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Horizontal timing control
Address | Size | R/W | Name | Description |
$E80000 | 1.w | W | R00 | Horizontal total |
$E80002 | 1.w | W | R01 | HSYNC end position |
$E80004 | 1.w | W | R02 | HDISP start position |
$E80006 | 1.w | W | R03 | HDISP end position |
Vertical timing control
Address | Size | R/W | Name | Description |
$E80008 | 1.w | W | R04 | Vertical total |
$E8000A | 1.w | W | R05 | VSYNC end position |
$E8000C | 1.w | W | R06 | VDISP start position |
$E8000E | 1.w | W | R07 | VDISP end position |
Misc 1
Address | Size | R/W | Name | Description |
$E80010 | 1.w | W | R08 | External sync horiz adjustment : Horiz position fine adjust |
$E80012 | 1.w | W | R09 | Raster number : For raster interrupt |
Text layer scroll
Address | Size | R/W | Name | Description |
$E80014 | 1.w | W | R10 | X scroll |
$E80016 | 1.w | W | R11 | Y scroll |
Address | Size | R/W | Name | Description |
$E80018 | 1.w | W | R12 | X0 |
$E8001A | 1.w | W | R13 | Y0 |
$E8001C | 1.w | W | R14 | X1 |
$E8001E | 1.w | W | R15 | Y1 |
$E80020 | 1.w | W | R16 | X2 |
$E80022 | 1.w | W | R17 | Y2 |
$E80024 | 1.w | W | R18 | X3 |
$E80026 | 1.w | W | R19 | Y3 |
Misc 2
Address | Size | R/W | Name | Description |
$E80028 | 1.w | R/W | R20 | Memory mode/display mode control |
$E8002A | 1.w | R/W | R21 | TVRAM simultaneous access/raster copy/fast clear plane selection |
$E8002C | 1.w | W | R22 | For raster copy operation: raster number |
$E8002E | 1.w | W | R23 | TVRAM access mask pattern |
$E80481 | 1.b | R/W | | Image capture/fast clear/raster copy control |