Vax 613 0S Instruction Manual download pdf (Page 85)

6.3 Frame Buffer Control Registers

Table 15 lists the addresses, size, and access mode of the frame buffer control

registers:

Table 15 Frame Buffer and Video Register Map

Start

Address Size Register Access

300 Models

1.C210.0000 32 bits Copy buffer register 0 R/W

1.C210.0004 32 bits Copy buffer register 1 R/W

1.C210.0008 32 bits Copy buffer register 2 R/W

1.C210.000C 32 bits Copy buffer register 3 R/W

1.C210.0010 32 bits Copy buffer register 4 R/W

1.C210.0014 32 bits Copy buffer register 5 R/W

1.C210.0018 32 bits Copy buffer Register 6 R/W

1.C210.001C 32 bits Copy buffer register 7 R/W

1.C210.0020 32 bits Foreground R/W

1.C210.0024 32 bits Background R/W

1.C210.0028 32 bits PlaneMask R/W

1.C210.002C 32 bits PixelMask register R/W

1.C210.0030 3 bits Mode register R/W

1.C210.0034 4 bits Raster op register R/W

1.C210.0038 4 bits PixelShift register R/W

1.C210.003C 32 bits Address register R/W

1.C210.0040 32 bits Bresenham register 1 R/W

1.C210.0044 32 bits Bresenham register 2 R/W

1.C210.0048 32 bits Bresenham register 3 R

1.C210.004C BCont W

1.C210.0050 4 bits Deep register R/W

1.C210.0054 Start register W

1.C210.0058 Clear interrupt W

1.C210.0060 10 bits Video refresh count R/W

1.C210.0064 28 bits Video horizontal setup R/W

1.C210.0068 28 bits Video vertical setup R/W

1.C210.006C 9 bits Video base address R/W

1.C210.0070 Video valid W

1.C210.0074 1 bit Enable/disable interrupts W

1.C210.0078 8 bits TCCLK count R/W

1.C210.007C 10 bits VIDCLK count R/W

(continued on next page)

CXTurbo Graphics Subsystem: 300/500 Models 6–5

1 2 ... 80 81 82 83 84 85 86 87 88 89 90 ... 343 344

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Vax 613 0S Instruction Manual Page 85