deadvey
07932e2ce0
I forgot to commit for a while and I haven't done much, but got the very basics of the game pong working. Signed-off-by: deadvey <deadvey@deadvey.com>
54 lines
612 B
NASM
54 lines
612 B
NASM
os_set_graphics_mode:
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pusha
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mov ah, 00h
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mov al, 13h
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int 10h
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popa
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ret
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; --------------------------------------
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; x_end
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; y_end
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; x_start
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; y_start
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; colour
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os_draw_graphical_rectangle:
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; Tell BIOS we're changing 'da pixels!
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mov ah, 0Ch
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mov al, 1100b
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mov cx, [x_start]
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mov dx, [y_start]
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jmp .x_loop
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.x_loop:
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int 10h
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cmp cx, [x_end]
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je .next_row
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inc cx
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call .x_loop
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.next_row:
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mov cx, [x_start]
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cmp dx, [y_end]
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je .finish
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inc dx ; Increase Row
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call .x_loop
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.finish:
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ret
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section .data
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x_start dw 0
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y_start dw 0
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x_end dw 0
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y_end dw 0
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colour db 1111b
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