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AX = 1000h BL = palette register number (00h-0Fh) = attribute register number (undocumented) (see #00017) BH = color or attribute register value
Return:
Nothing
Notes: On MCGA, only BX = 0712h is supported. Under UltraVision, the palette locking status (see AX=CD01h) determines the outcome
See Also: AX=1002h - AX=1007h - AX=CD01h
(Table 00017) Values for attribute register number: 10h attribute mode control register (should let BIOS control this) 11h overscan color register (see also AX=1001h) 12h color plane enable register (bits 3-0 enable corresponding text attribute bit) 13h horizontal PEL panning register 14h color select register
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