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x68000:crtc_registers

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Horizontal timing control
AddressSizeR/WNameDescription
$E800001.wWR00Horizontal total
$E800021.wWR01HSYNC end position
$E800041.wWR02HDISP start position
$E800061.wWR03HDISP end position
Vertical timing control
AddressSizeR/WNameDescription
$E800081.wWR04Vertical total
$E8000A1.wWR05VSYNC end position
$E8000C1.wWR06VDISP start position
$E8000E1.wWR07VDISP end position
Misc 1
AddressSizeR/WNameDescription
$E800101.wWR08External sync horiz adjustment : Horiz position fine adjust
$E800121.wWR09Raster number : For raster interrupt
Text layer scroll
AddressSizeR/WNameDescription
$E800141.wWR10X scroll
$E800161.wWR11Y scroll
Graphic layer scroll
AddressSizeR/WNameDescription
$E800181.wWR12X0
$E8001A1.wWR13Y0
$E8001C1.wWR14X1
$E8001E1.wWR15Y1
$E800201.wWR16X2
$E800221.wWR17Y2
$E800241.wWR18X3
$E800261.wWR19Y3
Misc 2
AddressSizeR/WNameDescription
$E800281.wR/WR20Memory mode/display mode control
$E8002A1.wR/WR21TVRAM simultaneous access/raster copy/fast clear plane selection
$E8002C1.wWR22For raster copy operation: raster number
$E8002E1.wWR23TVRAM access mask pattern
$E804811.bR/W Image capture/fast clear/raster copy control
x68000/crtc_registers.1502663385.txt.gz · Last modified: 2019/08/27 20:44 (external edit)