1280_Control_Registers
1280 Ctl Registers (05-Nov-85) uCode rev 2.7
[00]FE00 - PR0 [10]FE20 - Virt X CAP [20]FE40 - RD MSK [30]FE60 - VIDNOI
[01]FE02 - PR1 [11]FE22 - Virt Y CAP [21]FE42 - OV CLR [31]FE62 - VIDMAJ
[02]FE04 - PR2 [12]FE24 - XORG Reg [22]FE44 - LU ADR [32]FE64 - VIDMIN
[03]FE06 - PR3 [13]FE26 - YORG Reg [23]FE46 - LU RED [33]FE66 - VIDBOTH
[04]FE08 - PR4 [14]FE28 - XWBOT Reg [24]FE48 - LU GRN
[05]FE0A - PR5 [15]FE2A - YWBOT Reg [25]FE4A - LU BLU [34]FE68 - STPNOI
[06]FE0C - PR6 [16]FE2C - XWTOP Reg [26]FE4C - WR MSK [35]FE6A - STPMAJ
[07]FE0E - PR7 [17]FE2E - YWTOP Reg [27]FE4E - CTL REG [36]FE6C - STPMIN
[08]FE10 - PR8 [18]FE30 - CHR [28]FE50 - STP REG [37]FE6E - STPBOTH
[09]FE12 - PR9 [19]FE32 - [29]FE52 - FLAGS
[0a]FE14 - PR10 [1a]FE34 - [2a]FE54 - FG CLR [38]FE70 - MWENOI
[0b]FE16 - PR11 [1b]FE36 - [2b]FE56 - BG CLR [39]FE72 - MWEMAJ
[0c]FE18 - PR12 [1c]FE38 - [2c]FE58 - [3a]FE74 - MWEMIN
[0d]FE1A - PR13 [1d]FE3A - [2d]FE5A - [3b]FE76 - MWEBOTH
[0e]FE1C - PR14 [1e]FE3C - Phys X CAP [2e]FE5C -
[0f]FE1E - PR15 [1f]FE3E - Phys Y CAP [2f]FE5E -
FE80 -- Reset FEC0 -- FEE0 -- Gen Fill Srch
FE82 -- Mult FEC2 -- FEE2 -- Gen Fill Fill
FE84 -- Div FEC4 -- Erase Window FEE4 -- Ers to BG Clr
FE86 -- BBCpy FEC6 -- Draw Vect Abs FEE6 -- Scroll lines
FE88 -- BBMov FEC8 -- Draw Vec Rel FEE8 --
FE8A -- FECA -- Filled Rect Abs FEEA --
FE8C -- FECC -- Filled Rect Rel FEEC --
FE8E -- FECE -- FEEE --
FE90 -- FED0 -- FEF0 --
FE92 -- FED2 -- FEF2 --
FE94 -- FED4 -- Wrt Mlt Pixels FEF4 --
FE96 -- Pseudo DMA FED6 -- FEF6 -- VIDNOI w clp
FE98 -- FED8 -- Int Fill Srch FEF8 -- VIDMAJ w clp
FE9A -- FEDA -- Int Fill Fill FEFA -- VIDMIN w clp
FE9C -- FEDC -- Ovr Fill Srch FEFC -- VIDBOT w clp
FE9E -- FEDE -- Ovr Fill Fill FEFE -- MSE Tst Entry
+-------------------------------------- 0 = Done
| +---------------------------------- 1 = S/R Wrt
| | +------------------------------ 1 = Wrt Overlay Plane
| | | +-------------------------- 1 = Enable Overlay Display
| | | | +---------------------- 1 = 960 lines vertical
| | | | | +------------------ 0 = X Major 1 = Y Major
| | | | | | +-------------- 0 = Major Up 1 = Major Down
| | | | | | | +---------- 0 = Minor Up 1 = Minor Down
| | | | | | | |
|___|___|___|___|___|___|___|___| <-- CTL REG (FE4E)
+-------------------------------------- 1 = Double wide chrs
| +---------------------------------- 1 = Double high chrs
| | +------------------------------
| | | +--------------------------
| | | | +----------------------
| | | | | +------------------ 1 = Enable clipping
| | | | | | +--------------
| | | | | | | +---------- 1 = Stipple Fill
| | | | | | | |
|___|___|___|___|___|___|___|___| <-- FLAGS REG (FE52)