{"id":6082,"date":"2026-06-27T11:30:07","date_gmt":"2026-06-27T02:30:07","guid":{"rendered":"https:\/\/www.freelifemakers.org\/wordpress\/?p=6082"},"modified":"2026-06-27T14:17:59","modified_gmt":"2026-06-27T05:17:59","slug":"os-minios-6","status":"publish","type":"post","link":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/2026\/06\/27\/os-minios-6\/","title":{"rendered":"[OS]miniOS-6"},"content":{"rendered":"\n

\ud83d\udc49\ufe0f \uadf8\ub798\ud53d \ubaa8\ub4dc \uc804\ud658\ub85c \uc804\ud658\ud558\uace0 \ud654\uba74\uc5d0 \ub178\ub780\uc0c9 \uc0ac\uac01\ud615\uc744 \ud45c\uc2dc\ud569\ub2c8\ub2e4.
Switch to graphics mode and display a yellow rectangle on the screen.<\/p>\n\n\n\n

\ud83d\udc49\ufe0f \uc804\uccb4\ucf54\ub4dc \/ full code<\/p>\n\n\n\n

\u2714\ufe0f boot.asm<\/p>\n\n\n\n

[org 0x7c00]\nbits 16\n\nstart:\n    ; \ub370\uc774\ud130 \uc138\uadf8\uba3c\ud2b8 \ub808\uc9c0\uc2a4\ud130 \ucd08\uae30\ud654\n    ; Initialize data segment registers\n    mov ax, 0\n    mov ds, ax\n    mov es, ax\n\n    ; ----------------------------------------------------\n    ; BIOS \uc778\ud130\ub7fd\ud2b8\ub97c \uc774\uc6a9\ud574 320x200 256\uc0c9 \uadf8\ub798\ud53d \ubaa8\ub4dc\ub85c \uc804\ud658\n    ; Switch to 320x200 256-color graphic mode using BIOS interrupt\n    ; ----------------------------------------------------\n    mov ah, 0x00        ; \ud654\uba74 \ubaa8\ub4dc \uc124\uc815 \uae30\ub2a5 \uc120\ud0dd\n                        ; Select screen mode set function\n    mov al, 0x13        ; 320x200 256\uc0c9 \uadf8\ub798\ud53d \ubaa8\ub4dc \ubc88\ud638 (Mode 13h)\n                        ; 320x200 256-color graphic mode number (Mode 13h)\n    int 0x10            ; \ube44\ub514\uc624 \uc778\ud130\ub7fd\ud2b8 \ud638\ucd9c -> \ud654\uba74\uc774 \uac80\uc740\uc0c9 \uadf8\ub798\ud53d \ucc3d\uc73c\ub85c \uc804\ud658\ub428\n                        ; Call video interrupt -> Screen switches to a black graphic window\n\n    ; \ub514\uc2a4\ud06c \uc77d\uae30 (2\ubc88 \uc139\ud130\ubd80\ud130 1\uac1c \uc139\ud130\ub97c 0x8000\uc5d0 \ub85c\ub4dc)\n    ; Disk read (Load 1 sector from sector 2 into memory 0x8000)\n    mov ah, 0x02\n    mov al, 1\n    mov ch, 0\n    mov cl, 2\n    mov dh, 0\n    mov bx, 0x8000\n    int 0x13\n\n    ; \ub514\uc2a4\ud06c \uc77d\uae30 \uc2e4\ud328 \uc2dc \uc5d0\ub7ec \ucc98\ub9ac\n    ; Error handling if disk read fails\n    jc disk_error\n\n    ; \ub85c\ub4dc\ub41c 2\ubc88 \uc139\ud130 \ucf54\ub4dc\ub85c \uc810\ud504\ud558\uc5ec \uc2e4\ud589\n    ; Jump to the loaded sector 2 code and execute\n    jmp 0x8000\n\ndisk_error:\n    ; \uc5d0\ub7ec \ubc1c\uc0dd \uc2dc \uc2dc\uc2a4\ud15c \uba48\ucda4 (\uadf8\ub798\ud53d \ubaa8\ub4dc\uc774\ubbc0\ub85c \ud14d\uc2a4\ud2b8 \ucd9c\ub825\uc740 \uc77c\ub2e8 \uc0dd\ub7b5)\n    ; System hang on error (Text print is omitted for now since it is in graphic mode)\n    jmp hang\n\nhang:\n    jmp $\n\n; 1\ubc88 \uc139\ud130(MBR) \ube48 \uacf5\uac04\uc744 0\uc73c\ub85c \ucc44\uc6b0\uace0 \ubd80\ud2b8 \uc2dc\uadf8\ub2c8\ucc98 \ucd94\uac00\n; Fill remaining space of sector 1 (MBR) with 0 and add boot signature\ntimes 510 - ($ - $$) db 0\ndw 0xaa55\n<\/code><\/pre>\n\n\n\n
\u2714\ufe0f sector2.asm<\/p>\n\n\n\n
[org 0x8000]\nbits 16\n\nstart:\n    ; ----------------------------------------------------\n    ; \ub8e8\ud504(\ubc18\ubcf5\ubb38)\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud654\uba74\uc5d0 \ud07c\uc9c1\ud55c \uc0ac\uac01\ud615 \uadf8\ub9ac\uae30\n    ; Draw a large rectangle on the screen using loops\n    ; ----------------------------------------------------\n    \n    ; \uc0ac\uac01\ud615\uc744 \uadf8\ub9ac\uae30 \uc704\ud55c \uc2dc\uc791 \uc88c\ud45c \ubc0f \ud06c\uae30 \uc124\uc815\n    ; Set starting coordinates and size for drawing the rectangle\n    ; \uc2dc\uc791 \uc704\uce58(Starting position): X=100, Y=50\n    ; \uc0ac\uac01\ud615 \ud06c\uae30(Size): \uac00\ub85c(Width)=50, \uc138\ub85c(Height)=30\n\n    mov dx, 50          ; Y \uc88c\ud45c\uc758 \uc2dc\uc791\uac12 \uc124\uc815 (\uc138\ub85c)\n                        ; Set the starting value of the Y coordinate (Row)\n\ndraw_row_loop:\n    mov cx, 100         ; \uc0c8 \ud589(Row)\uc744 \uc2dc\uc791\ud560 \ub54c\ub9c8\ub2e4 X \uc88c\ud45c\ub97c \ub2e4\uc2dc 100\uc73c\ub85c \ucd08\uae30\ud654 (\uac00\ub85c)\n                        ; Reset X coordinate to 100 whenever starting a new row (Column)\n\ndraw_col_loop:\n    ; BIOS \uc778\ud130\ub7fd\ud2b8\ub97c \uc0ac\uc6a9\ud574 \ud604\uc7ac CX, DX \uc704\uce58\uc5d0 \uc810 \ucc0d\uae30\n    ; Draw a pixel at the current CX, DX position using BIOS interrupt\n    mov ah, 0x0c        ; \ud53d\uc140 \uc4f0\uae30 \uae30\ub2a5\n                        ; Write graphics pixel function\n    mov al, 14          ; \uc0c9\uc0c1 \ubc88\ud638 (14 = \ub178\ub780\uc0c9)\n                        ; Color number (14 = Yellow)\n    mov bh, 0           ; \ud398\uc774\uc9c0 \ubc88\ud638 0\n                        ; Page number 0\n    int 0x10            ; \ud53d\uc140 \ucd9c\ub825\n                        ; Output pixel\n\n    inc cx              ; X \uc88c\ud45c\ub97c \uc624\ub978\ucabd\uc73c\ub85c 1\uce78 \uc774\ub3d9\n                        ; Move X coordinate 1 pixel to the right\n    cmp cx, 150         ; \uac00\ub85c \uae38\uc774\uac00 50\ud53d\uc140\uc774 \ub418\uc5c8\ub294\uc9c0 \ud655\uc778 (100 + 50)\n                        ; Check if the width reached 50 pixels (100 + 50)\n    jl draw_col_loop    ; 150\ubcf4\ub2e4 \uc791\uc73c\uba74 \uacc4\uc18d \uac00\ub85c\ub85c \uc810 \ucc0d\uae30\n                        ; If less than 150, keep drawing pixels horizontally\n\n    ; \uac00\ub85c \ud55c \uc904\uc744 \ub2e4 \ucc44\uc6e0\uc73c\uba74 \ub2e4\uc74c \uc904(\uc138\ub85c)\ub85c \uc774\ub3d9\n    ; Move to the next line (vertically) once a horizontal row is fully drawn\n    inc dx              ; Y \uc88c\ud45c\ub97c \uc544\ub798\ub85c 1\uce78 \uc774\ub3d9\n                        ; Move Y coordinate 1 pixel down\n    cmp dx, 80          ; \uc138\ub85c \ub192\uc774\uac00 30\ud53d\uc140\uc774 \ub418\uc5c8\ub294\uc9c0 \ud655\uc778 (50 + 30)\n                        ; Check if the height reached 30 pixels (50 + 30)\n    jl draw_row_loop    ; 80\ubcf4\ub2e4 \uc791\uc73c\uba74 \ub2e4\uc74c \uc904\ub85c \ub118\uc5b4\uac00\uc11c \ub2e4\uc2dc \uac00\ub85c \ub8e8\ud504 \uc2e4\ud589\n                        ; If less than 80, go to the next row and run the horizontal loop again\n\n    ; \uc0ac\uac01\ud615 \uadf8\ub9ac\uae30\uac00 \ub05d\ub098\uba74 \ubb34\ud55c \ub8e8\ud504\ub85c \ub300\uae30\n    ; Infinite loop waiting after rectangle drawing is finished\n    jmp $\n\n; 512\ubc14\uc774\ud2b8 \ud06c\uae30 \ub9de\ucd94\uae30\n; Fill up to 512 bytes\ntimes 512 - ($ - $$) db 0\n<\/code><\/pre>\n\n\n\n
\ud83d\udc49\ufe0f \ucef4\ud30c\uc77c \/ compiling<\/p>\n\n\n\n
nasm -f bin boot.asm -o boot.bin\nnasm -f bin sector2.asm -o sector2.bin\ncat boot.bin sector2.bin > temp.bin\ndd if=temp.bin of=os.img bs=512 count=2880 conv=sync\nqemu-system-x86_64 -drive file=os.img,format=raw,if=floppy -boot a\n<\/code><\/pre>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\n\n\n\n
\ud83d\udc49\ufe0f \ucf54\ub4dc\uc124\uba85 \/ Code Explanation<\/p>\n\n\n\n
\u2714\ufe0f boot.asm<\/p>\n\n\n\n
–\ub370\uc774\ud130 \uc138\uadf8\uba3c\ud2b8 \ub808\uc9c0\uc2a4\ud130 \ucd08\uae30\ud654
Initialize data segment registers<\/p>\n\n\n\n
start:\n    ; \ub370\uc774\ud130 \uc138\uadf8\uba3c\ud2b8 \ub808\uc9c0\uc2a4\ud130 \ucd08\uae30\ud654\n    ; Initialize data segment registers\n    mov ax, 0\n    mov ds, ax\n    mov es, ax<\/code><\/pre>\n\n\n\n
1) \uc704\uc758 \ucf54\ub4dc\ub294 \ucd08\uae30\ud654\ub9cc \ud558\uace0 \ucf54\ub4dc\uac00 \uc0ac\uc6a9\ub418\ub294 \ubd80\ubd84\uc774 \uc5c6\uc2b5\ub2c8\ub2e4.
The code above only performs initialization; there is no part of the code where it is actually used.<\/p>\n\n\n\n
2) \ud558\uc9c0\ub9cc \uc774 \ucd08\uae30\ud654 \ucf54\ub4dc\uac00 \uc5c6\uc73c\uba74 \ubc14\ub85c \uc544\ub798\uc5d0 \uc788\ub294 \ub514\uc2a4\ud06c \uc77d\uae30 \uba85\ub839\uc5b4(int 0x13)\uac00 \uc791\ub3d9\ud558\uc9c0 \uc54a\uace0 \uc5d0\ub7ec\uac00 \ubc1c\uc0dd\ud558\uac8c \ub429\ub2c8\ub2e4.
However, without this initialization code, the disk read command (int 0x13) immediately below it will not work and will result in an error.<\/p>\n\n\n\n
3) \uc544\ub798 \ucf54\ub4dc\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uba54\ubaa8\ub9ac 0x8000\uc5d0 \uc800\uc7a5\ud558\ub77c\uace0 bx \ub808\uc9c0\uc2a4\ud130\ub9cc \uc124\uc815\ud574 \uc8fc\uc5c8\uc2b5\ub2c8\ub2e4.
In the code below, I only configured the bx register to store data at memory address 0x8000.<\/p>\n\n\n\n
4) \ud558\uc9c0\ub9cc BIOS\uc758 \ub514\uc2a4\ud06c \uc77d\uae30 \uae30\ub2a5\uc740 \ubb34\uc870\uac74 es\uc640 bx \ub450 \ub808\uc9c0\uc2a4\ud130\ub97c \ud569\uce5c \uc8fc\uc18c(es:bx)\ub97c \ubaa9\uc801\uc9c0\ub85c \uc778\uc2dd\ud558\ub3c4\ub85d \ud558\ub4dc\uc6e8\uc5b4 \uaddc\uce59\uc774 \uc815\ud574\uc838 \uc788\uc2b5\ub2c8\ub2e4.
However, hardware rules dictate that the BIOS disk read function must treat the address formed by combining the es and bx registers (es:bx) as the destination.<\/p>\n\n\n\n
5) \uadf8\ub798\uc11c \uc4f0\ub808\uae30 \uac12\uc774 \ub4e4\uc5b4\uc788\uc9c0 \uc54a\uac8c \ucd08\uae30\ud654\uac00 \ubc18\ub4dc\uc2dc \ud544\uc694\ud569\ub2c8\ub2e4.
Therefore, initialization is essential to ensure it does not contain garbage values.<\/p>\n\n\n\n
1) \uc704\uc758 \ucf54\ub4dc\ub294 \ucd08\uae30\ud654\ub9cc \ud558\uace0  \ucf54\ub4dc\uac00 \uc0ac\uc6a9\ub418\ub294 \ubd80\ubd84\uc774 \uc5c6\uc2b5\ub2c8\ub2e4.
The code above only performs initialization; there is no part of the code where it is actually used.<\/p>\n\n\n\n
2) \ud558\uc9c0\ub9cc \uc774 \ucd08\uae30\ud654 \ucf54\ub4dc\uac00 \uc5c6\uc73c\uba74 \ubc14\ub85c \uc544\ub798\uc5d0 \uc788\ub294 \ub514\uc2a4\ud06c \uc77d\uae30 \uba85\ub839\uc5b4(int 0x13)\uac00 \uc791\ub3d9\ud558\uc9c0 \uc54a\uace0 \uc5d0\ub7ec\uac00 \ubc1c\uc0dd\ud558\uac8c \ub429\ub2c8\ub2e4.
However, without this initialization code, the disk read command (int 0x13) immediately below it will not work and will result in an error.<\/p>\n\n\n\n
3) \uc544\ub798 \ucf54\ub4dc\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uba54\ubaa8\ub9ac 0x8000\uc5d0 \uc800\uc7a5\ud558\ub77c\uace0 bx \ub808\uc9c0\uc2a4\ud130\ub9cc \uc124\uc815\ud574 \uc8fc\uc5c8\uc2b5\ub2c8\ub2e4.
In the code below, I only configured the bx register to store data at memory address 0x8000.<\/p>\n\n\n\n
4) \ud558\uc9c0\ub9cc BIOS\uc758 \ub514\uc2a4\ud06c \uc77d\uae30 \uae30\ub2a5\uc740 \ubb34\uc870\uac74 es\uc640 bx \ub450 \ub808\uc9c0\uc2a4\ud130\ub97c \ud569\uce5c \uc8fc\uc18c(es:bx)\ub97c \ubaa9\uc801\uc9c0\ub85c \uc778\uc2dd\ud558\ub3c4\ub85d \ud558\ub4dc\uc6e8\uc5b4 \uaddc\uce59\uc774 \uc815\ud574\uc838 \uc788\uc2b5\ub2c8\ub2e4.
However, hardware rules dictate that the BIOS disk read function must treat the address formed by combining the es<\/code> and bx<\/code> registers (es:bx<\/code>) as the destination.<\/p>\n\n\n\n
5) \uadf8\ub798\uc11c \uc4f0\ub808\uae30 \uac12\uc774 \ub4e4\uc5b4\uc788\uc9c0 \uc54a\uac8c \ucd08\uae30\ud654\uac00 \ubc18\ub4dc\uc2dc \ud544\uc694\ud569\ub2c8\ub2e4.
Therefore, initialization is essential to ensure it does not contain garbage values.<\/p>\n\n\n\n
mov bx, 0x8000\nint 0x13<\/code><\/pre>\n\n\n\n
— \uadf8\ub798\ud53d \ubaa8\ub4dc \uc804\ud658
Switch Graphics Mode<\/p>\n\n\n\n
1) \uc774 \ubd80\ubd84\uc774 \uc2e4\uc81c\ub85c \uadf8\ub798\ud53d \ubaa8\ub4dc\ub85c \uc804\ud658\ud558\ub294 \ubd80\ubd84\uc785\ub2c8\ub2e4.
This is the part where it actually switches to graphics mode.<\/p>\n\n\n\n
    mov ah, 0x00        ; \ud654\uba74 \ubaa8\ub4dc \uc124\uc815 \uae30\ub2a5 \uc120\ud0dd\n                        ; Select screen mode set function\n    mov al, 0x13        ; 320x200 256\uc0c9 \uadf8\ub798\ud53d \ubaa8\ub4dc \ubc88\ud638 (Mode 13h)\n                        ; 320x200 256-color graphic mode number (Mode 13h)\n    int 0x10            ; \ube44\ub514\uc624 \uc778\ud130\ub7fd\ud2b8 \ud638\ucd9c -> \ud654\uba74\uc774 \uac80\uc740\uc0c9 \uadf8\ub798\ud53d \ucc3d\uc73c\ub85c \uc804\ud658\ub428\n                        ; Call video interrupt -> Screen switches to a black graphic window<\/code><\/pre>\n\n\n\n
— \ub098\uba38\uc9c0 \ucf54\ub4dc\ub294 \uae30\uc874 \ucf54\ub4dc\uc640 \ub3d9\uc77c\ud569\ub2c8\ub2e4.
The rest of the code is identical to the existing code.<\/p>\n\n\n\n
— \ub370\uc774\ud130 \uc77d\uc5b4\uc640 \uba54\ubaa8\ub9ac\uc5d0 \uc800\uc7a5\ud558\uae30,\uc5d0\ub7ec\ucc98\ub9ac,\ubd80\ud2b8\uc2dc\uadf8\ub2c8\ucc98 \ucd94\uac00
Reading data and storing it in memory, error handling, and adding a boot signature.<\/p>\n\n\n\n
\n\n\n\n
 \u2714\ufe0f sector2.asm<\/p>\n\n\n\n
\ud83d\udc4f \ubaa8\ub2c8\ud130 \uc88c\ud45c\ub294 \uc88c\uce21 \uc0c1\ub2e8\uc774 0.0\uc774\uace0 \uc624\ub978\ucabd\uc73c\ub85c \uc774\ub3d9\ud560 \uc218\ub85d \uc544\ub798\ub85c \uc774\ub3d9\ud560 \uc218\ub85d \uac12\uc774 \ucee4\uc9d1\ub2c8\ub2e4.
For monitor coordinates, the top-left corner is (0, 0), and the values \u200b\u200bincrease as you move to the right or downward.<\/p>\n\n\n\n
— \uc704\uc5d0\uc11c \uc544\ub798\ub85c 50\ubc88\uc9f8 \ud53d\uc140(\uc810) \uc704\uce58\uc758 \uc904\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.
It refers to the line located at the 50th pixel (dot) position from the top.<\/p>\n\n\n\n
    mov dx, 50          ; Y \uc88c\ud45c\uc758 \uc2dc\uc791\uac12 \uc124\uc815 (\uc138\ub85c)\n                        ; Set the starting value of the Y coordinate (Row)<\/code><\/pre>\n\n\n\n
— \uc67c\ucabd\uc5d0\uc11c \uc624\ub978\ucabd\uc73c\ub85c 100\ud53d\uc140 \ub5a8\uc5b4\uc9c4 \uc704\uce58\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.
It refers to a position 100 pixels away from the left.<\/p>\n\n\n\n
draw_row_loop:\n    mov cx, 100         ; \uc0c8 \ud589(Row)\uc744 \uc2dc\uc791\ud560 \ub54c\ub9c8\ub2e4 X \uc88c\ud45c\ub97c \ub2e4\uc2dc 100\uc73c\ub85c \ucd08\uae30\ud654 (\uac00\ub85c)\n                        ; Reset X coordinate to 100 whenever starting a new row (Column)<\/code><\/pre>\n\n\n\n
— 1\ud53d\uc140\uc529 \uc810\uc744 \ucc0d\uc2b5\ub2c8\ub2e4.
Place dots one pixel at a time.<\/p>\n\n\n\n
— 50\ud53d\uc140\uc758 \uc810\uc744 1\ud53d\uc140\uc529 \ub2e4 \ucc0d\uc73c\uba74 \ub2e4\uc74c \uc904\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.
After plotting 50 dots one pixel at a time, it moves to the next line.<\/p>\n\n\n\n
draw_col_loop:\n    ; BIOS \uc778\ud130\ub7fd\ud2b8\ub97c \uc0ac\uc6a9\ud574 \ud604\uc7ac CX, DX \uc704\uce58\uc5d0 \uc810 \ucc0d\uae30\n    ; Draw a pixel at the current CX, DX position using BIOS interrupt\n    mov ah, 0x0c        ; \ud53d\uc140 \uc4f0\uae30 \uae30\ub2a5\n                        ; Write graphics pixel function\n    mov al, 14          ; \uc0c9\uc0c1 \ubc88\ud638 (14 = \ub178\ub780\uc0c9)\n                        ; Color number (14 = Yellow)\n    mov bh, 0           ; \ud398\uc774\uc9c0 \ubc88\ud638 0\n                        ; Page number 0\n    int 0x10            ; \ud53d\uc140 \ucd9c\ub825\n                        ; Output pixel\n\n    inc cx              ; X \uc88c\ud45c\ub97c \uc624\ub978\ucabd\uc73c\ub85c 1\uce78 \uc774\ub3d9\n                        ; Move X coordinate 1 pixel to the right\n    cmp cx, 150         ; \uac00\ub85c \uae38\uc774\uac00 50\ud53d\uc140\uc774 \ub418\uc5c8\ub294\uc9c0 \ud655\uc778 (100 + 50)\n                        ; Check if the width reached 50 pixels (100 + 50)\n    jl draw_col_loop    ; 150\ubcf4\ub2e4 \uc791\uc73c\uba74 \uacc4\uc18d \uac00\ub85c\ub85c \uc810 \ucc0d\uae30\n                        ; If less than 150, keep drawing pixels horizontally<\/code><\/pre>\n\n\n\n
— dx50\uc5d0\uc11c 1\ud53d\uc140\uc774 \uc99d\uac00(inc dx)\ud558\uba74 Y\uac12\uc774 51\uc774 \ub429\ub2c8\ub2e4.
If dx50 increases by 1 pixel (inc dx), the Y value becomes 51.<\/p>\n\n\n\n
— \uc989 \ub2e4\uc74c \uc904\ubd80\ud130 \uc810\uc744 \ucc0d\uc2b5\ub2c8\ub2e4.(X:100,Y:51)
In other words, start plotting points from the next line (X:100, Y:51).<\/p>\n\n\n\n
— \uc138\ub85c \ud06c\uae30\uac00 30\ud53d\uc140\uc778 \uc0ac\uac01\ud615\uc758 \uc810\uc744 \ub2e4 \ucc0d\uc73c\uba74 \ub8e8\ud504\ub97c \ube60\uc838\ub098\uac11\ub2c8\ub2e4.
The loop exits once all the points of the 30-pixel-high rectangle have been plotted.<\/p>\n\n\n\n
— \uadf8\ub7fc \uac00\ub85c 50\ud53d\uc140 \uc138\ub85c 30\ud53d\uc140\uc778 \ub178\ub780\uc0c9 \uc0ac\uac01\ud615\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. 
Then, you will see a yellow rectangle that is 50 pixels wide and 30 pixels high.<\/p>\n\n\n\n
— dx50\uc5d0\uc11c 1\ud53d\uc140\uc774 \uc99d\uac00(inc dx)\ud558\uba74 Y\uac12\uc774 51\uc774 \ub429\ub2c8\ub2e4.
If dx50 increases by 1 pixel (inc dx), the Y value becomes 51.<\/p>\n\n\n\n
— \uc989 \ub2e4\uc74c \uc904\ubd80\ud130 \uc810\uc744 \ucc0d\uc2b5\ub2c8\ub2e4.(X:100,Y:51)
In other words, start plotting points from the next line (X:100, Y:51).<\/p>\n\n\n\n
— \uc138\ub85c \ud06c\uae30\uac00 30\ud53d\uc140\uc778 \uc0ac\uac01\ud615\uc758 \uc810\uc744 \ub2e4 \ucc0d\uc73c\uba74 \ub8e8\ud504\ub97c \ube60\uc838\ub098\uac11\ub2c8\ub2e4.
The loop exits once all the points of the 30-pixel-high rectangle have been plotted.<\/p>\n\n\n\n
— \uadf8\ub7fc \uac00\ub85c 50\ud53d\uc140 \uc138\ub85c 30\ud53d\uc140\uc778 \ub178\ub780\uc0c9 \uc0ac\uac01\ud615\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. 
Then, you will see a yellow rectangle that is 50 pixels wide and 30 pixels high.<\/p>\n\n\n\n
    ; \uac00\ub85c \ud55c \uc904\uc744 \ub2e4 \ucc44\uc6e0\uc73c\uba74 \ub2e4\uc74c \uc904(\uc138\ub85c)\ub85c \uc774\ub3d9\n    ; Move to the next line (vertically) once a horizontal row is fully drawn\n    inc dx              ; Y \uc88c\ud45c\ub97c \uc544\ub798\ub85c 1\uce78 \uc774\ub3d9\n                        ; Move Y coordinate 1 pixel down\n    cmp dx, 80          ; \uc138\ub85c \ub192\uc774\uac00 30\ud53d\uc140\uc774 \ub418\uc5c8\ub294\uc9c0 \ud655\uc778 (50 + 30)\n                        ; Check if the height reached 30 pixels (50 + 30)\n    jl draw_row_loop    ; 80\ubcf4\ub2e4 \uc791\uc73c\uba74 \ub2e4\uc74c \uc904\ub85c \ub118\uc5b4\uac00\uc11c \ub2e4\uc2dc \uac00\ub85c \ub8e8\ud504 \uc2e4\ud589\n                        ; If less than 80, go to the next row and run the horizontal loop again\n\n    ; \uc0ac\uac01\ud615 \uadf8\ub9ac\uae30\uac00 \ub05d\ub098\uba74 \ubb34\ud55c \ub8e8\ud504\ub85c \ub300\uae30\n    ; Infinite loop waiting after rectangle drawing is finished\n    jmp $<\/code><\/pre>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\ud83d\udc49\ufe0f \uadf8\ub798\ud53d \ubaa8\ub4dc \uc804\ud658\ub85c \uc804\ud658\ud558\uace0 \ud654\uba74\uc5d0 \ub178\ub780\uc0c9 \uc0ac\uac01\ud615\uc744 \ud45c\uc2dc\ud569\ub2c8\ub2e4.Switch to graphics mode and display a yellow rectangle on the screen. \ud83d\udc49\ufe0f \uc804\uccb4\ucf54\ub4dc \/ full code \u2714\ufe0f boot.asm \u2714\ufe0f sector2.asm \ud83d\udc49\ufe0f \ucef4\ud30c\uc77c \/ compiling \ud83d\udc49\ufe0f \ucf54\ub4dc\uc124\uba85 \/ Code Explanation \u2714\ufe0f boot.asm –\ub370\uc774\ud130 \uc138\uadf8\uba3c\ud2b8 \ub808\uc9c0\uc2a4\ud130 \ucd08\uae30\ud654Initialize data segment registers 1) \uc704\uc758 \ucf54\ub4dc\ub294 \ucd08\uae30\ud654\ub9cc \ud558\uace0 \ucf54\ub4dc\uac00 \uc0ac\uc6a9\ub418\ub294 \ubd80\ubd84\uc774 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,1],"tags":[],"class_list":["post-6082","post","type-post","status-publish","format-standard","hentry","category-os","category-uncategorized","missing-thumbnail"],"_links":{"self":[{"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/6082","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/comments?post=6082"}],"version-history":[{"count":7,"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/6082\/revisions"}],"predecessor-version":[{"id":6091,"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/6082\/revisions\/6091"}],"wp:attachment":[{"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/media?parent=6082"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/categories?post=6082"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/tags?post=6082"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}