $3, $16, 4
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# was: addi _addr_reg_15_, _arr_reg_8_, 4
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ori $2, $0, 1
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# was: ori _tmp_reg_16_, $0, 1
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sw $2, 0($3)
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# was: sw _tmp_reg_16_, 0(_addr_reg_15_)
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addi $3, $3, 4
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# was: addi _addr_reg_15_, _addr_reg_15_, 4
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ori $2, $0, 2
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# was: ori _tmp_reg_16_, $0, 2
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sw $2, 0($3)
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# was: sw _tmp_reg_16_, 0(_addr_reg_15_)
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addi $3, $3, 4
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# was: addi _addr_reg_15_, _addr_reg_15_, 4
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ori $2, $0, 3
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# was: ori _tmp_reg_16_, $0, 3
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sw $2, 0($3)
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# was: sw _tmp_reg_16_, 0(_addr_reg_15_)
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addi $3, $3, 4
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# was: addi _addr_reg_15_, _addr_reg_15_, 4
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lw $17, 0($16)
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# was: lw _size_reg_9_, 0(_arr_reg_8_)
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ori $2, $0, 0
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# was: ori _letBind_7_, $0, 0
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addi $16, $16, 4
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# was: addi _arr_reg_8_, _arr_reg_8_, 4
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ori $18, $0, 0
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# was: ori _ind_var_10_, $0, 0
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_loop_beg_12_:
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sub $3, $18, $17
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# was: sub _tmp_reg_11_, _ind_var_10_, _size_reg_9_
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bgez $3, _loop_end_13_
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# was: bgez _tmp_reg_11_, _loop_end_13_
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lw $3, 0($16)
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# was: lw _tmp_reg_11_, 0(_arr_reg_8_)
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addi $16, $16, 4
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# was: addi _arr_reg_8_, _arr_reg_8_, 4
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# ori $2,_letBind_7_,0
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# ori $3,_tmp_reg_11_,0
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jal incr
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# was: jal incr, $2 $3
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# ori _tmp_reg_18_,$2,0
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# ori _letBind_7_,_tmp_reg_18_,0
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addi $18, $18, 1
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# was: addi _ind_var_10_, _ind_var_10_, 1
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j _loop_beg_12_
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_loop_end_13_:
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# ori _tmp_19_,_letBind_7_,0
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ori $16, $2, 0
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# was: ori _mainres_6_, _tmp_19_, 0
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ori $2, $16, 0
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# was: ori $2, _mainres_6_, 0
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jal putint
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# was: jal putint, $2
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ori $2, $16, 0
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# was: ori $2, _mainres_6_, 0
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addi $29, $29, 20
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lw $18, -16($29)
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lw $17, -12($29)
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lw $16, -8($29)
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lw $31, -4($29)
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jr $31
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ord:
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jr $31
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chr:
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andi $2, $2, 255
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jr $31
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putint:
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addi $29, $29, -8
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sw $2, 0($29)
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sw $4, 4($29)
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ori $4, $2, 0
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ori $2, $0, 1
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syscall
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ori $2, $0, 4
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la $4, _space_
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syscall
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lw $2, 0($29)
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lw $4, 4($29)
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addi $29, $29, 8
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jr $31
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getint:
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ori $2, $0, 5
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syscall
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jr $31
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putchar:
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addi $29, $29, -8
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sw $2, 0($29)
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sw $4, 4($29)
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ori $4, $2, 0
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ori $2, $0, 11
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syscall
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ori $2, $0, 4
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la $4, _space_
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syscall
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lw $2, 0($29)
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lw $4, 4($29)
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addi $29, $29, 8
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jr $31
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getchar:
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addi $29, $29, -8
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sw $4, 0($29)
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sw $5, 4($29)
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ori $2, $0, 12
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syscall
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ori $5, $2, 0
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ori $2, $0, 4
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la $4, _cr_
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syscall
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ori $2, $5, 0
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lw $4, 0($29)
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lw $5, 4($29)
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addi $29, $29, 8
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jr $31
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putstring:
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addi $29, $29, -16
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sw $2, 0($29)
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sw $4, 4($29)
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sw $5, 8($29)
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sw $6, 12($29)
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lw $4, 0($2)
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addi $5, $2, 4
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add $6, $5, $4
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ori $2, $0, 11
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putstring_begin:
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sub $4, $5, $6
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bgez $4, putstring_done
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lb $4, 0($5)
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syscall
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addi $5, $5, 1
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j putstring_begin
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putstring_done:
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lw $2, 0($29)
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lw $4, 4($29)
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lw $5, 8($29)
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lw $6, 12($29)
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addi $29, $29, 16
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jr $31
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_RuntimeError_:
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la $4, _ErrMsg_
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ori $2, $0, 4
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syscall
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ori $4, $5, 0
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ori $2, $0, 1
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syscall
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la $4, _colon_space_
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ori $2, $0, 4
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syscall
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ori $4, $6, 0
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ori $2, $0, 4
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syscall
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la $4, _cr_
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ori $2, $0, 4
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syscall
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j _stop_
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.data
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# Fixed strings for I/O
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_ErrMsg_:
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.asciiz "Runtime error at line "
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_colon_space_:
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.asciiz ": "
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_cr_:
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.asciiz "\n"
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_space_:
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.asciiz " "
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# Message strings for specific errors
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_Msg_IllegalArraySize_:
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.asciiz "negative array size"
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_Msg_IllegalIndex_:
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.asciiz "array index out of bounds"
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_Msg_DivZero_:
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.asciiz "division by zero"
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# String Literals
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.align 2
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_true:
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.space 4
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.asciiz "true"
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.align 2
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_false:
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.space 4
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.asciiz "false"
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.align 2
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_heap_:
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.space 100000 |