Registers
PCVisionplus
Hardware Reference
3–5
Rev 02; February 8, 2002
Frame Buffer Control Registers
The PCVisionplus requires 64K DWORDs or 1MB of address space to map the Frame Buffer Control Registers.
Access to this space is DWORD only.
Interrupt Status (INTSTAT)
Acquire Interrupt Line (ACQLINEINT)
Page #
0x1C
0x20
Segment Size (SGSZ)
0x24
0x28
0x2C
0x30–0x3FFFF
OCT Start Address (OCTSTART)
Reserved
Interrupt Control (INTENREG)
BADR3 +
3–74
3–75
3–77
3–79
Acquisition Start Address (ACQSTRT)
0x18
3–72
Reserved
0xC0010–0xFFFFF
3–71
3–81
3–73
0x14
Memory Initialization (MEMINIT)
0x0C
Reserved
0x04
0x08
Reserved
Reserved
0x00
Acquisition Control (ACQREG)
3–64
0x10
Bus Master Control (BMCTLX)
3–68
3–75
Manual Transfer Count (MXCNT)
0xC0008
0xC000C
Add-On General Control (AGCSTS)
Manual Destination Address (MDSTADR)
0xC0004
Add-On Interrupt Control (AINT)
3–83
3–84
3–82
0xC0000
3–83
0x40000–
0x7FFFF
0x80000–
0xBFFFF
Scatter Gather Table
Output Control Table
Acquire Address (ACQADR)
0x30
3–78
Figure 3–5. Frame Buffer Control Registers
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