Text Mode Cursor: Difference between revisions
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| [unchecked revision] | [unchecked revision] |
Content deleted Content added
Added section Setting the Cursor Start and End Scanlines |
m →Source in assembly: Cleaned up code |
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push rdx |
push rdx |
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mov dx,0x3d4 ;one of VGA's Index registers controller |
mov dx,0x3d4 ; one of VGA's Index registers controller |
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mov al,0xa ; index 0xa is the LOW cursor shape register |
mov al,0xa ; index 0xa is the LOW cursor shape register |
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out dx,al |
out dx,al |
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inc dx ;one of VGA's data |
inc dx ; one of VGA's data registers, port 0x3d4, allows reads and writes to VGA's registers |
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mov al,0x3f ; bits 6-7 must be 0 |
mov al,0x3f ; bits 6-7 must be 0, if bit 5 set the cursor is disabled, bits 0-4 control the cursor shape |
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out dx,al |
out dx,al |
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pop rdx |
pop rdx |
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