format PE console
entry main

include 'macro/import32.inc'
include 'macro/proc32.inc'

section '.data' data readable writeable
msg1 db 'Tauras Steponavicius IIF-15',0
msg2 db 'kuri uzdavini norite sprest? (1/2, 3-iseiti)',0
msg4 db 'Iveskite pradines valandas: ',0
msg5 db 'Iveskite pradines minutes: ',0
msg6 db 'Iveskite pradines sekundes: ',0
msg7 db 'Iveskite galines valandas: ',0
msg8 db 'Iveskite galines minutes: ',0
msg9 db 'Iveskite galines sekundes: ',0
msg10 db ' Val ',0
msg11 db ' Min ',0
msg12 db ' Sek ',0
msg3 db 0xa,0
formatas dd '%d',0
msg db '%d ',0
choice dd ?
val1 dd ?
min1 dd ?
sek1 dd ?
val2 dd ?
min2 dd ?
sek2 dd ?
val dd ?
min dd ?
sek dd ?
multi dd ?
space db ',',0

p db "pause>nul",0

section '.code' code readable executable

func1:
push ebp
mov ebp, esp

mov [val], 0
mov [min], 0
mov [sek], 0

push msg4
call [printf]
push val1
push formatas
call [scanf]
push msg5
call [printf]
push min1
push formatas
call [scanf]
push msg6
call [printf]
push sek1
push formatas
call [scanf]

mov eax, [val1]
imul eax, 3600
mov ebx, [min1]
imul ebx, 60
mov ecx, [sek1]
add ecx, eax
add ecx, ebx
mov [sek], ecx

push msg7
call [printf]
push val2
push formatas
call [scanf]
push msg8
call [printf]
push min2
push formatas
call [scanf]
push msg9
call [printf]
push sek2
push formatas
call [scanf]

mov eax, [val2]
imul eax, 3600
mov ebx, [min2]
imul ebx, 60
mov ecx, [sek2]
add ecx, eax
add ecx, ebx
sub [sek], ecx

mov eax, [sek]
mov ebx, [min]
mov ecx, [val]

@minloop:
        cmp eax, 60
        jl @valloop
        sub eax, 60
        mov ebx, [min]
        add ebx, 1
        mov [min], ebx
        jmp @minloop

@valloop:
        cmp ebx, 60
        jl @output
        sub ebx, 60
        mov ecx, [val]
        add ecx, 1
        mov [val], ecx
        jmp @valloop

@output:
        mov [sek], eax
        mov [min], ebx
        mov [val], ecx
        push [val]
        push formatas
        call [printf]
        push msg10
        call [printf]
        push [min]
        push formatas
        call [printf]
        push msg11
        call [printf]
        push [sek]
        push formatas
        call [printf]
        push msg12
        call [printf]


mov esp, ebp
pop ebp
ret

func:
push ebp
mov ebp, esp

push msg1
call [printf]
push msg3
call [printf]

mov esp, ebp
pop ebp
ret

func2:
push ebp
mov ebp, esp

mov eax, -10
@looper:
        cmp eax, 12
        je @endlooper
        mov ebx, eax
        mov [multi], eax
        imul eax, [multi]
        imul eax, [multi]
        imul eax, [multi]
        imul eax, [multi]
        imul eax, 5
        add eax, [multi]
        mov [multi], eax
        push [multi]
        push formatas
        call [printf]
        push msg3
        call [printf]
        add ebx, 2
        mov eax, ebx
        jmp @looper
@endlooper:

mov esp, ebp
pop ebp
ret

funcmenu:
push ebp
mov ebp, esp

@start:
        push msg2
        call [printf]
        push choice
        push formatas
        call [scanf]
        mov eax, [choice]
        cmp eax, 1
        je @func1
        cmp eax, 2
        je @func2
        cmp eax, 3
        je @pab
        jmp @start
@func1:
call func1
jmp @start
@func2:
call func2
jmp @start
call func2
@pab:
mov esp, ebp
pop ebp
ret

main:
call func
call funcmenu

invoke system, p ;Calling function with invoke command
invoke exit, 0

section '.idata' import data readable
library msvcrt,'msvcrt.dll'
import msvcrt,\
printf,'printf',\
scanf, 'scanf',\
system,'system',\
exit,'exit'