undar-lang/test/loop.ul.ir

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global str terminal_namespace = "/dev/term/0"
global str prompt = "Enter a string:"
global str new_line = "\n"
function main ()
real a $0
int i $1
int mode $11
str term $10
load_immediate 5.0 -> a
load_immediate 5000 -> i
load_immediate 0 -> $2
load_immediate -1 -> $3
load_immediate 5.0 -> $5
loop loop_body
add_real a $5 -> a
add_int i $3 -> i
jump_ge_int loop_body i $2
load_immediate terminal_namespace -> term
load_immediate 0 -> mode
syscall OPEN term mode -> term // Terminal term = open("/dev/term/0", 0);
nat b $1
real_to_nat a -> b
load_immediate prompt -> $7
string_length $7 -> $8
syscall WRITE term $7 $8 // print prompt
str user_string $9
load_immediate 32 -> $8
malloc $8 -> user_string
syscall READ term user_string $8 // read in max 32 byte string
call pln user_string -> void
nat_to_string b -> $4
call pln $4 -> void
real_to_string a -> $3
call pln $3 -> void
exit 0
function pln (str message $0)
str ts $1
int mode $5
int msg_length $2
str nl $3
int nl_length $4
load_immediate terminal_namespace -> ts
load_immediate 0 -> mode
syscall OPEN ts mode -> ts
strlen message -> msg_length
syscall WRITE ts message msg_length
load_immediate new_line -> nl
strlen nl -> nl_length
syscall WRITE ts nl nl_length
return