ADVANCE INFORMATION
VCT 38xxA
Table 3–16: Command language, continued
Code
Function
Write Parameter
Read Parameter
Notes
ghost row status:
bit0 = row 24 in cycle
42
Reset Ghost Row Status
bit1 = row 25 in cycle
bit2 = row 26 in cycle
bit3 = row 27 in cycle
bit4 = row 28 in cycle
bit5 = row 29 in cycle
bit6 = row 30 in cycle
bit7 = row 31 in cycle
29
Read Page Cycle
ghost row status
2 Byte cycle count
2 Byte memory count
2 Byte ghost count
data service status
memory status
= number of pages in cycle
= number of pages in memory
= number of ghost blocks in memory
data service status:
bit0 = 8/30 format 1 updated
bit1 = 8/30 format 2 updated
bit2 = VPS updated
bit3 = WSS updated
bit4 = CAPTION 1st field updated
bit5 = CAPTION 2nd field updated
memory status:
bit0 = memory full
38
37
Page Priority
Read Priority
enable
border
(00)
(FF)
enable:
bit0 = enable priority manager
border:
min/max border for page priorities
highest priority
lowest priority
border priority
magazine number
page number
= max priority in page memory
= min priority in page memory
= min/max border for page priorities
= page with lowest priority
Page Related Commands
12
Page Request
magazine number
page number
page subcode high
page subcode low
priority
number of open requests
removed magazine
number
remove pages from memory beginning
at start page if page priority is disabled,
ignores start page if page priority is
enabled
removed page number
magazine number:
quantity
bit0−3 = magazine number
start magazine number
start page number
bit4
bit5
bit6
bit7
= not used
= hex request
= backward request
= forced request
= ignore cycle flag
20
22
Read Page Info
magazine number
page number
page pointer high
page pointer low
subpage count
ghost row count
ring buffer index
page subcode high
page subcode low
= pointer from page table
= number of subpages in chain
= number of ghost rows in chain
if page request with subcode F1xx
Change Page Info
magazine number
page number
page table flags
page table flags:
bit0 = protection
bit1 = update
bit2 = not used
bit3 = not used
bit4 = not used
bit5 = subpage
bit6 = memory
bit7 = cycle
Micronas
71
MICRONAS [ MICRONAS ]
