PORTIBM PC Portable (uses same BIOS as XT) CEEE - ATI Mach8/Mach32 - DATAPATH CONFIGURATION SeeAlso: PORTIBM PC Portable (uses same BIOS as XT) 8EEEh CEEEw -W datapath configuration (see #P1050) Bitfields for ATI Mach8/Mach32 datapath configuration: Bit(s) Description (Table P1050) 15-13 foreground color source 000 background color reg 001 foreground color reg 010 pixel transfer reg 011 VRAM BitBlt source 101 color pattern shift register 12 least-significant byte first 9 data width is 16 bits instead of 8 bits 8-7 background color source 00 background color reg 01 foreground color reg 10 pixel transfer reg 11 VRAM BitBlt source 6-5 monochrome data source 00 always one 01 mono pattern register 10 pixel transfer register 11 VRAM BitBlt source 4 enable drawing 2 read color data instead of monochrome data 1 enable polygon fill BitBlt 0 write data to drawing trajectory instead of reading from trajectory