my own os in asm

happy os kernel old version

[ORG 0x7C00]          ; BIOS loads bootloader at 0x7C00
[BITS 16]            ; 16-bit real mode

section .text
start:
    cli               ; Disable interrupts
    cld               ; Clear direction flag
    xor ax, ax        ; Zero out registers
    mov ds, ax
    mov es, ax
    mov ss, ax
    mov sp, 0x7C00    ; Set stack pointer
    sti               ; Enable interrupts

    call clear_screen ; Clear screen
    call print_welcome ; Print welcome message
    call set_time     ; Prompt user to set time
    call set_date     ; Prompt user to set date
    call print_prompt ; Print initial prompt

command_loop:
    call read_command ; Read user input
    call process_command ; Process input
    jmp command_loop ; Repeat

; Function to clear the screen
clear_screen:
    mov ah, 0x06
    mov al, 0
    mov bh, 0x02  ; Green text on black background
    mov cx, 0
    mov dh, 24
    mov dl, 79
    int 0x10
    ret

; Function to print welcome message
print_welcome:
    mov si, welcome_msg
    call print_string
    ret

; Function to print prompt
print_prompt:
    mov si, prompt_msg
    call print_string
    ret

; Function to process command
process_command:
    mov si, buffer
    mov di, cmd_clear
    call strcmp
    jz clear_screen

    mov si, buffer
    mov di, cmd_poke
    call strcmp
    jz basic_poke

    mov si, buffer
    mov di, cmd_peek
    call strcmp
    jz basic_peek

    mov si, buffer
    mov di, cmd_time
    call strcmp
    jz show_time

    mov si, buffer
    mov di, cmd_date
    call strcmp
    jz show_date

    mov si, buffer
    mov di, cmd_randcolor
    call strcmp
    jz randomize_color

    ret

; Function to prompt for date
set_date:
    mov si, set_date_msg
    call print_string
    call read_command
    mov si, buffer
    call strcpy
    ret

; Function to show stored date
show_date:
    mov si, date_msg
    call print_string
    mov si, buffer
    call print_string
    call display_season_icon
    ret

; Display season icon based on month
; Assumes date stored as MM/DD
display_season_icon:
    mov si, buffer
    lodsb             ; Get first digit of month
    sub al, '0'
    imul al, 10
    lodsb
    sub al, '0'
    add al, ah       ; Convert MM to integer

    cmp al, 3
    jl .winter       ; January-February
    cmp al, 6
    jl .spring       ; March-May
    cmp al, 9
    jl .summer       ; June-August
    cmp al, 12
    jl .fall         ; September-November
    jmp .winter      ; December

.spring:
    mov si, spring_icon
    jmp .print_icon
.summer:
    mov si, summer_icon
    jmp .print_icon
.fall:
    mov si, fall_icon
    jmp .print_icon
.winter:
    mov si, winter_icon
    jmp .print_icon

.print_icon:
    call print_string
    ret

; Data section
data:
welcome_msg db 'Welcome to Happy OS', 0
set_time_msg db 'Set time (HH:MM): ', 0
set_date_msg db 'Set date (MM/DD): ', 0
time_msg db 'Current Time: ', 0
date_msg db 'Current Date: ', 0
spring_icon db ' *', 0
summer_icon db ' ^', 0
fall_icon db ' %', 0
winter_icon db ' #', 0
basic_msg db 'Entering BASIC mode. Supported: PRINT, GOTO, INPUT, LET, IF, FOR, RND, TIMER, SOUND, DICE, TIME, DATE, POKE, PEEK, RANDCOLOR, END', 0
prompt_msg db 'Simple Kernel> ', 0
cmd_clear db 'clear', 0
cmd_poke db 'POKE ', 0
cmd_peek db 'PEEK ', 0
cmd_time db 'TIME', 0
cmd_date db 'DATE', 0
cmd_randcolor db 'RANDCOLOR', 0
num_buffer times 6 db 0
buffer times 64 db 0
date_buffer times 10 db 0
exec_buffer times 256 db 0
basic_program times 512 db 0

times 510-($-$$) db 0
    dw 0xAA55  ; Boot signature
    ;Brogan-Guthrie
;edit-how-much-you-want-and-like-becuase-its-underneth-the-GNU-General-License-version-2-(GPLv2)-copyright

32 bit version soon :)

now its 32 bit on its own page