.text 0x00400000 .globl main la $28, _heap_ la $4, _true # was: la _true_addr, _true ori $3, $0, 4 # was: ori _true_init, $0, 4 sw $3, 0($4) # was: sw _true_init, 0(_true_addr) la $3, _false # was: la _false_addr, _false ori $4, $0, 5 # was: ori _false_init, $0, 5 sw $4, 0($3) # was: sw _false_init, 0(_false_addr) jal main _stop_: ori $2, $0, 10 syscall # Function main main: sw $31, -4($29) sw $16, -8($29) addi $29, $29, -12 jal getint # was: jal getint, $2 # ori _letBind_2_,$2,0 ori $3, $2, 0 # was: ori _plus_L_6_, _letBind_2_, 0 ori $2, $0, 2 # was: ori _plus_R_7_, $0, 2 add $2, $3, $2 # was: add _mult1_L_4_, _plus_L_6_, _plus_R_7_ ori $3, $0, 0 # was: ori _mult2_R_5_, $0, 0 mul $16, $2, $3 # was: mul _letBind_3_, _mult1_L_4_, _mult2_R_5_ # ori _tmp_8_,_letBind_3_,0 # ori _mainres_1_,_tmp_8_,0 ori $2, $16, 0 # was: ori $2, _mainres_1_, 0 jal putint # was: jal putint, $2 ori $2, $16, 0 # was: ori $2, _mainres_1_, 0 addi $29, $29, 12 lw $16, -8($29) lw $31, -4($29) jr $31 ord: jr $31 chr: andi $2, $2, 255 jr $31 putint: addi $29, $29, -8 sw $2, 0($29) sw $4, 4($29) ori $4, $2, 0 ori $2, $0, 1 syscall ori $2, $0, 4 la $4, _space_ syscall lw $2, 0($29) lw $4, 4($29) addi $29, $29, 8 jr $31 getint: ori $2, $0, 5 syscall jr $31 putchar: addi $29, $29, -8 sw $2, 0($29) sw $4, 4($29) ori $4, $2, 0 ori $2, $0, 11 syscall ori $2, $0, 4 la $4, _space_ syscall lw $2, 0($29) lw $4, 4($29) addi $29, $29, 8 jr $31 getchar: addi $29, $29, -8 sw $4, 0($29) sw $5, 4($29) ori $2, $0, 12 syscall ori $5, $2, 0 ori $2, $0, 4 la $4, _cr_ syscall ori $2, $5, 0 lw $4, 0($29) lw $5, 4($29) addi $29, $29, 8 jr $31 putstring: addi $29, $29, -16 sw $2, 0($29) sw $4, 4($29) sw $5, 8($29) sw $6, 12($29) lw $4, 0($2) addi $5, $2, 4 add $6, $5, $4 ori $2, $0, 11 putstring_begin: sub $4, $5, $6 bgez $4, putstring_done lb $4, 0($5) syscall addi $5, $5, 1 j putstring_begin putstring_done: lw $2, 0($29) lw $4, 4($29) lw $5, 8($29) lw $6, 12($29) addi $29, $29, 16 jr $31 _RuntimeError_: la $4, _ErrMsg_ ori $2, $0, 4 syscall ori $4, $5, 0 ori $2, $0, 1 syscall la $4, _colon_space_ ori $2, $0, 4 syscall ori $4, $6, 0 ori $2, $0, 4 syscall la $4, _cr_ ori $2, $0, 4 syscall j _stop_ .data # Fixed strings for I/O _ErrMsg_: .asciiz "Runtime error at line " _colon_space_: .asciiz ": " _cr_: .asciiz "\n" _space_: .asciiz " " # Message strings for specific errors _Msg_IllegalArraySize_: .asciiz "negative array size" _Msg_IllegalIndex_: .asciiz "array index out of bounds" _Msg_DivZero_: .asciiz "division by zero" # String Literals .align 2 _true: .space 4 .asciiz "true" .align 2 _false: .space 4 .asciiz "false" .align 2 _heap_: .space 100000