Instruction manual
Address
Reg[15:0] Register
500 Models
0000 - 00FF Color map
0100 - 01FF Overlay color register0-15
0180 - 0184 Cursor color register 1 - 3
0200 ID register (always read as 4A)
0201 Command reg 0
0202 Command reg 1
0203 Command reg 2
0204 Pixel read mask register
0205 Reserved
0206 Pixel blink mask register
02007 Reserved
0208 Overlay read mask register
0209 Overlay blink mask register
020A Interleave register
020B Test register
020C Red signature register
020D Green signature register
020E Blue signature register
020F - 02FF Reserved
0300 Cursor command register
0301 Cursor (x) low register
0302 Cursor (x) high register
0303 Cursor (y) low register
0304 Cursor (y) high register
0305 Window (x) low register
0306 Window (x) high register
0307 Window (y) low register
0308 Window (y) high register
0309 Window width low register
030A Window width high register
030B Window height low register
030C Window height high register
030D - 03FF Reserved
0400 - 07FF Cursor RAM
6–22 CXTurbo Graphics Subsystem: 300/500 Models