49 lines
719 B
NASM
49 lines
719 B
NASM
org 0x7c00
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main:
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mov ah, 0
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mov al, 0x13 ; 320x200x8
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int 0x10
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mov ax, 0 ; x
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mov bx, 0 ; y
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mov cl, 0 ; color
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.horiz_loop:
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call putpixel
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inc ax
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inc cl
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cmp ax, 16
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jl .horiz_loop
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mov ax, 0
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inc bx
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cmp bx, 16
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jl .horiz_loop
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cli
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.loop:
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hlt
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jmp .loop
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putpixel:
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push ax
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push bx
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push es
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push di
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imul bx, 320
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add bx, ax
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mov di, bx
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mov ax, 0xA000
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mov es, ax
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mov [es:di], cl
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pop di
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pop es
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pop bx
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pop ax
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ret
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times 510 - ($-$$) db 0
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db 0x55, 0xaa
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