MB87P2020 Datasheet, PDF (328/356 Pages) Fujitsu Component Limited. – Colour LCD/CRT/TV Controller

MB87J2120, MB87P2020-A Hardware Manual
Table 3-1: Command List
Mnemonic Code
MemCP 0Ch
Device
MCP
Function
Copy rectangular region from Video RAM
to Video RAM (infinite command).
Registers
IFIFO
Source:
Video RAM area defined by start point
[Ls,Xs,Ys] and end point [Xe,Ye].
IFIFO control parameter:
n*([Ls,Xs,Ys], [Xe,Ye], [Lt,Xt,Yt]),
n = number of rectangular areas to copy
Target:
VideoRam area with start point [Lt,Xt,Yt]
of same size as source area.
PutPA
0Dh IPA
Note:
Layer information of source end point is
ignored in pixel address. There is no end
point of target area to specify.
Source and target layer should have same
colour depth. If mismatch detected, the
error flag FLNOM_EBPP is activated.
Store data in Video RAM physically with
address auto-increment (infinite com-
mand).
IFIFO
Source:
IFIFO with ([physical address], n*[physi-
cal data]).
GetPA
0Eh IPA
Target:
Video RAM on physical address and suc-
ceeding. Physical address means there is no
direct point relation.
Load data from Video RAM with address
auto-increment, stop after CMD_PAR
words.
CMD_PAR
IFIFO
Source:
IFIFO with [physical address]
Video RAM address starting at physical
address and succeeding words. Number of
words given by CMD_PAR.
OFIFO
Target:
Physical data in OFIFO.
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