Conexant Fusion 878A Manual page 65

Fusion 878A
PCI Video Decoder
Table 2-10. RISC Instructions (4 of 5)
Instruction Opcode
SKIP 0010
SKIP123 1010
100600B
DWORDs
1 Skip pixels by discarding byte-count number of bytes from the FIFO. This may
start and stop in the middle of a DWORD.
DWORD0:
[11:0] Byte Count
[13:12] Byte Offset
[15:14] Reserved
[23:16] Reset/Set RISC_STATUS
[24] IRQ
[25] Reserved
[26] EOL
[27] SOL
[31:28] Opcode
2 Skip pixels in planar mode by discarding byte count #1 of bytes from the FIFO1
and byte count #2 from FIFO2 and FIFO3. This may start and stop in the middle of
a DWORD.
DWORD0:
[11:0] Byte Count #1
[15:12] Reserved
[23:16] Reset/Set RISC_STATUS
[24] IRQ
[25] Reserved
[26] EOL
[27] SOL
[31:28] Opcode
DWORD1:
[11:0] Byte count #2
[27:16] Byte count #3
Conexant
2.0 Functional Description
2.12 DMA Controller
Description
2-41