26 lines
506 B
NASM
26 lines
506 B
NASM
[bits 32]
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; defining constants
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VIDEO_MEMORY equ 0xb8000
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WHITE_ON_BLACK equ 0x0f ; color byte
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print_string_pm:
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pusha
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mov edx, VIDEO_MEMORY
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print_string_pm_loop:
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mov al, [ebx] ; [ebx] is address of char
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mov ah, WHITE_ON_BLACK
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cmp al, 0 ; is end of string?
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je print_string_pm_done
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mov [edx], ax ; store char + attribute in video memory
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add ebx, 1 ; next char
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add edx, 2 ; next video memory position
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jmp print_string_pm_loop
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print_string_pm_done:
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popa
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ret |