PORTIBM PC Portable (uses same BIOS as XT) A3D0-BFD3 - Chips&Techs 64310 - 32-BIT EXTENSION REGS - CURSOR CONTROL Notes: All ports are word or dword accessible. These registers are also accessible in the upper 2 MB of the 4 MB linear memory frame buffer (address specified in PCI configuration registers). SeeAlso: PORTIBM PC Portable (uses same BIOS as XT) 03D6h"Chips",PORTIBM PC Portable (uses same BIOS as XT) 83D0h"Chips" A3D0d RW "DR08" cursor control register (see #P1042) A7D0d RW "DR09" cursor color register (see #P1043) ABD0d -- "DR0A" reserved AFD0d RW "DR0B" cursor position register (see #P1044) B3D0d RW "DR0C" cursor base address (see #P1045) B7D0d -- "DR0D" reserved BBD0d -- "DR0E" reserved BFD0d -- "DR0F" reserved Bitfields for Chips&Technologies 64310 "DR08" cursor control register: Bit(s) Description (Table P1042) 31-8 reserved (0) 7-6 test (must be 0) 5 upper left corner (ULC) select (all x, y positioning is relative to selected ULC) 0 = active display (BLANK#) (cursor can be positioned in overscan area) 1 = display enable (cursor cannot be positioned to overscan area) 4-2 reserved (must be 0) 1-0 hardware cursor enable 00 = disable 01 = 32x32 cursor enable 10 = 64x64 cursor enable 11 = illegal/reserved Bitfields for Chips&Technologies 64310 "DR09" cursor color register: Bit(s) Description (Table P1043) 31-27 cursor color 1 red 26-21 cursor color 1 green 20-16 cursor color 1 blue 15-11 cursor color 0 red 10-5 cursor color 0 green 4-0 cursor color 0 blue SeeAlso: #P1044,#P1045 Bitfields for Chips&Technologies 64310 "DR0B" cursor position register: Bit(s) Description (Table P1044) 31 Y sign 30-27 reserved (0) 26-16 cursor position Y offset from ULC (DR08 bit 5) 15 X sign 14-11 reserved (0) (ignored) 10-0 cursor position X offset from ULC (DR08 bit 5) SeeAlso: #P1043,#P1045 Bitfields for Chips&Technologies 64310 "DR0C" cursor base address: Bit(s) Description (Table P1045) 31-21 reserved (0) 20-10 base address for cursor data in display memory (cursor data must be at 1K boundary in off-screen memory) 9-0 reserved (0) SeeAlso: #P1043,#P1044